#include <avcodec.h>
Data Fields | |
const AVClass * | av_class |
information on struct for av_log
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int | bit_rate |
the average bitrate
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int | bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference. | |
int | flags |
CODEC_FLAG_*. | |
int | sub_id |
Some codecs need additional format info. | |
int | me_method |
Motion estimation algorithm used for video coding. | |
uint8_t * | extradata |
some codecs need / can use extradata like Huffman tables. | |
int | extradata_size |
AVRational | time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. | |
int | width |
picture width / height. | |
int | height |
int | gop_size |
the number of pictures in a group of pictures, or 0 for intra_only
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enum PixelFormat | pix_fmt |
Pixel format, see PIX_FMT_xxx. | |
int | rate_emu |
Frame rate emulation. | |
void(* | draw_horiz_band )(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band. | |
int | sample_rate |
samples per second | |
int | channels |
number of audio channels | |
enum SampleFormat | sample_fmt |
audio sample format
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int | frame_size |
Samples per packet, initialized when calling 'init'. | |
int | frame_number |
audio or video frame number | |
int | real_pict_num |
Returns the real picture number of previous encoded frame. | |
int | delay |
Number of frames the decoded output will be delayed relative to the encoded input. | |
float | qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0) | |
float | qblur |
amount of qscale smoothing over time (0.0-1.0) | |
int | qmin |
minimum quantizer
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int | qmax |
maximum quantizer
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int | max_qdiff |
maximum quantizer difference between frames
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int | max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input. | |
float | b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). | |
int | rc_strategy |
obsolete FIXME remove | |
int | b_frame_strategy |
int | hurry_up |
hurry up amount
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struct AVCodec * | codec |
void * | priv_data |
int | rtp_payload_size |
void(* | rtp_callback )(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
int | mv_bits |
int | header_bits |
int | i_tex_bits |
int | p_tex_bits |
int | i_count |
int | p_count |
int | skip_count |
int | misc_bits |
int | frame_bits |
number of bits used for the previously encoded frame
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void * | opaque |
Private data of the user, can be used to carry app specific stuff. | |
char | codec_name [32] |
enum AVMediaType | codec_type |
enum CodecID | codec_id |
unsigned int | codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically. | |
int | luma_elim_threshold |
luma single coefficient elimination threshold
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int | chroma_elim_threshold |
chroma single coeff elimination threshold
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int | strict_std_compliance |
strictly follow the standard (MPEG4, . | |
float | b_quant_offset |
qscale offset between IP and B-frames
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int | error_recognition |
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors. | |
int(* | get_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it. | |
void(* | release_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer. | |
int | has_b_frames |
Size of the frame reordering buffer in the decoder. | |
int | block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs. | |
int | parse_only |
int | mpeg_quant |
0-> h263 quant 1-> mpeg quant
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char * | stats_out |
pass1 encoding statistics output buffer
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char * | stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here. | |
float | rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax. | |
float | rc_qmod_amp |
int | rc_qmod_freq |
RcOverride * | rc_override |
ratecontrol override, see RcOverride
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int | rc_override_count |
const char * | rc_eq |
rate control equation
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int | rc_max_rate |
maximum bitrate
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int | rc_min_rate |
minimum bitrate
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int | rc_buffer_size |
decoder bitstream buffer size
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float | rc_buffer_aggressivity |
float | i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). | |
float | i_quant_offset |
qscale offset between P and I-frames
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float | rc_initial_cplx |
initial complexity for pass1 ratecontrol
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int | dct_algo |
DCT algorithm, see FF_DCT_* below
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float | lumi_masking |
luminance masking (0-> disabled)
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float | temporal_cplx_masking |
temporary complexity masking (0-> disabled)
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float | spatial_cplx_masking |
spatial complexity masking (0-> disabled)
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float | p_masking |
p block masking (0-> disabled)
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float | dark_masking |
darkness masking (0-> disabled)
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int | idct_algo |
IDCT algorithm, see FF_IDCT_* below. | |
int | slice_count |
slice count
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int * | slice_offset |
slice offsets in the frame in bytes
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int | error_concealment |
error concealment flags
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unsigned | dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e. | |
int | bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv). | |
int | prediction_method |
prediction method (needed for huffyuv)
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AVRational | sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. | |
AVFrame * | coded_frame |
the picture in the bitstream
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int | debug |
debug
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int | debug_mv |
debug
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uint64_t | error [4] |
error
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int | mb_qmin |
minimum MB quantizer
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int | mb_qmax |
maximum MB quantizer
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int | me_cmp |
motion estimation comparison function
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int | me_sub_cmp |
subpixel motion estimation comparison function
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int | mb_cmp |
macroblock comparison function (not supported yet)
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int | ildct_cmp |
interlaced DCT comparison function
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int | dia_size |
ME diamond size & shape
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int | last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square)
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int | pre_me |
prepass for motion estimation
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int | me_pre_cmp |
motion estimation prepass comparison function
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int | pre_dia_size |
ME prepass diamond size & shape
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int | me_subpel_quality |
subpel ME quality
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enum PixelFormat(* | get_format )(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat | |
int | dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set. | |
int | me_range |
maximum motion estimation search range in subpel units If 0 then no limit. | |
int | intra_quant_bias |
intra quantizer bias
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int | inter_quant_bias |
inter quantizer bias
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int | color_table_id |
color table ID
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int | internal_buffer_count |
internal_buffer count Don't touch, used by libavcodec default_get_buffer(). | |
void * | internal_buffer |
internal_buffers Don't touch, used by libavcodec default_get_buffer(). | |
int | global_quality |
Global quality for codecs which cannot change it per frame. | |
int | coder_type |
coder type
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int | context_model |
context model
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int | slice_flags |
slice flags
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int | xvmc_acceleration |
XVideo Motion Acceleration
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int | mb_decision |
macroblock decision mode
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uint16_t * | intra_matrix |
custom intra quantization matrix
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uint16_t * | inter_matrix |
custom inter quantization matrix
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unsigned int | stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes. | |
int | lmin |
minimum Lagrange multipler
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int | lmax |
maximum Lagrange multipler
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struct AVPaletteControl * | palctrl |
palette control structure
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int | noise_reduction |
noise reduction strength
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int(* | reget_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it. | |
int | rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts. | |
int | inter_threshold |
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int | flags2 |
CODEC_FLAG2_*
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int | error_rate |
Simulates errors in the bitstream to test error concealment. | |
int | antialias_algo |
MP3 antialias algorithm, see FF_AA_* below. | |
int | quantizer_noise_shaping |
quantizer noise shaping
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int | thread_count |
thread count is used to decide how many independent tasks should be passed to execute()
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int(* | execute )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things. | |
void * | thread_opaque |
thread opaque Can be used by execute() to store some per AVCodecContext stuff. | |
int | me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used. | |
int | mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used. | |
int | intra_dc_precision |
precision of the intra DC coefficient - 8
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int | nsse_weight |
noise vs. | |
int | skip_top |
Number of macroblock rows at the top which are skipped. | |
int | skip_bottom |
Number of macroblock rows at the bottom which are skipped. | |
int | profile |
profile
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int | level |
level
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int | lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size
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int | coded_width |
Bitstream width / height, may be different from width/height if lowres or other things are used. | |
int | coded_height |
int | frame_skip_threshold |
frame skip threshold
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int | frame_skip_factor |
frame skip factor
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int | frame_skip_exp |
frame skip exponent
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int | frame_skip_cmp |
frame skip comparison function
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float | border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture. | |
int | mb_lmin |
minimum MB lagrange multipler
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int | mb_lmax |
maximum MB lagrange multipler
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int | me_penalty_compensation |
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enum AVDiscard | skip_loop_filter |
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enum AVDiscard | skip_idct |
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enum AVDiscard | skip_frame |
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int | bidir_refine |
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int | brd_scale |
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float | crf |
constant rate factor - quality-based VBR - values ~correspond to qps
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int | cqp |
constant quantization parameter rate control method
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int | keyint_min |
minimum GOP size
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int | refs |
number of reference frames
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int | chromaoffset |
chroma qp offset from luma
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int | bframebias |
Influences how often B-frames are used. | |
int | trellis |
trellis RD quantization
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float | complexityblur |
Reduce fluctuations in qp (before curve compression). | |
int | deblockalpha |
in-loop deblocking filter alphac0 parameter alpha is in the range -6. | |
int | deblockbeta |
in-loop deblocking filter beta parameter beta is in the range -6. | |
int | partitions |
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
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int | directpred |
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
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int | cutoff |
Audio cutoff bandwidth (0 means "automatic")
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int | scenechange_factor |
Multiplied by qscale for each frame and added to scene_change_score. | |
int | mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME. | |
int | b_sensitivity |
Adjusts sensitivity of b_frame_strategy 1. | |
int | compression_level |
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int | use_lpc |
Sets whether to use LPC mode - used by FLAC encoder. | |
int | lpc_coeff_precision |
LPC coefficient precision - used by FLAC encoder
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int | min_prediction_order |
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int | max_prediction_order |
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int | prediction_order_method |
search method for selecting prediction order
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int | min_partition_order |
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int | max_partition_order |
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int64_t | timecode_frame_start |
GOP timecode frame start number, in non drop frame format
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int | request_channels |
Decoder should decode to this many channels if it can (0 for default)
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float | drc_scale |
Percentage of dynamic range compression to be applied by the decoder. | |
int64_t | reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
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int | bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format. | |
int64_t | channel_layout |
Audio channel layout. | |
int64_t | request_channel_layout |
Request decoder to use this channel layout if it can (0 for default)
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float | rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, | |
float | rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, | |
struct AVHWAccel * | hwaccel |
Hardware accelerator in use
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int | ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate. | |
void * | hwaccel_context |
Hardware accelerator context. | |
enum AVColorPrimaries | color_primaries |
Chromaticity coordinates of the source primaries. | |
enum AVColorTransferCharacteristic | color_trc |
Color Transfer Characteristic. | |
enum AVColorSpace | colorspace |
YUV colorspace type. | |
enum AVColorRange | color_range |
MPEG vs JPEG YUV range. | |
enum AVChromaLocation | chroma_sample_location |
This defines the location of chroma samples. | |
int(* | execute2 )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things. | |
int | weighted_p_pred |
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
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int | aq_mode |
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
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float | aq_strength |
AQ strength Reduces blocking and blurring in flat and textured areas. | |
float | psy_rd |
PSY RD Strength of psychovisual optimization
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float | psy_trellis |
PSY trellis Strength of psychovisual optimization
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int | rc_lookahead |
RC lookahead Number of frames for frametype and ratecontrol lookahead
|
New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVCodecContext) must not be used outside libav*.
Definition at line 885 of file avcodec.h.
const AVClass * AVCodecContext::av_class |
information on struct for av_log
Definition at line 890 of file avcodec.h.
Referenced by avcodec_get_context_defaults2().
the average bitrate
Definition at line 896 of file avcodec.h.
Referenced by aac_encode_frame(), ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), add_video_stream(), adx_decode_header(), aea_read_header(), amf_parse_object(), amr_nb_encode_frame(), amr_nb_encode_init(), apc_read_header(), asf_read_header(), asf_write_header1(), atrac3_decode_init(), audio_encode_example(), av_estimate_timings_from_bit_rate(), av_new_stream(), av_transcode(), avi_write_header(), avisynth_read_header(), bfi_read_header(), cin_read_header(), compute_bandwidth(), compute_status(), cook_decode_init(), daud_header(), dc1394_read_common(), dca_decode_frame(), decode_frame(), decode_frame_adu(), decode_frame_mp3on4(), decode_ppc(), decode_wave_header(), dv_extract_audio_info(), dv_extract_video_info(), dv_init_demux(), dv_offset_reset(), dv_produce_packet(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_dnxhd_find_cid(), ff_get_wav_header(), ff_parse_specific_params(), ff_put_wav_header(), ff_wma_init(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_frame_size(), get_bit_rate(), get_sindex(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), libdirac_encode_init(), libgsm_init(), libschroedinger_encode_init(), matroska_read_header(), mlp_parse(), mmf_read_header(), modify_current_stream(), mov_build_index(), mov_write_esds_tag(), mov_write_uuidprof_tag(), MP3lame_encode_init(), MPA_encode_init(), mpeg_decode_postinit(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_read_header(), mpegvideo_extract_headers(), MPV_encode_init(), mtv_read_header(), mxf_write_d10_video_packet(), mxf_write_header(), mxf_write_mpegvideo_desc(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_ffconfig(), pcm_bluray_parse_header(), pcm_read_seek(), psy_3gpp_window(), qcp_read_header(), qdm2_decode_init(), read_desc_chunk(), read_header(), real_parse_asm_rule(), rl2_read_header(), rm_read_header(), rm_write_header(), roq_read_packet(), rv10_write_header(), sdp_write_media(), search_for_quantizers_twoloop(), seq_read_header(), sipr_decoder_init(), sox_read_header(), tmv_read_header(), twin_decode_frame(), twin_decode_init(), v4l2_read_header(), vid_read_header(), vid_read_packet(), video_encode_example(), vmd_read_header(), voc_get_packet(), vorbis_header(), vqf_read_header(), vqf_read_seek(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xa_read_header(), and xvid_encode_init().
number of bits the bitstream is allowed to diverge from the reference.
the reference can be CBR (for CBR pass1) or VBR (for pass2)
Definition at line 904 of file avcodec.h.
Referenced by add_codec(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), parse_ffconfig(), and X264_init().
CODEC_FLAG_*.
Definition at line 911 of file avcodec.h.
Referenced by aac_encode_frame(), add_audio_stream(), add_video_stream(), av_parser_change(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_string(), common_init(), comp_block(), dct_get(), decode_frame(), dnxhd_decode_macroblock(), dnxhd_encode_init(), do_video_stats(), dsputil_init_mmx(), dsputilenc_init_mmx(), dv_guess_dct_mode(), encode_block(), encode_frame(), encode_init(), encode_q_branch(), estimate_best_b_count(), Faac_encode_init(), ff_dnxhd_find_cid(), ff_dsputil_init_neon(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), flac_write_header(), float_init_altivec(), get_flags(), h261_decode_frame(), halfpel_interpol(), idct_put(), indeo3_decode_frame(), input_get_buffer(), iv_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), mjpeg_decode_scan(), mkv_write_header(), mkv_write_trailer(), mov_write_udta_tag(), MP3lame_encode_init(), mpeg_decode_frame(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), mxf_write_header(), mxf_write_identification(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_init_encoder(), opt_input_file(), parse_ffconfig(), print_report(), read_ffserver_streams(), remove_extradata(), render_slice(), sp5x_decode_frame(), stream_component_open(), svq1_decode_init(), svq1_encode_plane(), svq3_decode_init(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), unpack_dct_coeffs(), vc1_decode_init(), video_decode_example(), vorbis_encode_init(), X264_init(), and xvid_encode_init().
Some codecs need additional format info.
It is stored here. If any muxer uses this then ALL demuxers/parsers AND encoders for the specific codec MUST set it correctly otherwise stream copy breaks. In general use of this field by muxers is not recommanded.
Definition at line 921 of file avcodec.h.
Referenced by decode_frame(), decode_frame_adu(), dvbsub_init_decoder(), ff_mpa_decode_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpegvideo_extract_headers(), pmt_cb(), rv10_decode_init(), rv20_decode_picture_header(), and vcr2_init_sequence().
Motion estimation algorithm used for video coding.
1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
Definition at line 930 of file avcodec.h.
Referenced by add_codec(), encode_blocks(), encode_frame(), encode_init(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), svq1_encode_plane(), X264_init(), and xvid_encode_init().
uint8_t * AVCodecContext::extradata |
some codecs need / can use extradata like Huffman tables.
mjpeg: Huffman tables rv10: additional flags mpeg4: global headers (they can be in the bitstream or here) The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than extradata_size to avoid prolems if it is read with the bitstream reader. The bytewise contents of extradata must not depend on the architecture or CPU endianness.
Definition at line 943 of file avcodec.h.
Referenced by aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), adpcm_decode_init(), adpcm_encode_init(), adts_write_header(), aiff_read_header(), alac_encode_close(), alac_encode_init(), alac_set_info(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), asfrtp_parse_sdp_line(), atrac3_decode_init(), av_close_input_stream(), av_find_stream_info(), av_mpeg4_decode_header(), av_open_input_stream(), av_parser_change(), av_transcode(), avcodec_close(), avcodec_copy_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_init_mp3on4(), decode_stream_header(), dump_extradata(), encode_close(), encode_end(), encode_ext_header(), encode_init(), extract_mpeg4_header(), extradata2config(), extradata2psets(), Faac_encode_close(), Faac_encode_init(), faac_init_mp4(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_get_wav_header(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_esds(), ff_put_bmp_header(), ff_put_wav_header(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_write_packet(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_packet(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), MPV_encode_end(), mtv_read_header(), mxf_parse_structural_metadata(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_close(), oggvorbis_encode_init(), oma_read_header(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), read_kuki_chunk(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), smacker_read_header(), sonic_decode_init(), sonic_encode_init(), speex_header(), svq3_decode_init(), theora_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_close(), X264_init(), xvid_encode_close(), xvid_encode_init(), xvid_strip_vol_header(), yop_decode_init(), and yop_read_header().
Definition at line 944 of file avcodec.h.
Referenced by aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), adpcm_decode_init(), adpcm_encode_init(), adts_write_header(), aiff_read_header(), alac_decode_frame(), alac_encode_close(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), asf_write_header1(), asfrtp_parse_sdp_line(), atrac3_decode_init(), av_find_stream_info(), av_mpeg4_decode_header(), av_parser_change(), av_transcode(), avcodec_copy_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_init_mp3on4(), decode_stream_header(), dump_extradata(), encode_close(), encode_ext_header(), encode_init(), extract_mpeg4_header(), extradata2config(), extradata2psets(), Faac_encode_init(), faac_init_mp4(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_get_wav_header(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_esds(), ff_put_bmp_header(), ff_put_wav_header(), ff_rtp_send_aac(), ffm_read_header(), ffm_write_header(), flac_encode_close(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_write_packet(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_packet(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_init(), oma_read_header(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), read_kuki_chunk(), read_packet(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), sdp_write_media_attributes(), smacker_read_header(), sonic_decode_init(), sonic_encode_init(), speex_header(), svq3_decode_init(), theora_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_init(), xvid_encode_init(), xvid_strip_vol_header(), and yop_read_header().
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
For fixed-fps content, timebase should be 1/framerate and timestamp increments should be identically 1.
Definition at line 954 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_video_stream(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), avi_write_header(), avs_read_packet(), cmv_process_header(), compute_frame_duration(), compute_pkt_fields(), compute_pkt_fields2(), compute_status(), dc1394_read_common(), decode_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), decode_vop_header(), dirac_header(), do_audio_out(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dvvideo_decode_frame(), ea_read_header(), encode_ext_header(), encode_init(), estimate_best_b_count(), ff_dirac_schro_get_video_format_idx(), ff_flv_encode_picture_header(), ff_h261_encode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_init(), ff_parse_specific_params(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_rm_read_mdpr_codecdata(), ff_set_mpeg4_time(), ff_vbv_update(), ff_vdpau_mpeg4_decode_picture(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), flv_write_header(), gif_write_video(), grab_read_header(), h261_decode_picture_header(), h263_decode_picture_header(), h263_encode_picture_header(), init_pass2(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), libschroedinger_handle_first_access_unit(), matroska_read_header(), modify_qscale(), mov_write_header(), mov_write_uuidprof_tag(), mpeg4_encode_gop_header(), mpeg4_encode_picture_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), mpegts_write_header(), mpegvideo_extract_headers(), mpegvideo_parse(), MPV_encode_init(), MPV_encode_picture(), msmpeg4_encode_ext_header(), mxf_write_header(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_encode_frame(), ogm_dshow_header(), ogm_header(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), parse_source_parameters(), r3d_read_rdvo(), r3d_read_red1(), r3d_read_redv(), r3d_seek(), rm_write_header(), rtp_write_header(), set_frame_distances(), show_stream(), swf_read_packet(), swf_write_header(), tb_unreliable(), tgq_decode_init(), tgv_decode_init(), theora_decode_header(), theora_header(), tqi_decode_init(), txd_read_header(), v4l2_read_header(), vaapi_mpeg4_start_frame(), vfw_read_header(), video_encode_example(), video_read_header(), write_audio_frame(), write_trailer(), write_video_frame(), x11grab_read_header(), X264_init(), xvid_correct_framerate(), xvid_encode_init(), and yuv4_generate_header().
picture width / height.
Definition at line 964 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_header(), asf_write_header1(), aura_decode_frame(), aura_decode_init(), av_mpeg4_decode_header(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvbsub_parse_region_segment(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_frame(), escape124_decode_init(), estimate_best_b_count(), ff_ccitt_unpack(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_dv_codec_profile(), ff_pnm_decode_header(), ff_print_debug_info(), ff_put_bmp_header(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), halfpel_interpol(), has_codec_parameters(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), img_write_packet(), indeo3_decode_init(), init_bundles(), input_config_props(), input_get_buffer(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_intra(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mov_write_video_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_decode_line(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), print_report(), ptx_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), raw_read_header(), rawvideo_read_packet(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), truemotion1_decode_init(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp6_parse_header(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), xan_wc3_output_pixel_run(), xiph_parse_fmtp_pair(), xvid_encode_init(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_generate_header(), yuv4_read_header(), yuv4_read_packet(), yuv4_write_packet(), and zmbv_me().
Definition at line 964 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_header(), asf_write_header1(), aura_decode_frame(), av_mpeg4_decode_header(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_header(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_block(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_get_blocks(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_draw_horiz_band(), ff_dv_codec_profile(), ff_dxva2_common_end_frame(), ff_pnm_decode_header(), ff_print_debug_info(), ff_put_bmp_header(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_vaapi_common_end_frame(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg4_decode_picture(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), flip(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), gxf_find_lines_index(), gxf_write_header(), gxf_write_mpeg_auxiliary(), halfpel_interpol(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), img_write_packet(), indeo3_decode_init(), init_bundles(), input_config_props(), input_get_buffer(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mov_get_dv_codec_tag(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_8_16_24_32(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), prepare_avpic(), print_report(), ptx_decode_frame(), qtrle_decode_16bpp(), qtrle_decode_1bpp(), qtrle_decode_24bpp(), qtrle_decode_2n4bpp(), qtrle_decode_32bpp(), qtrle_decode_8bpp(), qtrle_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), raw_read_header(), rawvideo_read_packet(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp3_draw_horiz_band(), vp6_parse_header(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_frame(), xan_decode_init(), xan_wc3_decode_frame(), xiph_parse_fmtp_pair(), xvid_encode_init(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_generate_header(), yuv4_read_header(), yuv4_read_packet(), yuv4_write_packet(), and zmbv_me().
the number of pictures in a group of pictures, or 0 for intra_only
Definition at line 973 of file avcodec.h.
Referenced by add_av_stream(), add_video_stream(), encode_frame(), encode_init(), ffm_read_header(), ffm_write_header(), flashsv_encode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), new_video_stream(), parse_ffconfig(), qtrle_encode_frame(), roq_encode_frame(), svq1_encode_frame(), video_encode_example(), X264_init(), and xvid_encode_init().
Pixel format, see PIX_FMT_xxx.
Definition at line 980 of file avcodec.h.
Referenced by aasc_decode_init(), add_video_stream(), aura_decode_init(), av_find_stream_info(), av_transcode(), avcodec_align_dimensions(), avcodec_align_dimensions2(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), avcodec_string(), avs_decode_init(), bethsoftvid_decode_init(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), choose_pixel_fmt(), cinepak_decode_init(), cinvideo_decode_init(), cmv_decode_init(), cyuv_decode_init(), dc1394_read_common(), decode_frame(), decode_frame_byterun1(), decode_init(), decode_slice_header(), dnxhd_decode_frame(), dnxhd_encode_init(), do_video_out(), dv_extract_video_info(), dvvideo_decode_frame(), dvvideo_encode_frame(), dvvideo_init_encoder(), encode_frame(), encode_init(), encode_init_ls(), encode_picture_lossless(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_cavs_init(), ff_create_schro_frame(), ff_dv_codec_profile(), ff_h263_decode_init(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), flashsv_decode_init(), flic_decode_frame(), flic_decode_init(), gif_decode_frame(), gif_write_header(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), gxf_write_umf_media_mpeg(), h261_decode_init(), has_codec_parameters(), idcin_decode_init(), iff_read_header(), img_read_header(), indeo3_decode_init(), init_decoder(), ipvideo_decode_init(), ir2_decode_init(), jpeg_put_comments(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), load_input_picture(), mimic_decode_frame(), mm_decode_init(), mov_get_dv_codec_tag(), mov_get_rawvideo_codec_tag(), mp_decode_init(), mpeg_mc_decode_init(), MPV_common_init(), MPV_encode_init(), msrle_decode_init(), msvideo1_decode_8bit(), msvideo1_decode_init(), new_video_stream(), open_video(), opt_input_file(), pam_encode_frame(), parse_h264_sdp_line(), parse_source_parameters(), pcx_decode_frame(), pcx_encode_frame(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), ptx_decode_frame(), qtrle_decode_init(), qtrle_encode_frame(), qtrle_encode_init(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), raw_read_header(), rawvideo_read_packet(), read_header(), rl2_decode_init(), roq_decode_frame(), roq_decode_init(), rpza_decode_init(), rv10_decode_init(), seqvideo_decode_init(), SetSchroChromaFormat(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_init(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_frame(), svq3_decode_init(), targa_encode_frame(), tgq_decode_init(), tgv_decode_init(), theora_decode_header(), tiff_decode_tag(), tmv_read_header(), tqi_decode_init(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), video_encode_example(), vmdvideo_decode_init(), vp3_decode_init(), vp56_init(), vqa_decode_init(), write_header(), write_video_frame(), x11grab_read_header(), xan_decode_init(), xvid_encode_frame(), yop_decode_init(), yuv4_generate_header(), yuv4_read_header(), yuv4_read_packet(), yuv4_write_header(), and yuv4_write_packet().
void(* AVCodecContext::draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) | ( | struct AVCodecContext * | s, | |
const AVFrame * | src, | |||
int | offset[4], | |||
int | y, | |||
int | type, | |||
int | height | |||
) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
It improves cache usage. Not all codecs can do that. You must check the codec capabilities beforehand. The function is also used by hardware acceleration APIs. It is called at least once during frame decoding to pass the data needed for hardware render. In that mode instead of pixel data, AVFrame points to a structure specific to the acceleration API. The application reads the structure and can change some fields to indicate progress or mark state.
height | the height of the slice | |
y | the y position of the slice | |
type | 1->top field, 2->bottom field, 3->frame | |
offset | offset into the AVFrame.data from which the slice should be read |
Referenced by draw_slice(), ff_draw_horiz_band(), ff_init_block_index(), MPV_decode_mb_internal(), and vp3_draw_horiz_band().
samples per second
Definition at line 1014 of file avcodec.h.
Referenced by aac_decode_frame(), aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adpcm_encode_init(), adx_decode_header(), adx_encode_header(), aea_read_header(), aiff_read_header(), aiff_write_header(), alac_encode_init(), amr_decode_fix_avctx(), amr_nb_encode_init(), amr_read_header(), apc_read_header(), ape_read_header(), atrac3_decode_init(), au_read_header(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_read_packet(), audio_write_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), cin_read_header(), compute_frame_duration(), compute_status(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), decode_frame(), decode_frame_adu(), decode_frame_mp3on4(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), do_audio_out(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_flac_parse_streaminfo(), ff_get_wav_header(), ff_mov_read_esds(), ff_parse_specific_params(), ff_psy_preprocess_init(), ff_put_wav_header(), ff_rtp_get_codec_info(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_encode_init(), flac_header(), flv_read_packet(), flv_set_audio_codec(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), libgsm_init(), libspeex_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mmf_write_header(), mmf_write_trailer(), mov_read_stsd(), mov_read_trak(), mov_write_esds_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_wav_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), ogg_write_header(), oggvorbis_encode_frame(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_packet(), parse_adts_frame_header(), parse_ffconfig(), pcm_bluray_parse_header(), pcm_read_seek(), psy_3gpp_init(), put_au_header(), qcp_read_header(), qdm2_decode_init(), r3d_read_reda(), raw_read_header(), read_desc_chunk(), read_header(), read_major_sync(), read_specific_config(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_dpcm_encode_init(), roq_read_packet(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_rtpmap(), sdp_write_media_attributes(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), sol_read_header(), sonic_decode_init(), sonic_encode_init(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_header(), vqf_read_header(), w64_read_header(), wav_read_header(), wav_write_header(), wav_write_trailer(), wc3_read_header(), wmavoice_decode_init(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), and yop_read_header().
number of audio channels
Definition at line 1015 of file avcodec.h.
Referenced by aac_decode_frame(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adpcm_compress_trellis(), adpcm_decode_frame(), adpcm_decode_init(), adpcm_encode_init(), adx_decode_frame(), adx_decode_header(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), aea_read_header(), aiff_write_header(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amr_handle_packet(), amr_nb_decode_init(), amr_nb_encode_init(), amr_read_header(), amr_wb_decode_init(), apc_read_header(), ape_decode_frame(), ape_decode_init(), ape_read_header(), apply_window_and_mdct(), atrac1_decode_init(), atrac3_decode_init(), au_read_header(), au_read_packet(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_write_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_open(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), channel_setup(), cin_read_header(), compute_status(), construct_perm_table(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_decode_init(), dec_gain(), decode_frame(), decode_frame_adu(), decode_frame_mp3on4(), decode_init(), decode_init_mp3on4(), decode_ppc(), decode_stream_header(), decode_wave_header(), decoder_init(), do_audio_out(), dpcm_decode_init(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_audio_interleave_init(), ff_flac_parse_streaminfo(), ff_get_wav_header(), ff_mov_read_esds(), ff_psy_init(), ff_psy_preprocess(), ff_psy_preprocess_end(), ff_psy_preprocess_init(), ff_put_wav_header(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_encode_init(), flv_read_packet(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), imc_decode_init(), imdct_output(), init_bitstream_params(), init_mdct_win(), init_sample_buffers(), ipmovie_read_header(), iss_read_header(), iss_read_packet(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mace_decode_frame(), mace_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_read_stsd(), mov_write_audio_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_compress(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_configure(), output_packet(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), pcm_read_seek(), psy_3gpp_init(), psy_3gpp_window(), put_au_header(), put_audio_specific_config(), qcp_read_header(), qdm2_decode_init(), r3d_read_red1(), raw_read_header(), raw_read_packet(), read_and_decode_spectrum(), read_channel_data(), read_desc_chunk(), read_frame_data(), read_header(), read_packet(), read_restart_header(), read_specific_config(), revert_channel_correlation(), rl2_read_header(), rm_read_audio_stream_info(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_read_packet(), rtp_write_packet(), rv10_write_header(), sdp_parse_rtpmap(), sdp_write_media_attributes(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), smka_decode_init(), sol_read_header(), sonic_decode_init(), sonic_encode_init(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), update_sample_display(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vqf_read_header(), wavpack_decode_frame(), wavpack_decode_init(), wc3_read_header(), write_audio_frame(), write_compressed_frame(), write_frame_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), xa_read_packet(), and yop_read_header().
audio sample format
Definition at line 1022 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_init(), adpcm_decode_init(), adx_decode_init(), alac_decode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amrnb_decode_init(), ape_decode_init(), atrac1_decode_init(), atrac3_decode_init(), audio_decode_frame(), avcodec_get_context_defaults2(), avcodec_string(), choose_sample_fmt(), cinaudio_decode_init(), cook_decode_init(), dca_decode_init(), decode_frame(), decode_init(), do_audio_out(), dpcm_decode_init(), eightsvx_decode_init(), faac_decode_init(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_init(), g726_init(), has_codec_parameters(), imc_decode_init(), libgsm_init(), libspeex_decode_init(), mace_decode_init(), mkv_write_tracks(), mlp_parse(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_data(), output_packet(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), qcelp_decode_init(), qdm2_decode_init(), ra144_decode_init(), ra288_decode_init(), read_major_sync(), roq_dpcm_encode_init(), shorten_decode_init(), sipr_decoder_init(), smka_decode_init(), sonic_decode_init(), truespeech_decode_init(), tta_decode_init(), twin_decode_init(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wmavoice_decode_init(), and ws_snd_decode_init().
Samples per packet, initialized when calling 'init'.
Definition at line 1028 of file avcodec.h.
Referenced by aac_decode_frame(), aac_encode_init(), AC3_encode_init(), adpcm_encode_init(), adx_encode_frame(), adx_encode_init(), aiff_read_header(), alac_encode_frame(), alac_encode_init(), alac_entropy_coder(), alac_linear_predictor(), alac_stereo_decorrelation(), amr_decode_fix_avctx(), amr_nb_encode_init(), ape_read_header(), asf_read_header(), audio_encode_example(), av_find_stream_info(), av_transcode(), avcodec_decode_audio3(), calc_predictor_params(), create_audio_stream(), decode_init(), decoder_init(), do_audio_out(), encode_frame(), encode_init(), encode_superframe(), faac_decode_frame(), Faac_encode_frame(), Faac_encode_init(), ff_aac_ac3_parse(), ff_parse_specific_params(), ff_psy_preprocess(), ff_put_wav_header(), ffm_read_header(), ffm_write_header(), flac_encode_frame(), flac_encode_init(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), has_codec_parameters(), init_frame(), init_sample_buffers(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mlp_parse(), mov_read_stsd(), mov_read_trak(), mov_write_audio_tag(), mov_write_header(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_frame(), MPA_encode_init(), mpegaudio_parse(), mpegts_write_header(), oggvorbis_encode_init(), open_audio(), output_packet(), pcm_encode_init(), rdt_parse_sdp_line(), read_major_sync(), rm_write_header(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), rtp_write_header(), rv10_write_header(), sonic_encode_init(), speex_header(), speex_packet(), swf_write_audio(), swf_write_header(), vorbis_decode_init(), vorbis_encode_frame(), vorbis_encode_init(), and write_frame_header().
audio or video frame number
Definition at line 1029 of file avcodec.h.
Referenced by aac_encode_frame(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_open(), bfi_decode_frame(), cook_decode_frame(), decode_frame(), decode_packet(), eightsvx_decode_frame(), encode_frame(), flashsv_encode_frame(), h261_decode_frame(), http_prepare_data(), mpeg_decode_frame(), output_packet(), qtrle_encode_frame(), rv10_decode_frame(), svq1_encode_end(), svq1_encode_frame(), twin_decode_frame(), and warn_insufficient_frame_quality().
Number of frames the decoded output will be delayed relative to the encoded input.
Definition at line 1040 of file avcodec.h.
Referenced by MPV_encode_init().
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition at line 1043 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_qscale(), and X264_init().
float AVCodecContext::qblur |
amount of qscale smoothing over time (0.0-1.0)
Definition at line 1044 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), and X264_init().
minimum quantizer
Definition at line 1051 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), X264_init(), and xvid_encode_init().
maximum quantizer
Definition at line 1058 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_init_qmat(), dnxhd_init_rc(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), X264_init(), and xvid_encode_init().
maximum quantizer difference between frames
Definition at line 1065 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), parse_ffconfig(), and X264_init().
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input.
Definition at line 1073 of file avcodec.h.
Referenced by add_video_stream(), compute_pkt_fields2(), decode_sequence_header_adv(), estimate_best_b_count(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), vaapi_vc1_start_frame(), vc1_decode_init(), vc1_decode_sequence_header(), vc1_parse_frame_header(), video_encode_example(), X264_init(), and xvid_encode_init().
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1082 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), and xvid_encode_init().
obsolete FIXME remove
Definition at line 1085 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_rate_control_uninit(), and ff_rate_estimate_qscale().
Definition at line 1088 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), select_input_picture(), and X264_init().
hurry up amount
1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
Definition at line 1096 of file avcodec.h.
Referenced by decode_chunks(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), MPV_frame_start(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
struct AVCodec * AVCodecContext::codec [read] |
Definition at line 1098 of file avcodec.h.
Referenced by adpcm_compress_trellis(), adpcm_decode_frame(), adpcm_decode_init(), adpcm_encode_init(), av_find_stream_info(), avcodec_close(), avcodec_copy_context(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_flush_buffers(), avcodec_open(), close_connection(), common_init(), context_to_name(), decode_chunks(), decode_end(), decode_frame(), decode_init(), decode_nal_units(), decode_slice_header(), do_audio_out(), dpcm_decode_frame(), dpcm_decode_init(), eightsvx_decode_init(), encode_init(), execute_decode_slices(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), ff_vdpau_mpeg4_decode_picture(), ff_wma_init(), field_end(), g726_init(), h261_decode_init(), input_init(), libgsm_init(), mov_write_video_tag(), mpeg_decode_init(), mpeg_get_pixelformat(), MPV_encode_init(), MPV_frame_end(), open_parser(), output_packet(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), pcm_encode_init(), show_stream(), sonic_encode_init(), svq1_decode_init(), svq3_decode_init(), try_decode_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vp56_add_predictors_dc(), vp56_decode_4mv(), vp6_decode_init(), wav_write_header(), wma_decode_init(), write_frame(), xan_decode_frame(), and xan_decode_init().
void * AVCodecContext::priv_data |
Definition at line 1100 of file avcodec.h.
Referenced by aac_decode_close(), aac_decode_frame(), aac_decode_init(), aac_encode_end(), aac_encode_frame(), aac_encode_init(), aasc_decode_end(), aasc_decode_frame(), aasc_decode_init(), ac3_decode_end(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_frame(), AC3_encode_init(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_encode_frame(), alac_decode_close(), alac_decode_frame(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amr_nb_decode_close(), amr_nb_decode_frame(), amr_nb_decode_init(), amr_nb_encode_close(), amr_nb_encode_frame(), amr_nb_encode_init(), amr_wb_decode_close(), amr_wb_decode_frame(), amr_wb_decode_init(), amrnb_decode_frame(), amrnb_decode_init(), ape_decode_close(), ape_decode_frame(), ape_decode_init(), apply_window_and_mdct(), atrac1_decode_end(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_close(), atrac3_decode_frame(), atrac3_decode_init(), aura_decode_end(), aura_decode_frame(), aura_decode_init(), avcodec_close(), avcodec_copy_context(), avcodec_open(), avs_decode_frame(), bethsoftvid_decode_end(), bethsoftvid_decode_frame(), bethsoftvid_decode_init(), bfi_decode_close(), bfi_decode_frame(), bfi_decode_init(), bmp_decode_end(), bmp_decode_frame(), bmp_decode_init(), bmp_encode_frame(), bmp_encode_init(), cavs_decode_frame(), cavs_flush(), cdg_decode_end(), cdg_decode_frame(), cdg_decode_init(), channel_setup(), cinaudio_decode_frame(), cinaudio_decode_init(), cinepak_decode_end(), cinepak_decode_frame(), cinepak_decode_init(), cinvideo_decode_end(), cinvideo_decode_frame(), cinvideo_decode_init(), close_decoder(), cmv_decode_end(), cmv_decode_frame(), cmv_decode_init(), codec_reinit(), commit_bitstream_and_slice_buffer(), common_end(), common_init(), common_init_after_header(), cook_decode_close(), cook_decode_frame(), cook_decode_init(), cyuv_decode_end(), cyuv_decode_frame(), cyuv_decode_init(), dca_decode_end(), dca_decode_frame(), dca_decode_init(), decode_chunks(), decode_close(), decode_close_mp3on4(), decode_end(), decode_frame(), decode_frame_adu(), decode_frame_byterun1(), decode_frame_mp3on4(), decode_init(), decode_init_mp3on4(), decode_packet(), decode_slice(), decode_tag(), decoder_init(), determine_bitrate(), display_end_segment(), dnxhd_calc_bits_thread(), dnxhd_decode_close(), dnxhd_decode_frame(), dnxhd_decode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_encode_thread(), dnxhd_mb_var_thread(), dnxhd_write_header(), dpcm_decode_frame(), dpcm_decode_init(), dv_decode_video_segment(), dv_encode_video_segment(), dvbsub_close_decoder(), dvbsub_decode(), dvbsub_display_end_segment(), dvbsub_encode(), dvbsub_init_decoder(), dvbsub_parse_clut_segment(), dvbsub_parse_object_segment(), dvbsub_parse_page_segment(), dvbsub_parse_pixel_data_block(), dvbsub_parse_region_segment(), dvvideo_close(), dvvideo_decode_frame(), dvvideo_encode_frame(), dvvideo_init(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_init_ls(), encode_nals(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), end_frame(), escape124_decode_close(), escape124_decode_frame(), escape124_decode_init(), faac_decode_end(), faac_decode_frame(), faac_decode_init(), Faac_encode_close(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_cavs_end(), ff_cavs_init(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_h264_decode_end(), ff_h264_decode_init(), ff_mjpeg_decode_end(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_init(), ff_mpeg_flush(), ff_msmpeg4_decode_init(), ff_pnm_end(), ff_pnm_init(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_h264_picture_start(), ff_vdpau_h264_set_reference_frames(), ff_vdpau_vc1_decode_picture(), ff_wma_end(), ff_wma_init(), fill_slice(), fill_slice_long(), flac_decode_close(), flac_decode_frame(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_flush(), flashsv_decode_end(), flashsv_decode_frame(), flashsv_decode_init(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), flic_decode_end(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_decode_init(), flush(), flush_dpb(), g726_decode_frame(), g726_encode_frame(), g726_init(), get_stats(), gif_decode_close(), gif_decode_frame(), gif_decode_init(), gif_encode_close(), gif_encode_frame(), gif_encode_init(), gif_image_write_image(), h261_decode_end(), h261_decode_frame(), h261_decode_init(), idcin_decode_end(), idcin_decode_frame(), idcin_decode_init(), imc_decode_close(), imc_decode_frame(), imc_decode_init(), indeo3_decode_end(), indeo3_decode_frame(), indeo3_decode_init(), ipvideo_decode_end(), ipvideo_decode_frame(), ipvideo_decode_init(), ir2_decode_end(), ir2_decode_frame(), ir2_decode_init(), iv_decode_frame(), libdirac_decode_close(), libdirac_decode_frame(), libdirac_decode_init(), libdirac_encode_close(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), libopenjpeg_decode_init(), libschroedinger_decode_close(), libschroedinger_decode_frame(), libschroedinger_decode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), libschroedinger_flush(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libspeex_decode_close(), libspeex_decode_frame(), libspeex_decode_init(), mace_decode_frame(), mdec_common_init(), mimic_decode_end(), mimic_decode_frame(), mimic_decode_init(), mjpegb_decode_frame(), mlp_decode_init(), mm_decode_end(), mm_decode_frame(), mm_decode_init(), MP3lame_encode_close(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_end(), mp_decode_frame(), mp_decode_init(), MPA_encode_frame(), MPA_encode_init(), mpc7_decode_flush(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_end(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_init(), mpeg_decode_postinit(), mpeg_get_pixelformat(), MPV_encode_end(), MPV_encode_init(), MPV_encode_picture(), msrle_decode_end(), msrle_decode_frame(), msrle_decode_init(), msvideo1_decode_end(), msvideo1_decode_frame(), msvideo1_decode_init(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), pam_encode_frame(), parse_palette_segment(), parse_picture_segment(), parse_presentation_segment(), pcm_decode_frame(), pcm_decode_init(), pcx_decode_frame(), pcx_encode_frame(), pcx_encode_init(), pcx_end(), pcx_init(), png_dec_end(), png_dec_init(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), ptx_decode_frame(), ptx_end(), ptx_init(), put_audio_specific_config(), qcelp_decode_frame(), qcelp_decode_init(), qdm2_decode_close(), qdm2_decode_frame(), qdm2_decode_init(), qtrle_decode_end(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), ra144_decode_frame(), ra144_decode_init(), ra288_decode_frame(), raw_close_decoder(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_access_unit(), read_huffman_tree(), release_buffer(), rl2_decode_end(), rl2_decode_frame(), rl2_decode_init(), roq_decode_end(), roq_decode_frame(), roq_decode_init(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_encode_end(), roq_encode_frame(), roq_encode_init(), rpza_decode_end(), rpza_decode_frame(), rpza_decode_init(), rv10_decode_end(), rv10_decode_frame(), rv10_decode_init(), rv10_decode_packet(), rv30_decode_init(), rv40_decode_init(), seqvideo_decode_end(), seqvideo_decode_frame(), seqvideo_decode_init(), SetSchroChromaFormat(), sgi_end(), sgi_init(), shorten_decode_close(), shorten_decode_frame(), shorten_decode_init(), shorten_flush(), sipr_decode_frame(), sipr_decoder_init(), slice_end(), smc_decode_end(), smc_decode_frame(), smc_decode_init(), sonic_decode_close(), sonic_decode_frame(), sonic_decode_init(), sonic_encode_close(), sonic_encode_frame(), sonic_encode_init(), sp5x_decode_frame(), start_frame(), submit_stats(), sunrast_decode_frame(), sunrast_end(), sunrast_init(), svq1_decode_end(), svq1_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq3_decode_frame(), svq3_decode_init(), synth_frame(), synth_superframe(), targa_encode_init(), targa_end(), targa_init(), tgq_decode_end(), tgq_decode_frame(), tgq_decode_init(), tgv_decode_end(), tgv_decode_frame(), tgv_decode_init(), theora_decode_header(), theora_decode_init(), theora_decode_tables(), tiff_end(), tiff_init(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), tqi_decode_init(), truemotion1_decode_end(), truemotion1_decode_frame(), truemotion1_decode_init(), truespeech_decode_frame(), tta_decode_close(), tta_decode_frame(), tta_decode_init(), twin_decode_close(), twin_decode_frame(), twin_decode_init(), txd_decode_frame(), txd_end(), txd_init(), ulti_decode_end(), ulti_decode_frame(), ulti_decode_init(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_end_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_end_frame(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), vaapi_vc1_end_frame(), vaapi_vc1_start_frame(), vc1_decode_end(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vmdvideo_decode_init(), vorbis_decode_close(), vorbis_decode_frame(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp3_decode_end(), vp3_decode_frame(), vp3_decode_init(), vp56_decode_frame(), vp56_free(), vp56_init(), vp56_size_changed(), vp5_decode_init(), vp6_decode_free(), vp6_decode_init(), vqa_decode_end(), vqa_decode_frame(), vqa_decode_init(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wma_decode_superframe(), wmavoice_decode_init(), wmavoice_decode_packet(), wmavoice_flush(), wmv2_decode_end(), wmv2_decode_init(), wmv2_encode_init(), X264_close(), X264_frame(), X264_init(), xan_decode_end(), xan_decode_frame(), xan_decode_init(), xvid_encode_close(), xvid_encode_frame(), xvid_encode_init(), yop_decode_close(), yop_decode_frame(), yop_decode_init(), and zlib_decomp().
void(* AVCodecContext::rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb) | ( | struct AVCodecContext * | avctx, | |
void * | data, | |||
int | size, | |||
int | mb_nb | |||
) |
Referenced by encode_thread().
number of bits used for the previously encoded frame
Definition at line 1133 of file avcodec.h.
Referenced by aac_encode_frame(), encode_frame(), and MPV_encode_picture().
void * AVCodecContext::opaque |
Private data of the user, can be used to carry app specific stuff.
Definition at line 1140 of file avcodec.h.
Referenced by input_get_buffer(), and input_init().
Definition at line 1142 of file avcodec.h.
Referenced by asf_write_header1(), avcodec_string(), mov_read_stsd(), rm_read_audio_stream_info(), and skeleton_header().
Definition at line 1143 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_codec(), add_dstream(), add_video_stream(), adts_aac_read_header(), aea_read_header(), amr_read_header(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), asf_write_packet(), au_read_header(), audio_read_header(), av_find_default_stream_index(), av_find_stream_info(), av_interleaved_write_frame(), av_read_packet(), av_transcode(), av_write_header(), avcodec_get_context_defaults2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), build_feed_streams(), build_frame_code(), cdata_read_header(), check_audio_video_sub_inputs(), cin_read_header(), compute_bandwidth(), compute_frame_duration(), compute_pkt_fields2(), compute_status(), create_audio_stream(), create_stream(), daud_header(), dc1394_read_common(), decode_stream_header(), decode_thread(), dirac_header(), do_video_stats(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), ff_asf_parse_packet(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_get_wav_header(), ff_parse_specific_params(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_header(), flac_read_header(), flic_read_header(), flv_read_metabody(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_bit_rate(), get_sindex(), gif_write_header(), gif_write_packet(), grab_read_header(), gxf_compare_field_nb(), gxf_interleave_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), has_codec_parameters(), http_prepare_data(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_read_header(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), lmlm4_read_header(), make_setup_request(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mmf_read_header(), mov_build_index(), mov_get_codec_tag(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_trun(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_hdlr_tag(), mov_write_header(), mov_write_minf_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mov_write_stts_tag(), mov_write_tkhd_tag(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_common_fields(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogg_read_seek(), ogg_write_header(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_input_stream(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), print_report(), pva_read_header(), qcp_read_header(), r3d_read_red1(), raw_read_header(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_packet(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_line(), sdp_parse_rtpmap(), sdp_write_media(), seq_read_header(), set_codec_from_probe_data(), show_stream(), siff_parse_vbv1(), skeleton_header(), smacker_read_header(), sol_read_header(), sox_read_header(), speex_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), theora_header(), thp_read_header(), tmv_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vc1t_read_header(), vfw_read_header(), vid_read_header(), video_read_header(), vmd_read_header(), voc_read_header(), voc_write_header(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), yop_read_header(), and yuv4_read_header().
Definition at line 1144 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_video_stream(), adts_aac_read_header(), aea_read_header(), aiff_write_header(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amr_read_packet(), amr_write_header(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), au_read_packet(), audio_read_header(), audio_write_header(), av_find_stream_info(), av_read_frame_internal(), av_read_packet(), av_transcode(), av_write_header(), avcodec_align_dimensions2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_header(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cdata_read_header(), choose_pixel_fmt(), cin_read_header(), commit_bitstream_and_slice_buffer(), compute_pkt_fields(), compute_status(), create_audio_stream(), cyuv_decode_frame(), daud_header(), dc1394_read_common(), decode_end(), decode_frame(), decode_init(), decode_mb(), decode_slice(), decode_stream_header(), dirac_header(), do_subtitle_out(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_mb(), estimate_best_b_count(), extract_mpeg4_header(), ff_aac_ac3_parse(), ff_asf_parse_packet(), ff_audio_interleave_init(), ff_get_wav_header(), ff_h264_decode_init(), ff_init_me(), ff_mjpeg_decode_frame(), ff_mjpeg_encode_picture_header(), ff_mov_read_esds(), ff_mpa_decode_header(), ff_pnm_decode_header(), ff_psy_init(), ff_put_wav_header(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rm_retrieve_cache(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_header(), flac_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), grab_read_header(), gxf_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_read_header(), img_read_packet(), img_write_packet(), imx_dump_header(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), lmlm4_read_header(), mace_decode_frame(), matroska_parse_block(), matroska_read_header(), mjpega_dump_header(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mmf_read_header(), mov_find_codec_tag(), mov_get_codec_tag(), mov_read_enda(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_wave(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_header(), mov_write_packet(), mov_write_uuidprof_tag(), mov_write_video_tag(), mov_write_wave_tag(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpeg_get_pixelformat(), mpeg_mux_init(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_push_data(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), mpegvideo_extract_headers(), MPV_encode_init(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nut_read_header(), nuv_header(), ogg_write_header(), ogg_write_packet(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_audio(), open_input_file(), open_parser(), open_video(), output_packet(), parse(), parse_ffconfig(), pcm_decode_frame(), pcm_read_seek(), pmt_cb(), put_xiph_codecpriv(), pva_read_header(), qcp_read_header(), r3d_read_red1(), raw_read_header(), raw_read_packet(), rdt_parse_packet(), rdt_parse_sdp_line(), read_access_unit(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_kuki_chunk(), read_major_sync(), read_matrix_params(), read_restart_header(), remove_extradata(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), roq_read_header(), roq_read_packet(), rpl_read_header(), rtp_parse_open(), rtp_parse_packet(), rtp_write_header(), rtp_write_packet(), rv10_decode_init(), rv10_write_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), sdp_parse_rtpmap(), sdp_write_media_attributes(), seq_read_header(), set_codec_from_probe_data(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), sox_read_header(), sox_write_header(), sox_write_trailer(), sp5x_decode_frame(), spdif_write_header(), speex_header(), str_read_packet(), stream_component_open(), swf_read_packet(), swf_write_header(), swf_write_video(), tb_unreliable(), theora_header(), thp_read_header(), tmv_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vaapi_vc1_decode_slice(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), video_read_header(), vmd_read_header(), voc_get_packet(), vorbis_header(), vqf_read_header(), wav_read_seek(), wc3_read_header(), write_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), xvid_encode_init(), yop_read_header(), and yuv4_read_header().
unsigned int AVCodecContext::codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs. A demuxer should set this to what is stored in the field used to identify the codec. If there are multiple such fields in a container then the demuxer should choose the one which maximizes the information about the used codec. If the codec tag field in a container is larger then 32 bits then the demuxer should remap the longer ID to 32 bits with a table or other structure. Alternatively a new extra_codec_tag + size could be added but for this a clear advantage must be demonstrated first.
Definition at line 1159 of file avcodec.h.
Referenced by aiff_write_header(), amr_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), cdata_read_header(), cin_read_header(), daud_header(), decode_frame(), decode_frame_byterun1(), decode_init(), decode_stream_header(), dpcm_decode_frame(), dpcm_decode_init(), ea_read_header(), ff_get_wav_header(), ff_mjpeg_decode_sos(), ff_put_bmp_header(), ff_put_wav_header(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), film_read_header(), flic_read_header(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipod_get_codec_tag(), matroska_read_header(), mkv_write_codecprivate(), mov_find_codec_tag(), mov_get_codec_tag(), mov_get_rawvideo_codec_tag(), mov_read_stsd(), mp4_get_codec_tag(), mpeg_decode_frame(), mpegts_set_stream_info(), MPV_common_init(), msnwc_tcp_read_header(), mtv_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), ogm_header(), oma_read_header(), parse_ffconfig(), pmt_cb(), put_au_header(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), str_read_packet(), thp_read_header(), vmd_read_header(), voc_write_packet(), vp3_decode_init(), wav_write_header(), wav_write_trailer(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), xsub_encoder_init(), and xvid_encode_init().
Work around bugs in encoders which sometimes cannot be detected automatically.
Definition at line 1166 of file avcodec.h.
Referenced by ff_h263_decode_init(), ff_h264_decode_init(), ff_mpeg4_set_direct_mv(), and stream_component_open().
luma single coefficient elimination threshold
Definition at line 1190 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
chroma single coeff elimination threshold
Definition at line 1197 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
strictly follow the standard (MPEG4, .
..).
Definition at line 1211 of file avcodec.h.
Referenced by choose_pixel_fmt(), decode_frame(), encode_init(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), libgsm_init(), mov_get_codec_tag(), mp3_header_compress(), MPV_encode_init(), and parse_ffconfig().
qscale offset between IP and B-frames
Definition at line 1223 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and xvid_encode_init().
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors.
Definition at line 1231 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), decode_init(), execute_decode_slices(), h261_decode_gob_header(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_slice(), MPV_frame_start(), and stream_component_open().
int(* AVCodecContext::get_buffer)(struct AVCodecContext *c, AVFrame *pic) | ( | struct AVCodecContext * | c, | |
AVFrame * | pic | |||
) |
Called at the beginning of each frame to get a buffer for it.
If pic.reference is set then the frame will be read later by libavcodec. avcodec_align_dimensions2() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16. if CODEC_CAP_DR1 is not set then get_buffer() must call avcodec_default_get_buffer() instead of providing buffers allocated by some other means.
Referenced by alloc_frame_buffer(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bfi_decode_frame(), bmp_decode_frame(), cdg_decode_frame(), cmv_decode_frame(), common_init(), cyuv_decode_frame(), decode_frame(), decode_init(), decode_pic(), dnxhd_decode_frame(), dvvideo_decode_frame(), encode_init(), escape124_decode_frame(), ff_mjpeg_decode_sof(), frame_start(), gif_decode_frame(), idcin_decode_frame(), indeo3_decode_frame(), input_init(), ipvideo_decode_frame(), libopenjpeg_decode_frame(), mimic_decode_frame(), mm_decode_init(), pcx_decode_frame(), pnm_decode_frame(), ptx_decode_frame(), rl2_decode_frame(), roq_encode_frame(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_encode_frame(), tgq_decode_frame(), tiff_decode_tag(), tmv_decode_frame(), tqi_decode_frame(), txd_decode_frame(), ulti_decode_frame(), vmdvideo_decode_frame(), vp56_decode_frame(), vqa_decode_frame(), xan_decode_frame(), and yop_decode_frame().
void(* AVCodecContext::release_buffer)(struct AVCodecContext *c, AVFrame *pic) | ( | struct AVCodecContext * | c, | |
AVFrame * | pic | |||
) |
Called to release buffers which were allocated with get_buffer.
A released buffer can be reused in get_buffer(). pic.data[*] must be set to NULL.
Referenced by aasc_decode_end(), aura_decode_end(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bethsoftvid_decode_end(), bfi_decode_close(), bfi_decode_frame(), bmp_decode_end(), bmp_decode_frame(), cavs_decode_frame(), cdg_decode_end(), cdg_decode_frame(), cinepak_decode_end(), cinvideo_decode_end(), cmv_decode_end(), cmv_decode_frame(), common_end(), cyuv_decode_end(), cyuv_decode_frame(), decode_close(), decode_end(), decode_frame(), decode_pic(), dnxhd_decode_close(), dnxhd_decode_frame(), dvvideo_close(), dvvideo_decode_frame(), encode_end(), escape124_decode_close(), escape124_decode_frame(), ff_mjpeg_decode_end(), ff_mjpeg_decode_sof(), ff_pnm_end(), flashsv_decode_end(), flashsv_decode_frame(), flic_decode_end(), free_frame_buffer(), gif_decode_close(), gif_decode_frame(), idcin_decode_end(), idcin_decode_frame(), indeo3_decode_frame(), input_init(), ipvideo_decode_end(), ipvideo_decode_frame(), ir2_decode_end(), ir2_decode_frame(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), mimic_decode_end(), mimic_decode_frame(), mm_decode_end(), mp_decode_end(), msrle_decode_end(), msvideo1_decode_end(), pcx_decode_frame(), pcx_end(), png_dec_end(), pnm_decode_frame(), ptx_decode_frame(), ptx_end(), qtrle_decode_end(), release_buffer(), rl2_decode_end(), rl2_decode_frame(), roq_decode_end(), roq_encode_end(), rpza_decode_end(), select_input_picture(), seqvideo_decode_end(), sgi_end(), smc_decode_end(), sunrast_decode_frame(), sunrast_end(), targa_end(), tgq_decode_end(), tgq_decode_frame(), tiff_decode_tag(), tiff_end(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), truemotion1_decode_end(), txd_decode_frame(), txd_end(), ulti_decode_end(), ulti_decode_frame(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vp3_decode_end(), vp56_decode_frame(), vp56_free(), vqa_decode_end(), vqa_decode_frame(), xan_decode_end(), xan_decode_frame(), yop_decode_close(), and yop_decode_frame().
Size of the frame reordering buffer in the decoder.
For MPEG-2 it is 1 IPB or 0 low delay IP.
Definition at line 1265 of file avcodec.h.
Referenced by av_transcode(), compute_pkt_fields(), compute_pkt_fields2(), decode_frame(), decode_nal_units(), decode_stream_header(), dirac_combine_frame(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mpeg4_decode_picture_header(), ff_rv34_decode_init(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), mov_build_index(), mpeg_decode_postinit(), mpegvideo_extract_headers(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), nut_read_header(), rv10_decode_init(), rv20_decode_picture_header(), show_stream(), svq1_decode_init(), svq3_decode_init(), update_initial_durations(), vc1_decode_init(), vcr2_init_sequence(), write_streamheader(), and X264_init().
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition at line 1271 of file avcodec.h.
Referenced by adpcm_decode_frame(), adpcm_encode_init(), aea_read_header(), aea_read_packet(), aiff_read_header(), aiff_read_packet(), aiff_write_header(), aiff_write_trailer(), apc_read_header(), asf_write_header1(), atrac1_decode_frame(), atrac3_decode_frame(), atrac3_decode_init(), av_transcode(), av_write_header(), avi_read_header(), avi_write_packet(), avisynth_read_header(), cin_read_header(), cook_decode_frame(), cook_decode_init(), daud_header(), decode_init(), decode_packet(), decode_wave_header(), dxa_read_header(), ea_read_header(), encode_init(), ff_get_wav_header(), ff_parse_specific_params(), ff_put_wav_header(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_wma_init(), film_read_header(), fourxm_read_header(), get_aiff_header(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), matroska_parse_block(), matroska_read_header(), mov_read_stsd(), mxf_write_d10_audio_packet(), mxf_write_wav_common(), oma_read_header(), oma_read_packet(), pcm_encode_init(), pcm_read_seek(), ra288_decode_frame(), raw_read_header(), raw_read_packet(), read_desc_chunk(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_packet(), seq_read_header(), sox_read_header(), sox_read_packet(), str_read_packet(), tta_decode_init(), vmd_read_header(), vmdaudio_decode_init(), wav_read_packet(), wc3_read_header(), wmavoice_decode_init(), wmavoice_decode_packet(), wsaud_read_header(), wsvqa_read_header(), and xa_read_header().
Definition at line 1273 of file avcodec.h.
Referenced by decode_frame_adu(), decode_init(), and open_parser().
0-> h263 quant 1-> mpeg quant
Definition at line 1282 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and xvid_encode_init().
char * AVCodecContext::stats_out |
pass1 encoding statistics output buffer
Definition at line 1289 of file avcodec.h.
Referenced by do_video_out(), encode_close(), encode_end(), encode_frame(), encode_init(), ff_write_pass1_stats(), get_stats(), MPV_common_end(), MPV_common_init(), output_packet(), and xvid_encode_frame().
char * AVCodecContext::stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here.
Definition at line 1297 of file avcodec.h.
Referenced by av_transcode(), encode_init(), ff_rate_control_init(), submit_stats(), and xvid_encode_init().
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
Definition at line 1305 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol override, see RcOverride
Definition at line 1315 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
Definition at line 1316 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
const char * AVCodecContext::rc_eq |
rate control equation
Definition at line 1323 of file avcodec.h.
Referenced by add_codec(), avcodec_copy_context(), ff_rate_control_init(), ffm_close(), ffm_read_header(), ffm_write_header(), and get_qscale().
maximum bitrate
Definition at line 1330 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), mpeg1_encode_sequence_header(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), parse_ffconfig(), and X264_init().
minimum bitrate
Definition at line 1337 of file avcodec.h.
Referenced by ff_vbv_update(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), MPV_encode_init(), MPV_encode_picture(), and parse_ffconfig().
decoder bitstream buffer size
Definition at line 1344 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), init_pass2(), load_input_picture(), modify_qscale(), mov_write_esds_tag(), mpeg1_decode_sequence(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), new_video_stream(), parse_ffconfig(), select_input_picture(), and X264_init().
Definition at line 1345 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and modify_qscale().
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1354 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and X264_init().
qscale offset between P and I-frames
Definition at line 1361 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
initial complexity for pass1 ratecontrol
Definition at line 1368 of file avcodec.h.
Referenced by ff_rate_control_init().
DCT algorithm, see FF_DCT_* below
Definition at line 1375 of file avcodec.h.
Referenced by dsputil_init(), dsputil_init_bfin(), dsputil_init_ppc(), dsputilenc_init_mmx(), ffm_read_header(), ffm_write_header(), MPV_common_init_altivec(), MPV_common_init_mlib(), MPV_common_init_mmx(), and parse_ffconfig().
luminance masking (0-> disabled)
Definition at line 1389 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), parse_ffconfig(), and xvid_encode_init().
temporary complexity masking (0-> disabled)
Definition at line 1396 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
spatial complexity masking (0-> disabled)
Definition at line 1403 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
p block masking (0-> disabled)
Definition at line 1410 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
darkness masking (0-> disabled)
Definition at line 1417 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), and parse_ffconfig().
IDCT algorithm, see FF_IDCT_* below.
Definition at line 1424 of file avcodec.h.
Referenced by calc_intra_matrix(), decode_init(), decode_pic(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_bfin(), dsputil_init_mmi(), dsputil_init_mmx(), dsputil_init_ppc(), dsputil_init_sh4(), dsputil_init_vis(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_h263_decode_frame(), MPV_common_init_altivec(), MPV_common_init_mlib(), parse_ffconfig(), render_slice(), stream_component_open(), tgq_calculate_qtable(), tgq_decode_init(), tqi_calculate_qtable(), tqi_decode_init(), vc1_decode_init(), vcr2_init_sequence(), vp3_decode_init(), vp56_init(), and wmv2_decode_init().
slice count
Definition at line 1456 of file avcodec.h.
Referenced by ff_rv34_decode_frame(), get_slice_offset(), and rv10_decode_frame().
slice offsets in the frame in bytes
Definition at line 1462 of file avcodec.h.
Referenced by avcodec_copy_context(), and get_slice_offset().
error concealment flags
Definition at line 1469 of file avcodec.h.
Referenced by ff_er_frame_end(), guess_mv(), and stream_component_open().
unsigned AVCodecContext::dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e.
MMX, SSE. ...)
With the FORCE flag you may instead enable given CPU features. (Dangerous: Usable in case of misdetection, improper usage however will result into program crash.)
Definition at line 1481 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_dsputil_init_iwmmxt(), and main().
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition at line 1505 of file avcodec.h.
Referenced by aiff_write_header(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), av_find_stream_info(), avi_read_header(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cin_read_header(), cinepak_decode_init(), create_audio_stream(), daud_header(), decode_frame_byterun1(), decode_init(), decode_wave_header(), ea_read_header(), encode_init(), faac_decode_init(), ff_cmap_read_palette(), ff_get_wav_header(), ff_put_bmp_header(), ff_put_wav_header(), film_read_header(), flv_read_packet(), flv_set_audio_codec(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipvideo_decode_init(), iss_read_header(), mmf_read_header(), mov_get_rawvideo_codec_tag(), mov_read_stsd(), mov_write_video_tag(), mpc8_read_header(), mpc_read_header(), mpegps_read_packet(), msrle_decode_frame(), msrle_decode_init(), mtv_read_header(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), nsv_parse_NSVs_header(), nuv_header(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), raw_read_header(), read_desc_chunk(), read_header(), rl2_read_header(), roq_read_packet(), rpl_read_header(), seq_read_header(), smacker_read_header(), smka_decode_init(), sox_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vqf_read_header(), wavpack_decode_init(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), and xa_read_header().
prediction method (needed for huffyuv)
Definition at line 1512 of file avcodec.h.
Referenced by encode_init(), encode_picture_lossless(), encode_picture_ls(), ff_mjpeg_encode_picture_header(), and png_enc_init().
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
Definition at line 1524 of file avcodec.h.
Referenced by av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), dump_stream_format(), dv_write_pack(), encode_init(), h263_decode_picture_header(), h263_encode_picture_header(), jpeg_put_comments(), mjpeg_decode_app(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), MPV_encode_init(), new_video_stream(), opt_input_file(), parse_source_parameters(), show_stream(), theora_decode_header(), X264_init(), and xvid_encode_frame().
the picture in the bitstream
Definition at line 1531 of file avcodec.h.
Referenced by AC3_encode_close(), AC3_encode_init(), adpcm_encode_close(), adpcm_encode_init(), adx_encode_close(), adx_encode_init(), alac_encode_close(), alac_encode_init(), amr_nb_encode_close(), amr_nb_encode_init(), bmp_decode_init(), bmp_encode_init(), common_init(), decode_close(), decode_frame(), decode_init(), dnxhd_decode_init(), dnxhd_encode_init(), do_audio_out(), do_video_out(), do_video_stats(), dvvideo_init(), encode_close(), encode_frame(), encode_init(), encode_init_ls(), Faac_encode_close(), Faac_encode_init(), ff_pnm_init(), flac_encode_close(), flac_encode_init(), flashsv_encode_frame(), g726_close(), g726_init(), gif_decode_init(), gif_encode_init(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_init(), libopenjpeg_decode_init(), libschroedinger_encode_frame(), libschroedinger_encode_init(), mdec_common_init(), MP3lame_encode_close(), MP3lame_encode_init(), MPA_encode_close(), MPA_encode_init(), MPV_common_init(), MPV_frame_end(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), output_packet(), pcm_encode_close(), pcm_encode_init(), pcx_encode_init(), pcx_init(), png_enc_init(), print_report(), ptx_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), roq_dpcm_encode_close(), roq_dpcm_encode_init(), roq_encode_video(), sgi_init(), sonic_encode_close(), sonic_encode_init(), sunrast_init(), svq1_encode_init(), targa_encode_init(), targa_init(), tiff_init(), txd_init(), ulti_decode_init(), v4l2_read_packet(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), write_audio_frame(), write_video_frame(), X264_init(), xvid_encode_init(), yuv4_generate_header(), and yuv4_read_packet().
debug
Definition at line 1538 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_release_buffer(), decode_chunks(), decode_ext_header(), decode_frame(), decode_init(), decode_nal_units(), decode_picture_timing(), decode_slice_header(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), ff_alloc_picture(), ff_er_frame_end(), ff_flv_decode_picture_header(), ff_h263_decode_frame(), ff_h263_show_pict_info(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_picture_header(), ff_print_debug_info(), ff_rate_estimate_qscale(), ff_vbv_update(), ff_wmv2_decode_secondary_picture_header(), ffm_read_header(), ffm_write_header(), find_short(), libdirac_decode_init(), libdirac_encode_init(), libschroedinger_decode_init(), libschroedinger_encode_init(), mjpeg_decode_app(), mjpeg_decode_com(), mjpegb_decode_frame(), modify_qscale(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), MPV_common_init(), MPV_decode_mb_internal(), msmpeg4_decode_picture_header(), opt_input_file(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), predict_slice(), predict_slice_buffered(), print_long_term(), print_short_term(), remove_short(), rv10_decode_init(), rv20_decode_picture_header(), stream_component_open(), svq3_decode_frame(), and truemotion1_decode_header().
debug
Definition at line 1561 of file avcodec.h.
Referenced by ff_alloc_picture(), ff_print_debug_info(), MPV_common_init(), and stream_component_open().
uint64_t AVCodecContext::error |
error
Definition at line 1571 of file avcodec.h.
Referenced by encode_frame(), estimate_best_b_count(), MPV_encode_picture(), and print_report().
motion estimation comparison function
Definition at line 1592 of file avcodec.h.
Referenced by encode_init(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), ffm_read_header(), ffm_write_header(), get_4block_rd(), get_block_rd(), hpel_motion_search(), qpel_motion_search(), and X264_init().
subpixel motion estimation comparison function
Definition at line 1598 of file avcodec.h.
Referenced by direct_search(), encode_init(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), hpel_motion_search(), and qpel_motion_search().
macroblock comparison function (not supported yet)
Definition at line 1604 of file avcodec.h.
Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), interlaced_search(), and sse_mb().
interlaced DCT comparison function
Definition at line 1610 of file avcodec.h.
Referenced by dvvideo_init(), encode_mb_internal(), and MPV_encode_init().
ME diamond size & shape
Definition at line 1633 of file avcodec.h.
Referenced by estimate_motion_thread(), ff_init_me(), iterative_me(), and svq1_encode_plane().
amount of previous MV predictors (2a+1 x 2a+1 square)
Definition at line 1640 of file avcodec.h.
Referenced by epzs_motion_search_internal().
prepass for motion estimation
Definition at line 1647 of file avcodec.h.
Referenced by encode_picture().
motion estimation prepass comparison function
Definition at line 1654 of file avcodec.h.
Referenced by ff_init_me(), and ff_pre_estimate_p_frame_motion().
ME prepass diamond size & shape
Definition at line 1661 of file avcodec.h.
Referenced by ff_init_me(), and pre_estimate_motion_thread().
subpel ME quality
Definition at line 1668 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), qpel_motion_search(), and X264_init().
enum PixelFormat(* AVCodecContext::get_format)(struct AVCodecContext *s, const enum PixelFormat *fmt) | ( | struct AVCodecContext * | s, | |
const enum PixelFormat * | fmt | |||
) |
callback to negotiate the pixelFormat
fmt | is the list of formats which are supported by the codec, it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. The first is always the native one. |
Referenced by avcodec_get_context_defaults2(), decode_init(), decode_slice_header(), ff_h263_decode_init(), mpeg_get_pixelformat(), and vc1_decode_init().
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set.
Definition at line 1689 of file avcodec.h.
Referenced by mpeg_decode_user_data().
maximum motion estimation search range in subpel units If 0 then no limit.
Definition at line 1705 of file avcodec.h.
Referenced by encode_init(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), get_limits(), mpeg1_encode_sequence_header(), and X264_init().
intra quantizer bias
Definition at line 1712 of file avcodec.h.
Referenced by dnxhd_encode_init(), and MPV_encode_init().
inter quantizer bias
Definition at line 1720 of file avcodec.h.
Referenced by MPV_encode_init().
color table ID
Tables have to be stored somewhere. FIXME
Definition at line 1728 of file avcodec.h.
Referenced by mov_read_stsd().
internal_buffer count Don't touch, used by libavcodec default_get_buffer().
Definition at line 1734 of file avcodec.h.
Referenced by avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
internal_buffers Don't touch, used by libavcodec default_get_buffer().
Definition at line 1740 of file avcodec.h.
Referenced by avcodec_copy_context(), avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
Global quality for codecs which cannot change it per frame.
This should be proportional to MPEG-1/2/4 qscale.
Definition at line 1754 of file avcodec.h.
Referenced by aac_encode_init(), encode_init(), Faac_encode_init(), libdirac_encode_init(), libschroedinger_encode_init(), MP3lame_encode_init(), new_audio_stream(), new_video_stream(), oggvorbis_init_encoder(), parse_ffconfig(), and vorbis_encode_init().
coder type
Definition at line 1766 of file avcodec.h.
Referenced by encode_frame(), encode_init(), ffm_read_header(), ffm_write_header(), libdirac_encode_init(), libschroedinger_encode_init(), read_header(), targa_encode_frame(), and X264_init().
context model
Definition at line 1773 of file avcodec.h.
Referenced by encode_init(), encode_plane(), and encode_rgb_frame().
slice flags
Definition at line 1788 of file avcodec.h.
Referenced by ff_draw_horiz_band(), and mpeg_mc_decode_init().
XVideo Motion Acceleration
Definition at line 1798 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_er_frame_end(), ff_xvmc_decode_mb(), is_intra_more_likely(), mpeg_decode_mb(), mpeg_decode_slice(), mpeg_field_start(), mpeg_get_pixelformat(), mpeg_mc_decode_init(), MPV_decode_mb_internal(), MPV_frame_end(), MPV_frame_start(), and slice_end().
macroblock decision mode
Definition at line 1805 of file avcodec.h.
Referenced by add_video_stream(), avcodec_string(), clip_coeffs(), dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), encode_thread(), estimate_best_b_count(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ffm_read_header(), ffm_write_header(), MPV_decode_mb_internal(), MPV_encode_init(), parse_ffconfig(), and xvid_encode_init().
uint16_t * AVCodecContext::intra_matrix |
custom intra quantization matrix
Definition at line 1815 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), new_video_stream(), and xvid_encode_init().
uint16_t * AVCodecContext::inter_matrix |
custom inter quantization matrix
Definition at line 1822 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), new_video_stream(), and xvid_encode_init().
unsigned int AVCodecContext::stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs.
Definition at line 1830 of file avcodec.h.
Referenced by avi_read_header(), avisynth_read_header(), and MPV_common_init().
scene change detection threshold 0 is default, larger means fewer detected scene changes.
Definition at line 1838 of file avcodec.h.
Referenced by encode_frame(), encode_picture(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), and X264_init().
minimum Lagrange multipler
Definition at line 1845 of file avcodec.h.
Referenced by get_qminmax().
maximum Lagrange multipler
Definition at line 1852 of file avcodec.h.
Referenced by get_qminmax(), and MPV_encode_picture().
struct AVPaletteControl * AVCodecContext::palctrl [read] |
palette control structure
Definition at line 1859 of file avcodec.h.
Referenced by asf_read_close(), asf_read_header(), avcodec_copy_context(), avcodec_get_context_defaults2(), avi_read_close(), avi_read_header(), cinepak_decode_frame(), cinepak_decode_init(), decode_frame(), decode_init(), idcin_decode_frame(), idcin_read_header(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_init(), ipvideo_decode_opcodes(), mov_read_close(), mov_read_stsd(), msrle_decode_frame(), msvideo1_decode_8bit(), msvideo1_decode_init(), nsv_read_close(), qtrle_decode_frame(), raw_decode(), smc_decode_stream(), wc3_read_header(), xan_decode_frame(), and xan_decode_init().
noise reduction strength
Definition at line 1866 of file avcodec.h.
Referenced by init_duplicate_context(), merge_context_after_encode(), MPV_common_init(), MPV_frame_start(), update_noise_reduction(), and X264_init().
int(* AVCodecContext::reget_buffer)(struct AVCodecContext *c, AVFrame *pic) | ( | struct AVCodecContext * | c, | |
AVFrame * | pic | |||
) |
Called at the beginning of a frame to get cr buffer for it.
Buffer type (size, hints) must be the same. libavcodec won't check it. libavcodec will pass previous buffer in pic, function should return same buffer or new buffer with old frame "painted" into it. If pic.data[0] == NULL must behave like get_buffer(). if CODEC_CAP_DR1 is not set then reget_buffer() must call avcodec_default_reget_buffer() instead of providing buffers allocated by some other means.
Referenced by aasc_decode_frame(), avcodec_copy_context(), avcodec_get_context_defaults2(), avs_decode_frame(), bethsoftvid_decode_frame(), cdg_decode_frame(), cinepak_decode_frame(), cinvideo_decode_frame(), decode_frame(), decode_frame_byterun1(), flashsv_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ir2_decode_frame(), mp_decode_frame(), msrle_decode_frame(), msvideo1_decode_frame(), qtrle_decode_frame(), roq_decode_frame(), rpza_decode_frame(), seqvideo_decode_frame(), smc_decode_frame(), and truemotion1_decode_frame().
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition at line 1887 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_xvid_rate_control_init(), new_video_stream(), and X264_init().
CODEC_FLAG2_*
Definition at line 1901 of file avcodec.h.
Referenced by av_parser_change(), decode_frame(), decode_slice_header(), dump_extradata(), encode_422_bitstream(), encode_bgr_bitstream(), encode_frame(), encode_gray_bitstream(), encode_init(), ff_h263_decode_frame(), ffm_read_header(), ffm_write_header(), h261_decode_frame(), MP3lame_encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), new_video_stream(), remove_extradata(), stream_component_open(), svq3_decode_init(), and X264_init().
Simulates errors in the bitstream to test error concealment.
Definition at line 1908 of file avcodec.h.
Referenced by encode_thread().
MP3 antialias algorithm, see FF_AA_* below.
Definition at line 1915 of file avcodec.h.
Referenced by decode_init().
quantizer noise shaping
Definition at line 1925 of file avcodec.h.
Referenced by dct_quantize_refine(), and encode_mb_internal().
thread count is used to decide how many independent tasks should be passed to execute()
Definition at line 1933 of file avcodec.h.
Referenced by avcodec_thread_execute(), avcodec_thread_execute2(), avcodec_thread_free(), avcodec_thread_init(), decode_chunks(), decode_nal_units(), decode_slice_header(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_load_picture(), encode_picture(), ff_er_add_slice(), ff_h264_alloc_tables(), ff_h264_frame_start(), ffm_read_header(), ffm_write_header(), mpeg_mc_decode_init(), MPV_common_end(), MPV_common_init(), MPV_encode_init(), MPV_encode_picture(), read_ffserver_streams(), svq3_decode_init(), worker(), X264_init(), and xvid_encode_init().
int(* AVCodecContext::execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) | ( | struct AVCodecContext * | c, | |
int(*)(struct AVCodecContext *c2, void *arg) | func, | |||
void * | arg2, | |||
int * | ret, | |||
int | count, | |||
int | size | |||
) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially.
count | the number of things to execute
|
Referenced by avcodec_copy_context(), avcodec_get_context_defaults2(), avcodec_thread_init(), decode_chunks(), dvvideo_decode_frame(), dvvideo_encode_frame(), encode_picture(), and execute_decode_slices().
thread opaque Can be used by execute() to store some per AVCodecContext stuff.
Definition at line 1952 of file avcodec.h.
Referenced by avcodec_close(), avcodec_copy_context(), avcodec_thread_execute(), avcodec_thread_execute2(), avcodec_thread_free(), avcodec_thread_init(), and worker().
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used.
Definition at line 1961 of file avcodec.h.
Referenced by copy_picture_attributes(), encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), MPV_encode_init(), and new_video_stream().
Macroblock threshold below which the user specified macroblock types will be used.
Definition at line 1968 of file avcodec.h.
Referenced by ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and MPV_encode_init().
precision of the intra DC coefficient - 8
Definition at line 1975 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and new_video_stream().
noise vs.
sse weight for the nsse comparsion function
Definition at line 1982 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), nsse16_c(), nsse16_mmx(), nsse8_c(), and nsse8_mmx().
Number of macroblock rows at the top which are skipped.
Definition at line 1989 of file avcodec.h.
Referenced by ff_er_add_slice(), and ff_er_frame_end().
Number of macroblock rows at the bottom which are skipped.
Definition at line 1996 of file avcodec.h.
Referenced by decode_chunks(), and ff_er_frame_end().
profile
Definition at line 2003 of file avcodec.h.
Referenced by aac_encode_init(), decode_slice_header(), encode_init(), Faac_encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), and parse_nal_units().
level
Definition at line 2025 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), and X264_init().
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition at line 2033 of file avcodec.h.
Referenced by avcodec_set_dimensions(), chroma_4mv_motion_lowres(), decode_slice(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_mmx(), dsputil_init_ppc(), dv_decode_video_segment(), dvvideo_init(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_er_frame_end(), ff_init_block_index(), ff_update_block_index(), hpel_motion_lowres(), libopenjpeg_decode_frame(), mjpeg_decode_scan(), mjpeg_decode_scan_progressive_ac(), mpeg_decode_slice(), mpeg_motion_lowres(), MPV_common_init_altivec(), MPV_decode_mb(), MPV_decode_mb_internal(), MPV_motion_lowres(), opt_input_file(), rv20_decode_picture_header(), and stream_component_open().
Bitstream width / height, may be different from width/height if lowres or other things are used.
Definition at line 2041 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
Definition at line 2041 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
frame skip threshold
Definition at line 2048 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
frame skip factor
Definition at line 2055 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
frame skip exponent
Definition at line 2062 of file avcodec.h.
Referenced by skip_check().
frame skip comparison function
Definition at line 2069 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and MPV_encode_init().
Border processing masking, raises the quantizer for mbs on the borders of the picture.
Definition at line 2077 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
minimum MB lagrange multipler
Definition at line 2084 of file avcodec.h.
Referenced by adaptive_quantization().
maximum MB lagrange multipler
Definition at line 2091 of file avcodec.h.
Referenced by adaptive_quantization().
Definition at line 2098 of file avcodec.h.
Referenced by encode_picture().
Definition at line 2105 of file avcodec.h.
Referenced by decode_slice_header(), stream_component_open(), vc1_decode_p_mb(), vc1_decode_sequence_header(), and vp56_mc().
Definition at line 2112 of file avcodec.h.
Referenced by MPV_decode_mb_internal(), and stream_component_open().
Definition at line 2119 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), decode_nal_units(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), stream_component_open(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
Definition at line 2126 of file avcodec.h.
Referenced by bidir_refine().
Definition at line 2133 of file avcodec.h.
Referenced by estimate_best_b_count().
float AVCodecContext::crf |
constant rate factor - quality-based VBR - values ~correspond to qps
Definition at line 2140 of file avcodec.h.
Referenced by X264_init().
constant quantization parameter rate control method
Definition at line 2147 of file avcodec.h.
Referenced by X264_init().
minimum GOP size
Definition at line 2154 of file avcodec.h.
Referenced by encode_init(), ffm_read_header(), ffm_write_header(), and X264_init().
number of reference frames
Definition at line 2161 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), ffm_read_header(), ffm_write_header(), and X264_init().
chroma qp offset from luma
Definition at line 2168 of file avcodec.h.
Referenced by X264_init().
Influences how often B-frames are used.
Definition at line 2175 of file avcodec.h.
Referenced by X264_init().
trellis RD quantization
Definition at line 2182 of file avcodec.h.
Referenced by adpcm_compress_trellis(), adpcm_encode_init(), encode_block(), encode_end(), encode_init(), MPV_encode_init(), X264_init(), and xvid_encode_init().
Reduce fluctuations in qp (before curve compression).
Definition at line 2189 of file avcodec.h.
Referenced by X264_init().
in-loop deblocking filter alphac0 parameter alpha is in the range -6.
..6
Definition at line 2197 of file avcodec.h.
Referenced by X264_init().
in-loop deblocking filter beta parameter beta is in the range -6.
..6
Definition at line 2205 of file avcodec.h.
Referenced by X264_init().
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
Definition at line 2212 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), and X264_init().
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
Definition at line 2224 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), and X264_init().
Audio cutoff bandwidth (0 means "automatic")
Definition at line 2231 of file avcodec.h.
Referenced by AC3_encode_init(), Faac_encode_init(), ff_psy_preprocess_init(), and oggvorbis_init_encoder().
Note: Value depends upon the compare function used for fullpel ME.
Definition at line 2246 of file avcodec.h.
Referenced by epzs_motion_search_internal().
Adjusts sensitivity of b_frame_strategy 1.
Definition at line 2253 of file avcodec.h.
Referenced by select_input_picture().
Definition at line 2259 of file avcodec.h.
Referenced by alac_encode_init(), encode_frame(), encode_init(), flac_encode_init(), and MP3lame_encode_init().
Sets whether to use LPC mode - used by FLAC encoder.
Definition at line 2267 of file avcodec.h.
Referenced by flac_encode_init().
LPC coefficient precision - used by FLAC encoder
Definition at line 2274 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2280 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
Definition at line 2286 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
search method for selecting prediction order
Definition at line 2293 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2299 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2305 of file avcodec.h.
Referenced by flac_encode_init().
GOP timecode frame start number, in non drop frame format
Definition at line 2312 of file avcodec.h.
Referenced by mpeg1_encode_sequence_header().
Decoder should decode to this many channels if it can (0 for default)
Definition at line 2321 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), av_transcode(), channel_setup(), dca_decode_frame(), dca_decode_init(), ff_aac_ac3_parse(), read_restart_header(), and stream_component_open().
Percentage of dynamic range compression to be applied by the decoder.
The default value is 1.0, corresponding to full compression.
Definition at line 2330 of file avcodec.h.
Referenced by decode_audio_block().
int64_t AVCodecContext::reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition at line 2338 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_reget_buffer(), and avcodec_get_context_defaults2().
Bits per sample/pixel of internal libavcodec pixel/sample format.
This field is applicable only when sample_fmt is SAMPLE_FMT_S32.
Definition at line 2346 of file avcodec.h.
Referenced by av_transcode(), decode_frame(), decode_init(), decode_plane(), encode_init(), encode_plane(), ff_flac_parse_streaminfo(), mlp_parse(), read_const_block_data(), read_header(), read_major_sync(), read_var_block_data(), and write_header().
int64_t AVCodecContext::channel_layout |
Audio channel layout.
Definition at line 2353 of file avcodec.h.
Referenced by ac3_decode_frame(), AC3_encode_init(), aea_read_header(), ape_decode_init(), av_transcode(), avcodec_string(), cook_decode_init(), dca_decode_frame(), decode_init(), ff_aac_ac3_parse(), ff_get_wav_header(), ff_put_wav_header(), imc_decode_init(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_configure(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), smka_decode_init(), vorbis_decode_init(), and wavpack_decode_init().
Ratecontrol attempt to use, at maximum,
of what can be used without an underflow.
Definition at line 2367 of file avcodec.h.
Referenced by modify_qscale(), and MPV_encode_picture().
Ratecontrol attempt to use, at least,
times the amount needed to prevent a vbv overflow.
Definition at line 2374 of file avcodec.h.
Referenced by modify_qscale().
struct AVHWAccel * AVCodecContext::hwaccel [read] |
Hardware accelerator in use
Definition at line 2381 of file avcodec.h.
Referenced by alloc_frame_buffer(), avcodec_copy_context(), decode_nal_units(), decode_slice(), decode_slice_header(), execute_decode_slices(), ff_er_add_slice(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_print_debug_info(), field_end(), get_consumed_bytes(), mpeg_decode_slice(), mpeg_field_start(), MPV_frame_end(), slice_end(), vc1_decode_frame(), vc1_decode_init(), and vcr2_init_sequence().
For some codecs, the time base is closer to the field rate than the frame rate.
Most notably, H.264 and MPEG-2 specify time_base as half of frame duration if no telecine is used ...
Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
Definition at line 2390 of file avcodec.h.
Referenced by av_find_stream_info(), av_transcode(), compute_frame_duration(), compute_pkt_fields2(), ff_h264_decode_init(), mpeg_decode_postinit(), opt_input_file(), and output_packet().
Hardware accelerator context.
For some hardware accelerators, a global context needs to be provided by the user. In that case, this holds display-dependent data FFmpeg cannot instantiate itself. Please refer to the FFmpeg HW accelerator documentation to know how to fill this is. e.g. for VA API, this is a struct vaapi_context.
Definition at line 2402 of file avcodec.h.
Referenced by commit_bitstream_and_slice_buffer(), decode_slice(), ff_dxva2_common_end_frame(), ff_vaapi_common_end_frame(), fill_slice_long(), start_frame(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), and vaapi_vc1_start_frame().
Chromaticity coordinates of the source primaries.
Definition at line 2409 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and theora_decode_header().
Color Transfer Characteristic.
Definition at line 2416 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and theora_decode_header().
YUV colorspace type.
Definition at line 2423 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and theora_decode_header().
MPEG vs JPEG YUV range.
Definition at line 2430 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_init(), and parse_source_parameters().
This defines the location of chroma samples.
Definition at line 2437 of file avcodec.h.
Referenced by av_transcode(), decode_init(), decode_vui_parameters(), dvvideo_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_mjpeg_decode_init(), mpeg_decode_init(), vp3_decode_init(), yuv4_generate_header(), and yuv4_read_header().
int(* AVCodecContext::execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) | ( | struct AVCodecContext * | c, | |
int(*)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr) | func, | |||
void * | arg2, | |||
int * | ret, | |||
int | count | |||
) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially. Also see avcodec_thread_init and e.g. the --enable-pthread configure option.
c | context passed also to func | |
count | the number of things to execute | |
arg2 | argument passed unchanged to func | |
ret | return values of executed functions, must have space for "count" values. May be NULL. | |
func | function that will be called count times, with jobnr from 0 to count-1. threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no two instances of func executing at the same time will have the same threadnr. |
Referenced by avcodec_copy_context(), avcodec_get_context_defaults2(), avcodec_thread_init(), dnxhd_encode_fast(), dnxhd_encode_picture(), dnxhd_encode_rdo(), and dnxhd_find_qscale().
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
Definition at line 2467 of file avcodec.h.
Referenced by X264_init().
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
Definition at line 2477 of file avcodec.h.
Referenced by X264_init().
AQ strength Reduces blocking and blurring in flat and textured areas.
Definition at line 2485 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::psy_rd |
PSY RD Strength of psychovisual optimization
Definition at line 2493 of file avcodec.h.
Referenced by X264_init().
PSY trellis Strength of psychovisual optimization
Definition at line 2501 of file avcodec.h.
Referenced by X264_init().
RC lookahead Number of frames for frametype and ratecontrol lookahead
Definition at line 2509 of file avcodec.h.
Referenced by X264_init().