libavformat/img2.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include <strings.h>

Go to the source code of this file.

Data Structures

struct  VideoData
struct  IdStrMap

Functions

static int infer_size (int *width_ptr, int *height_ptr, int size)
static enum CodecID av_str2id (const IdStrMap *tags, const char *str)
static int find_image_range (int *pfirst_index, int *plast_index, const char *path)
static int image_probe (AVProbeData *p)
enum CodecID av_guess_image2_codec (const char *filename)
static int img_read_header (AVFormatContext *s1, AVFormatParameters *ap)
static int img_read_packet (AVFormatContext *s1, AVPacket *pkt)
static int img_write_header (AVFormatContext *s)
static int img_write_packet (AVFormatContext *s, AVPacket *pkt)

Variables

static const IdStrMap img_tags []
static const int sizes [][2]
AVInputFormat image2_demuxer
AVInputFormat image2pipe_demuxer
AVOutputFormat image2_muxer
AVOutputFormat image2pipe_muxer


Function Documentation

enum CodecID av_guess_image2_codec ( const char *  filename  ) 

Definition at line 184 of file img2.c.

Referenced by av_guess_codec(), and av_guess_format().

static enum CodecID av_str2id ( const IdStrMap tags,
const char *  str 
) [static]

Definition at line 104 of file img2.c.

Referenced by av_guess_image2_codec(), image_probe(), img_read_header(), and img_write_packet().

static int find_image_range ( int *  pfirst_index,
int *  plast_index,
const char *  path 
) [static]

Definition at line 120 of file img2.c.

Referenced by img_read_header().

static int image_probe ( AVProbeData p  )  [static]

Definition at line 173 of file img2.c.

static int img_read_header ( AVFormatContext s1,
AVFormatParameters ap 
) [static]

Definition at line 188 of file img2.c.

static int img_read_packet ( AVFormatContext s1,
AVPacket pkt 
) [static]

Definition at line 251 of file img2.c.

static int img_write_header ( AVFormatContext s  )  [static]

Definition at line 322 of file img2.c.

static int img_write_packet ( AVFormatContext s,
AVPacket pkt 
) [static]

Definition at line 338 of file img2.c.

static int infer_size ( int *  width_ptr,
int *  height_ptr,
int  size 
) [static]

Definition at line 91 of file img2.c.

Referenced by img_read_packet().


Variable Documentation

Initial value:

 {
    "image2",
    NULL_IF_CONFIG_SMALL("image2 sequence"),
    sizeof(VideoData),
    image_probe,
    img_read_header,
    img_read_packet,
    NULL,
    NULL,
    NULL,
    AVFMT_NOFILE,
}

Definition at line 414 of file img2.c.

Initial value:

 {
    "image2",
    NULL_IF_CONFIG_SMALL("image2 sequence"),
    "",
    "bmp,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,ppm,sgi,tif,tiff,jp2",
    sizeof(VideoData),
    CODEC_ID_NONE,
    CODEC_ID_MJPEG,
    img_write_header,
    img_write_packet,
    NULL,
    .flags= AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | AVFMT_NOFILE
}

Definition at line 440 of file img2.c.

Initial value:

 {
    "image2pipe",
    NULL_IF_CONFIG_SMALL("piped image2 sequence"),
    sizeof(VideoData),
    NULL, 
    img_read_header,
    img_read_packet,
}

Definition at line 428 of file img2.c.

Initial value:

 {
    "image2pipe",
    NULL_IF_CONFIG_SMALL("piped image2 sequence"),
    "",
    "",
    sizeof(VideoData),
    CODEC_ID_NONE,
    CODEC_ID_MJPEG,
    img_write_header,
    img_write_packet,
    .flags= AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS
}

Definition at line 455 of file img2.c.

const IdStrMap img_tags[] [static]

Definition at line 42 of file img2.c.

const int sizes[][2] [static]

Initial value:

 {
    { 640, 480 },
    { 720, 480 },
    { 720, 576 },
    { 352, 288 },
    { 352, 240 },
    { 160, 128 },
    { 512, 384 },
    { 640, 352 },
    { 640, 240 },
}

Definition at line 79 of file img2.c.

Referenced by aac_encode_init(), infer_size(), ra144_decode_frame(), svq1_decode_init(), and x8_vlc_init().


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