Global values

Global values, specified in the stream header / extradata or used all over. More...

Variables

GetBitContext WMAVoiceContext::gb
 packet bitreader.
int8_t WMAVoiceContext::vbm_tree [25]
 converts VLC codes to frame type
int WMAVoiceContext::spillover_bitsize
 number of bits used to specify spillover_nbits in the packet header = ceil(log2(ctx->block_align << 3))
int WMAVoiceContext::history_nsamples
 number of samples in history for signal prediction (through ACB)
int WMAVoiceContext::do_apf
 whether to apply the averaged projection filter (APF)
int WMAVoiceContext::lsps
 number of LSPs per frame [10 or 16]
int WMAVoiceContext::lsp_q_mode
 defines quantizer defaults [0, 1]
int WMAVoiceContext::lsp_def_mode
 defines different sets of LSP defaults [0, 1]
int WMAVoiceContext::frame_lsp_bitsize
 size (in bits) of LSPs, when encoded per-frame (independent coding)
int WMAVoiceContext::sframe_lsp_bitsize
 size (in bits) of LSPs, when encoded per superframe (residual coding)
int WMAVoiceContext::min_pitch_val
 base value for pitch parsing code
int WMAVoiceContext::max_pitch_val
 max value + 1 for pitch parsing
int WMAVoiceContext::pitch_nbits
 number of bits used to specify the pitch value in the frame header
int WMAVoiceContext::block_pitch_nbits
 number of bits used to specify the first block's pitch value
int WMAVoiceContext::block_pitch_range
 range of the block pitch
int WMAVoiceContext::block_delta_pitch_nbits
 number of bits used to specify the delta pitch between this and the last block's pitch value, used in all but first block
int WMAVoiceContext::block_delta_pitch_hrange
 1/2 range of the delta (full range is from -this to +this-1)
uint16_t WMAVoiceContext::block_conv_table [4]
 boundaries for block pitch unit/scale conversion

Detailed Description

Global values, specified in the stream header / extradata or used all over.


Variable Documentation

uint16_t WMAVoiceContext::block_conv_table[4] [inherited]

boundaries for block pitch unit/scale conversion

Definition at line 168 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

1/2 range of the delta (full range is from -this to +this-1)

Definition at line 166 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

number of bits used to specify the delta pitch between this and the last block's pitch value, used in all but first block

Definition at line 162 of file wmavoice.c.

Referenced by check_bits_for_superframe(), synth_frame(), and wmavoice_decode_init().

number of bits used to specify the first block's pitch value

Definition at line 159 of file wmavoice.c.

Referenced by check_bits_for_superframe(), synth_frame(), and wmavoice_decode_init().

range of the block pitch

Definition at line 161 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

int WMAVoiceContext::do_apf [inherited]

whether to apply the averaged projection filter (APF)

Definition at line 143 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

size (in bits) of LSPs, when encoded per-frame (independent coding)

Definition at line 150 of file wmavoice.c.

Referenced by check_bits_for_superframe(), and wmavoice_decode_init().

packet bitreader.

During decoder init, it contains the extradata from the demuxer. During decoding, it contains packet data.

Definition at line 131 of file wmavoice.c.

Referenced by parse_packet_header(), synth_superframe(), wmavoice_decode_init(), and wmavoice_decode_packet().

number of samples in history for signal prediction (through ACB)

Definition at line 140 of file wmavoice.c.

Referenced by synth_superframe(), and wmavoice_decode_init().

defines different sets of LSP defaults [0, 1]

Definition at line 148 of file wmavoice.c.

Referenced by synth_superframe(), and wmavoice_decode_init().

int WMAVoiceContext::lsp_q_mode [inherited]

defines quantizer defaults [0, 1]

Definition at line 147 of file wmavoice.c.

Referenced by synth_superframe(), and wmavoice_decode_init().

int WMAVoiceContext::lsps [inherited]

number of LSPs per frame [10 or 16]

Definition at line 146 of file wmavoice.c.

Referenced by synth_block(), synth_superframe(), wmavoice_decode_init(), and wmavoice_flush().

max value + 1 for pitch parsing

Definition at line 156 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

base value for pitch parsing code

Definition at line 155 of file wmavoice.c.

Referenced by synth_frame(), and wmavoice_decode_init().

number of bits used to specify the pitch value in the frame header

Definition at line 157 of file wmavoice.c.

Referenced by check_bits_for_superframe(), synth_frame(), and wmavoice_decode_init().

size (in bits) of LSPs, when encoded per superframe (residual coding)

Definition at line 152 of file wmavoice.c.

Referenced by check_bits_for_superframe(), and wmavoice_decode_init().

number of bits used to specify spillover_nbits in the packet header = ceil(log2(ctx->block_align << 3))

Definition at line 137 of file wmavoice.c.

Referenced by parse_packet_header(), and wmavoice_decode_init().

int8_t WMAVoiceContext::vbm_tree[25] [inherited]

converts VLC codes to frame type

Definition at line 135 of file wmavoice.c.

Referenced by check_bits_for_superframe(), synth_frame(), and wmavoice_decode_init().


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