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mp3on4: set channel layout

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This commit is contained in:
Justin Ruggles 2011-09-25 12:52:11 -04:00
parent fff0f831e0
commit 1183d6cd98
1 changed files with 12 additions and 0 deletions
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12
libavcodec/mpegaudiodec.c
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@ -1913,6 +1913,17 @@ static const uint8_t chan_offset[8][5] = {
{2,0,6,4,3}, // C FLR BLRS BLR LFE {2,0,6,4,3}, // C FLR BLRS BLR LFE
}; };
/* mp3on4 channel layouts */
static const int16_t chan_layout[8] = {
0,
AV_CH_LAYOUT_MONO,
AV_CH_LAYOUT_STEREO,
AV_CH_LAYOUT_SURROUND,
AV_CH_LAYOUT_4POINT0,
AV_CH_LAYOUT_5POINT0,
AV_CH_LAYOUT_5POINT1,
AV_CH_LAYOUT_7POINT1
};
static av_cold int decode_close_mp3on4(AVCodecContext * avctx) static av_cold int decode_close_mp3on4(AVCodecContext * avctx)
{ {
@ -1947,6 +1958,7 @@ static int decode_init_mp3on4(AVCodecContext * avctx)
s->frames = mp3Frames[cfg.chan_config]; s->frames = mp3Frames[cfg.chan_config];
s->coff = chan_offset[cfg.chan_config]; s->coff = chan_offset[cfg.chan_config];
avctx->channels = ff_mpeg4audio_channels[cfg.chan_config]; avctx->channels = ff_mpeg4audio_channels[cfg.chan_config];
avctx->channel_layout = chan_layout[cfg.chan_config];
if (cfg.sample_rate < 16000) if (cfg.sample_rate < 16000)
s->syncword = 0xffe00000; s->syncword = 0xffe00000;