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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-02-09 22:44:10 -0500 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-02-22 20:14:00 -0500 |
| commit | 62d5f9e5cab45df0505862e5ede2bae55d1881aa (patch) | |
| tree | 35d87ccbdf5c29b4d57fd726ed02b7cbc6ee900b /libavcodec/flacdec.c | |
| parent | 3798205a77ce275613098ecb48645e6029811f14 (diff) | |
| download | ffmpeg-62d5f9e5cab45df0505862e5ede2bae55d1881aa.tar.gz | |
flacdec: set channel_layout based on channel count
Channel layouts are specified in the FLAC format description at
http://flac.sourceforge.net/format.html
fixes Bug 209
Diffstat (limited to 'libavcodec/flacdec.c')
| -rw-r--r-- | libavcodec/flacdec.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c index 7454d8b7f7..ad3827b6cc 100644 --- a/libavcodec/flacdec.c +++ b/libavcodec/flacdec.c @@ -33,6 +33,7 @@ #include <limits.h> +#include "libavutil/audioconvert.h" #include "libavutil/crc.h" #include "avcodec.h" #include "internal.h" @@ -62,6 +63,15 @@ typedef struct FLACContext { int32_t *decoded[FLAC_MAX_CHANNELS]; ///< decoded samples } FLACContext; +static const int64_t flac_channel_layouts[6] = { + AV_CH_LAYOUT_MONO, + AV_CH_LAYOUT_STEREO, + AV_CH_LAYOUT_SURROUND, + AV_CH_LAYOUT_QUAD, + AV_CH_LAYOUT_5POINT0, + AV_CH_LAYOUT_5POINT1 +}; + static void allocate_buffers(FLACContext *s); int avpriv_flac_is_extradata_valid(AVCodecContext *avctx, @@ -120,6 +130,9 @@ static av_cold int flac_decode_init(AVCodecContext *avctx) avcodec_get_frame_defaults(&s->frame); avctx->coded_frame = &s->frame; + if (avctx->channels <= FF_ARRAY_ELEMS(flac_channel_layouts)) + avctx->channel_layout = flac_channel_layouts[avctx->channels - 1]; + return 0; } |