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| author | Robert Swain <robert.swain@gmail.com> | 2009-09-28 15:35:13 +0000 |
|---|---|---|
| committer | Robert Swain <robert.swain@gmail.com> | 2009-09-28 15:35:13 +0000 |
| commit | e22da6b63704c85e7da71866db2837c7c73a144a (patch) | |
| tree | 2a3074a6c6b74ce3df7cf8e2f923c347218d214a /libavcodec/aacdectab.h | |
| parent | d2cdf20147d1bfde627b5548a659470172d03dbd (diff) | |
| download | ffmpeg-e22da6b63704c85e7da71866db2837c7c73a144a.tar.gz | |
AAC: Add channel layout support for channel configuration as defined in the
specification
Originally committed as revision 20067 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/aacdectab.h')
| -rw-r--r-- | libavcodec/aacdectab.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h index b6d80f20c1..f632ca20da 100644 --- a/libavcodec/aacdectab.h +++ b/libavcodec/aacdectab.h @@ -69,4 +69,27 @@ static const float * const tns_tmp2_map[4] = { }; // @} +static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 0, 0, 0, 0, 0 }; + +static const uint8_t aac_channel_layout_map[7][5][2] = { + { { TYPE_SCE, 0 }, }, + { { TYPE_CPE, 0 }, }, + { { TYPE_CPE, 0 }, { TYPE_SCE, 0 }, }, + { { TYPE_CPE, 0 }, { TYPE_SCE, 0 }, { TYPE_SCE, 1 }, }, + { { TYPE_CPE, 0 }, { TYPE_SCE, 0 }, { TYPE_CPE, 1 }, }, + { { TYPE_CPE, 0 }, { TYPE_SCE, 0 }, { TYPE_LFE, 0 }, { TYPE_CPE, 1 }, }, + { { TYPE_CPE, 0 }, { TYPE_SCE, 0 }, { TYPE_LFE, 0 }, { TYPE_CPE, 2 }, { TYPE_CPE, 1 }, }, +}; + +static const int64_t aac_channel_layout[8] = { + CH_LAYOUT_MONO, + CH_LAYOUT_STEREO, + CH_LAYOUT_SURROUND, + CH_LAYOUT_4POINT0, + CH_LAYOUT_5POINT0_BACK, + CH_LAYOUT_5POINT1_BACK, + CH_LAYOUT_7POINT1_WIDE, + 0, +}; + #endif /* AVCODEC_AACDECTAB_H */ |