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| author | Vladimir Voroshilov <voroshil@gmail.com> | 2008-09-17 06:13:07 +0000 |
|---|---|---|
| committer | Vladimir Voroshilov <voroshil@gmail.com> | 2008-09-17 06:13:07 +0000 |
| commit | 00cc0ce91e26a207057d8ba986c663823f41a4fc (patch) | |
| tree | 3dfc70a066c15c371897f2407e2bf8d844cc02b8 /libavcodec/g729data.h | |
| parent | 1a18912e491c55dcf6d3b10ed72ae041053ccca8 (diff) | |
| download | ffmpeg-00cc0ce91e26a207057d8ba986c663823f41a4fc.tar.gz | |
Second-stage gain and Moving Average Predictor codebooks.
Originally committed as revision 15342 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/g729data.h')
| -rw-r--r-- | libavcodec/g729data.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libavcodec/g729data.h b/libavcodec/g729data.h index 09b3a47f0d..192eaa4ff0 100644 --- a/libavcodec/g729data.h +++ b/libavcodec/g729data.h @@ -225,4 +225,46 @@ static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] = { 356 , 14756 }, { 57 , 5404 }, }; + +/** + * gain codebook (second stage), 8k mode (3.9.2 of G.729) + */ +static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] = +{ /*(1.14) (1.13) */ + { 5142 , 592 }, + { 17299 , 1861 }, + { 6160 , 2395 }, + { 16112 , 3392 }, + { 826 , 2005 }, + { 18973 , 5935 }, + { 1994 , 0 }, + { 15434 , 237 }, + { 10573 , 2966 }, + { 15132 , 4914 }, + { 11569 , 1196 }, + { 14194 , 1630 }, + { 8091 , 4861 }, + { 15161 , 14276 }, + { 9120 , 525 }, + { 13260 , 3256 }, +}; + +/** + * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729) + */ +static const int16_t cb_ma_predictor[2][MA_NP][10] = +{ /* (0.15) */ + { + { 8421, 9109, 9175, 8965, 9034, 9057, 8765, 8775, 9106, 8673}, + { 7018, 7189, 7638, 7307, 7444, 7379, 7038, 6956, 6930, 6868}, + { 5472, 4990, 5134, 5177, 5246, 5141, 5206, 5095, 4830, 5147}, + { 4056, 3031, 2614, 3024, 2916, 2713, 3309, 3237, 2857, 3473} + }, + { + { 7733, 7880, 8188, 8175, 8247, 8490, 8637, 8601, 8359, 7569}, + { 4210, 3031, 2552, 3473, 3876, 3853, 4184, 4154, 3909, 3968}, + { 3214, 1930, 1313, 2143, 2493, 2385, 2755, 2706, 2542, 2919}, + { 3024, 1592, 940, 1631, 1723, 1579, 2034, 2084, 1913, 2601} + } +}; #endif // AVCODEC_G729DATA_H |