diff options
| author | Peter Ross <pross@xvid.org> | 2007-10-30 23:12:18 +0000 |
|---|---|---|
| committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-10-30 23:12:18 +0000 |
| commit | 7bb65d8964f85baec4541e2f822149b391e13fb1 (patch) | |
| tree | fd93e8dcf05d1036f0c8a8a942c1660ea877ed5a /libavcodec/adpcm.c | |
| parent | 29c3d42b422ed1b538665341079e322a3b9488df (diff) | |
EA IMA SEAD decoder
original patch by Peter Ross
Originally committed as revision 10879 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/adpcm.c')
| -rw-r--r-- | libavcodec/adpcm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 8a8384ff65..120a89e8a9 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -31,6 +31,7 @@ * CD-ROM XA ADPCM codec by BERO * EA ADPCM decoder by Robin Kay (komadori@myrealbox.com) * EA ADPCM R1/R2/R3 decoder by Peter Ross (pross@xvid.org) + * EA IMA SEAD decoder by Peter Ross (pross@xvid.org) * THP ADPCM decoder by Marco Gerards (mgerards@xs4all.nl) * * Features and limitations: @@ -1137,6 +1138,12 @@ static int adpcm_decode_frame(AVCodecContext *avctx, buf_size -= 128; } break; + case CODEC_ID_ADPCM_IMA_EA_SEAD: + for (; src < buf+buf_size; src++) { + *samples++ = adpcm_ima_expand_nibble(&c->status[0], src[0] >> 4, 6); + *samples++ = adpcm_ima_expand_nibble(&c->status[st],src[0]&0x0F, 6); + } + break; case CODEC_ID_ADPCM_EA: samples_in_chunk = AV_RL32(src); if (samples_in_chunk >= ((buf_size - 12) * 2)) { @@ -1535,6 +1542,7 @@ ADPCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_AMV, adpcm_ima_amv); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4); +ADPCM_CODEC(CODEC_ID_ADPCM_IMA_EA_SEAD, adpcm_ima_ea_sead); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_SMJPEG, adpcm_ima_smjpeg); ADPCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav); |