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authorJustin Ruggles <justin.ruggles@gmail.com>2012-01-23 14:57:32 -0500
committerJustin Ruggles <justin.ruggles@gmail.com>2012-01-24 14:13:41 -0500
commit220506d23f39da3e23d3d42fb7061f19cec8052c (patch)
tree5a1621e906a2c3ce4c4b9a2b9c5e36800c142d9e /libavcodec/adpcm.c
parent4340a6363e9ff75dc4e8ce14dc96671623494ed8 (diff)
avcodec: add a new codec_id for CRYO APC IMA ADPCM.
The stereo layout and extradata is significantly different from that in Westwood IMA ADPCM, so a separate codec_id is warranted.
Diffstat (limited to 'libavcodec/adpcm.c')
-rw-r--r--libavcodec/adpcm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index b319635ed4..64bea6a5da 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -120,8 +120,8 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
return -1;
}
break;
- case CODEC_ID_ADPCM_IMA_WS:
- if (avctx->extradata && avctx->extradata_size == 2 * 4) {
+ case CODEC_ID_ADPCM_IMA_APC:
+ if (avctx->extradata && avctx->extradata_size >= 8) {
c->status[0].predictor = AV_RL32(avctx->extradata);
c->status[1].predictor = AV_RL32(avctx->extradata + 4);
}
@@ -359,6 +359,7 @@ static int get_nb_samples(AVCodecContext *avctx, const uint8_t *buf,
break;
/* simple 4-bit adpcm */
case CODEC_ID_ADPCM_CT:
+ case CODEC_ID_ADPCM_IMA_APC:
case CODEC_ID_ADPCM_IMA_EA_SEAD:
case CODEC_ID_ADPCM_IMA_WS:
case CODEC_ID_ADPCM_YAMAHA:
@@ -774,6 +775,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
}
break;
case CODEC_ID_ADPCM_IMA_WS:
+ case CODEC_ID_ADPCM_IMA_APC:
while (src < buf + buf_size) {
uint8_t v = *src++;
*samples++ = adpcm_ima_expand_nibble(&c->status[0], v >> 4 , 3);
@@ -1220,6 +1222,7 @@ ADPCM_DECODER(CODEC_ID_ADPCM_EA_R2, adpcm_ea_r2, "ADPCM Electronic Arts R2");
ADPCM_DECODER(CODEC_ID_ADPCM_EA_R3, adpcm_ea_r3, "ADPCM Electronic Arts R3");
ADPCM_DECODER(CODEC_ID_ADPCM_EA_XAS, adpcm_ea_xas, "ADPCM Electronic Arts XAS");
ADPCM_DECODER(CODEC_ID_ADPCM_IMA_AMV, adpcm_ima_amv, "ADPCM IMA AMV");
+ADPCM_DECODER(CODEC_ID_ADPCM_IMA_APC, adpcm_ima_apc, "ADPCM IMA CRYO APC");
ADPCM_DECODER(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3, "ADPCM IMA Duck DK3");
ADPCM_DECODER(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4, "ADPCM IMA Duck DK4");
ADPCM_DECODER(CODEC_ID_ADPCM_IMA_EA_EACS, adpcm_ima_ea_eacs, "ADPCM IMA Electronic Arts EACS");