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Code Issues Releases Activity

adpcmdec: use planar sample format for adpcm_4xm

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This commit is contained in:
Justin Ruggles 2012-08-29 15:40:26 -04:00
parent 1b9ac72908
commit 4356d66d78
1 changed files with 5 additions and 6 deletions
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11
libavcodec/adpcm.c
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@ -138,6 +138,7 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
switch(avctx->codec->id) {
case AV_CODEC_ID_ADPCM_IMA_QT:
case AV_CODEC_ID_ADPCM_IMA_WAV:
case AV_CODEC_ID_ADPCM_4XM:
avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
break;
default:
@ -694,14 +695,12 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
}
for (i = 0; i < avctx->channels; i++) {
samples = (short *)c->frame.data[0] + i;
samples = (int16_t *)c->frame.data[i];
cs = &c->status[i];
for (n = nb_samples >> 1; n > 0; n--) {
int v = bytestream2_get_byteu(&gb);
*samples = adpcm_ima_expand_nibble(cs, v & 0x0F, 4);
samples += avctx->channels;
*samples = adpcm_ima_expand_nibble(cs, v >> 4 , 4);
samples += avctx->channels;
*samples++ = adpcm_ima_expand_nibble(cs, v & 0x0F, 4);
*samples++ = adpcm_ima_expand_nibble(cs, v >> 4 , 4);
}
}
break;
@ -1289,7 +1288,7 @@ AVCodec ff_ ## name_ ## _decoder = { \
}
/* Note: Do not forget to add new entries to the Makefile as well. */
ADPCM_DECODER(AV_CODEC_ID_ADPCM_4XM, sample_fmts_s16, adpcm_4xm, "ADPCM 4X Movie");
ADPCM_DECODER(AV_CODEC_ID_ADPCM_4XM, sample_fmts_s16p, adpcm_4xm, "ADPCM 4X Movie");
ADPCM_DECODER(AV_CODEC_ID_ADPCM_CT, sample_fmts_s16, adpcm_ct, "ADPCM Creative Technology");
ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA, sample_fmts_s16, adpcm_ea, "ADPCM Electronic Arts");
ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_MAXIS_XA, sample_fmts_s16, adpcm_ea_maxis_xa, "ADPCM Electronic Arts Maxis CDROM XA");