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Code Issues Releases Activity

Only 4-bit ADPCM IMA WAV files are supported.

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Originally committed as revision 24493 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Carl Eugen Hoyos 2010-07-25 14:33:16 +00:00
parent f7bd4a8ebd
commit b9542223a3
1 changed files with 6 additions and 0 deletions
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6
libavcodec/adpcm.c
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@ -721,6 +721,12 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
case CODEC_ID_ADPCM_CT:
c->status[0].step = c->status[1].step = 511;
break;
case CODEC_ID_ADPCM_IMA_WAV:
if (avctx->bits_per_coded_sample != 4) {
av_log(avctx, AV_LOG_ERROR, "Only 4-bit ADPCM IMA WAV files are supported\n");
return -1;
}
break;
case CODEC_ID_ADPCM_IMA_WS:
if (avctx->extradata && avctx->extradata_size == 2 * 4) {
c->status[0].predictor = AV_RL32(avctx->extradata);