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adpcmenc: fix adpcm_ms extradata allocation 

Add FF_INPUT_BUFFER_PADDING_SIZE.
If allocation fails, also free memory which was allocated previously in
adpcm_encode_init().
This commit is contained in:
Justin Ruggles 2012-01-30 13:15:18 -05:00
parent 877a1d409c
commit dd88ae831a
1 changed files with 3 additions and 3 deletions
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6
libavcodec/adpcmenc.c
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@ -110,10 +110,10 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx)
avctx->frame_size = (BLKSIZE - 7 * avctx->channels) * 2 /
avctx->channels + 2;
avctx->block_align = BLKSIZE;
if (!(avctx->extradata = av_malloc(32 + FF_INPUT_BUFFER_PADDING_SIZE)))
goto error;
avctx->extradata_size = 32;
extradata = avctx->extradata = av_malloc(avctx->extradata_size);
if (!extradata)
return AVERROR(ENOMEM);
extradata = avctx->extradata;
bytestream_put_le16(&extradata, avctx->frame_size);
bytestream_put_le16(&extradata, 7); /* wNumCoef */
for (i = 0; i < 7; i++) {