Module: libav
Branch: master
Commit: dd88ae831a3e703ec48b28a3b28e96567eab605f

Author:    Justin Ruggles <[email protected]>
Committer: Justin Ruggles <[email protected]>
Date:      Mon Jan 30 13:15:18 2012 -0500

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().

---

 libavcodec/adpcmenc.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/adpcmenc.c b/libavcodec/adpcmenc.c
index f0f8c1f..706c504 100644
--- a/libavcodec/adpcmenc.c
+++ b/libavcodec/adpcmenc.c
@@ -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++) {

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