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adpcm: Fix crash

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Fixes half of Ticket794
Bug found by: Oana Stratulat

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 608708009f)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-19 04:09:23 +01:00
parent f57c629b18
commit 25cadd366b
1 changed files with 3 additions and 0 deletions
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3
libavcodec/adpcm.c
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@@ -818,6 +818,9 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
/* Each EA ADPCM frame has a 12-byte header followed by 30-byte pieces, /* Each EA ADPCM frame has a 12-byte header followed by 30-byte pieces,
each coding 28 stereo samples. */ each coding 28 stereo samples. */
if(avctx->channels != 2)
return AVERROR_INVALIDDATA;
src += 4; // skip sample count (already read) src += 4; // skip sample count (already read)
current_left_sample = (int16_t)bytestream_get_le16(&src); current_left_sample = (int16_t)bytestream_get_le16(&src);