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avcodec/alac: only set *got_frame_ptr when all channels have been decoded

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Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f8b64436530_7895_quicktime_newcodec_applelosslessaudiocodec.m4a
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e11983bda0)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-01-11 04:36:15 +01:00
parent b6af89be6a
commit b3c3dc54a5
1 changed files with 2 additions and 1 deletions
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libavcodec/alac.c
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@@ -490,6 +490,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
avpkt->size * 8 - get_bits_count(&alac->gb)); avpkt->size * 8 - get_bits_count(&alac->gb));
} }
if (alac->channels == ch)
*got_frame_ptr = 1; *got_frame_ptr = 1;
return avpkt->size; return avpkt->size;