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Improve handling allocated buffers in Xan decoder

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Originally committed as revision 20899 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2009-12-19 17:04:30 +00:00
parent 2628f515fe
commit 0080402d36
1 changed files with 7 additions and 3 deletions
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10
libavcodec/xan.c
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@ -76,10 +76,14 @@ static av_cold int xan_decode_init(AVCodecContext *avctx)
s->buffer1_size = avctx->width * avctx->height; s->buffer1_size = avctx->width * avctx->height;
s->buffer1 = av_malloc(s->buffer1_size); s->buffer1 = av_malloc(s->buffer1_size);
if (!s->buffer1)
return -1;
s->buffer2_size = avctx->width * avctx->height; s->buffer2_size = avctx->width * avctx->height;
s->buffer2 = av_malloc(s->buffer2_size + 130); s->buffer2 = av_malloc(s->buffer2_size + 130);
if (!s->buffer1 || !s->buffer2) if (!s->buffer2) {
av_freep(&s->buffer1);
return -1; return -1;
}
return 0; return 0;
} }
@ -405,8 +409,8 @@ static av_cold int xan_decode_end(AVCodecContext *avctx)
if (s->current_frame.data[0]) if (s->current_frame.data[0])
avctx->release_buffer(avctx, &s->current_frame); avctx->release_buffer(avctx, &s->current_frame);
av_free(s->buffer1); av_freep(&s->buffer1);
av_free(s->buffer2); av_freep(&s->buffer2);
return 0; return 0;
} }