Improve handling allocated buffers in Xan decoder

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

View File

@ -76,10 +76,14 @@ static av_cold int xan_decode_init(AVCodecContext *avctx)
s->buffer1_size = avctx->width * avctx->height;
s->buffer1 = av_malloc(s->buffer1_size);
if (!s->buffer1)
return -1;
s->buffer2_size = avctx->width * avctx->height;
s->buffer2 = av_malloc(s->buffer2_size + 130);
if (!s->buffer1 || !s->buffer2)
if (!s->buffer2) {
av_freep(&s->buffer1);
return -1;
}
return 0;
}
@ -405,8 +409,8 @@ static av_cold int xan_decode_end(AVCodecContext *avctx)
if (s->current_frame.data[0])
avctx->release_buffer(avctx, &s->current_frame);
av_free(s->buffer1);
av_free(s->buffer2);
av_freep(&s->buffer1);
av_freep(&s->buffer2);
return 0;
}