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free subtitle_header before overwriting it to avoid memleak

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Originally committed as revision 26176 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2010-12-31 00:06:25 +00:00
parent 1d6233d315
commit f19c58b4cf
1 changed files with 5 additions and 0 deletions
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5
libavcodec/utils.c
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@ -505,6 +505,11 @@ int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
avcodec_set_dimensions(avctx, 0, 0);
}
/* if the decoder init function was already called previously,
free the already allocated subtitle_header before overwriting it */
if (codec->decode)
av_freep(&avctx->subtitle_header);
#define SANE_NB_CHANNELS 128U
if (avctx->channels > SANE_NB_CHANNELS) {
ret = AVERROR(EINVAL);