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avcodec/options: factorize avcodec_copy_context() cleanup code

Reviewed-by: Aaron Levinson <alevinsn@aracnet.com>
Tested-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 54a4c9b4e9a1524b1ac5d2be97c8042272402d0a)
This commit is contained in:
James Almer 2017-04-22 13:25:32 -03:00
parent 4117f19f2f
commit 4122e5fcb3

View File

@ -179,6 +179,18 @@ void avcodec_free_context(AVCodecContext **pavctx)
av_freep(pavctx);
}
static void copy_context_reset(AVCodecContext *avctx)
{
av_opt_free(avctx);
av_freep(&avctx->rc_override);
av_freep(&avctx->intra_matrix);
av_freep(&avctx->inter_matrix);
av_freep(&avctx->extradata);
av_freep(&avctx->subtitle_header);
avctx->subtitle_header_size = 0;
avctx->extradata_size = 0;
}
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
{
const AVCodec *orig_codec = dest->codec;
@ -191,12 +203,7 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
return AVERROR(EINVAL);
}
av_opt_free(dest);
av_freep(&dest->rc_override);
av_freep(&dest->intra_matrix);
av_freep(&dest->inter_matrix);
av_freep(&dest->extradata);
av_freep(&dest->subtitle_header);
copy_context_reset(dest);
memcpy(dest, src, sizeof(*dest));
av_opt_copy(dest, src);
@ -248,14 +255,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
return 0;
fail:
av_freep(&dest->rc_override);
av_freep(&dest->intra_matrix);
av_freep(&dest->inter_matrix);
av_freep(&dest->extradata);
av_freep(&dest->subtitle_header);
dest->subtitle_header_size = 0;
dest->extradata_size = 0;
av_opt_free(dest);
copy_context_reset(dest);
return AVERROR(ENOMEM);
}