libxvid: Clear extradata pointer when freeing it.

Fixes crash when avcodec_close() tried freeing it again.
Fixes issue 1846.

Originally committed as revision 22691 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2010-03-26 04:12:28 +00:00
parent 601ca8c55c
commit e644db613a

View File

@ -481,7 +481,7 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
xvid_encore(x->encoder_handle, XVID_ENC_DESTROY, NULL, NULL);
if( avctx->extradata != NULL )
av_free(avctx->extradata);
av_freep(&avctx->extradata);
if( x->twopassbuffer != NULL ) {
av_free(x->twopassbuffer);
av_free(x->old_twopassbuffer);