/// close video output stream and free associated memory
void CvVideoWriter_FFMPEG::close()
{
- // nothing to do if already released
- if ( !picture )
- return;
-
/* no more frame to compress. The codec has a latency of a few
frames if using B frames, so we get the last frames by
passing the same picture again */
// TODO -- do we need to account for latency here?
/* write the trailer, if any */
- if(ok && oc)
+ if (picture && ok && oc)
{
#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(57, 0, 0)
if (!(oc->oformat->flags & AVFMT_RAWPICTURE))
}
// free pictures
- if( context->pix_fmt != input_pix_fmt)
+ if (picture && context && context->pix_fmt != input_pix_fmt)
{
if(picture->data[0])
free(picture->data[0]);
if (input_picture)
av_free(input_picture);
+#ifdef CV_FFMPEG_CODECPAR
+ avcodec_free_context(&context);
+#else
/* close codec */
- avcodec_close(context);
+ if (context) // fixed after https://github.com/FFmpeg/FFmpeg/commit/3e1f507f3e8f16b716aa115552d243b48ae809bd
+ avcodec_close(context);
+ context = NULL;
+#endif
av_free(outbuf);
#endif
#ifdef CV_FFMPEG_CODECPAR
- if (context)
- {
- avcodec_free_context(&context);
- }
+ avcodec_free_context(&context);
#endif
context = icv_configure_video_stream_FFMPEG(oc, video_st, codec,
width, height, (int) (bitrate + 0.5),