+ if ( source_fps >= 1.0 && ( source_fps < muxer_fps || isnan( muxer_fps ) ) )
+ {
+ mlt_properties_set_int( properties, "meta.media.frame_rate_num", this->video_codec->time_base.den );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_den", this->video_codec->time_base.num == 0 ? 1 : this->video_codec->time_base.num );
+ }
+ else if ( muxer_fps > 0 )
+ {
+ AVRational frame_rate = stream->r_frame_rate;
+ // With my samples when r_frame_rate != 1000 but avg_frame_rate is valid,
+ // avg_frame_rate gives some approximate value that does not well match the media.
+ // Also, on my sample where r_frame_rate = 1000, using avg_frame_rate directly
+ // results in some very choppy output, but some value slightly different works
+ // great.
+#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(42<<8)+0)
+ if ( av_q2d( stream->r_frame_rate ) >= 1000 && av_q2d( stream->avg_frame_rate ) > 0 )
+ frame_rate = av_d2q( av_q2d( stream->avg_frame_rate ), 1024 );
+#endif
+ mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
+ }
+ else
+ {
+ source_fps = mlt_producer_get_fps( this->parent );
+ AVRational frame_rate = av_d2q( source_fps, 255 );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );
+ mlt_properties_set_int( properties, "meta.media.frame_rate_den", frame_rate.den );
+ }