On Sat, Aug 27, 2016 at 9:22 PM, jd1008 <jd1...@gmail.com> wrote: > I use youtube-dl as the download tool, as follows: (Please bear with me > ...) > > $ youtube-dl -F https://www.youtube.com/watch?v=aNUYGRn3W9Q > [youtube] aNUYGRn3W9Q: Downloading webpage > [youtube] aNUYGRn3W9Q: Downloading video info webpage > [youtube] aNUYGRn3W9Q: Extracting video information > [youtube] aNUYGRn3W9Q: Downloading MPD manifest > [info] Available formats for aNUYGRn3W9Q: > format code extension resolution note > . > . > . > . > > 251 webm audio only DASH audio 136k , opus @160k > (48000Hz), 41.45MiB <<< The Audio file > . > . > . > . > . > 248 webm 1920x1080 DASH video 7139k , vp9, 25fps, video > only, 980.84MiB <<< The Video file > . > . > . > . > . > . > > Youtube-dl uses ffmpeg to merge them as follows: > > ffmpeg -y -i <video_file> -i <audio_file> -c copy -map 0:v:0 -map 1:a:0 > <output_file> > > It fails to do the job in the following sense: > When I play the output file with mplayer, I only get audio, > and when I play it with vlc, I only get video, some of which is garbled. > When I play it with ffplay, only initial frames are garbled - but then > all plays well. > > Both mplayer and vlc are latest. >
Can not reproduce with ffmpeg. Plays fine in mpv. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".