sound disappear

Michael Smith msmith at xiph.org
Fri Mar 11 21:09:09 PST 2011


2011/3/11 代坤娟 <daisy0719 at gmail.com>:
> hello:
>
> I use the following command to play a media file:
>
> gst-launch --gst-debug-level=queue:3 filesrc location=/usr/local/demo/z.mp4
> ! ffdemux_mov_mp4_m4a_3gp_3g2_mj2 name=demux demux.video_00 ! queue !
> ffdec_mpeg4 ! ffmpegcolorspace ! videoscale ! ximagesink demux.audio_00 !
> queue ! faad ! alsasink

Under no circumstances should that ffmpeg demuxer be used for any purpose.

Does it work if you use qtdemux? qtdemux is the only supported demuxer
to use for qt and derived file formats (including mp4).

Mike


More information about the gstreamer-embedded mailing list