On 12/05/2016 01:02 PM, Bernhard Praschinger wrote: > You can use the -U/--use-write Option and see if that helps. Does not help, all I hear is a pop in the beginning, then nothing. See my command and output below: [apu@andraslinux ~]$ glav -p S -U +n -v 2 record.avi ++: INFO: [lavplay] Norm set to NTSC ++: INFO: [lavplay] Initialising SDL ++: INFO: [lavplay] SDL YUV overlay: hardware ++: INFO: [lavplay] Using read(2)/write(2) system call for capture/playpack ++: INFO: [lavplay] Output norm: NTSC ++: INFO: [lavplay] Output dimensions: 320x240 ++: lavtools version 1.9.0 ++: ++ WARN: [lavplay] Unable to set negative priority for audio thread. ++: ++ WARN: [lavplay] Pthread Real-time scheduling for audio thread could not be enabled. ++:
> Did you check the mixer settings when you play back the file ? cat anytextfile.txt > /dev/dsp produces loud noise in speakers > It could be that environment Variable LAV_AUDIO_DEV is set wrong. > > Can you run lavinfo filename.avi and post at least the audio related > info, it should look like that: > has_audio=1 > audio_bps=4 > audio_chans=2 > audio_bits=16 > audio_rate=44100 > ---ENDE--- See below:: [apu@andraslinux ~]$ lavinfo record.avi video_frames=554 video_width=320 video_height=240 video_inter=p video_norm=NTSC video_fps=29.970629 video_sar_width=1 video_sar_height=1 max_frame_size=19220 chroma=422 has_audio=1 audio_bps=1 audio_chans=1 audio_bits=8 audio_rate=44100 num_video_files=1 also: My modules, excerpted from lsmod: ... snd_intel8x0 19052 0 snd_ac97_codec 76031 1 snd_intel8x0 ac97_bus 618 1 snd_ac97_codec snd_pcm_oss 27105 0 snd_mixer_oss 9866 1 snd_pcm_oss snd_pcm 40209 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_timer 11572 1 snd_pcm snd 29851 6 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer soundcore 3105 1 snd snd_page_alloc 4565 2 snd_intel8x0,snd_pcm ... Thanks for your answer; I did receive the email correctly and responding here to it. Hope we can get to the bottom of this. Janos ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today.http://sdm.link/xeonphi _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
