[MEncoder-users] FW: mplayer - problem recording sound

[GAEREMYNCK Matthieu]

A small tip to help me further ?



Sincerely,


Matthieu Gaeremynck

System Engineer
>DF/MIS/SM
>@PEOC (The Consortium) 
>
>Rue de la Fusée, 96
>B-1130 Brussels
>Belgium
>
*:+32 2 729 31 38 
*: Matthieu.Gaeremynck at eurocontrol.int

 

>-----Original Message-----
>From: mencoder-users-bounces at mplayerhq.hu 
>[mailto:mencoder-users-bounces at mplayerhq.hu] On Behalf Of 
>GAEREMYNCK Matthieu
>Sent: Friday 22 September 2006 09:02
>To: MEncoder usage discussions
>Subject: RE: [MEncoder-users] FW: mplayer - problem recording sound
>
>Line and capture have been set to "capture" in the alsamixer.
>
>Hereby some more info from what is happening :
>
>mg at srvubu:~$ mencoder tv:// -tv
>driver=v4l2:width=320:height=240:forceaudio:volume=100 -ovc 
>lavc -oac copy -o output.avi MEncoder 
>2:0.99+1.0pre7try2+cvs20060117-0ubuntu8 (C) 2000-2006 MPlayer Team
>CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6,
>Stepping: 1)
>CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 
>SSE2: 0 Compiled with runtime CPU detection.
>93 audio & 211 video codecs
>success: format: 9  data: 0x0 - 0x0
>Selected driver: v4l2
>name: Video 4 Linux 2 input
>author: Martin Olschewski <olschewski at zpr.uni-koeln.de>
>comment: first try, more to come ;-)
>Selected device: BT878 video (Hauppauge (bt878)) Tuner cap:
>Tuner rxs: MONO
>Capabilites:  video capture  video overlay  VBI capture device 
> tuner read/write  streaming supported norms: 0 = PAL; 1 = 
>NTSC; 2 = SECAM; 3 = PAL-Nc; 4 = PAL-M; 5 = PAL-N; 6 = 
>NTSC-JP; 7 = PAL-60;
>inputs: 0 = Television; 1 = Composite1; 2 = S-Video; 3 = 
>Composite3; Current input: 0 Current format: YVU420
>v4l2: current audio mode is : MONO
>Audio block size too low, setting to 8192!
>[V] filefmt:9  fourcc:0x32315659  size:320x240  fps:25.00  
>ftime:=0.0400 Opening video filter: [expand osd=1]
>Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 
>===============================================================
>===========
>Opening video decoder: [raw] RAW Uncompressed Video
>VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
>VDec: using Planar YV12 as output csp (no 0) Movie-Aspect is 
>undefined - no prescaling applied.
>videocodec: libavcodec (320x240 fourcc=34504d46 [FMP4]) 
>Selected video codec: [rawyv12] vfm: raw (RAW YV12) 
>===============================================================
>===========
>Building audio filter chain for 44100Hz/1ch/s16le -> 0Hz/0ch/??...
>audiocodec: framecopy (format=1 chans=1 rate=44100 bits=16 B/s=88200
>sample-2)
>Forcing audio preload to 0, max pts correction to 0
>Writing header...1f ( 0%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
>ODML: Aspect information not (yet?) available or unspecified, 
>not writing vprp header.
>Writing header...
>ODML: Aspect information not (yet?) available or unspecified, 
>not writing vprp header.
>Pos:   3.1s     77f ( 0%) 21.06fps Trem:   0min   0mb  
>A-V:0.000 [959:705]]
>Flushing video frames
>Writing index...
>Writing header...
>ODML: Aspect information not (yet?) available or unspecified, 
>not writing vprp header.
>
>Video stream:  959.665 kbit/s  (119958 B/s)  size: 369471 
>bytes  3.080 secs
>77 frames
>
>Audio stream:  705.600 kbit/s  (88200 B/s)  size: 308700 bytes 
> 3.500 secs
>v4l2: 90 frames successfully processed, 0 frames dropped.
>
>
>***** so it seems I captured some audio ?
>
>
>mg at srvubu:~$ mplayer output.avi
>MPlayer 2:0.99+1.0pre8-0ubuntu4 (C) 2000-2006 MPlayer Team
>CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville 
>(Family: 6, Model: 
>8, Stepping: 1)
>CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0 
>Compiled with runtime CPU detection.
>
>
>93 audio & 211 video codecs
>Linux RTC init error in ioctl (rtc_irqp_set 1024): Permission 
>denied Try adding "echo 1024 > 
>/proc/sys/dev/rtc/max-user-freq" to your system startup scripts.
>Opening joystick device /dev/input/js0
>Can't open joystick device /dev/input/js0: No such file or 
>directory Can't init input joystick Setting up LIRC support...
>mplayer: could not connect to socket
>mplayer: No such file or directory
>Failed to open LIRC support.
>You will not be able to use your remote control.
>
>Playing output.avi.
>AVI file format detected.
>VIDEO:  [FMP4]  320x240  24bpp  25.000 fps  959.7 kbps (117.1 
>kbyte/s) Clip info:
>Software: MEncoder 2:0.99+1.0pre7try2+cvs20060117-0ubuntu8
>===============================================================
>===========
>Opening audio decoder: [pcm] Uncompressed PCM audio decoder
>AUDIO: 44100 Hz, 1 ch, s16le, 705.6 kbit/100.00% (ratio: 
>88200->88200) Selected audio codec: [pcm] afm: pcm 
>(Uncompressed PCM) 
>===============================================================
>===========
>===============================================================
>===========
>Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec 
>family Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg 
>MPEG-4) 
>===============================================================
>===========
>alsa-init: using device default
>alsa: 44100 Hz/1 channels/2 bpf/32768 bytes buffer/Signed 16 
>bit Little Endian
>AO: [alsa] 44100Hz 1ch s16le (2 bytes per sample) Starting playback...
>VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
>VDec: using Planar YV12 as output csp (no 0) Movie-Aspect is 
>1.33:1 - prescaling to correct movie aspect.
>VO: [xv] 320x240 => 320x240 Planar YV12
>alsa-uninit: pcm closed 0.004 ct:  0.000  71/ 71 27%  3%  1.2% 7 0
>
>
>When I play it it detetcts that there is audio but I still 
>don't hear anything. Did I record an empty audio track ?
>What am I doing wrong ?
>
>
>
>
>Sincerely,
>
>
>Matthieu Gaeremynck
>
>System Engineer
>>DF/MIS/SM
>>@PEOC (The Consortium)
>>
>>Rue de la Fusée, 96
>>B-1130 Brussels
>>Belgium
>>
>*:+32 2 729 31 38
>*: Matthieu.Gaeremynck at eurocontrol.int
>
> 
>
>>-----Original Message-----
>>From: mencoder-users-bounces at mplayerhq.hu
>>[mailto:mencoder-users-bounces at mplayerhq.hu] On Behalf Of RC
>>Sent: Thursday 21 September 2006 18:49
>>To: MEncoder usage discussions
>>Subject: Re: [MEncoder-users] FW: mplayer
>>
>>On Thu, 21 Sep 2006 16:10:30 +0200
>>Stefan Sassenberg <stefan.sassenberg at gmx.de> wrote:
>>
>>> "line" is probably the device you must select for capturing.
>>
>>Actually, both the "Line" *and* "Capture" devices must be set to 
>>"Captur" in alsamixer.
>>_______________________________________________
>>MEncoder-users mailing list
>>MEncoder-users at mplayerhq.hu
>>http://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>>
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Any views expressed in this message are those of the sender.