streamer Captures Video But No Sound

From: Scarletdown (gsutton9503_at_wavecable.com)
Date: 10/30/04

  • Next message: Andrei Badea: "Re: x cdroast" 
    To: debian-user@lists.debian.org
Date: Sat, 30 Oct 2004 01:52:18 -0700

    I'm having problems with an app called streamer. It is a part of xawtv,
    and it is supposed to allow for the capture of video and audio streams
    through a TV tuner card. I can get video captured and saved just fine,
    but I can't get sound. My capture card (Mach-TV) uses the bt878
    chipset.

    Here is the sequence of commands I use to capture the input from the TV
    or VCR...

        streamer -t 0:30 -s 704x480 -r 24 -o movie.avi -f mjpeg -F stereo
        lav2wav +n movie.avi | mp2enc -o audio.mp2
        lav2yuv +n movie.avi | mpeg2enc -o video.m1v
        mplex audio.mp2 video.m1v -o movie.mpg

    The problem manifests when I run lav2wav. Here is the output I get from
    it...

       INFO: [lav2wav] Norm set to NTSC
       INFO: [mp2enc] Opened WAV file, freq = 44100 Hz, channels = 2, bits =
    16
       INFO: [mp2enc] format = 0x1, audio length = 2147483392 bytes
       INFO: [mp2enc] slots/frame = 731
       INFO: [mp2enc] frac SpF=0.429, tot bitrate=224 kbps, s freq=44.1 kHz
       INFO: [mp2enc] Fractional number of slots, padding required
       INFO: [mp2enc] System is little endian
    **ERROR: [lav2wav] rewind failed - wav-header is corrupt
       INFO: [mp2enc] Avg slots/frame = inf; b/smp = inf; br = inf kbps
       INFO: [mp2enc] Encoding with psychoacoustic model 2 is finished
       INFO: [mp2enc] The MPEG encoded output file name is "audio.mp2"

    What is causing that error, and how can I fix it? If it is not easily
    fixable, what other tools can be used for capturing video and audio
    from the TV or VCR? 

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