[Cin] HDV is really 4 channel?

[Terje J. Hanssen]

Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
> https://trac.ffmpeg.org/ticket/1258
>
> see attached to this ticket  modded decoder ...
>
> I wonder if Terje's audio really 4ch? if so,may be we can decode it to 
> 4* wav first, then encode them correctly to bluray lpcm / dvd pcm / 
> ac3 ...


I did leave out some "empty channels" to simplify and clean up the post. 
Here are the full ffprobe output for the HDV source (mediainfo was 
complete):

    ffprobe -hide_banner hdv07_05.m2t
    [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
         Last message repeated 7 times
    [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream
    2 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
    Consider increasing the value for the 'analyzeduration' (0) and
    'probesize' (5000000) options
    [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream
    3 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
    Consider increasing the value for the 'analyzeduration' (0) and
    'probesize' (5000000) options
    Input #0, mpegts, from 'hdv07_05.m2t':
       Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
       Program 100
       Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] /
    0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
    16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
         Side data:
           cpb: bitrate max/min/avg: 25000000/0/0 buffer size: 7340032
    vbv_delay: N/A
       Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
    stereo, fltp, 384 kb/s
       Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
       Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
    Unsupported codec with id 0 for input stream 2
    Unsupported codec with id 0 for input stream 3




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