[FFmpeg-user] Piping output of ffmpeg into ffmbc

[Paul B Mahol]

On 8/18/16, Keith Reilly <kreilly at retroreport.com> wrote:
> I use ffmbc to create Avid supported files for fast import (ffmpeg doesn't
> do this). ffmbc is behind in development so there are codecs it cannot read
> that i need it to. My solution is to simply read the file with ffmpeg and
> pass it on to ffmbc via standard output that way i can make Avid media with
> anything ffmpeg reads. However i have an issue. I do not get the whole
> video converted.
>
>  I'm running on Mac os 10.11.6 ffmpeg was installed with macports, ffmbc
> from source. The video is about 1 hour 27 min long, i get roughly 5 minutes
> of the imx50 file that is perfect except for the missing hour and 22min.
>
> console input:
> ffmpeg -i _Youtube.webm -c:v rawvideo -c:a pcm_s16le -f avi pipe:1 | ffmbc
> -i pipe:0 -r 29.97 -target imx50 _Youtube.mxf
>
> output:
>
> ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
>
>   built with Apple LLVM version 7.3.0 (clang-703.0.31)
>
>   configuration: --prefix=/opt/local --enable-swscale --enable-avfilter
> --enable-avresample --enable-libmp3lame --enable-libvorbis --enable-libopus
> --enable-libtheora --enable-libschroedinger --enable-libopenjpeg
> --enable-libmodplug --enable-libvpx --enable-libsoxr --enable-libspeex
> --enable-libass --enable-libbluray --enable-lzma --enable-gnutls
> --enable-fontconfig --enable-libfreetype --enable-libfribidi
> --disable-indev=jack --disable-outdev=xv --mandir=/opt/local/share/man
> --enable-shared --enable-pthreads --cc=/usr/bin/clang --enable-vda
> --enable-audiotoolbox --enable-videotoolbox --arch=x86_64 --enable-yasm
> --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid
>
>   libavutil      55. 28.100 / 55. 28.100
>
>   libavcodec     57. 48.101 / 57. 48.101
>
>   libavformat    57. 41.100 / 57. 41.100
>
>   libavdevice    57.  0.101 / 57.  0.101
>
>   libavfilter     6. 47.100 /  6. 47.100
>
>   libavresample   3.  0.  0 /  3.  0.  0
>
>   libswscale      4.  1.100 /  4.  1.100
>
>   libswresample   2.  1.100 /  2.  1.100
>
>   libpostproc    54.  0.100 / 54.  0.100
>
> FFmbc version 0.7.4
>
> Copyright (c) 2008-2015 Baptiste Coudurier and the FFmpeg developers
>
> Input #0, matroska,webm, from '/Volumes/RR295-KENNEDY_1/_Youtube.webm':
>
>   Metadata:
>
>     encoder         : Lavf56.1.0
>
>   Duration: 01:27:33.64, start: 0.000000, bitrate: 480 kb/s
>
>     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv), 640x480, SAR 1:1
> DAR 4:3, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc (default)
>
>     Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default)
>
> [avi @ 0x7fcd6c83f000] Using AVStream.codec to pass codec parameters to
> muxers is deprecated, use AVStream.codecpar instead.
>
>     Last message repeated 1 times
>
> Output #0, avi, to 'pipe:1':
>
>   Metadata:
>
>     ISFT            : Lavf57.41.100
>
>     Stream #0:0(eng): Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480
> [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
> (default)
>
>     Metadata:
>
>       encoder         : Lavc57.48.101 rawvideo
>
>     Stream #0:1(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> stereo, s16, 1411 kb/s (default)
>
>     Metadata:
>
>       encoder         : Lavc57.48.101 pcm_s16le
>
> Stream mapping:
>
>   Stream #0:0 -> #0:0 (vp9 (native) -> rawvideo (native))
>
>   Stream #0:1 -> #0:1 (vorbis (native) -> pcm_s16le (native))
>
> Press [q] to stop, [?] for help
>
> Input #0, avi, from 'pipe:0':
>
>   Metadata:
>
>     encoder: Lavf57.41.100
>
>   Duration: 9951:59:45.52, bitrate: N/A
>
>     Stream #0.0(und): Video: rawvideo, yuv420p, 640x480p, PAR 1:1 DAR 4:3,
> 29.97 fps
>
>     Stream #0.1(und): Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
>
> [scale @ 0x7fde69c03a00] w:640 h:480 fmt:yuv420p -> w:640 h:480 fmt:yuv422p
> flags:0x4 il:0
>
> Auto-rescaling to imx50 resolution
>
> [scale @ 0x7fde69c038a0] w:640 h:480 fmt:yuv420p -> w:720 h:486 fmt:yuv422p
> flags:0x4 il:-1
>
> [pad @ 0x7fde69c03cc0] w:720 h:486 -> w:720 h:512 x:0 y:26
> color:0x108080FF[yuva]
>
> Output #0, mxf_d10, to '/Volumes/RR295-KENNEDY_1/_Youtube.mxf':
>
>   Metadata:
>
>     encoder: FFmbc 0.7
>
>     Stream #0.0(und): Video: mpeg2video, yuv422p, 720x512i tff [PAR 128:135
> DAR 4:3], cbr, 50000 kb/s, 29.97 fps
>
>     Stream #0.1(und): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
>
> Stream mapping:
>
>   Stream #0.0 -> #0.0
>
>   Stream #0.1 -> #0.1
>
> frame=157451 fps=212 q=-0.0 Lsize=71762491kB time=01:27:33.64
> bitrate=111899.2kbits/s speed=7.09x
>
> video:70852950kB audio:905022kB subtitle:0kB other streams:0kB global
> headers:0kB muxing overhead: 0.006298%
>
> frame= 9202 fps= 12 q=1.0 Lsize= 2346517kB time=00:05:07.04
> bitrate=62606.4kbits/s
>
> video:1874018kB audio:57571kB global headers:0kB muxing overhead 21.481172%
>
> Homicidal-Psycho-Jungle-Cat: keithreilly$

Not our bug.