[FFmpeg-user] Record H264 webcam with DirectShow

Tue Aug 29 01:44:49 EEST 2017

hmm wonder what types those pins are broadcasting :|

On 7/29/17, Aviv Hurvitz <aviv.hurvitz at gmail.com> wrote:
> Now with debug output:
>
>>ffmpeg -y -f dshow -video_size 640x480 -vcodec h264 -framerate 30 -report
> -loglevel trace -rtbufsize 100M  -i video="Microsoft LifeCam Front" -vcodec
> copy -copyinkf  out1.mp4
> ffmpeg started on 2017-07-29 at 11:22:40
> Report written to "ffmpeg-20170729-112240.log"
> ffmpeg version N-86848-g03a9e6f Copyright (c) 2000-2017 the FFmpeg
> developers
>   built with gcc 7.1.0 (GCC)
>   configuration: --enable-gpl --enable-version3 --enable-cuda
> --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx
> --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig
> --enable-frei0r --enable-gnutls --enable-iconv --enable-libass
> --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype
> --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
> --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora
> --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
> --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
> --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
> --enable-libzimg --enable-lzma --enable-zlib
>   libavutil      55. 68.100 / 55. 68.100
>   libavcodec     57.102.100 / 57.102.100
>   libavformat    57. 76.100 / 57. 76.100
>   libavdevice    57.  7.100 / 57.  7.100
>   libavfilter     6. 95.100 /  6. 95.100
>   libswscale      4.  7.101 /  4.  7.101
>   libswresample   2.  8.100 /  2.  8.100
>   libpostproc    54.  6.100 / 54.  6.100
> Splitting the commandline.
> Reading option '-y' ... matched as option 'y' (overwrite output files) with
> argument '1'.
> Reading option '-f' ... matched as option 'f' (force format) with argument
> 'dshow'.
> Reading option '-video_size' ... matched as AVOption 'video_size' with
> argument '640x480'.
> Reading option '-vcodec' ... matched as option 'vcodec' (force video codec
> ('copy' to copy stream)) with argument 'h264'.
> Reading option '-framerate' ... matched as AVOption 'framerate' with
> argument '30'.
> Reading option '-report' ... matched as option 'report' (generate a report)
> with argument '1'.
> Reading option '-loglevel' ... matched as option 'loglevel' (set logging
> level) with argument 'trace'.
> Reading option '-rtbufsize' ... matched as AVOption 'rtbufsize' with
> argument '100M'.
> Reading option '-i' ... matched as input url with argument 'video=Microsoft
> LifeCam Front'.
> Reading option '-vcodec' ... matched as option 'vcodec' (force video codec
> ('copy' to copy stream)) with argument 'copy'.
> Reading option '-copyinkf' ... matched as option 'copyinkf' (copy initial
> non-keyframes) with argument '1'.
> Reading option 'out1.mp4' ... matched as output url.
> Finished splitting the commandline.
> Parsing a group of options: global .
> Applying option y (overwrite output files) with argument 1.
> Applying option report (generate a report) with argument 1.
> Applying option loglevel (set logging level) with argument trace.
> Successfully parsed a group of options.
> Parsing a group of options: input url video=Microsoft LifeCam Front.
> Applying option f (force format) with argument dshow.
> Applying option vcodec (force video codec ('copy' to copy stream)) with
> argument h264.
> Successfully parsed a group of options.
> Opening an input file: video=Microsoft LifeCam Front.
> [dshow @ 0000000002643500] Selecting pin Capture on video
> [dshow @ 0000000002643500] Could not RenderStream to connect pins
> video=Microsoft LifeCam Front: I/O error
>
>
>
> On Fri, Jul 28, 2017 at 8:06 PM, Aviv Hurvitz <aviv.hurvitz at gmail.com>
> wrote:
>
>> I’m on a Surface Pro 3 running Windows 10. Trying to record an mp4 from a
>> native H.264 stream.
>>
>> The H.264 video sources are on the second “pin” and I suspect that’s the
>> problem. But the first and second pins have the same name, so I don’t know
>> how to specify them. I was able to record from the first “pin” by removing
>> the “-vcodech264”.
>> Here are commands:
>>
>>
>>
>>
>>
>> >>>>>ffmpeg -list_options true -f dshow -i video="Microsoft LifeCam Front"
>>
>>
>>
>> ffmpeg version N-86848-g03a9e6f Copyright (c) 2000-2017 the FFmpeg
>> developers
>>
>> built with gcc 7.1.0 (GCC)
>>
>> configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid
>> --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc
>> --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
>> --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
>> --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
>> --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
>> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
>> --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy
>> --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame
>> --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis
>> --enable-libvpx --enable-libwavpack --enable-libwebp
>> --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
>> --enable-libzimg --enable-lzma --enable-zlib
>>
>> libavutil 55. 68.100 / 55. 68.100
>>
>> libavcodec 57.102.100 / 57.102.100
>>
>> libavformat 57. 76.100 / 57. 76.100
>>
>> libavdevice 57. 7.100 / 57. 7.100
>>
>> libavfilter 6. 95.100 / 6. 95.100
>>
>> libswscale 4. 7.101 / 4. 7.101
>>
>> libswresample 2. 8.100 / 2. 8.100
>>
>> libpostproc 54. 6.100 / 54. 6.100
>>
>> [dshow @ 0000000000df6ce0] DirectShow video device options (from video
>> devices)
>>
>> [dshow @ 0000000000df6ce0] Pin "Capture" (alternative pin name "Capture")
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=640x360 fps=15 max
>> s=640x360 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=640x480 fps=15 max
>> s=640x480 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=480x270 fps=15 max
>> s=480x270 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=424x240 fps=15 max
>> s=424x240 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=320x240 fps=15 max
>> s=320x240 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=320x180 fps=15 max
>> s=320x180 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=160x120 fps=15 max
>> s=160x120 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=848x480 fps=15 max
>> s=848x480 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=1920x1080 fps=15 max
>> s=1920x1080 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=1280x720 fps=15 max
>> s=1280x720 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=960x540 fps=15 max
>> s=960x540 fps=30
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=2592x1944 fps=15 max
>> s=2592x1944 fps=15
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=2592x1728 fps=15 max
>> s=2592x1728 fps=15
>>
>> [dshow @ 0000000000df6ce0] pixel_format=yuyv422 min s=1296x864 fps=15 max
>> s=1296x864 fps=30
>>
>> [dshow @ 0000000000df6ce0] Pin "Capture" (alternative pin name "Capture")
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=1920x1080 fps=15 max
>> s=1920x1080 fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=1280x720 fps=15 max
>> s=1280x720 fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=960x540 fps=15 max s=960x540
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=848x480 fps=15 max s=848x480
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=640x480 fps=15 max s=640x480
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=640x360 fps=15 max s=640x360
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=480x270 fps=15 max s=480x270
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=424x240 fps=15 max s=424x240
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=320x240 fps=15 max s=320x240
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=320x180 fps=15 max s=320x180
>> fps=30
>>
>> [dshow @ 0000000000df6ce0] vcodec=h264 min s=160x120 fps=15 max s=160x120
>> fps=30
>>
>> video=Microsoft LifeCam Front: Immediate exit requested
>>
>>
>>
>> >>>>ffmpeg -y -f dshow -video_size 640x480 -vcodec h264 -framerate 30
>> -report -rtbufsize 100M -i video="Microsoft LifeCam Front" -vcodec copy
>> -copyinkf out1.mp4
>>
>>
>>
>> ffmpeg started on 2017-07-28 at 19:51:23
>>
>> Report written to "ffmpeg-20170728-195123.log"
>>
>> ffmpeg version N-86848-g03a9e6f Copyright (c) 2000-2017 the FFmpeg
>> developers
>>
>> built with gcc 7.1.0 (GCC)
>>
>> configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid
>> --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc
>> --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
>> --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
>> --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
>> --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
>> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
>> --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy
>> --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame
>> --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis
>> --enable-libvpx --enable-libwavpack --enable-libwebp
>> --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
>> --enable-libzimg --enable-lzma --enable-zlib
>>
>> libavutil 55. 68.100 / 55. 68.100
>>
>> libavcodec 57.102.100 / 57.102.100
>>
>> libavformat 57. 76.100 / 57. 76.100
>>
>> libavdevice 57. 7.100 / 57. 7.100
>>
>> libavfilter 6. 95.100 / 6. 95.100
>>
>> libswscale 4. 7.101 / 4. 7.101
>>
>> libswresample 2. 8.100 / 2. 8.100
>>
>> libpostproc 54. 6.100 / 54. 6.100
>>
>> [dshow @ 00000000025a34c0] Could not RenderStream to connect pins
>>
>> video=Microsoft LifeCam Front: I/O error
>>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".