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• avconv on debian jessie throws error when trying to convert raw video to mp4

  20 août 2017, par Vinay Divakar

  I am trying to convert a raw video captured using a Logitech USB Cam(YUYV) to mp4 using avconv. I have tried the below to do so :

  avconv -i out.raw -c copy output.mp4
  
  avconv -i out.raw -vcodec copy -acodec copy output.mp4

  but I get an error as shown below.

  root@beaglebone:~/BBB_CV/boneCV# avconv -i out.raw -c copy output.mp4
  
  avconv version 11.9-6:11.9-1~deb8u1, Copyright (c) 2000-2017 the Libav developersbuilt on Apr 23 2017 23:00:54 with gcc 4.9.2 (Debian 4.9.2-10)
  
  out.raw: Invalid data found when processing input

  I have checked here, but did not find any relevant examples for the above purpose.

  Edit : Added more details—

  I tried doing the below by adding the infile options as suggested :

  root@beaglebone:~/BBB_CV/boneCV# avconv -s 640x480 -framerate 30 -pix_fmt yuyv422 -f rawvideo -i out.raw -c copy output.mp4

  This got me rid of the previous error and some new ones popped up as shown below.

  root@beaglebone:~/BBB_CV/boneCV# avconv -s 640x480 -framerate 30 -pix_fmt yuyv422 -f rawvideo -i out.raw -c copy output.mp4
  
  avconv version 11.9-6:11.9-1~deb8u1, Copyright (c) 2000-2017 the Libav 
  
  developers built on Apr 23 2017 23:00:54 with gcc 4.9.2 (Debian 4.9.2-10)
  
  [rawvideo @ 0x17e21c0] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, rawvideo, from 'out.raw':
  
  Duration: N/A, start: 0.000000, bitrate: N/A
  
  Stream #0.0: Video: rawvideo, yuyv422, 640x480, 30 tbn
  
  [mp4 @ 0x17eb840] Codec for stream 0 does not use global headers but 
  
  container format requires global headers
  
  [mp4 @ 0x17eb840] track 0: could not find tag, codec not currently 
  
  supported in container
  
  Output #0, mp4, to 'output.mp4':
  
  Metadata:
  
  encoder         : Lavf56.1.0
  
  Stream #0.0: Video: rawvideo, yuyv422, 640x480, q=2-31, 30 tbn, 30 tbc
  
  Stream mapping:
  
  Stream #0:0 -> #0:0 (copy)
  
  Could not write header for output file #0 (incorrect codec parameters ?): 
  
  Operation not permitted

  The output.mp4 is being generated but when tried to open it throws an error.

  Edit : I ran a "sudo apt-get install libav-tools" an then tried. This is what I got.

  root@beaglebone:~/BBB_CV/boneCV# avconv -s 640x480 -framerate 30 -pix_fmt 
  
  yuyv422 -f rawvideo -i out.raw -c copy output.mp4
  
  ffmpeg version 2.6.9 Copyright (c) 2000-2016 the FFmpeg developers
  
  built with gcc 4.9.2 (Debian 4.9.2-10)
  
  configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-
  
   strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' 
  
     -cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-
  
      nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-
  
      libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-
  
      libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
  
      libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-
  
      libvpx --enable-libschroedinger --disable-encoder=libschroedinger --
  
      enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter -
  
      enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-
  
     libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/arm-linux-gnueabihf -
  
     -disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-
  
     frei0r --enable-openssl --enable-libass --enable-libopus --enable-
  
     fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --
  
     disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample 
  
     --disable-htmlpages --disable-podpages --enable-libutvideo --enable-
  
     libfdk-aac --enable-libx265 --enable-libiec61883 --enable-libdc1394 --
  
     disable-altivec --shlibdir=/usr/lib/arm-linux-gnueabihf
  
     libavutil      54. 20.100 / 54. 20.100
  
     libavcodec     56. 26.100 / 56. 26.100
  
     libavformat    56. 25.101 / 56. 25.101
  
     libavdevice    56.  4.100 / 56.  4.100
  
     libavfilter     5. 11.102 /  5. 11.102
  
     libavresample   2.  1.  0 /  2.  1.  0
  
     libswscale      3.  1.101 /  3.  1.101
  
     libswresample   1.  1.100 /  1.  1.100
  
     libpostproc    53.  3.100 / 53.  3.100
  
    [rawvideo @ 0x18465e0] Estimating duration from bitrate, this may be 
  
     inaccurate
  
     Input #0, rawvideo, from 'out.raw':
  
     Duration: 00:00:00.10, start: 0.000000, bitrate: 146626 kb/s
  
     Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 
  
     kb/s, 30 tbr, 30 tbn, 30 tbc
  
     [mp4 @ 0x184f790] Could not find tag for codec rawvideo in stream #0, 
  
     codec not currently supported in container
  
     Output #0, mp4, to 'output.mp4':
  
     Metadata:
  
     encoder         : Lavf56.25.101
  
     Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, q=2-
  
     31, 147456 kb/s, 30 tbr, 30 tbn, 30 tbc
  
     Stream mapping:
  
     Stream #0:0 -> #0:0 (copy)
  
     Could not write header for output file #0 (incorrect codec parameters ?): 
  
     Invalid argument

  I ran "ffmpeg -s 640x480 -framerate 30 -pix_fmt yuv420p -f rawvideo -i out.raw output.mp4" and below is what I got.

  root@beaglebone:~/BBB_CV/boneCV# ffmpeg -s 640x480 -framerate 30 -pix_fmt yuv420p -f rawvideo -i out.raw output.mp4
  
  ffmpeg version 2.6.9 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.9.2 (Debian 4.9.2-10)
  
    configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/arm-linux-gnueabihf --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/arm-linux-gnueabihf
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 11.102 /  5. 11.102
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  [rawvideo @ 0x1d55e0] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, rawvideo, from 'out.raw':
  
    Duration: 00:00:00.13, start: 0.000000, bitrate: 109969 kb/s
  
      Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480, 110592 kb/s, 30 tbr, 30 tbn, 30 tbc
  
  [libx264 @ 0x1df6c0] using cpu capabilities: ARMv6 NEON
  
  [libx264 @ 0x1df6c0] profile High, level 3.0
  
  [libx264 @ 0x1df6c0] 264 - core 146 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'output.mp4':
  
    Metadata:
  
      encoder         : Lavf56.25.101
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 30 fps, 15360 tbn, 30 tbc
  
      Metadata:
  
        encoder         : Lavc56.26.100 libx264
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [rawvideo @ 0x1de3a0] Invalid buffer size, packet size 450428 < expected frame_size 460800
  
  Error while decoding stream #0:0: Invalid argument
  
  frame=    3 fps=1.7 q=29.0 Lsize=     263kB time=00:00:00.03 bitrate=64692.6kbits/s    
  
  video:262kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.318205%
  
  [libx264 @ 0x1df6c0] frame I:1     Avg QP:33.09  size:100676
  
  [libx264 @ 0x1df6c0] frame P:2     Avg QP:32.99  size: 83672
  
  [libx264 @ 0x1df6c0] mb I  I16..4:  0.0% 95.4%  4.6%
  
  [libx264 @ 0x1df6c0] mb P  I16..4:  0.0% 45.7%  3.0%  P16..4: 35.9% 10.7%  4.8%  0.0%  0.0%    skip: 0.0%
  
  [libx264 @ 0x1df6c0] 8x8 transform intra:94.6% inter:86.1%
  
  [libx264 @ 0x1df6c0] coded y,uvDC,uvAC intra: 100.0% 100.0% 100.0% inter: 53.6% 100.0% 100.0%
  
  [libx264 @ 0x1df6c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 56% 12% 24%  2%  0%  1%  1%  2%  3%
  
  [libx264 @ 0x1df6c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 82% 11%  4%  0%  0%  0%  1%  0%  1%
  
  [libx264 @ 0x1df6c0] i8c dc,h,v,p: 48% 30% 14%  7%
  
  [libx264 @ 0x1df6c0] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x1df6c0] ref P L0: 83.5%  7.9%  8.6%
  
  [libx264 @ 0x1df6c0] kb/s:21441.60

• Ffmpeg/Fluent-Ffmpeg : Output file #0 does not contain any stream

  16 août 2017, par Code Sherpa

  Use Case

  When a user records an audio file and uploads to firebase storage, run a trigger that crops a clip of that file and saves it to a "preview" directory.

  Problem

  Getting Output file #0 does not contain any stream after static .AAC file is downloaded to temp directory and ffmpeg command is run.

  Environment

  • mac client / firebase storage
  • node v8.1.0
  • ffmpeg v3.2.2
  • fluent-ffmpeg v2.1.2

  Node Code

    var command = new ffmpeg({ source: tempFilePath, timeout: 0 })
  
        .setFfmpegPath(ffmpegPath)
  
        .setFfprobePath(ffprobePath)
  
        .inputOption('-t', '10')
  
        .inputOption('-ss', '10')
  
        .outputOption('-acodec', 'copy')
  
        .on('start', function(commandLine) {
  
              console.log('Spawned Ffmpeg with command: ', commandLine);
  
         })
  
        .on('end', function() {
  
            console.log('Preview file cropping done successfully');
  
         })
  
        .on('error', function(err, stdout, stderr) {
  
            var build = err;
  
            if (!stdout === '') { build = build + '\n' + stdout; }
  
            build = build + '\n' + stderr;
  
  
  
            console.log(build);
  
         }).save(tempFilePath);

  Ffmpeg Command

  Spawned Ffmpeg with command : ffmpeg -t 10 -ss 10 -i
  /tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac -y -acodec
  copy /tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac

  Debug Output From Firebase

  Error : ffmpeg exited with code 1 : Output #0, adts, to
  ’/tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac’ : Output
  file #0 does not contain any stream

  ffmpeg version 3.2.2-static http://johnvansickle.com/ffmpeg/
  Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.1
  (Debian 5.4.1-4) 20161202 configuration : —enable-gpl
  —enable-version3 —enable-static —disable-debug —disable-ffplay —disable-indev=sndio —disable-outdev=sndio —cc=gcc-5 —enable-fontconfig —enable-frei0r —enable-gnutls —enable-gray —enable-libass —enable-libfreetype —enable-libfribidi —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libvidstab —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxvid —enable-libzimg libavutil 55. 34.100 / 55. 34.100 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.100 / 57. 56.100 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 /
  4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 [aac @ 0x3a00e60] Format aac detected only with low score of 1, misdetection possible ! [aac @ 0x3a00e60] Could
  not find codec parameters for stream 0 (Audio : aac, 0 channels, fltp) :
  unspecified sample rate Consider increasing the value for the
  ’analyzeduration’ and ’probesize’ options
  /tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac : could not
  seek to position 10.000 Input #0, aac, from
  ’/tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac’ :
  Duration : N/A, bitrate : N/A
  Stream #0:0 : Audio : aac, 0 channels, fltp Output #0, adts, to ’/tmp/2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac’ : Output
  file #0 does not contain any stream

  Console Output

  | $ ffmpeg -t 10 -ss 10 -i 2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac -y -acodec aac
  output_file.aac

  ffmpeg version 3.2.2 Copyright (c) 2000-2016 the
  FFmpeg developers built with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
  configuration : —prefix=/Volumes/Ramdisk/sw —enable-gpl
  —enable-pthreads —enable-version3 —enable-libspeex —enable-libvpx —disable-decoder=libvpx —enable-libmp3lame —enable-libtheora —enable-libvorbis —enable-libx264 —enable-avfilter —enable-libopencore_amrwb —enable-libopencore_amrnb —enable-filters —enable-libgsm —enable-libvidstab —enable-libx265 —disable-doc —arch=x86_64 —enable-runtime-cpudetect libavutil 55. 34.100 / 55. 34.100 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.100 / 57. 56.100 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 /
  4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 [aac @ 0x7fac6c800a00] Estimating duration from bitrate, this may be inaccurate Input #0, aac, from
  ’2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac’ : Duration :
  00:01:07.71, bitrate : 223 kb/s
  Stream #0:0 : Audio : aac (LC), 44100 Hz, stereo, fltp, 277 kb/s Output #0, adts, to ’output_file.aac’ : Metadata :
  encoder : Lavf57.56.100
  Stream #0:0 : Audio : aac (LC), 44100 Hz, stereo, fltp, 128 kb/s
  Metadata :
  encoder : Lavc57.64.101 aac Stream mapping : Stream #0:0 -> #0:0 (aac (native) -> aac (native)) Press [q] to stop, [?] for help size= 159kB time=00:00:10.00 bitrate= 130.5kbits/s
  speed=12.7x video:0kB audio:156kB subtitle:0kB other streams:0kB
  global headers:0kB muxing overhead : 1.887004% [aac @ 0x7fac6d004600]
  Qavg : 383.548

  Origin File Format

  $ ffprobe -show_format
  2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac

  ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developers
  built with llvm-gcc 4.2.1 (LLVM build 2336.11.00) configuration :
  —prefix=/Volumes/Ramdisk/sw —enable-gpl —enable-pthreads —enable-version3 —enable-libspeex —enable-libvpx —disable-decoder=libvpx —enable-libmp3lame —enable-libtheora —enable-libvorbis —enable-libx264 —enable-avfilter —enable-libopencore_amrwb —enable-libopencore_amrnb —enable-filters —enable-libgsm —enable-libvidstab —enable-libx265 —disable-doc —arch=x86_64 —enable-runtime-cpudetect libavutil 55. 34.100 / 55. 34.100 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.100 / 57. 56.100 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 /
  4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 [aac @ 0x7fefbd001400] Estimating duration from bitrate, this may be inaccurate Input #0, aac, from
  ’2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac’ : Duration :
  00:01:07.71, bitrate : 223 kb/s
  Stream #0:0 : Audio : aac (LC), 44100 Hz, stereo, fltp, 223 kb/s [FORMAT]
  filename=2EB100B0-6C1E-4D51-9087-764CA653AFC720170711232034.aac
  nb_streams=1 nb_programs=0 format_name=aac format_long_name=raw ADTS
  AAC (Advanced Audio Coding) start_time=N/A duration=67.706333
  size=1892392 bit_rate=223599 probe_score=51 [/FORMAT]

  Output File Format

  $ ffprobe -show_format output_file.aac ffprobe version 3.2.2 Copyright
  (c) 2007-2016 the FFmpeg developers built with llvm-gcc 4.2.1 (LLVM
  build 2336.11.00) configuration : —prefix=/Volumes/Ramdisk/sw
  —enable-gpl —enable-pthreads —enable-version3 —enable-libspeex —enable-libvpx —disable-decoder=libvpx —enable-libmp3lame —enable-libtheora —enable-libvorbis —enable-libx264 —enable-avfilter —enable-libopencore_amrwb —enable-libopencore_amrnb —enable-filters —enable-libgsm —enable-libvidstab —enable-libx265 —disable-doc —arch=x86_64 —enable-runtime-cpudetect libavutil 55. 34.100 / 55. 34.100 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.100 /
  57. 56.100 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 / 4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 /
  54. 1.100 [aac @ 0x7fa904802a00] Estimating duration from bitrate, this may be inaccurate Input #0, aac, from ’output_file.aac’ :
  Duration : 00:00:09.45, bitrate : 138 kb/s
  Stream #0:0 : Audio : aac (LC), 44100 Hz, stereo, fltp, 138 kb/s [FORMAT] filename=output_file.aac nb_streams=1 nb_programs=0
  format_name=aac format_long_name=raw ADTS AAC (Advanced Audio Coding)
  start_time=N/A duration=9.454635 size=163278 bit_rate=138156
  probe_score=51 [/FORMAT]

  Comments & Observations

  • I am able to run the ffmpeg command (provided above) locally and get the results I want.

  • The origin file is AAC. I have verified that it is, indeed, an AAC file and not a different file type masquerading as an AAC.

  • The output file format appears as audio/x-aac in firebase. I would expect it to be the same as the origin file - audio/aac.

• ffmpeg how to encode first then use it for another output

  10 août 2017, par mahdi gh

  I’m trying to capture screen with gdigrab and combine int with a sound and then send it on my decklink sdi device.

  here is my code to capture :

  ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i title="Play" -f dshow -i audio="CABLE Output (VB-Audio Virtual Cable)" -af aresample=resampler=soxr -ar 48000 -acodec pcm_s16le -ac 2 -c:v libx264 -qp 0 -preset ultrafast "output.avi"

  here is my code for output to ffmpeg :

  ffmpeg -i output.avi -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)"

  this way it works, but when I combine these two arguments to send the output to decklink card on the fly, ffmpeg stops working. here is the combination code :

  ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i title="Play" -f dshow -i audio="CABLE Output (VB-Audio Virtual Cable)" -af aresample=resampler=soxr -ar 48000 -acodec pcm_s16le -ac 2  -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)"

  I have tried so many different combinations but no luck. it works only if i store it on a file then use that file as input. Is there a way to tell ffmpeg to use the result of first command as input of second command ?

  Thanks

  Update :
  Here is log report :

      ffmpeg started on 2017-08-08 at 12:26:36
  
  Report written to "ffmpeg-20170808-122636.log"
  
  Command line:
  
  ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i "title=Play" -c:v rawvideo -f dshow -i "audio=CABLE Output (VB-Audio Virtual Cable)" -af "aresample=resampler=soxr" -ar 48000 -acodec pcm_s16le -ac 2 -map 0:v:0 -map 1:a:0 -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)" -report
  
  ffmpeg version N-71608-ga924b83 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  
    libavutil      54. 23.101 / 54. 23.101
  
    libavcodec     56. 35.101 / 56. 35.101
  
    libavformat    56. 30.100 / 56. 30.100
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 14.100 /  5. 14.100
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Splitting the commandline.
  
  Reading option '-framerate' ... matched as AVOption 'framerate' with argument '25'.
  
  Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '512'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'gdigrab'.
  
  Reading option '-i' ... matched as input file with argument 'title=Play'.
  
  Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'rawvideo'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'dshow'.
  
  Reading option '-i' ... matched as input file with argument 'audio=CABLE Output (VB-Audio Virtual Cable)'.
  
  Reading option '-af' ... matched as option 'af' (set audio filters) with argument 'aresample=resampler=soxr'.
  
  Reading option '-ar' ... matched as option 'ar' (set audio sampling rate (in Hz)) with argument '48000'.
  
  Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'pcm_s16le'.
  
  Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '2'.
  
  Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:v:0'.
  
  Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '1:a:0'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'decklink'.
  
  Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel format) with argument 'uyvy422'.
  
  Reading option 'DeckLink SDI (2)' ... matched as output file.
  
  Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option report (generate a report) with argument 1.
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input file title=Play.
  
  Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 512.
  
  Applying option f (force format) with argument gdigrab.
  
  Successfully parsed a group of options.
  
  Opening an input file: title=Play.
  
  [gdigrab @ 0000000002d3f2a0] Found window Play, capturing 720x576x32 at (0,0)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (588,602) -> (-271,597)
  
  [gdigrab @ 0000000002d3f2a0] All info found
  
  Input #0, gdigrab, from 'title=Play':
  
    Duration: N/A, start: 1502178996.958615, bitrate: 331786 kb/s
  
      Stream #0:0, 1, 1/1000000: Video: bmp, bgra, 720x576, 331786 kb/s, 25 tbr, 1000k tbn, 25 tbc
  
  Successfully opened the file.
  
  Parsing a group of options: input file audio=CABLE Output (VB-Audio Virtual Cable).
  
  Applying option c:v (codec name) with argument rawvideo.
  
  Applying option f (force format) with argument dshow.
  
  Successfully parsed a group of options.
  
  Opening an input file: audio=CABLE Output (VB-Audio Virtual Cable).
  
  [dshow @ 0000000002d3c340] Selecting pin Capture on audio only
  
  dshow passing through packet of type audio size  88200 timestamp 111632750000 orig timestamp 111632750000
  
  [dshow @ 0000000002d3c340] All info found
  
  Guessed Channel Layout for  Input Stream #1.0 : stereo
  
  Input #1, dshow, from 'audio=CABLE Output (VB-Audio Virtual Cable)':
  
    Duration: N/A, start: 11163.275000, bitrate: 1411 kb/s
  
      Stream #1:0, 1, 1/10000000: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
  
  Successfully opened the file.
  
  Parsing a group of options: output file DeckLink SDI (2).
  
  Applying option af (set audio filters) with argument aresample=resampler=soxr.
  
  Applying option ar (set audio sampling rate (in Hz)) with argument 48000.
  
  Applying option acodec (force audio codec ('copy' to copy stream)) with argument pcm_s16le.
  
  Applying option ac (set number of audio channels) with argument 2.
  
  Applying option map (set input stream mapping) with argument 0:v:0.
  
  Applying option map (set input stream mapping) with argument 1:a:0.
  
  Applying option f (force format) with argument decklink.
  
  Applying option pix_fmt (set pixel format) with argument uyvy422.
  
  Successfully parsed a group of options.
  
  Opening an output file: DeckLink SDI (2).
  
  Successfully opened the file.
  
  detected 2 logical cores
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'video_size' to value '720x576'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'pix_fmt' to value '30'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'time_base' to value '1/1000000'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'pixel_aspect' to value '0/1'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'sws_param' to value 'flags=2'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'frame_rate' to value '25/1'
  
  [graph 0 input from stream 0:0 @ 0000000002dd7ea0] w:720 h:576 pixfmt:bgra tb:1/1000000 fr:25/1 sar:0/1 sws_param:flags=2
  
  [format @ 0000000002d3df00] compat: called with args=[uyvy422]
  
  [format @ 0000000002d3df00] Setting 'pix_fmts' to value 'uyvy422'
  
  [auto-inserted scaler 0 @ 0000000002d44ca0] Setting 'flags' to value '0x4'
  
  [auto-inserted scaler 0 @ 0000000002d44ca0] w:iw h:ih flags:'0x4' interl:0
  
  [format @ 0000000002d3df00] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_null_0' and the filter 'format'
  
  [AVFilterGraph @ 0000000002e586c0] query_formats: 4 queried, 2 merged, 1 already done, 0 delayed
  
  [auto-inserted scaler 0 @ 0000000002d44ca0] w:720 h:576 fmt:bgra sar:0/1 -> w:720 h:576 fmt:uyvy422 sar:0/1 flags:0x4
  
  [Parsed_aresample_0 @ 0000000002d513a0] Setting 'resampler' to value 'soxr'
  
  [graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'time_base' to value '1/44100'
  
  [graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'sample_rate' to value '44100'
  
  [graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'sample_fmt' to value 's16'
  
  [graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'channel_layout' to value '0x3'
  
  [graph 1 input from stream 1:0 @ 0000000002d51460] tb:1/44100 samplefmt:s16 samplerate:44100 chlayout:0x3
  
  [audio format for output stream 0:1 @ 0000000002d51520] Setting 'sample_fmts' to value 's16'
  
  [audio format for output stream 0:1 @ 0000000002d51520] Setting 'sample_rates' to value '48000'
  
  [audio format for output stream 0:1 @ 0000000002d51520] Setting 'channel_layouts' to value '0x3'
  
  [AVFilterGraph @ 0000000002d4d0c0] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
  
  [Parsed_aresample_0 @ 0000000002d513a0] ch:2 chl:stereo fmt:s16 r:44100Hz -> ch:2 chl:stereo fmt:s16 r:48000Hz
  
  dshow passing through packet of type audio size  88200 timestamp 111637810000 orig timestamp 111637810000
  
  [decklink @ 0000000002dd6a00] Found Decklink mode 720 x 576 with rate 25.00(i)
  
  Output #0, decklink, to 'DeckLink SDI (2)':
  
    Metadata:
  
      encoder         : Lavf56.30.100
  
      Stream #0:0, 0, 1/25: Video: rawvideo (UYVY / 0x59565955), uyvy422, 720x576, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
  
      Metadata:
  
        encoder         : Lavc56.35.101 rawvideo
  
      Stream #0:1, 0, 1/48000: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  
      Metadata:
  
        encoder         : Lavc56.35.101 pcm_s16le
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (bmp (native) -> rawvideo (native))
  
    Stream #1:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
  
  Press [q] to stop, [?] for help
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  Cliping frame in rate conversion by 0.000008
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Encoder did not produce proper pts, making some up.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  *** 40 dup!
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 1.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 2.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 3.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 4.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 5.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 6.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 7.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 8.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 9.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 10.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 11.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 12.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 13.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  dshow passing through packet of type audio size  88200 timestamp 111642810000 orig timestamp 111642810000
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 14.
  
  [decklink @ 0000000002dd6a00] Ending audio preroll.
  
  [decklink @ 0000000002dd6a00] Starting scheduled playback.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 15.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 16.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 17.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 18.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 19.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 20.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 21.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 22.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 23.
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 24.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [decklink @ 0000000002dd6a00] Buffered video frames: 24.
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  frame=   42 fps=0.0 q=0.0 size=N/A time=00:00:01.68 bitrate=N/A dup=40 drop=0    
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  dshow passing through packet of type audio size  88200 timestamp 111647710000 orig timestamp 111647710000
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (814,496) -> (-45,491)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (814,496) -> (-45,491)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
  
  [gdigrab @ 0000000002d3f2a0] Cursor pos (806,497) -> (-53,492)