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• ffmpeg : single input file contains multiple streams, how to save each discreetly ?

  9 octobre 2017, par pinhead

  I have been given a .dvs file which was recovered from some proprietary multi-camera security surveillance system. ffprobe returned errors at first but when I switched the extension to .avc I was able to extract video metadata (output below). ffmpeg was able to read this file and export a long video file that essentially jump-cuts between the different cameras in an erratic pattern, like a crazy music video ! Is it possible to use ffmpeg to identify the different parallel video streams and output each camera source as its own file ?

  ffprobe -probesize 1000000000 output :

  ffprobe version 3.2.4 Copyright (c) 2007-2017 the FFmpeg developers
  
    built with Apple LLVM version 7.0.2 (clang-700.1.81)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-vda
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libavresample   3.  1.  0 /  3.  1.  0
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  [h264 @ 0x7fbd7380da00] Format h264 detected only with low score of 1, misdetection possible!
  
  [h264 @ 0x7fbd75000600] non-existing PPS 7 referenced
  
  [h264 @ 0x7fbd75000600] Invalid NAL unit 0, skipping.
  
      Last message repeated 2 times
  
  [h264 @ 0x7fbd75000600] non-existing PPS 7 referenced
  
  [h264 @ 0x7fbd75000600] decode_slice_header error
  
  [h264 @ 0x7fbd75000600] no frame!
  
  Input #0, h264, from 'FILENAME-OBFISCATED.avc':
  
    Duration: N/A, bitrate: N/A
  
      Stream #0:0: Video: h264 (Baseline), yuv420p(progressive), 704x480, 25 fps, 25 tbr, 1200k tbn, 50 tbc

  Here’s some output of ffmpeg while converting. It looks to me like the different streams may even have different resolutions :

  Output #0, mov, to 'FILENAME-OBFISCATED.mov':
  
    Metadata:
  
      encoder         : Lavf57.56.101
  
      Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 704x480, q=-1--1, 25 fps, 12800 tbn, 25 tbc
  
      Metadata:
  
        encoder         : Lavc57.64.101 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [h264 @ 0x7fb0d4031e00] Invalid NAL unit 0, skipping.
  
      Last message repeated 2 times
  
  [h264 @ 0x7fb0d4031e00] non-existing PPS 7 referenced
  
  [h264 @ 0x7fb0d4031e00] decode_slice_header error
  
  [h264 @ 0x7fb0d4031e00] no frame!
  
  Error while decoding stream #0:0: Invalid data found when processing inputed=   0x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  [h264 @ 0x7fb0d4031e00] negative number of zero coeffs at 1 0itrate=1973.5kbits/s speed=0.159x    
  
  [h264 @ 0x7fb0d4031e00] error while decoding MB 1 0
  
  [h264 @ 0x7fb0d4031e00] concealing 4800 DC, 4800 AC, 4800 MV errors in P frame
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p75x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  [h264 @ 0x7fb0d40b3000] slice type 32 too large at 79911
  
  [h264 @ 0x7fb0d40b3000] decode_slice_header error
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p07x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p92x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p59x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  ...
  
  [h264 @ 0x7fb0d4036200] data partitioning is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
  
  [h264 @ 0x7fb0d4036200] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420pdrop=0 speed=10.4x    
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:704x480 fmt:yuv420p to size:1280x960 fmt:yuv420p
  
  Input stream #0:0 frame changed from size:1280x960 fmt:yuv420p to size:704x480 fmt:yuv420p
  
  frame=203980 fps=261 q=-1.0 Lsize= 1886254kB time=02:15:59.12 bitrate=1893.9kbits/s dup=80 drop=0 speed=10.4x    
  
  video:1884523kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.091876%
  
  [libx264 @ 0x7fb0d580d800] frame I:16284 Avg QP:21.33  size: 76147
  
  [libx264 @ 0x7fb0d580d800] frame P:117556 Avg QP:26.20  size:  4066
  
  [libx264 @ 0x7fb0d580d800] frame B:70140 Avg QP:30.19  size:  3019
  
  [libx264 @ 0x7fb0d580d800] consecutive B-frames: 50.2%  9.9%  6.2% 33.7%
  
  [libx264 @ 0x7fb0d580d800] mb I  I16..4:  8.6% 25.2% 66.2%
  
  [libx264 @ 0x7fb0d580d800] mb P  I16..4:  0.4%  1.5%  1.1%  P16..4: 14.2%  6.3%  4.4%  0.0%  0.0%    skip:72.1%
  
  [libx264 @ 0x7fb0d580d800] mb B  I16..4:  0.2%  0.5%  0.5%  B16..8: 22.6%  7.6%  2.9%  direct: 2.5%  skip:63.2%  L0:45.2% L1:38.7% BI:16.1%
  
  [libx264 @ 0x7fb0d580d800] 8x8 transform intra:30.2% inter:45.3%
  
  [libx264 @ 0x7fb0d580d800] coded y,uvDC,uvAC intra: 88.8% 65.6% 41.5% inter: 10.4% 3.8% 0.4%
  
  [libx264 @ 0x7fb0d580d800] i16 v,h,dc,p: 11% 11% 40% 39%
  
  [libx264 @ 0x7fb0d580d800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 19% 20%  6%  6%  6%  8%  7% 10%
  
  [libx264 @ 0x7fb0d580d800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 18% 13%  7%  7%  8%  8%  8%  9%
  
  [libx264 @ 0x7fb0d580d800] i8c dc,h,v,p: 51% 20% 23%  6%
  
  [libx264 @ 0x7fb0d580d800] Weighted P-Frames: Y:3.1% UV:0.8%
  
  [libx264 @ 0x7fb0d580d800] ref P L0: 79.0% 12.6%  6.3%  2.0%  0.2%
  
  [libx264 @ 0x7fb0d580d800] ref B L0: 93.6%  5.5%  0.9%
  
  [libx264 @ 0x7fb0d580d800] ref B L1: 97.7%  2.3%
  
  [libx264 @ 0x7fb0d580d800] kb/s:1892.10

• FFMpeg Concat Error - What needs to be changed ?

  19 avril 2018, par Andrew Baldinger

  I have a tv episode video (let’s say episode.mp4). I also have a short, 20 second closing credit video that I want to append to various episodes (let’s say closing.mp4) The episode and closing are always Mp4, h264. The frame sizes are also the same. The audio codecs do vary, though. I would like to concat using concat demuxer to avoid having to re-encode. I tried doing this, but it gives me an error. I would like to make any necessary encoding changes to the short closing clip (so I would create multiple closing files, each matching the main episode file I want to add it to). What do I need to additionally make sure matches with the two videos to be able to use concat demuxer ? How would I edit the closing clip to match the episode ?

  Here is a probe of the ending clip :

      [STREAM]
  
  index=0
  
  codec_name=h264
  
  codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
  profile=High
  
  codec_type=video
  
  codec_time_base=1001/48000
  
  codec_tag_string=avc1
  
  codec_tag=0x31637661
  
  width=1280
  
  height=720
  
  coded_width=1280
  
  coded_height=720
  
  has_b_frames=2
  
  sample_aspect_ratio=1:1
  
  display_aspect_ratio=16:9
  
  pix_fmt=yuv420p
  
  level=31
  
  color_range=unknown
  
  color_space=unknown
  
  color_transfer=unknown
  
  color_primaries=unknown
  
  chroma_location=left
  
  field_order=unknown
  
  timecode=N/A
  
  refs=1
  
  is_avc=true
  
  nal_length_size=4
  
  id=N/A
  
  r_frame_rate=24000/1001
  
  avg_frame_rate=24000/1001
  
  time_base=1/24000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=672672
  
  duration=28.028000
  
  bit_rate=442973
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=8
  
  nb_frames=672
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=eng
  
  TAG:handler_name=VideoHandler
  
  [/STREAM]
  
  [STREAM]
  
  index=1
  
  codec_name=aac
  
  codec_long_name=AAC (Advanced Audio Coding)
  
  profile=LC
  
  codec_type=audio
  
  codec_time_base=1/48000
  
  codec_tag_string=mp4a
  
  codec_tag=0x6134706d
  
  sample_fmt=fltp
  
  sample_rate=48000
  
  channels=2
  
  channel_layout=stereo
  
  bits_per_sample=0
  
  id=N/A
  
  r_frame_rate=0/0
  
  avg_frame_rate=0/0
  
  time_base=1/48000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=1344000
  
  duration=28.000000
  
  bit_rate=128651
  
  max_bit_rate=128651
  
  bits_per_raw_sample=N/A
  
  nb_frames=1314
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A

  Here is a probe of a sample episode :

  [STREAM]
  
  index=0
  
  codec_name=h264
  
  codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
  profile=High
  
  codec_type=video
  
  codec_time_base=208879/10016000
  
  codec_tag_string=avc1
  
  codec_tag=0x31637661
  
  width=1280
  
  height=718
  
  coded_width=1280
  
  coded_height=718
  
  has_b_frames=2
  
  sample_aspect_ratio=1:1
  
  display_aspect_ratio=640:359
  
  pix_fmt=yuv420p
  
  level=31
  
  color_range=unknown
  
  color_space=unknown
  
  color_transfer=unknown
  
  color_primaries=unknown
  
  chroma_location=left
  
  field_order=unknown
  
  timecode=N/A
  
  refs=1
  
  is_avc=true
  
  nal_length_size=4
  
  id=N/A
  
  r_frame_rate=24000/1001
  
  avg_frame_rate=5008000/208879
  
  time_base=1/16000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=40104768
  
  duration=2506.548000
  
  bit_rate=1092383
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=8
  
  nb_frames=60096
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=und
  
  TAG:handler_name=VideoHandler
  
  [/STREAM]
  
  [STREAM]
  
  index=1
  
  codec_name=ac3
  
  codec_long_name=ATSC A/52A (AC-3)
  
  profile=unknown
  
  codec_type=audio
  
  codec_time_base=1/48000
  
  codec_tag_string=ac-3
  
  codec_tag=0x332d6361
  
  sample_fmt=fltp
  
  sample_rate=48000
  
  channels=2
  
  channel_layout=stereo
  
  bits_per_sample=0
  
  dmix_mode=-1
  
  ltrt_cmixlev=-1.000000
  
  ltrt_surmixlev=-1.000000
  
  loro_cmixlev=-1.000000
  
  loro_surmixlev=-1.000000
  
  id=N/A
  
  r_frame_rate=0/0
  
  avg_frame_rate=0/0
  
  time_base=1/48000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=120313200
  
  duration=2506.525000
  
  bit_rate=192000
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=N/A
  
  nb_frames=78329
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A

  Finally, I am running Windows 10 and here is a probe on my setup :

  ffprobe version N-87327-g18821e3 Copyright (c) 2007-2017 the FFmpeg developers
  
    built with gcc 7.2.0 (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-libxml2 --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 75.100 / 55. 75.100
  
    libavcodec     57.106.101 / 57.106.101
  
    libavformat    57. 82.100 / 57. 82.100
  
    libavdevice    57.  8.101 / 57.  8.101
  
    libavfilter     6.105.100 /  6.105.100
  
    libswscale      4.  7.103 /  4.  7.103
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100

  I created a version of the ending with the same screen size and audio codec as the episode. But, when I try to concat, the resulting video is much longer (1:03:00) than it should be (about 42 mins), and it freezes when played. Here is the concat :

  ffmpeg -f concat -safe 0 -i "concat.txt" -c copy 's04e06.mp4'
  
  ffmpeg : ffmpeg version N-87327-g18821e3 Copyright (c) 2000-2017 the FFmpeg developers
  
  At line:1 char:1
  
  + ffmpeg -f concat -safe 0 -i "concat.txt"  ...
  
  + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
      + CategoryInfo          : NotSpecified: (ffmpeg version ...mpeg developers:String) [], RemoteException
  
      + FullyQualifiedErrorId : NativeCommandError
  
  
  
    built with gcc 7.2.0 (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-libxml2 
  
  --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 75.100 / 55. 75.100
  
    libavcodec     57.106.101 / 57.106.101
  
    libavformat    57. 82.100 / 57. 82.100
  
    libavdevice    57.  8.101 / 57.  8.101
  
    libavfilter     6.105.100 /  6.105.100
  
    libswscale      4.  7.103 /  4.  7.103
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000047cb020]
  
   Auto-inserting h264_mp4toannexb bitstream filter
  
  Input #0, concat, from 'concat.txt':
  
    Duration: N/A, start: -0.002333, bitrate: 1284 kb/s
  
      Stream #0:
  
  0(und
  
  ): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x718 [SAR 1:1 DAR 640:359], 1092 kb/s
  
  , 
  
  23.98 fps, 
  
  23.98 tbr, 
  
  16k tbn, 47.95 tb
  
  c
  
      Metadata:
  
        handler_name    : 
  
  VideoHandler
  
      Stream #0:
  
  1(und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, stereo, fltp, 192 kb/s
  
      Metadata:
  
        handler_name    : 
  
  SoundHandler
  
  [mp4 @ 0000000004daf380]
  
  
  
  track 1: codec frame size is not set
  
  Output #0, mp4, to 's04e06.mp4':
  
    Metadata:
  
      encoder         : 
  
  Lavf57.82.10
  
  0
  
      Stream #0:
  
  0
  
  (und)
  
  : Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x718 [SAR 1:1 DAR 640:359], q=2-31, 1092 kb/s
  
  , 
  
  23.98 fps, 23.98 tbr,
  
   16k tbn, 
  
  16k tbc
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, stereo, fltp, 192 kb/s
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame= 3050 fps=0.0 q=-1.0 size=   32768kB time=00:02:07.16 bitrate=2110.9kbits/s speed= 254x    
  
  frame= 7005 fps=6993 q=-1.0 size=   65536kB time=00:04:52.12 bitrate=1837.8kbits/s speed= 292x    
  
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  frame=17009 fps=8492 q=-1.0 size=  125440kB time=00:11:49.34 bitrate=1448.7kbits/s speed= 354x    
  
  frame=18981 fps=7413 q=-1.0 size=  136704kB time=00:13:11.61 bitrate=1414.7kbits/s speed= 309x    
  
  frame=20233 fps=6444 q=-1.0 size=  144896kB time=00:14:03.80 bitrate=1406.7kbits/s speed= 269x    
  
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  frame=26957 fps=5759 q=-1.0 size=  184576kB time=00:18:44.25 bitrate=1344.9kbits/s speed= 240x    
  
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  frame=33517 fps=5900 q=-1.0 size=  235264kB time=00:23:17.88 bitrate=1378.7kbits/s speed= 246x    
  
  frame=34974 fps=5658 q=-1.0 size=  246272kB time=00:24:18.65 bitrate=1383.1kbits/s speed= 236x    
  
  frame=36987 fps=5437 q=-1.0 size=  259840kB time=00:25:42.59 bitrate=1379.9kbits/s speed= 227x    
  
  frame=37543 fps=5140 q=-1.0 size=  263168kB time=00:26:05.79 bitrate=1376.9kbits/s speed= 214x    
  
  frame=39203 fps=4982 q=-1.0 size=  273152kB time=00:27:15.04 bitrate=1368.6kbits/s speed= 208x    
  
  frame=45904 fps=5484 q=-1.0 size=  305408kB time=00:31:54.52 bitrate=1306.8kbits/s speed= 229x    
  
  frame=47996 fps=5410 q=-1.0 size=  318720kB time=00:33:21.75 bitrate=1304.3kbits/s speed= 226x    
  
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  frame=53508 fps=5409 q=-1.0 size=  354560kB time=00:37:11.65 bitrate=1301.5kbits/s speed= 226x    
  
  frame=57118 fps=5452 q=-1.0 size=  372736kB time=00:39:42.24 bitrate=1281.8kbits/s speed= 227x    
  
  frame=58440 fps=5324 q=-1.0 size=  382208kB time=00:40:37.35 bitrate=1284.6kbits/s speed= 222x    
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000047d3640]
  
   Auto-inserting h264_mp4toannexb bitstream filter
  
  frame=60098 fps=5228 q=-1.0 size=  392960kB time=01:02:39.76 bitrate= 856.2kbits/s speed= 327x    
  
  frame=60746 fps=5031 q=-1.0 size=  393472kB time=01:03:20.30 bitrate= 848.2kbits/s speed= 315x    
  
  frame=60768 fps=4978 q=-1.0 Lsize=  397136kB time=01:03:21.67 bitrate= 855.8kbits/s speed= 311x    
  
  video:335753kB audio:59186kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.556209%

• Trying to use ffmpeg script in php issue

  24 août 2018, par user5947524

  Currently I am using the PHP line of code below which allows me to use ffmpeg to watermark a video. The $video_path, $scaled, and $scaled_video are already set.

  exec('ffmpeg -i "' . $video_path . '" -vf "movie="' . $scaled . '" [watermark]; [in][watermark] overlay=10:main_h-overlay_h [out]" "' . $scaled_video . '"');

  How can I use the below line in PHP similarly, the semicolons are confusing me like crazy.

  ffmpeg -i video_path.mp4 -i scaled.png -filter_complex "overlay=10:main_h-overlay_h-10" scaled_video.mp4

  So I basically just need help writing this so there are no errors in the PHP code