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• Extracting mp3 from mp4 via FFMPEG doesn't apply audio bitrate

  17 juillet 2021, par Mohammad Zamanian

  I want to extract a simplified mono low bitrate low frequency and basically low sized audio from any mp4 file. I use the following FFMPEG command but the resulting audio somehow has 2 channels and its bitrate is the same as the original audio from mp4.

  


  ffmpeg.exe -report -y -i "{mp4}" -vn -acodec libmp3lame -ac 1 -ab 64k -ar 24000 -f mp3 output "{mp3}"


  


  Here is my report :

  


  ffmpeg started on 2021-07-17 at 18:30:20
Report written to "ffmpeg-20210717-183020.log"
Log level: 48
Command line:
"C:\\ffmpeg\\bin\\ffmpeg.exe" -report -y -i "C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4" -vn -acodec libmp3lame -ac 1 -ab 64k -f mp3 output "C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3"
ffmpeg version 4.3.1-2021-01-01-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev5, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-l  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Splitting the commandline.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-i' ... matched as input url with argument 'C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4'.
Reading option '-vn' ... matched as option 'vn' (disable video) with argument '1'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'libmp3lame'.
Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '1'.
Reading option '-ab' ... matched as option 'ab' (audio bitrate (please use -b:a)) with argument '64k'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'mp3'.
Reading option 'output' ... matched as output url.
Reading option 'C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4.
Successfully parsed a group of options.
Opening an input file: C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4.
[NULL @ 000002e7d956ed40] Opening 'C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4' for reading
[file @ 000002e7d956fd80] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] Setting codecpar->delay to 1 for stream st: 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] Before avformat_find_stream_info() pos: 139797 bytes read:65536 seeks:1 nb_streams:2
[h264 @ 000002e7d9570c00] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 000002e7d9570c00] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 000002e7d9570c00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 000002e7d9570c00] Format yuv420p chosen by get_format().
[h264 @ 000002e7d9570c00] Reinit context to 1920x1088, pix_fmt: yuv420p
[h264 @ 000002e7d9570c00] no picture 
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0
[h264 @ 000002e7d9570c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002e7d956ed40] After avformat_find_stream_info() pos: 158020 bytes read:65536 seeks:1 frames:11
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    creation_time   : 2020-11-24T06:56:49.000000Z
  Duration: 00:00:56.45, start: 0.000000, bitrate: 893 kb/s
    Stream #0:0(eng), 10, 1/30000: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 749 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2020-11-24T06:56:49.000000Z
      handler_name    : Mainconcept Video Media Handler
      encoder         : AVC Coding
    Stream #0:1(eng), 1, 1/44100: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2020-11-24T06:56:49.000000Z
      handler_name    : #Mainconcept MP4 Sound Media Handler
Successfully opened the file.
Parsing a group of options: output url output.
Applying option vn (disable video) with argument 1.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument libmp3lame.
Applying option ac (set number of audio channels) with argument 1.
Applying option ab (audio bitrate (please use -b:a)) with argument 64k.
Applying option f (force format) with argument mp3.
Successfully parsed a group of options.
Opening an output file: output.
[file @ 000002e7d958e340] Setting default whitelist 'file,crypto,data'
Successfully opened the file.
Parsing a group of options: output url C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3.
Successfully parsed a group of options.
Opening an output file: C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3.
[file @ 000002e7da1bc480] Setting default whitelist 'file,crypto,data'
Successfully opened the file.
Stream mapping:
  Stream #0:1 -> #0:0 (aac (native) -> mp3 (libmp3lame))
  Stream #0:1 -> #1:0 (aac (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
detected 8 logical cores
[graph_0_in_0_1 @ 000002e7dac2b7c0] Setting 'time_base' to value '1/44100'
[graph_0_in_0_1 @ 000002e7dac2b7c0] Setting 'sample_rate' to value '44100'
[graph_0_in_0_1 @ 000002e7dac2b7c0] Setting 'sample_fmt' to value 'fltp'
[graph_0_in_0_1 @ 000002e7dac2b7c0] Setting 'channel_layout' to value '0x3'
[graph_0_in_0_1 @ 000002e7dac2b7c0] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_0 @ 000002e7dac2b8c0] Setting 'sample_fmts' to value 's32p|fltp|s16p'
[format_out_0_0 @ 000002e7dac2b8c0] Setting 'sample_rates' to value '44100|48000|32000|22050|24000|16000|11025|12000|8000'
[format_out_0_0 @ 000002e7dac2b8c0] Setting 'channel_layouts' to value '0x4'
[format_out_0_0 @ 000002e7dac2b8c0] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_0'
[AVFilterGraph @ 000002e7da1bdfc0] query_formats: 4 queried, 7 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 000002e7d958edc0] [SWR @ 000002e7d95fd240] Using fltp internally between filters
[auto_resampler_0 @ 000002e7d958edc0] [SWR @ 000002e7d95fd240] Matrix coefficients:
[auto_resampler_0 @ 000002e7d958edc0] [SWR @ 000002e7d95fd240] FC: FL:0.707107 FR:0.707107 
[auto_resampler_0 @ 000002e7d958edc0] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:1 chl:mono fmt:fltp r:44100Hz
Output #0, mp3, to 'output':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    TSSE            : Lavf58.45.100
    Stream #0:0(eng), 0, 1/44100: Audio: mp3 (libmp3lame), 44100 Hz, mono, fltp, 64 kb/s (default)
    Metadata:
      creation_time   : 2020-11-24T06:56:49.000000Z
      handler_name    : #Mainconcept MP4 Sound Media Handler
      encoder         : Lavc58.91.100 libmp3lame
[graph_1_in_0_1 @ 000002e7d9a5bf00] Setting 'time_base' to value '1/44100'
[graph_1_in_0_1 @ 000002e7d9a5bf00] Setting 'sample_rate' to value '44100'
[graph_1_in_0_1 @ 000002e7d9a5bf00] Setting 'sample_fmt' to value 'fltp'
[graph_1_in_0_1 @ 000002e7d9a5bf00] Setting 'channel_layout' to value '0x3'
[graph_1_in_0_1 @ 000002e7d9a5bf00] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_1_0 @ 000002e7da1b8580] Setting 'sample_fmts' to value 's32p|fltp|s16p'
[format_out_1_0 @ 000002e7da1b8580] Setting 'sample_rates' to value '44100|48000|32000|22050|24000|16000|11025|12000|8000'
[format_out_1_0 @ 000002e7da1b8580] Setting 'channel_layouts' to value '0x4|0x3'
[AVFilterGraph @ 000002e7da1be5c0] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
Output #1, mp3, to 'C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    TSSE            : Lavf58.45.100
    Stream #1:0(eng), 0, 1/44100: Audio: mp3 (libmp3lame), 44100 Hz, stereo, fltp (default)
    Metadata:
      creation_time   : 2020-11-24T06:56:49.000000Z
      handler_name    : #Mainconcept MP4 Sound Media Handler
      encoder         : Lavc58.91.100 libmp3lame
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
size=     129kB time=00:00:16.40 bitrate=  64.2kbits/s speed=32.8x    
size=     254kB time=00:00:32.49 bitrate=  64.1kbits/s speed=32.5x    
size=     256kB time=00:00:47.83 bitrate=  43.8kbits/s speed=31.8x    
[out_0_0 @ 000002e7d95b3d40] EOF on sink link out_0_0:default.
[out_1_0 @ 000002e7d9bae780] EOF on sink link out_1_0:default.
No more output streams to write to, finishing.
[libmp3lame @ 000002e7d958dbc0] Trying to remove 175 more samples than there are in the queue
[libmp3lame @ 000002e7da1bb940] Trying to remove 175 more samples than there are in the queue
size=     442kB time=00:00:56.45 bitrate=  64.1kbits/s speed=  33x    
video:0kB audio:1324kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Video1.mp4):
  Input stream #0:0 (video): 10 packets read (17858 bytes); 
  Input stream #0:1 (audio): 2431 packets read (886147 bytes); 2431 frames decoded (2489344 samples); 
  Total: 2441 packets (904005 bytes) demuxed
Output file #0 (output):
  Output stream #0:0 (audio): 2161 frames encoded (2489344 samples); 2162 packets muxed (451813 bytes); 
  Total: 2162 packets (451813 bytes) muxed
Output file #1 (C:/Users/ScottRobertson/Desktop/VirtualExhibition/Final Booth Data/1-Abidi (gold)/Video/Audio.mp3):
  Output stream #1:0 (audio): 2161 frames encoded (2489344 samples); 2162 packets muxed (903627 bytes); 
  Total: 2162 packets (903627 bytes) muxed
2431 frames successfully decoded, 0 decoding errors
[AVIOContext @ 000002e7d958e400] Statistics: 2 seeks, 3 writeouts
[AVIOContext @ 000002e7da1bc580] Statistics: 2 seeks, 5 writeouts
[AVIOContext @ 000002e7d9578040] Statistics: 2725576 bytes read, 65 seeks


  


  How can I force the desired audio bitrate ?

  


  Also, why is there 2 outputs called Output file #0 and Output file #1 and why the #0 doesn't have any path ?

  


• FFMpeg produces low quality target file with just 1 second length on Ubuntu 20.04

  16 juillet 2021, par Matt

  I'm using FFMpeg locally on a Mac (actually using PHP-FFMpeg) and it's working perfectly. I'm running the same code on an Ubuntu server and whatever I try the output file is a tiny, low quality video with just 1 second length (the original is about 15 seconds).

  


  I installed it on the server with

  


  sudo apt update
sudo apt install ffmpeg


  


  and then restarted the server. To test now I'm running

  


  ffmpeg -i source.mp4 target.mp4


  


  from the terminal and getting this output

  


  ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'source.mp4':
  Metadata:
    major_brand     : iso5
    minor_version   : 1
    compatible_brands: isomiso5hlsf
    creation_time   : 2021-07-16T05:37:58.000000Z
  Duration: 00:00:00.66, start: 0.000000, bitrate: 74037 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], 83522 kb/s, 30.20 fps, 600 tbr, 600 tbn, 1200 tbc (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Video
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 1774 kb/s (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Audio
File 'target.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0x55db778748c0] using SAR=1/1
[libx264 @ 0x55db778748c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x55db778748c0] profile High, level 3.0
[libx264 @ 0x55db778748c0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - 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=3 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
frame=    8 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbOutput #0, mp4, to 'target.mp4':
  Metadata:
    major_brand     : iso5
    minor_version   : 1
    compatible_brands: isomiso5hlsf
    encoder         : Lavf58.29.100
    Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 30.20 fps, 28k tbn, 30.20 tbc (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Video
      encoder         : Lavc58.54.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Audio
      encoder         : Lavc58.54.100 aac
frame=   15 fps= 14 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=3 droframe=   18 fps= 11 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   18 fps=7.9 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   18 fps=6.4 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   19 fps=5.8 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   19 fps=5.0 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   20 fps=4.6 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/s[aac @ 0x55db778a2f00] Queue input is backward in time
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23552, current: 20480; changing to 23553. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23553, current: 21504; changing to 23554. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23554, current: 22528; changing to 23555. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23555, current: 23552; changing to 23556. This may result in incorrect timestamps in the output file.
frame=   20 fps=3.3 q=-1.0 Lsize=      77kB time=00:00:00.56 bitrate=1122.7kbits/s dup=3 drop=3 speed=0.0936x    
video:69kB audio:6kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.688508%
[libx264 @ 0x55db778748c0] frame I:1     Avg QP:22.13  size: 14863
[libx264 @ 0x55db778748c0] frame P:5     Avg QP:25.37  size:  6279
[libx264 @ 0x55db778748c0] frame B:14    Avg QP:26.80  size:  1720
[libx264 @ 0x55db778748c0] consecutive B-frames:  5.0%  0.0% 15.0% 80.0%
[libx264 @ 0x55db778748c0] mb I  I16..4: 15.9% 65.9% 18.2%
[libx264 @ 0x55db778748c0] mb P  I16..4: 10.6% 11.7%  1.3%  P16..4: 52.4% 11.2%  5.5%  0.0%  0.0%    skip: 7.4%
[libx264 @ 0x55db778748c0] mb B  I16..4:  1.0%  1.3%  0.4%  B16..8: 35.8%  3.0%  0.5%  direct: 2.4%  skip:55.6%  L0:41.2% L1:55.5% BI: 3.3%
[libx264 @ 0x55db778748c0] 8x8 transform intra:56.1% inter:82.3%
[libx264 @ 0x55db778748c0] coded y,uvDC,uvAC intra: 54.1% 75.0% 21.1% inter: 14.6% 25.2% 0.1%
[libx264 @ 0x55db778748c0] i16 v,h,dc,p:  9% 19%  3% 70%
[libx264 @ 0x55db778748c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 24%  5%  6%  9%  6%  6%  6%
[libx264 @ 0x55db778748c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 20% 16%  6%  7%  7%  6%  5%  3%
[libx264 @ 0x55db778748c0] i8c dc,h,v,p: 48% 25% 22%  5%
[libx264 @ 0x55db778748c0] Weighted P-Frames: Y:40.0% UV:40.0%
[libx264 @ 0x55db778748c0] ref P L0: 62.4% 17.4% 14.3%  5.7%  0.1%
[libx264 @ 0x55db778748c0] ref B L0: 87.6% 10.7%  1.7%
[libx264 @ 0x55db778748c0] ref B L1: 95.0%  5.0%
[libx264 @ 0x55db778748c0] kb/s:849.86
[aac @ 0x55db778a2f00] Qavg: 4594.708


  


  Here's what the files look like

  


  

  


  Any ideas what could be wrong ?
Thanks for your help !

  


• why ffmpeg only combines first 390 images when combining very large amount ( about 9k) images into video ?

  4 juillet 2021, par Siwei

  I have a VCD, and I split it into nearly 10,000 images, named like :

  


  $ ls tmp_enlarged_image_folder

vcd3_00000001.png
vcd3_00000002.png
vcd3_00000003.png
vcd3_00000004.png
...
vcd3_00089998.png
vcd3_00089999.png
vcd3_00090000.png


  


  and the following command doen't work for me :

  


  ffmpeg -loglevel trace -f image2 -r 25 -pattern_type sequence -i 'tmp_enlarged_image_folder/vcd3-%08d.png' -vcodec libx264 test.mp4



  


  and the detailed log shows as below :

  


  ffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/usr --extra-version=0ubuntu0.2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'trace'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'image2'.
Reading option '-r' ... matched as option 'r' (set frame rate (Hz value, fraction or abbreviation)) with argument '25'.
Reading option '-pattern_type' ... matched as AVOption 'pattern_type' with argument 'sequence'.
Reading option '-i' ... matched as input url with argument 'tmp_enlarged_image_folder/vcd3-%08d.png'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'libx264'.
Reading option 'test.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument trace.
Successfully parsed a group of options.
Parsing a group of options: input url tmp_enlarged_image_folder/vcd3-%08d.png.
Applying option f (force format) with argument image2.
Applying option r (set frame rate (Hz value, fraction or abbreviation)) with argument 25.
Successfully parsed a group of options.
Opening an input file: tmp_enlarged_image_folder/vcd3-%08d.png.
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000001.png' for reading
[file @ 0x560f96d8b9a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d898e0] Statistics: 60162 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000002.png' for reading
[file @ 0x560f96d8be80] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8c0a0] Statistics: 58890 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000003.png' for reading
[file @ 0x560f96d8be80] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92420] Statistics: 59492 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000004.png' for reading
[file @ 0x560f96d92860] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92900] Statistics: 59467 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000005.png' for reading
[file @ 0x560f96d92860] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92d00] Statistics: 98769 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000006.png' for reading
[file @ 0x560f96d92fa0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d93280] Statistics: 100294 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000007.png' for reading
[file @ 0x560f96d93140] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d934a0] Statistics: 99530 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000008.png' for reading
[file @ 0x560f96d930a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d936c0] Statistics: 141874 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000009.png' for reading
[file @ 0x560f96d8c420] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d93840] Statistics: 146849 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000010.png' for reading
[file @ 0x560f96d93840] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8c640] Statistics: 142622 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000011.png' for reading
[file @ 0x560f96d8c7c0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8c860] Statistics: 161083 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000012.png' for reading
[file @ 0x560f96d8c7c0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8c9a0] Statistics: 168437 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000013.png' for reading
[file @ 0x560f96d8c7c0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8ca20] Statistics: 160565 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000014.png' for reading
[file @ 0x560f96d8ca20] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8cd40] Statistics: 99356 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000015.png' for reading
[file @ 0x560f96d8cc20] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8cd40] Statistics: 101508 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000016.png' for reading
[file @ 0x560f96d8cc20] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8cd40] Statistics: 99081 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000017.png' for reading
[file @ 0x560f96d8cf20] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8d040] Statistics: 150550 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000018.png' for reading
[file @ 0x560f96d8d040] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8d4c0] Statistics: 156717 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000019.png' for reading
[file @ 0x560f96d8d700] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8d7a0] Statistics: 151933 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000020.png' for reading
[file @ 0x560f96d8d7c0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8da80] Statistics: 167036 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000021.png' for reading
[file @ 0x560f96d8d860] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8da00] Statistics: 177571 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000022.png' for reading
[file @ 0x560f96da25a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2640] Statistics: 169959 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000023.png' for reading
[file @ 0x560f96da25a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da28a0] Statistics: 176603 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000024.png' for reading
[file @ 0x560f96da2580] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2620] Statistics: 190698 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000025.png' for reading
[file @ 0x560f96da29a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2620] Statistics: 175826 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000026.png' for reading
[file @ 0x560f96da2dc0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2620] Statistics: 148180 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000027.png' for reading
[file @ 0x560f96da2620] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3060] Statistics: 149163 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000028.png' for reading
[file @ 0x560f96da2620] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3080] Statistics: 145310 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000029.png' for reading
[file @ 0x560f96da3080] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2f20] Statistics: 169361 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000030.png' for reading
[file @ 0x560f96da34a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3540] Statistics: 177868 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000031.png' for reading
[file @ 0x560f96da34a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3680] Statistics: 170215 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000032.png' for reading
[file @ 0x560f96da3680] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3540] Statistics: 179543 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000033.png' for reading
[file @ 0x560f96da38a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3a80] Statistics: 191447 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000034.png' for reading
[file @ 0x560f96da3cc0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3e60] Statistics: 178243 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000035.png' for reading
[file @ 0x560f96da3e60] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3f00] Statistics: 181307 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000036.png' for reading
[file @ 0x560f96da3e60] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da4160] Statistics: 199093 bytes read, 0 seeks
[image2 @ 0x560f96d859e0] Probe buffer size limit of 5000000 bytes reached
[image2 @ 0x560f96d859e0] stream 0: start_time: 0.000 duration: 27.520
[image2 @ 0x560f96d859e0] format: start_time: 0.000 duration: 27.520 bitrate=0 kb/s
Input #0, image2, from 'tmp_enlarged_image_folder/vcd3-%08d.png':
  Duration: 00:00:27.52, start: 0.000000, bitrate: N/A
    Stream #0:0, 36, 1/25: Video: png, 1 reference frame, rgb24(pc), 704x576, 0/1, 25 fps, 25 tbr, 25 tbn, 25 tbc
Successfully opened the file.
Parsing a group of options: output url test.mp4.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument libx264.
Successfully parsed a group of options.
Opening an output file: test.mp4.
File 'test.mp4' already exists. Overwrite ? [y/N] y
[file @ 0x560f96d8b800] Setting default whitelist 'file,crypto'
Successfully opened the file.
detected 4 logical cores
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 4 times
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'video_size' to value '704x576'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'pix_fmt' to value '2'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'time_base' to value '1/25'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] Setting 'frame_rate' to value '25/1'
[graph 0 input from stream 0:0 @ 0x560f96dbb5e0] w:704 h:576 pixfmt:rgb24 tb:1/25 fr:25/1 sar:0/1 sws_param:flags=2
[format @ 0x560f96db9cc0] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21]
[format @ 0x560f96db9cc0] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21'
[auto_scaler_0 @ 0x560f96dbdd00] Setting 'flags' to value 'bicubic'
[auto_scaler_0 @ 0x560f96dbdd00] w:iw h:ih flags:'bicubic' interl:0
[format @ 0x560f96db9cc0] auto-inserting filter 'auto_scaler_0' between the filter 'Parsed_null_0' and the filter 'format'
[AVFilterGraph @ 0x560f96d8bc60] query_formats: 4 queried, 2 merged, 1 already done, 0 delayed
[auto_scaler_0 @ 0x560f96dbdd00] picking yuv444p out of 8 ref:rgb24 alpha:0
[auto_scaler_0 @ 0x560f96dbdd00] w:704 h:576 fmt:rgb24 sar:0/1 -> w:704 h:576 fmt:yuv444p sar:0/1 flags:0x4
[libx264 @ 0x560f96d8e8c0] using mv_range_thread = 40
[libx264 @ 0x560f96d8e8c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x560f96d8e8c0] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
[libx264 @ 0x560f96d8e8c0] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 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 'test.mp4':
  Metadata:
    encoder         : Lavf57.83.100
    Stream #0:0, 0, 1/12800: Video: h264 (libx264), 1 reference frame (avc1 / 0x31637661), yuv444p, 704x576, 0/1, q=-1--1, 25 fps, 12800 tbn, 25 tbc
    Metadata:
      encoder         : Lavc57.107.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Clipping frame in rate conversion by 0.000008
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 31 times
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000037.png' for reading
[file @ 0x560f96da3e40] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da34a0] Statistics: 181873 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000038.png' for reading
[file @ 0x560f96da3e40] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da34a0] Statistics: 134566 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000039.png' for reading
[file @ 0x560f96d92860] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d8dae0] Statistics: 137871 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000040.png' for reading
[file @ 0x560f96d8dae0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92860] Statistics: 136224 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000041.png' for reading
[file @ 0x560f96d8db00] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3020] Statistics: 168070 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000042.png' for reading
[file @ 0x560f96da3d40] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3020] Statistics: 176575 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000043.png' for reading
[file @ 0x560f96da3d40] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3040] Statistics: 168955 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000044.png' for reading
[file @ 0x560f96da2dc0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da2e60] Statistics: 176179 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000045.png' for reading
[file @ 0x560f96da3020] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da30c0] Statistics: 189823 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000046.png' for reading
[file @ 0x560f96da39c0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3680] Statistics: 174410 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000047.png' for reading
[file @ 0x560f96d93920] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f98047100] Statistics: 184740 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000048.png' for reading
[file @ 0x560f96d8db60] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f98047100] Statistics: 198932 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000049.png' for reading
[file @ 0x560f9807d700] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f98047100] Statistics: 184479 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000050.png' for reading
[file @ 0x560f9807d700] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f9811c3c0] Statistics: 141160 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000051.png' for reading
[file @ 0x560f96d928e0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3660] Statistics: 145336 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000052.png' for reading
[file @ 0x560f9807d700] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d937a0] Statistics: 143174 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000053.png' for reading
[file @ 0x560f96da3cc0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d937c0] Statistics: 163488 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000054.png' for reading
[file @ 0x560f96da37e0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f980eb240] Statistics: 171633 bytes read, 0 seeks
cur_dts is invalid (this is harmless if it occurs once at the start per stream) 0x    
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000055.png' for reading
[file @ 0x560f96da3cc0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92860] Statistics: 164825 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] frame=   0 QP=13.88 NAL=3 Slice:I Poc:0   I:1584 P:0    SKIP:0    size=1578 bytes
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000056.png' for reading
[file @ 0x560f96da3ce0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d937c0] Statistics: 175255 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] frame=   1 QP=16.06 NAL=2 Slice:P Poc:8   I:183  P:97   SKIP:1304 size=659 bytes
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000057.png' for reading
[file @ 0x560f96da37e0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3660] Statistics: 185462 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] frame=   2 QP=14.21 NAL=2 Slice:B Poc:4   I:0    P:207  SKIP:1377 size=220 bytes
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000058.png' for reading
[file @ 0x560f96d937a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d92f20] Statistics: 175635 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] frame=   3 QP=19.00 NAL=0 Slice:B Poc:2   I:2    P:38   SKIP:1544 size=65 bytes
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000059.png' for reading
[file @ 0x560f96d937a0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96da3660] Statistics: 183556 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] frame=   4 QP=19.00 NAL=0 Slice:B Poc:6   I:1    P:140  SKIP:1443 size=109 bytes
[image2 @ 0x560f96d859e0] Opening 'tmp_enlarged_image_folder/vcd3-00000060.png' for reading
[file @ 0x560f96da28e0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x560f96d93020] Statistics: 200369 bytes read, 0 seeks
[libx264 @ 0x560f96d8e8c0] scene cut at 13 Icost:32063 Pcost:31308 ratio:0.0235 bias:0.0520 gop:13 (imb:1301 pmb:127)

....

[libx264 @ 0x560f96d8e8c0] frame= 381 QP=23.59 NAL=0 Slice:B Poc:368 I:1    P:261  SKIP:1322 size=237 bytes
[libx264 @ 0x560f96d8e8c0] frame= 382 QP=20.58 NAL=2 Slice:P Poc:378 I:374  P:512  SKIP:698  size=1966 bytes
[libx264 @ 0x560f96d8e8c0] frame= 383 QP=20.62 NAL=2 Slice:B Poc:374 I:28   P:555  SKIP:1001 size=1061 bytes
[libx264 @ 0x560f96d8e8c0] frame= 384 QP=19.35 NAL=0 Slice:B Poc:372 I:4    P:349  SKIP:1231 size=325 bytes
[libx264 @ 0x560f96d8e8c0] frame= 385 QP=22.98 NAL=0 Slice:B Poc:376 I:3    P:348  SKIP:1233 size=337 bytes
[libx264 @ 0x560f96d8e8c0] frame= 386 QP=22.53 NAL=2 Slice:P Poc:386 I:139  P:398  SKIP:1047 size=899 bytes
[libx264 @ 0x560f96d8e8c0] frame= 387 QP=20.57 NAL=2 Slice:B Poc:382 I:5    P:373  SKIP:1206 size=522 bytes
[libx264 @ 0x560f96d8e8c0] frame= 388 QP=21.35 NAL=0 Slice:B Poc:380 I:2    P:188  SKIP:1394 size=175 bytes
[libx264 @ 0x560f96d8e8c0] frame= 389 QP=24.00 NAL=0 Slice:B Poc:384 I:4    P:335  SKIP:1245 size=309 bytes
frame=  390 fps= 88 q=-1.0 Lsize=    1179kB time=00:00:15.48 bitrate= 623.8kbits/s speed=3.48x    
video:1173kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.458639%
Input file #0 (tmp_enlarged_image_folder/vcd3-%08d.png):
  Input stream #0:0 (video): 390 packets read (133376897 bytes); 390 frames decoded; 
  Total: 390 packets (133376897 bytes) demuxed
Output file #0 (test.mp4):
  Output stream #0:0 (video): 390 frames encoded; 390 packets muxed (1201598 bytes); 
  Total: 390 packets (1201598 bytes) muxed
390 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x560f96d91840] Statistics: 2 seeks, 8 writeouts
[libx264 @ 0x560f96d8e8c0] frame I:16    Avg QP:15.26  size:  5467
[libx264 @ 0x560f96d8e8c0] frame P:105   Avg QP:20.74  size:  6272
[libx264 @ 0x560f96d8e8c0] frame B:269   Avg QP:24.76  size:  1691
[libx264 @ 0x560f96d8e8c0] consecutive B-frames:  5.1%  8.2%  1.5% 85.1%
[libx264 @ 0x560f96d8e8c0] mb I  I16..4: 80.4%  0.0% 19.6%
[libx264 @ 0x560f96d8e8c0] mb P  I16..4: 12.5%  0.0%  4.7%  P16..4: 28.6%  8.5%  4.2%  0.0%  0.0%    skip:41.4%
[libx264 @ 0x560f96d8e8c0] mb B  I16..4:  0.6%  0.0%  0.4%  B16..8: 32.3%  2.1%  0.3%  direct: 2.3%  skip:61.8%  L0:44.0% L1:51.7% BI: 4.3%
[libx264 @ 0x560f96d8e8c0] coded y,u,v intra: 22.2% 7.4% 6.0% inter: 8.1% 1.6% 1.0%
[libx264 @ 0x560f96d8e8c0] i16 v,h,dc,p: 47% 24% 10% 19%
[libx264 @ 0x560f96d8e8c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 18% 26%  5%  5%  6%  4%  4%  3%
[libx264 @ 0x560f96d8e8c0] Weighted P-Frames: Y:7.6% UV:6.7%
[libx264 @ 0x560f96d8e8c0] ref P L0: 52.1% 11.4% 25.3% 11.1%  0.2%
[libx264 @ 0x560f96d8e8c0] ref B L0: 80.7% 15.2%  4.1%
[libx264 @ 0x560f96d8e8c0] ref B L1: 91.6%  8.4%
[libx264 @ 0x560f96d8e8c0] kb/s:615.85