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• FFmpeg stream extraction modifies subtitles [closed]

  21 mai 2024, par user18812922

  I have a video with the following ffprobe output :

  


  Input #0, matroska,webm, from 'video.mkv':
  Metadata:
    title           : Video - 01
    creation_time   : 2021-07-14T02:49:59.000000Z
    ENCODER         : Lavf58.29.100
  Duration: 00:22:57.28, start: 0.000000, bitrate: 392 kb/s
  Chapters:
    Chapter #0:0: start 0.000000, end 86.169000
      Metadata:
        title           : Opening
    Chapter #0:1: start 86.169000, end 641.266000
      Metadata:
        title           : Part A
    Chapter #0:2: start 641.266000, end 651.359000
      Metadata:
        title           : Eyecatch
    Chapter #0:3: start 651.359000, end 1286.160000
      Metadata:
        title           : Part B
    Chapter #0:4: start 1286.160000, end 1356.355000
      Metadata:
        title           : Ending
    Chapter #0:5: start 1356.355000, end 1376.876000
      Metadata:
        title           : Preview
  Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt709), 854x480 [SAR 1280:1281 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn (default)
      Metadata:
        DURATION        : 00:22:56.959000000
  Stream #0:1(eng): Audio: vorbis, 48000 Hz, stereo, fltp (default)
      Metadata:
        title           : English [FLAC 2.0]
        DURATION        : 00:22:57.278000000
  Stream #0:2(jpn): Audio: vorbis, 48000 Hz, stereo, fltp
      Metadata:
        title           : Japanese [FLAC 2.0]
        DURATION        : 00:22:57.276000000
  Stream #0:3(eng): Subtitle: ass (ssa)
      Metadata:
        title           : Signs and Songs [FMA1394/Redc4t]
        DURATION        : 00:22:51.090000000
  Stream #0:4(eng): Subtitle: ass (ssa)
      Metadata:
        title           : English [FMA1394/Redc4t]
        DURATION        : 00:22:51.090000000
  Stream #0:5(eng): Subtitle: hdmv_pgs_subtitle (pgssub), 1920x1080
      Metadata:
        title           : Full English Retail
        DURATION        : 00:22:51.120000000
  Stream #0:6: Attachment: ttf
      Metadata:
        filename        : 8bitoperator.ttf
        mimetype        : application/x-truetype-font
  Stream #0:7: Attachment: ttf
      Metadata:
        filename        : Cabin-Bold.ttf
        mimetype        : application/x-truetype-font
  Stream #0:8: Attachment: ttf
      Metadata:
        filename        : calibrib.ttf
        mimetype        : application/x-truetype-font
  Stream #0:9: Attachment: ttf
      Metadata:
        filename        : daniel_0.ttf
        mimetype        : application/x-truetype-font
  Stream #0:10: Attachment: ttf
      Metadata:
        filename        : DEATH_FONT.TTF
        mimetype        : application/x-truetype-font
  Stream #0:11: Attachment: ttf
      Metadata:
        filename        : Dominican.ttf
        mimetype        : application/x-truetype-font
  Stream #0:12: Attachment: ttf
      Metadata:
        filename        : gishabd.ttf
        mimetype        : application/x-truetype-font
  Stream #0:13: Attachment: ttf
      Metadata:
        filename        : PATRICK_0.TTF
        mimetype        : application/x-truetype-font
  Stream #0:14: Attachment: ttf
      Metadata:
        filename        : Qlassik-Medium.ttf
        mimetype        : application/x-truetype-font
Unsupported codec with id 98304 for input stream 6
Unsupported codec with id 98304 for input stream 7
Unsupported codec with id 98304 for input stream 8
Unsupported codec with id 98304 for input stream 9
Unsupported codec with id 98304 for input stream 10
Unsupported codec with id 98304 for input stream 11
Unsupported codec with id 98304 for input stream 12
Unsupported codec with id 98304 for input stream 13
Unsupported codec with id 98304 for input stream 14


  


  I am trying to extract the subtitles, edit them and reattach them to the video.
(I need my program to do that so I don't want to use other software)

  


  Command 1

  


  ffmpeg -i video.mkv -map 0:3 -c:s ssa subs.ass
ffmpeg -i video.mkv -i subs.ass -map 0 -map -0:s -map 1 -c copy out.mkv


  


  Command 2

  


  ffmpeg -i video.mkv -map 0:3 subs.ass
ffmpeg -i video.mkv -i subs.ass -map 0 -map -0:s -map 1 -c copy out.mkv


  


  Command 3

  


  ffmpeg -i video.mkv -map 0:3 subs.srt
ffmpeg -i video.mkv -i subs.srt -map 0 -map -0:s -map 1 -c copy out.mkv


  


  Command 4

  


  ffmpeg -i video.mkv -map 0:3 subs.srt
ffmpeg -i subs.srt subs.ass
ffmpeg -i video.mkv -i subs.ass -map 0 -map -0:s -map 1 -c copy out.mkv


  


  Command 5

  


  ffmpeg -i video.mkv -map 0:3 subs.ass
ffmpeg -i subs.ass subs.srt
ffmpeg -i video.mkv -i subs.srt -map 0 -map -0:s -map 1 -c copy out.mkv


  


  The problem

  


  After extraction the subtitles seem to be really quick, meaning they are displayed and disappear really quickly.

  


  For example the first subtitle is as follows in srt :

  


  1&#xA;00:00:03,100 --> 00:00:03,560&#xA;<font face="Dominican" size="77" color="#f7f7f7">Within the spreading darkness</font>&#xA;

  


  Now, in srt it also has wrong size but I assume that's because of the conversion from ass to srt.

  


  If I reattach the subtitle file in the video and open it, it is displayed and disappears way too fast and it doesn't match the original subtitles in the video.

  


  (ie, the original video subtitles are showing for at least a second)

  


  Expected behaviour

  


  The subtitles should be displayed for the same duration as the original subtitles.

  


  NOTE

  


  It's my first question for ffmpeg related issues so feel free to ask me for anything else you may need.

  


  UPDATE 1

  


  I realized that the subtitles were ok for the timings as they had the same line multiple times, so the problem for not playing is something else.

  


  Example of the file

  


  1&#xA;00:00:03,100 --> 00:00:03,560&#xA;<font face="Dominican" size="77" color="#f7f7f7">Within the spreading darkness</font>&#xA;&#xA;2&#xA;00:00:03,560 --> 00:00:04,650&#xA;<font face="Dominican" size="77" color="#f7f7f7">Within the spreading darkness</font>&#xA;&#xA;3&#xA;00:00:04,650 --> 00:00:05,100&#xA;<font face="Dominican" size="77" color="#f7f7f7">Within the spreading darkness</font>&#xA;

  


  So the problem is that VLC doesn't show more than the first subtitle.

  


  The strange thing is when I use the below command

  


  ffmpeg -i video.mkv -i subs.srt -map 0 -map -0:s -map 1 -c copy -c:s subrip out.mkv


  


  Then more lines of the subtitle (but not all) play.

  


  It stops at the 17th line.

  


  I believe that's an encoder's problem ? but I really don't know.

  


  Also what I noticed is that VLC stops the subtitles but Windows Media Player (Windows 11 version) display the subtitles correctly even after the 17th line.

  


  BUT, if I add subtitles from another video they are played correctly in both VLC and Windows Media Player.

  


  Update 2
As @Gyan said in his answer I should use the following command

  


  ffmpeg -i video.mkv -map 0:3 -c:s copy subs.ass


  


  But then if I attach the subs again with

  


  ffmpeg -i video.mkv -i subs.ass -map 0 -map -0:s -map 1 -c copy -c:s ass out.mkv


  


  The subtitles show up to 17th line in both VLC and Windows Media Player.

  


  or

  


  ffmpeg -i video.mkv -i .\subs.ass -map 0 -map -0:s -map 1 -c copy out.mkv


  


  The subtitles do not show up at all. (Not even in Windows Media Player)

  


• Directx12 texture with ffmpeg is blinking [closed]

  25 juillet 2024, par Hoppe

  I'm trying to encode multiple D3D12 textures into a video file, but the video is flashing black.

  


  pCommandQueue->Signal(pFence.Get(), 1);
pFence->SetEventOnCompletion(1, pEventHandle);
WaitForSingleObject(pEventHandle, INFINITE);

BYTE* pData;
hr = readbackBuffer->Map(0, nullptr, reinterpret_cast(&pData));
if (FAILED(hr)) {
    std::cerr << "[FFMPEG-D3D12-GRABBER] - Failed to map readback buffer\n";
    return;
}


  


  I did the same thing with D3D11 and it worked fine

  


• ffmpeg error Error sending frames to consumers : No space left on device [closed]

  4 août 2024, par Bernard Vatonen Bern

  I do use a short funtion , to convert videos in a needed format ,, I used this function all the time , worked no problems ,
Lately I mado some chnages , and now geting an critical error : like : "no space left on device"
" \[af#0:1 @ 0x600001ad9cb0\] Error sending frames to consumers: No space left on device \[af#0:1 @ 0x600001ad9cb0\] Task finished with error code: -28 (No space left on device) \[af#0:1 @ 0x600001ad9cb0\] Terminating thread with return code -28 (No space left on device)"

  


  I do have this function saved in my file : .zshrc

  


  


  function indianull() 
ffmpeg -i movies/$1.* -i /Documents/indianul3.png -filter_complex "[1][0]scale2ref=w=ohmdar:h=ih0.1[logo][video] ;[video][logo]overlay=x=main_w-overlay_w-(main_w0.04):y=main_h0.14,subtitles=subs/$1.srt:force_style='FontSize=22,WrapStyle=0,MarginV=35" -preset fast -s 720x480 -vcodec libx264 -shortest output/$1-sub.mp4

  


  


  


  \`indianull tt0066763


  


  ffmpeg version 7.0.1 Copyright (c) 2000-2024 the FFmpeg developers
built with Apple clang version 15.0.0 (clang-1500.3.9.4)
configuration : —prefix=/opt/homebrew/Cellar/ffmpeg/7.0.1 —enable-shared —enable-pthreads —enable-version3 —cc=clang —host-cflags= —host-ldflags='-Wl,-ld_classic' —enable-ffplay —enable-gnutls —enable-gpl —enable-libaom —enable-libaribb24 —enable-libbluray —enable-libdav1d —enable-libharfbuzz —enable-libjxl —enable-libmp3lame —enable-libopus —enable-librav1e —enable-librist —enable-librubberband —enable-libsnappy —enable-libsrt —enable-libssh —enable-libsvtav1 —enable-libtesseract —enable-libtheora —enable-libvidstab —enable-libvmaf —enable-libvorbis —enable-libvpx —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxml2 —enable-libxvid —enable-lzma —enable-libfontconfig —enable-libfreetype —enable-frei0r —enable-libass —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenjpeg —enable-libspeex —enable-libsoxr —enable-libzmq —enable-libzimg —disable-libjack —disable-indev=jack —enable-videotoolbox —enable-audiotoolbox —enable-neon
libavutil 59. 8.100 / 59. 8.100
libavcodec 61. 3.100 / 61. 3.100
libavformat 61. 1.100 / 61. 1.100
libavdevice 61. 1.100 / 61. 1.100
libavfilter 10. 1.100 / 10. 1.100
libswscale 8. 1.100 / 8. 1.100
libswresample 5. 1.100 / 5. 1.100
libpostproc 58. 1.100 / 58. 1.100

  


  \[Parsed_subtitles_2 @ 0x600001fd8bb0\] libass API version: 0x1703000
\[Parsed_subtitles_2 @ 0x600001fd8bb0\] libass source: tarball: 0.17.3
\[Parsed_subtitles_2 @ 0x600001fd8bb0\] Shaper: FriBidi 1.0.15 (SIMPLE) HarfBuzz-ng 9.0.0 (COMPLEX)
\[Parsed_subtitles_2 @ 0x600001fd8bb0\] Using font provider coretext`


  


  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'movies/tt0066763.mp4':
Metadata:
major_brand     : isom
minor_version   : 512
compatible_brands: isomiso2avc1mp41
title           : Anand.1971.720p.BluRay.x264-x0r
encoder         : Lavf57.83.100
Duration: 02:02:08.08, start: 0.000000, bitrate: 1212 kb/s
Chapters:
Chapter #0:0: start 0.000000, end 209.375000
Stream #0:0\[0x1\](hin): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1280x720 \[SAR 1:1 DAR 16:9\], 1079 kb/s, 24 fps, 24 tbr, 12288 tbn (default)
Metadata:
handler_name    : VideoHandler
vendor_id       : \[0\]\[0\]\[0\]\[0\]
Stream #0:1\[0x2\](hin): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name    : SoundHandler
vendor_id       : \[0\]\[0\]\[0\]\[0\]
Stream #0:2\[0x3\](eng): Data: bin_data (text / 0x74786574)
Metadata:
handler_name    : SubtitleHandler
Input #1, png_pipe, from '/Users/bv2004/Documents/indianul3.png':
Duration: N/A, bitrate: N/A
Stream #1:0: Video: png, rgba(pc, gbr/unknown/unknown), 630x124, 25 fps, 25 tbr, 25 tbn
File 'output/tt0066763-sub.mp4' already exists. Overwrite? \[y/N\] y
Stream mapping:
Stream #0:0 (h264) -\> scale2ref (graph 0)
Stream #1:0 (png) -\> scale2ref (graph 0)
subtitles:default (graph 0) -\> Stream #0:0 (libx264)
Stream #0:1 -\> #0:1 (aac (native) -\> aac (native))
Press \[q\] to stop, \[?\] for help
\[Parsed_subtitles_2 @ 0x600001fcc420\] libass API version: 0x1703000
\[Parsed_subtitles_2 @ 0x600001fcc420\] libass source: tarball: 0.17.3
\[Parsed_subtitles_2 @ 0x600001fcc420\] Shaper: FriBidi 1.0.15 (SIMPLE) HarfBuzz-ng 9.0.0 (COMPLEX)
\[Parsed_subtitles_2 @ 0x600001fcc420\] Using font provider coretext
\[vost#0:0/libx264 @ 0x128e07bb0\] No filtered frames for output stream, trying to initialize anyway.
\[libx264 @ 0x128e084e0\] using SAR=32/27
\[libx264 @ 0x128e084e0\] using cpu capabilities: ARMv8 NEON
\[libx264 @ 0x128e084e0\] profile High, level 3.0, 4:2:0, 8-bit
\[libx264 @ 0x128e084e0\] 264 - core 164 r3108 31e19f9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 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=15 lookahead_threads=2 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=1 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=30 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/tt0066763-sub.mp4':
Metadata:
major_brand     : isom
minor_version   : 512
compatible_brands: isomiso2avc1mp41
title           : Anand.1971.720p.BluRay.x264-x0r
encoder         : Lavf61.1.100

        encoder         : Lavc61.3.100 aac


  


  \[af#0:1 @ 0x600001ad9cb0\] Error sending frames to consumers: No space left on device
\[af#0:1 @ 0x600001ad9cb0\] Task finished with error code: -28 (No space left on device)
\[af#0:1 @ 0x600001ad9cb0\] Terminating thread with return code -28 (No space left on device)
\[out#0/mp4 @ 0x600001dd8540\] video:0KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown
\[out#0/mp4 @ 0x600001dd8540\] Output file is empty, nothing was encoded(check -ss / -t / -frames parameters if used)
frame=    0 fps=0.0 q=0.0 Lsize=       2KiB time=N/A bitrate=N/A speed=N/A
\[aac @ 0x128e09070\] Qavg: nan
Conversion failed!`


  


  df -h
Filesystem        Size    Used   Avail Capacity iused ifree %iused  Mounted on
/dev/disk3s3s1   926Gi   9.6Gi   539Gi     2%    404k  4.3G    0%   /
devfs            200Ki   200Ki     0Bi   100%     693     0  100%   /dev
/dev/disk3s6     926Gi   1.0Gi   539Gi     1%       1  5.7G    0%   /System/Volumes/VM
/dev/disk3s4     926Gi   5.7Gi   539Gi     2%    1.1k  5.7G    0%   /System/Volumes/Preboot
/dev/disk3s2     926Gi    89Mi   539Gi     1%      53  5.7G    0%   /System/Volumes/Update
/dev/disk1s2     500Mi   6.0Mi   479Mi     2%       1  4.9M    0%   /System/Volumes/xarts
/dev/disk1s1     500Mi   6.1Mi   479Mi     2%      31  4.9M    0%   /System/Volumes/iSCPreboot
/dev/disk1s3     500Mi   3.9Mi   479Mi     1%      57  4.9M    0%   /System/Volumes/Hardware
/dev/disk3s1     926Gi   370Gi   539Gi    41%    778k  5.7G    0%   /System/Volumes/Data
map auto_home      0Bi     0Bi     0Bi   100%       0     0     -   /System/Volumes/Data/home\`


  


  I run the funtion indianull and expected it to convert a video , in my desired format + add logo + add subtitles ! Takes the original Video from on folder , Subtitles from another folder , and converts the video , and saves it in another folder ..

  


  the issue i see only is :
"\[af#0:1 @ 0x600001ad9cb0\] Error sending frames to consumers: No space left on device \[af#0:1 @ 0x600001ad9cb0\] Task finished with error code: -28 (No space left on device) \[af#0:1 @ 0x600001ad9cb0\] Terminating thread with return code -28 (No space left on device) \[out#0/mp4 @ 0x600001dd8540\] video:0KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown"

  


  I do defenitly have over 400GB free on My SSD !
Is an an speciffic folder that is full ? and can not hold any files ?

  


  Any idea how to solve this ? or any suggestion how to try to solve ?