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  • How to embed subtitles to .mp4 movie using ffmpeg

    25 novembre 2016, par hudac

    I’m trying to embed subtitles I wrote to a movie I created.
    I’m using FFmpeg version : ffmpeg-20150418-git-edbb9b5-win64-static with the command :
    ffmpeg -i in.mp4 -f srt -i subs.srt -c:v copy -c:a copy -c:s mov_text out.mp4 I saw here.

    But I get errors during the process, and when the process is done there’s an output file out.mp4 without subtitles embedded.
    When I play the in.mp4 in some player such as media player classic with the subtitles separately, the subtitles are sync and everything is fine.

    The subtitles are subrip encoded in UTF8.

    I tried to look out for these errors but didn’t find anything useful. it seems something ridiculous.
    What am I doing wrong ?

    Errors such as :

    [mp4 @ 00000000003fe020] Codec for stream 0 does not use global headers but container format requires global headers
    [mp4 @ 00000000003fe020] Codec for stream 1 does not use global headers but container format requires global headers
    [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 72205 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value

    Movie details from Media info :

    Video  
    ID: 1  
    Format: AVC  
    Format/Info: Advanced Video Codec  
    Format profile: Main@L4.2  
    Format settings, CABAC: Yes  
    Format settings, ReFrames: 3 frames  
    Format settings, GOP: M=4, N=24  
    Codec ID: avc1  
    Codec ID/Info: Advanced Video Coding  
    Duration: 8mn 32s  
    Source duration: 8mn 32s  
    Bit rate: 23.4 Mbps  
    Width: 1920 pixels  
    Height: 1080 pixels  
    Display aspect ratio: 16:9  
    Original display aspect ratio: 2.2:1  
    Frame rate mode: Variable  
    Frame rate: 23.976 fps  
    Minimum frame rate: 23.976 fps  
    Maximum frame rate: 24.000 fps  
    Standard: NTSC  
    Color space: YUV  
    Chroma subsampling: 4:2:0  
    Bit depth: 8 bits  
    Scan type: Progressive  
    Bits/(Pixel*Frame): 0.472  
    Stream size: 1.40 GiB (99%)  
    Source stream size: 1.40 GiB (99%)  
    Language: English  
    Encoded date: UTC 2015-04-28 20:31:41  
    Tagged date: UTC 2015-04-28 20:31:41  
    mdhd_Duration: 512137  

    Ffmpeg command output :

    ffmpeg version N-71497-gedbb9b5 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 --enab
    le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
    ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
    able-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 --ena
    ble-decklink --enable-zlib
     libavutil      54. 22.101 / 54. 22.101
     libavcodec     56. 34.100 / 56. 34.100
     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
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
     Metadata:
       major_brand     : mp42
       minor_version   : 0
       compatible_brands: mp42mp41
       creation_time   : 2015-04-28 20:31:41
     Duration: 00:08:32.17, start: 0.000000, bitrate: 23640 kb/s
       Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv), 1920x1080 [SAR 40:33 DAR 640:297], 23444 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 t
    bc (default)
       Metadata:
         creation_time   : 2015-04-28 20:31:41
         handler_name    : ?Mainconcept Video Media Handler
         encoder         : AVC Coding
       Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
       Metadata:
         creation_time   : 2015-04-28 20:31:41
         handler_name    : #Mainconcept MP4 Sound Media Handler
    Input #1, srt, from 'subs.srt':
     Duration: N/A, bitrate: N/A
       Stream #1:0: Subtitle: subrip
    [mp4 @ 00000000003fe020] Codec for stream 0 does not use global headers but container format requires global headers
    [mp4 @ 00000000003fe020] Codec for stream 1 does not use global headers but container format requires global headers
    Output #0, mp4, to 'out.mp4':
     Metadata:
       major_brand     : mp42
       minor_version   : 0
       compatible_brands: mp42mp41
       encoder         : Lavf56.30.100
       Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080 [SAR 40:33 DAR 640:297], q=2-31, 23444 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 24k t
    bc (default)
       Metadata:
         creation_time   : 2015-04-28 20:31:41
         handler_name    : ?Mainconcept Video Media Handler
         encoder         : AVC Coding
       Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 189 kb/s (default)
       Metadata:
         creation_time   : 2015-04-28 20:31:41
         handler_name    : #Mainconcept MP4 Sound Media Handler
       Stream #0:2: Subtitle: mov_text ([8][0][0][0] / 0x0008)
       Metadata:
         encoder         : Lavc56.34.100 mov_text
    Stream mapping:
     Stream #0:0 -> #0:0 (copy)
     Stream #0:1 -> #0:1 (copy)
     Stream #1:0 -> #0:2 (subrip (srt) -> mov_text (native))
    Press [q] to stop, [?] for help
    [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 72205 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 74217 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 76267 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 77872 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 79260 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 88987 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -60 / timestamp: 91489 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 108080 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 112974 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 115528 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 122758 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 124862 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -12 / timestamp: 130307 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -140 / timestamp: 150079 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -144 / timestamp: 156606 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -245 / timestamp: 158916 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 231587 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 234743 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 239406 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 242670 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 249833 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 252669 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 257713 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -2 / timestamp: 272866 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -152 / timestamp: 276417 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 290209 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 302825 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 305466 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 314151 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 315957 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 322568 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -164 / timestamp: 333373 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 379341 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 385070 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 396166 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 402007 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 404571 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -2 / timestamp: 418218 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 428136 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 433347 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 438939 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 445657 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 449039 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 451870 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 456582 is out of range for mov/mp4 format
    [mp4 @ 00000000003fe020] pts has no value
    frame=12279 fps=138 q=-1.0 Lsize= 1477815kB time=00:08:32.16 bitrate=23637.2kbits/s
    video:1465658kB audio:11840kB subtitle:8kB other streams:0kB global headers:0kB muxing overhead: 0.020907%
  • Auto Splitting full video using MP4Box

    30 avril 2015, par Luna

    Is there any method to achieve auto-splitting of whole video into equal chunks using MP4Box in Ubuntu as we get same using FFMPEG by specifying segments as following

    ffmpeg -i input.mp4 -c copy -map 0 -segment_time 8 -f segment output%03d.mp4

  • Revision 427cdf0a41 : Reduce the number of full block SAD calls This commit uses a 6-point 1-step ref

    13 mars 2015, par Jingning Han

    Changed Paths :
     Modify /vp9/encoder/vp9_mcomp.c



    Reduce the number of full block SAD calls

    This commit uses a 6-point 1-step refine motion search in the
    integral projection based full pixel motion estimation, to replace
    the current 9-point search.

    It reduces runtime cost of speed -6 on some noisy clips, e.g.,
    dark720p single thread
    33314 b/f, 40.076 dB, 18231 ms ->
    33307 b/f, 40.067 dB, 17768 ms

    The compression performance for rtc set remains unchanged.

    Change-Id : I194ea5a9ce52e5a10baeee36338633adc22f764c