[FFmpeg-user] How to embed subtitles to .mp4 movie using ffmpeg
Henk D. Schoneveld
belcampo at zonnet.nl
Fri May 8 13:24:07 CEST 2015
> On 06 May 2015, at 22:20, yogev ch <yogevch at gmail.com> wrote:
>
> 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
> *http://stackoverflow.com/questions/8672809/use-ffmpeg-to-add-text-subtitles
> <http://stackoverflow.com/questions/8672809/use-ffmpeg-to-add-text-subtitles>*.
What yu need s following to embed in mp4
If your source is an .srt file -c:s mov_text will automatic convert it for you.
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Stream #1:0 -> #0:2 (subrip (srt) -> mov_text (native))
ffmpeg -i vid.mp4 -i vid.srt -c:v copy -c:a copy -c:s mov_text compatible.mp4
>
>
> 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*
>
> *This error doesn't happen when using*
> *ffmpeg -i in.mp4 -f srt -i subs.srt -c:v copy -c:a copy -c:s mov_text
> out.mp4, *but still there are no subtitles.
>
> Movie details from *Media info*:
>
> * Video *
> * ID: 1 *
> * Format: AVC *
> * Format/Info: Advanced Video Codec *
> * Format profile: Main at 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
> 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%
>
> I tried also *https://trac.ffmpeg.org/wiki/HowToBurnSubtitlesIntoVideo
> <https://trac.ffmpeg.org/wiki/HowToBurnSubtitlesIntoVideo>* without any
> success...
>
>
> Thanks
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