[FFmpeg-user] hwo to generate subtitle track in mp4 from png file
I have a png file and a MP4 file. I want to let that png file be a subtitle track and add the subtitle track to a mp4 file. What should I do? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Subtitle metadata not intercompatible by ffprobe
Can you share your mp4 file generated by subler, i have no apple computer.
On Fri, Jun 10, 2022 at 5:59 AM Robin van der Linden via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:
> Hello.
>
> I'm using ffprobe to import video information into my database using
> python. In general, this process is working fine
> but if I set a subtitle forced or SDH using "Subler"
> (https://subler.org/) I'm not able to later on check with ffprobe if a
> subtitle is set as SDH or is forced. No matter what information I set
> with Subler, the ffprobe output will always be:
>
> "disposition": {
> "default": 0,
> "dub": 0,
> "original": 0,
> "comment": 0,
> "lyrics": 0,
> "karaoke": 0,
> "forced": 0,
> "hearing_impaired": 0,
> "visual_impaired": 0,
> "clean_effects": 0,
> "attached_pic": 1,
> "timed_thumbnails": 0,
> "captions": 0,
> "descriptions": 0,
> "metadata": 0,
> "dependent": 0,
> "still_image": 0
> },
>
> So basically the only information that really triggers is attached_pic,
> but the rest does not change at all, not matter what I set with Subler.
> The funny thing is that VLC for example recognizes a subtitle as forced
> if I set it as forced using Subler. So I can assume that the Information
> is there, but stored differently so ffprobe can't read it properly. Is
> there any chance that this will be fixed or is there any workaround?
> This is the cmd I fire:
>
> "ffprobe -pretty -print_format json -export_all true -show_programs
> -show_streams -show_format -loglevel quiet -hide_banner 'path/to/file'"
>
>
>
> --
> Grüße / Kind regards,
>
> Robin van der Linden___
> ffmpeg-user mailing list
> ffmpeg-user@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
>
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Re: [FFmpeg-user] how to compile ffmpeg with some arguments in bash script file?
> > screenshot: > [image: 1.png] > [image: 2.png] ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] how to compile ffmpeg with some arguments in bash script file?
my operating system is ubuntu-22.04-desktop-amd64.iso bash script file is 'compile.sh'. content of the file is bellow: #!/bin/bash ## set some flags DEBUG_FLAG='--extra-cflags="-g -O0" --extra-cxxflags="-g -O0"' CC="gcc" CXX="g++" LD="ld" AR="ar" CCAS="gcc -c" RANLIB="ranlib" STRIP="strip" ./configure $DEBUG_FLAG < when i run it: ./compile.sh, error happen: ./configure: 1: eval: Syntax error: Unterminated quoted string What should I do now? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] failed to compile with av_ts2timestr
my application code will call some ffmpeg api.
here is my code which call ffmpeg api:
printf("pts %s\n", av_ts2timestr(packet.pts, stream->time_base));
error when compiled:
ffmpeg/include/libavutil/timestamp.h:76:83: error: taking address of
temporary array
#define av_ts2timestr(ts, tb)
av_ts_make_time_string((char[AV_TS_MAX_STRING_SIZE]){0}, ts, tb)
what should i do?
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[FFmpeg-user] force to decode with the special audio encoding
have a file which contains hevc and g711. when i run ffplay, it doesn't recognize the g711 encoding. can i force ffplay to decode with g711 audio coder? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] i forgot my usename and password of patchwork. who can help up
thanks On Thu, May 19, 2022 at 10:18 AM Andriy Gelman wrote: > Hi, > > The password reset link should be working now. > > Andriy > > On Wed, 18 May 2022 at 20:07, Bang He wrote: > > > dear all. > > ___ > > ffmpeg-user mailing list > > ffmpeg-user@ffmpeg.org > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > To unsubscribe, visit link above, or email > > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > > > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] i forgot my usename and password of patchwork. who can help up
dear all. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Add datetime to output frames
need some post-filter? On Mon, May 16, 2022 at 8:22 PM wrote: > > Hi > > I need to extract frames from video (2 frames per second) but I need to > write the exact time of capture of frames > Eg the video starts at 14:05:10 and because fps is 2 I expect 2 picture > with time 14:05:10.000 14:05:10,500 > > is it possible ? > > > If not is it possible to write the creation_time in the name of the > outputted files ? > > thx > > Francesco > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Difference between FFmpeg Formats/Containers MP4 and H264
-f mp4: file format/container is mp4 -f h264: file format is h264, even if the file extension is mp4 On Sun, May 15, 2022 at 10:58 AM Roger wrote: > >MP4 can contain a variety of streams, including h264. If you specify h264, > >you just have a raw h264 video stream, that's it. > > I've always used -f h264 until I ran into Hauppauge WinTV Version 10 using: > > ffmpeg -i "[SOURCE_FILE]" -f mp4 -vcodec libx264 -preset ultrafast > -profile:v main -acodec aac "[DEST_FILE].mp4 > > On the flip, I've never seen a *.h264 file name. > > If I'm not mistaken, the "-f" specifies the format or the container of the > video/audio stream. > > So when specifying, "-f h264", format is assuming a video only container? > > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] avsynctest
hi all it seems avsynctest filter is helpful on my job. can you demo some command line? thanks. On Tue, Apr 19, 2022 at 5:10 PM Michael Koch wrote: > Hello, > > it's unclear how the new "avsynctest" source is expected to work. The > most simple command line > > ffmpeg -f lavfi -i avsynctest=d=5 out.mov > > gives this error message: > > [lavfi @ 02741200efc0] Output pad "video" with type video of the > filter instance "Parsed_avsynctest_0" of avsynctest not connected to any > destination > avsynctest=d=5: Invalid argument > > The console output is below. > > Michael > > > > C:\Users\astro\Desktop>ffmpeg -f lavfi -i avsynctest=d=5 out.mov > ffmpeg version 2022-04-18-git-d5687236ab-full_build-www.gyan.dev > Copyright (c) 2000-2022 the FFmpeg developers >built with gcc 11.2.0 (Rev10, 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-bzlib --enable-lzma --enable-libsnappy --enable-zlib > --enable-librist --enable-libsrt --enable-libssh --enable-libzmq > --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 > --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi > --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 > --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom > --enable-libopenjpeg --enable-libvpx --enable-mediafoundation > --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi > --enable-liblensfun --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-libshaderc --enable-vulkan > --enable-libplacebo --enable-opencl --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-libgsm --enable-libopencore-amrnb --enable-libopus > --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b > --enable-libflite --enable-libmysofa --enable-librubberband > --enable-libsoxr --enable-chromaprint >libavutil 57. 24.101 / 57. 24.101 >libavcodec 59. 26.100 / 59. 26.100 >libavformat59. 22.100 / 59. 22.100 >libavdevice59. 6.100 / 59. 6.100 >libavfilter 8. 33.100 / 8. 33.100 >libswscale 6. 6.100 / 6. 6.100 >libswresample 4. 6.100 / 4. 6.100 >libpostproc56. 5.100 / 56. 5.100 > [lavfi @ 02741200efc0] Output pad "video" with type video of the > filter instance "Parsed_avsynctest_0" of avsynctest not connected to any > destination > avsynctest=d=5: Invalid argument > > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] lavfi-preview
hwo to run it On Wed, Mar 30, 2022 at 7:53 PM Paul B Mahol wrote: > Hello, > > I would like to inform you about the new tool, located here: > > https://github.com/richardpl/lavfi-preview > > It is GUI filtergraph editor and foremost ffmpeg's libavfilter filtergraph > preview tool. > > It is in early stage, but already functional. > > Regards > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] How to extract all the pictures but no repeat in an mp4 video file?
what is your meaning of 'repeat '? On Thu, Apr 21, 2022 at 10:29 PM mikelee164396 wrote: > I want to extract all the pictures in an mp4 video file , but don't repeat > it. How to implement it with ffmpeg? > > > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] showvolume filter memory leak
why do you use nut format? i think that is not popular. On Sat, Apr 23, 2022 at 7:06 AM ramon wrote: > You were right, there is no memory leak in the showvolume. Vagrind does not > detect memory leaks and graphmonitor oscillates in green colour between 1 > and 2 in the queue. > The problem I see is in the NUT output format. > > I need to generate a vumeter from the input stream and pipe to vlc. So, I > make a vumeter and use a rawvideo cocdec without encoding and pipe in nut > format to VLC. This works fine with the memory leak problem. > I have tried "-syncpoints none" option for nut but VLC won't play it. Also > I tried rawvideo format output but it doesn't work either. > > Is there any other way to send a raw video output to vlc? > > Thank you, > > On Tue, Apr 19, 2022 at 7:00 PM Paul B Mahol wrote: > > > On Tue, Apr 19, 2022 at 12:15 PM ramon wrote: > > > > > OK I'll check the pts sync as you say. > > > > > > I am simply trying the following command based on > > > > > > > > > https://hhsprings.bitbucket.io/docs/programming/examples/ffmpeg/audio_visualization/_showvolume_.html > > > and I get memory leaks., I don't know the reason. > > > > > > ffmpeg -re -stream_loop -1 -i test.mp3 -filter_complex > > > "[0:a]showvolume,scale=1920:-1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v]" > -map > > > [v] -map 0:a -c:a copy -f null - > > > > > > > > > Used valgrind and top with exact that line and spotted nothing out of > > normal. > > > > > > > > > > > > > On Mon, Apr 18, 2022 at 8:27 PM Paul B Mahol wrote: > > > > > > > On Mon, Apr 18, 2022 at 8:13 PM Paul B Mahol > wrote: > > > > > > > > > > > > > > > > > > > On Mon, Apr 18, 2022 at 7:00 PM ramon wrote: > > > > > > > > > >> Yes, I used the master versión with your 24144af2 patch. > > > > >> Your patch corectec the leak if dm (draw_persistent_duration) > > 0, > > > and > > > > >> the > > > > >> leak memory occurs also with dm=0. > > > > >> > > > > > > > > > > Does not leak here at all. > > > > > > > > > > > > > Do note that if PTS get out of sync it could start to keep yet not > used > > > > frames. > > > > > > > > Could you use graphmonitor filter after showvolume filter? The queue > > > items > > > > displayed in video should not reach red colored numbers. > > > > > > > > > > > > > > > > > > > > > > >> > > > > >> > > > > >> > > > > >> On Mon, Apr 18, 2022 at 5:51 PM Paul B Mahol > > > wrote: > > > > >> > > > > >> > On Mon, Apr 18, 2022 at 5:32 PM ramon > wrote: > > > > >> > > > > > >> > > Thanks,but not work. The memory leak is the same. > > > > >> > > The init function is called only once. > > > > >> > > > > > > >> > > > > > > >> > Sorry, use master version of ffmpeg. > > > > >> > > > > > >> > > > > > >> > > > > > > >> > > > > > > >> > > On Wed, Apr 13, 2022 at 6:24 PM Paul B Mahol < > one...@gmail.com> > > > > >> wrote: > > > > >> > > > > > > >> > > > On Wed, Apr 13, 2022 at 5:58 PM ramon > > > wrote: > > > > >> > > > > > > > >> > > > > I'm testing the showolume filter to generate a single > > vumeter > > > > >> from an > > > > >> > > > input > > > > >> > > > > stream. > > > > >> > > > > The filter works perfectly but eats memory. Approximately > > > > >> 500MBytes > > > > >> > > > every 2 > > > > >> > > > > days. > > > > >> > > > > > > > > >> > > > > Using ffmpeg version 5.0-static on GNU/Linux > > 4.15.0-45-generic > > > > >> x86_64 > > > > >> > > > > > > > > >> > > > > In normal use I use an output nut format with a pipe to a > > vlc > > > > >> player. > > > > >> > > But > > > > >> > > > > with a simple output to null it also has a memory leak. > > > > >> > > > > > > > > >> > > > > My testing commandline: > > > > >> > > > > > > > > >> > > > > ffmpeg -i udp://@239.1.1.1:1234 -filter_complex > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > > > > > > > [0:a]showvolume=r=20:ds=log:m=r:v=0:t=0:dm=2:dmc=yellow:o=h:w=320:h=8[out] > > > > >> > > > > -map [out] -map 0:a -an -c:v rawvideo -pix_fmt rgb24 -f > null > > > > >> > /dev/null > > > > >> > > > > > > > > >> > > > > > > > >> > > > Small leaks (648 bytes per each init) have been fixed. > Thanks > > > for > > > > >> > report. > > > > >> > > > > > > > >> > > > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > > Thanks, > > > > >> > > > > Ramon > > > > >> > > > > ___ > > > > >> > > > > ffmpeg-user mailing list > > > > >> > > > > ffmpeg-user@ffmpeg.org > > > > >> > > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > >> > > > > > > > > >> > > > > To unsubscribe, visit link above, or email > > > > >> > > > > ffmpeg-user-requ...@ffmpeg.org with subject > "unsubscribe". > > > > >> > > > > > > > > >> > > > ___ > > > > >> > > > ffmpeg-user mailing list > > > > >> > > > ffmpeg-user@ffmpeg.org > > > > >> > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > >> > > > > > > > >> > > > To unsubscribe, visit link above, or email > > > > >> > > >
