#ffmpeg on 2025-03-28 — irc logs at libera.irclog.whitequark.org

2025-03-03 01:06 ChanServ changed the topic of #ffmpeg to: Welcome to the FFmpeg USER support channel | Development channel: #ffmpeg-devel | Bug reports: https://ffmpeg.org/bugreports.html | Wiki: https://trac.ffmpeg.org/ | This channel is publically logged | FFmpeg 7.1.1 is released

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00:21 <cantelope> https://boss.mindhackers.org/sands/?url=https://i.imgur.com/LAftBKW.mp4

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01:43 <cantelope> https://boss.mindhackers.org/assets/uploads/1T4Omd.mp4

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05:35 <Guest86> Hi, I sent a mail to ffmpeg-user@ffmpeg.org a week ago about a configuration problem. As I got no answer I try this channel. My mail is anders.igelstrom@imagesystems.se

05:35 <Guest86> Hello,

05:35 <Guest86> I am building ffmpeg/x264 on Windows 10.

05:35 <Guest86> Have built 64-bit successfully.

05:35 <Guest86> The 32-bit configuration gives

05:35 <Guest86> Gcc version is very new and should have c11

05:35 <Guest86> This is how I set up the environment to compile.

05:35 <Guest86> Installed msys2-x86_64-20250221.exe

05:35 <Guest86> In the UCRT64 command window:

05:35 <Guest86> -pacman -S git

05:35 <Guest86> -pacman -S mingw-w64-i686-toolchain

05:35 <Guest86> -pacman -S mingw-w64-x86_64-toolchain

05:35 <Guest86> -pacman -S base-devel

05:35 <Guest86> -pacman -S yasm

05:35 <Guest86> -pacman -S nasm

05:35 <Guest86> -mkdir /src

05:35 <Guest86> -cd /src

05:35 <Guest86> In mingw32:

05:35 <Guest86> -git clone http://git.videolan.org/git/x264.git

05:35 <Guest86> -git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg

05:36 <Guest86> I don't know how to send my logfile through this channel

05:37 <Guest86> $ ./configure --prefix=/mingw32 --enable-shared --disable-static --disable-programs --disable-doc --enable-libx264 --disable-debug --host-cc=i686-w64-mingw32

05:37 <Guest86> Host compiler lacks C11 support

05:37 <Guest86> If you think configure made a mistake, make sure you are using the latest

05:37 <Guest86> version from Git. If the latest version fails, report the problem to the

05:37 <Guest86> ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.libera.chat.

05:37 <Guest86> Include the log file "ffbuild/config.log" produced by configure as this will help

05:37 <Guest86> solve the problem.

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07:18 <Guest28> Hello

07:18 <Guest28> GM

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07:19 <Guest28> I have a question to ask

07:19 <Guest28> How to convert webp to mp4?

07:20 <Guest28> When I execute this cmd, and throw one Err

07:21 <Guest28> $ ffmpeg -i 00001_.webp -b:v 2000k -bufsize 2000k -maxrate 2500k output.mp4

07:21 <Guest28> built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)

07:21 <Guest28> configuration: --prefix=/usr --extra-version='0ubuntu1~22.04.sav1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio

07:21 <Guest28> --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-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy

07:21 <Guest28> --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl

07:21 <Guest28> --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared

07:21 <Guest28> libavutil 56. 70.100 / 56. 70.100

07:21 <Guest28> libavcodec 58.134.100 / 58.134.100

07:21 <Guest28> libavformat 58. 76.100 / 58. 76.100

07:21 <Guest28> libavdevice 58. 13.100 / 58. 13.100

07:21 <Guest28> libavfilter 7.110.100 / 7.110.100

07:21 <Guest28> libswscale 5. 9.100 / 5. 9.100

07:21 <Guest28> libswresample 3. 9.100 / 3. 9.100

07:21 <Guest28> libpostproc 55. 9.100 / 55. 9.100

07:21 <Guest28> [webp @ 0x5ec450acee40] skipping unsupported chunk: ANIM

07:21 <Guest28> [webp @ 0x5ec450acee40] skipping unsupported chunk: ANMF

07:21 <Guest28> Last message repeated 72 times

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07:22 <Guest28> I can view 00001_.webp

07:22 <Guest28> It's an animation

07:27 <linkmauve> Guest28, ffmpeg doesn’t implement animated webp yet.

07:28 <Guest28> linkmauve How can I convert webp to mp4

07:29 <Guest28> linkmauve Do you have any method?

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07:30 <linkmauve> I don’t know, no. Just not with ffmpeg yet.

07:31 <Guest28> okay

07:31 <Guest28> unfortunately

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07:37 <Guest28> Can imagemagick dose it?

07:38 <linkmauve> Try it?

07:39 <linkmauve> If you can find a tool which can convert each frame to a different image, you can then use ffmpeg to do the encoding part.

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07:59 <Guest28> linkmauve: yeah imagemagick nativate support convert animated webp to mp4

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10:07 <cers> Does anyone know of any good resources on creating trick mode streams in hls?

10:09 <cers> (very preferably at the same time as generating the hls in general, not a second pass)

10:09 <JEEB> take the IRAPs from the profile(s) you want trick mode on, and make them available as such

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10:10 <JEEB> could in theory be implemented in the HLS writer in FFmpeg, but not sure anyone has cared about that

10:11 <cers> I am not an expert on trick mode at all (nor hls), maybe you can tell me, do I definitely need a trick mode stream per resolution? Or could a single one be used across them?

10:13 <cers> the way I am currently doing it while trying to figure this out, is to have filter_complex (which I use to resize the different hls resolutions) also create a single 1fps video stream, but then I have to manually edit the master playlist to indicate that it is an I-FRAME stream, not a normal video stream

10:19 <JEEB> the spec RFC should say if it's required for all

10:19 <JEEB> the software I've utilized generally seemed to generate multiple, but no idea if it's required

10:21 <cers> it *seemed* to work in the player I tried, but also it's hard to test because not a lot of players seem to support trick mode

10:21 <cers> ffmpeg seems to have some built in support for trick mode for dash, but I can't find anything for hls. Was hoping I was just blind

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12:43 <lanparty> Hi first time using ffmpeg im trying to convert mkv to mp4 same as source settings what command should i use help pls

12:50 <furq> -c copy

12:53 <lanparty> sow be like ffmpeg -c copy name.mkv output.mp4

12:54 <lanparty> or ffmpeg -c name.mkv output.mp4

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