8 February

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 11:25
  how to insert ffmpeg to bash and zsh? - Jeluxe Newest 'ffmpeg' Questions - Stack Overflow
  As I mentioned in the title, so long story short, I installed manually and placed it in C:/ directory and added it into the user enviorments -> path. So in the cmd it working perfectly fine. But now I am trying to access it through bash and zsh but 0 success. Is there a way to do it? I tried to put path in .bashrc but didn't really know how to use it properly so it didn't work.
• 10:11
  FFMPEG how to combine -filter_complex with h264 and output to stdout - Luis Gonzalez Newest 'ffmpeg' Questions - Stack Overflow
  I need to stream some ffmpeg output that is generated with ffmpeg (audio to video); for this I'm using -filter_complex avectorscope. I am testing the pipe with ffplay, something like this works: ffmpeg -i video.mp4 -f h264 - | ffplay - and something like this also works fine (writing to a file): ffmpeg -i input.mp3 -filter_complex "[0:a]avectorscope=s=1920x1080,format=yuv420p[v]" \\ -map "[v]" -map 0:a -vcodec libx264 avectorscope.mp4 But what I really need is something like this: ffmpeg -i input.mp3 -filter_complex (...)
• 09:52
  FFMPEG Video Merging Not Works for Quality Videos taken from mobile phones - Govardhan Bollu Newest 'ffmpeg' Questions - Stack Overflow
  I have used below commond for merging video ffmpeg -f concat -safe 0 -i input.txt -copy out.mp4 but not working for some videos specially camera video's ffmpeg -f concat -safe 0 -i input.txt -copy out.mp4 #input.txt - contains input1.mp4,input2.mp4 Can above commond will works for all video's
• 09:36
  Parse dynamic mpd file with Media Source Extensions - FrankC Newest 'ffmpeg' Questions - Stack Overflow
  I just started learning about adaptive streaming, and currently I'm working on a project that needs showing a live video. In order to control some of the elements in mpd file, I determined to use MSE instead of dash.js. I refer to the code at the following URL:https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/samples/dn551368(v=vs.85) But I found out that there is no "Initialization" tag or "range" attribute in my mpd file. I don't find any relative attribute as well. By the way I'm use nginx-rtmp + ffmpeg to generate dash (...) -- https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/samples/dn551368(v=vs.85)
• 09:35
  Choose CUDA version for ffmpeg encoding - A GV Newest 'ffmpeg' Questions - Stack Overflow
  I have multiple CUDA versions installed and I need all of them, so I can’t unistall any. The problem is when I try to encode with the nvenc_h264 encoder, it doesn’t work because it says that there are multiple version of CUDA. I’m trying to choose the CUDA version, but I don’t find any parameter in ffmpeg documentation to do so. Does anyone know how to choose the CUDA version? I’m working with Linux 22 and the latest ffmpeg version with the NVIDIA (...)
• 09:18
  Overlay a graph over a Video - Balzer82 Newest 'ffmpeg' Questions - Stack Overflow
  Is there a solution to open a mp4 and overlay a graph (Matplotlib) or something like this? Something like this -- this
• 07:59
  FFMPEG - Accurately cutting video/audio and merging multiple videos together - 3EK Newest 'ffmpeg' Questions - Stack Overflow
  This post has been updated since the original post thanks in advance for any help I get with this... I am working with 4 video assets....all stereo audio, same a/v spec. intro - mainvideo - midroll_video (advert) - endboard I need to add an audio only cross fade between the 2 video elements part2.mp4 and pip.mp4. These 2 videos are made by the code (rather than being 2 of the 4 videos listed above). I have added in the code as kindly instructed by ⓐБаяр Гончикжапов but unfortunately it is still not working. See conversation below for more info/ the part i need help (...)
• 05:31
  Trim video from front with ffmpeg - Shri Kant Newest 'ffmpeg' Questions - Stack Overflow
  There is one ts segment of 6 seconds with only one key frame. i.e gop size is almost 150 (with 25fps h264 video) I want to cut that video from 00:00:02 to 00:00:04 using ffmpeg. To cut above video I am re-encoding that video but it's not working in optimal manner. (sometime video frames are freezing) Any suggestion or pointers to handle this problem ? ffmpeg -i input.ts -c:v libx264 -g 25-c:a copy output.ts
• 02:22
  How can I add one song file to multiple video files using ffmpeg? - Charlie Figueroa Newest 'ffmpeg' Questions - Stack Overflow
  I want to add one song, for example dualipa.mp3 file to "n" different videos mp4 files using ffmpeg. After running the code I need as a result to get the same "n" mp4 video files but with the one song dualipa.mp3 added to all of them. I find a code that lets you attach one song with just one video, but I need it to do it with multiple videos in order to save a lot of time: ffmpeg -i video.mp4 -i song.mp3 -c:v copy -c:a aac -map 0:v -map 1:a -shortest (...)
• 01:41
  How to zoom out image from and to specified dimensions using ffmpeg or python? - Peter.k Newest 'ffmpeg' Questions - Stack Overflow
  I have an image 3600x3600, and I want to start zooming it smoothly, beginning from 1717x1080 size, and by some designed time (f.e. 5 secs) get the size of 3600x2264. This is almost the same ratio as input (0.4 pixel of difference). I need clean code, just can't find it. There's plenty of not working solutions. EDIT According to this topic: FFmpeg zoom not smooth-centered (but zigzag) I tried doing something ffmpeg -loop 1 -i e:/gals/img.jpg -vf (...)
• 01:11
  How to trim an HLS playlist using ffmpeg? - Lef Newest 'ffmpeg' Questions - Stack Overflow
  I'm curious what is the approached way to trim a HLS playlist (a .m3u8 file and many .ts segment files)? I've generated a hls video from mp4 using the following command ffmpeg -i 1.mp4 -c copy -map 0 -segment_time 120 -sc_threshold 0 -g 72 -keyint_min 72 -segment_list 1.m3u8 -f segment 1_%03d.ts Let's assume that I've now only have access to the HLS playlist (not the mp4), how do I go about trimming this playlist? I've tried the following command ffmpeg -fflags +discardcorrupt -i 1.m3u8 -to 00:04:00 -c copy -map 0 (...)
• 01:03
  How to fix FFmpeg crashed in Android 4/5/6 by sws_setColorspaceDetails function? - hachman Newest 'ffmpeg' Questions - Stack Overflow
  I have using FFmpeg(ver 4.2) with cocos2dx game engine, and it works well at all iOS version and Android above level 24(include level 24). However, it may be crashed in Android under level 23(Andorid version 6.0.1). I am using bugly to record this problem, it located at "sws_setColorspaceDetails" function as this: #00 pc 01297b38 sws_setColorspaceDetails + 2704 [armeabi-v7a] java: org.cocos2dx.lib.Cocos2dxRenderer.onDrawFrame(Cocos2dxRenderer.java:94) android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1535) android.opengl.GLSurfaceView$GLThre

7 February

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 22:31
  Proper use of swr_convert_frame() for audio resampling with ffmpeg - kevmo314 Newest 'ffmpeg' Questions - Stack Overflow
  Are there any examples for using swr_convert_frame() to resample audio instead of swr_convert()? My code currently looks like (using cgo): if averr := C.swr_convert_frame(swrctx, outframe, inframe); averr < 0 return av_err("swr_convert_frame", averr) encodeFrame(outFrame) if delay := C.swr_get_delay(swrctx, C.int64_t(outframe.sample_rate)); delay > 0 if averr := C.swr_convert_frame(swrctx, outframe, nil); averr < 0 return av_err("swr_convert_frame", averr) encodeFrame(outFrame) However the output frame (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 19:56
  avcodec/wavarc: fix 16bit 0CPY mode - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wavarc: fix 16bit 0CPY mode [DH] libavcodec/wavarc.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 18:11
  Problem with pydub library file not found error - Ahmed543 Newest 'ffmpeg' Questions - Stack Overflow
  I had a problem while using pydub. It gives me file not found error even the path is correct. I tried a lot of methods but there is no progress
• 17:54
  ffmpeg segment command flac output broken 'length' metadata - Martin Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to use this ffmpeg command: ffmpeg -i "full_lowq.flac" -c copy -map 0 -f segment -segment_times "302.825,552.017" "%03d_output.flac" to take my flac file input "full_lowq.flac" and split it at specific points 302.825,552.017 into output audio files like so: %01d_output.flac %02d_output.flac %03d_output.flac And this command does work at the moment, except that my three outputted flac files display the wrong 'length' metadata number when viewed in the win10 file browser. like in this example every outputted file has the same length (...) -- , , https://file.io/oof3eykKwXiI
• 17:38
  Use FFMPEG as a demuxer-muxer when knowing all needed information about input stream - Javierd98 Newest 'ffmpeg' Questions - Stack Overflow
  I'm working on a project where I need to use FFMEPG only as a demuxer-muxer in order to receive a MPEG source with an audio and video streams and output the different streams separately. I also need it to introduce the smallest possible delay. In order to do this, I have all the needed information about the input: used container, audio and video codecs, audio and video rate and audio channels, so I would like to provide FFMPEG with that information and avoid the proving phase. However, I can't get FFMPEG to work without specifying a big probesize, which introduces latency, (...)
• 18:14
  android exoplayer add ffmpeg extension to my project how? - Malo Newest 'ffmpeg' Questions - Stack Overflow
  I have an android application containing exoplayer instance, some udp video play without sounds , so i want to add Ffmpeg extension to my project, i am working on windows system and need to follow the instructions below: https://github.com/google/ExoPlayer/blob/release-v2/extensions/ffmpeg/README.md So first step is Set the following shell variable: cd "" FFMPEG_MODULE_PATH="$(pwd)/extensions/ffmpeg/src/main" i downloaded Git to use as power shell, so what is pwd?? PLus... Set the host platform (use "darwin-x86_64" for Mac OS (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 15:54
  avcodec/wavarc: add support for 0CPY - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wavarc: add support for 0CPY [DH] libavcodec/wavarc.c [DH] libavformat/wavarc.c
• 15:26
  avcodec/bonk: properly handle some other errors - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avcodec/bonk: properly handle some other errors [DH] libavcodec/bonk.c
• 15:26
  avcodec/wavarc: properly handle invalid data - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wavarc: properly handle invalid data [DH] libavcodec/wavarc.c
• 14:09
  avfilter/vf_libplacebo: fix format query - Niklas Haas git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_libplacebo: fix format query We need to construct the output format list separatedly from the input format list, because we need to adhere to two extra requirements: 1. Big-endian output formats are always unsupported (runtime error) 2. Combining 'vulkan' with an explicit out_format that is not supported by the vulkan frame allocation code is illegal and will crash (abort) As a free side benefit, this rewrite fixes a possible memory leak in the `fail` path that was present in the old code. Signed-off-by: Niklas Haas <gitⓐhaasn.dev> [DH] (...)