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How to use FFMpeg to do Simple Audio Conversion
https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/#:~:text=If%20FFmpeg%20is%20missing%20you%20can%20easily%20install,ffmpeg%20if%20you%27re%20using%20Ubuntu%2C%20or%3A%20yaourt%20ffmpeg
merge png with mp4 ffmpeg missing audio - Stack Overflow
https://stackoverflow.com/questions/33473051/merge-png-with-mp4-ffmpeg-missing-audio
I use ffmpeg to merge mp4 and png, I use two way: use command . String cmd = "-y -i " + in.mp4 + " -i " + in.png + " -filter_complex [0:v][1:v]overlay=0:0[out] -preset veryfast -map [out] -map 1:0 -map 0:0 -codec:a copy " + out.mp4; output file missing audio: use command:
mp4 to mpeg with ffmpeg - no audio - VideoHelp Forum
https://forum.videohelp.com/threads/344711-mp4-to-mpeg-with-ffmpeg-no-audio
Stream #0:1 (eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR. The video and audio channels are in an unusual order - usually the video stream has a lower ID value than the audio. This can probably be fixed by using ffmpeg 's -map option to tell it which stream is which.
After processing with FFMPEG, some video has no audio when ...
https://forum.videohelp.com/threads/355862-After-processing-with-FFMPEG-some-video-has-no-audio-when-played-via-HTML5
I have a media site where I can upload video files. After upload, they are converted to MP4 using ffmpeg and then ffmpeg2theora converts that to OGV. I have recently discovered that some videos that I upload do not play any sound when using the HTML5 player in Firefox/Chrome, but do have sound when using the fallback Flash player in IE. I've downloaded …
ffmpeg - Howto Repaire or fix the duration of a mp4 video ...
https://video.stackexchange.com/questions/19784/howto-repaire-or-fix-the-duration-of-a-mp4-video
For that reason, you may remove entire audio from video file using "-an" ffmpeg option. When it removed, no incorrect time in video exists. You may extract audio from the initial video file, match its duration time with the video duration, and then, you encode video and audio files together, resulting no frozen video frames play. eg.
How to Convert AVI to MP4 using FFmpeg? Lossy and …
https://ottverse.com/ffmpeg-convert-avi-to-mp4-lossless/
ffmpeg -i input_filename.avi -c:v copy -c:a copy -y output_filename.mp4. Here you are telling FFMpeg the following things – the AVI video is the input; specifying the name of the output MP4 file, instructing FFmpeg to directly copy the audio and video (seen here: -c:v copy -c:a copy) from the AVI container format to the MP4 container format.
filter - ffmpeg concat with or without audio - Video ...
https://video.stackexchange.com/questions/18124/ffmpeg-concat-with-or-without-audio
1 Answer1. Active Oldest Votes. This answer is useful. 3. This answer is not useful. Show activity on this post. Use the concat demuxer instead: Create a text file of the following format. file 'C:\source.mp4' inpoint 0 duration 1 file 'C:\source.mp4' inpoint 3 duration 1 file 'C:\source.mp4' inpoint 6 duration 1 file 'C:\source.mp4' inpoint 9 ...
FFmpeg
MPEG-4 ALS encoder implementation (Mentor: Thilo Borgmann) Umair Khan updated and integrated the ALS encoder to fit in the current FFmpeg codebase. He also implemented a missing feature for the ALS decoder that enables floating-point sample decoding. FFmpeg support for MPEG-4 ALS has been improved significantly by Umair's work.
r/ffmpeg - .mkv to .mp4 but no audio (only video) when ...
https://www.reddit.com/r/ffmpeg/comments/9u4jo6/mkv_to_mp4_but_no_audio_only_video_when_importing/
Since Adobe Premiere Pro CC 2014 doesn't support .mkv I need it to be converted to something like mp4 or avi. So the video and audio turns out fine after using FFmpeg to convert it from .mkv to .mp4 when using windows media player (i have K-Lite Codec Pack) but when I import the converted video to Premiere Pro it only imports video and no audio.
How to use FFMpeg to do Simple Audio Conversion
https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/
If FFmpeg is missing you can easily install it right from the same terminal by typing: sudo apt-get install ffmpeg. if you're using Ubuntu, or: yaourt ffmpeg. if you are an Arch user. Whatever your distribution of choice, you will most certainly find ffmpeg available in your package manager. The addition of an extra repository may be necessary. Now if you type: ffmpeg –help
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