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Use FFmpeg To Easily Extract Audio From FLV FIles
https://helpdeskgeek.com/linux-tips/use-ffmpeg-to-easily-extract-audio-from-flv-files/
Use FFmpeg To Easily Extract Audio From FLV FIles Use FFmpeg To Easily Extract Audio From FLV FIles If you’re looking to extract the audio from Flash Video files (FLV format), there are a few options available. Unfortunately, the choice many of them make for you is to encode the audio stream to a different format.
ffmpeg - Is there a way to demux a h264 video stream from ...
https://unix.stackexchange.com/questions/28350/is-there-a-way-to-demux-a-h264-video-stream-from-an-flv-h264-aac
Here is the demuxing command which produces the "invalid" stream.. ( Unknown format) ffmpeg -i " (h264-aac).flv" # get stream info # Stream #0.0: Video: h264, yuv420p, 320x240 [PAR 1:1 DAR 4:3], 259 kb/s, 29.97 tbr, 1k tbn, 59.94 tbc ffmpeg -y -map "0.0" -vcodec copy -an -i " (h264-aac).flv" \ " (h264-aac).flv.h264".
How can I extract audio from video with ffmpeg? - Stack ...
https://stackoverflow.com/questions/9913032/how-can-i-extract-audio-from-video-with-ffmpeg
If you only extract audio from a video stream, the length of the audio may be shorter than the length of the video. To make sure this doesn't happen, extract both audio AND video with the same call to ffmpeg, e.g. "ffmpeg -i vid.avi -map 0:a audio.wav …
FFmpeg Formats Documentation
https://ffmpeg.org/ffmpeg-formats.html
You can select the output format of each frame with ffmpeg by specifying the audio and video codec and format. For example to compute the CRC of the input audio converted to PCM unsigned 8-bit and the input video converted to MPEG-2 video, use the command: ffmpeg -i INPUT -c:a pcm_u8 -c:v mpeg2video -f crc -.
Demux Transport/Program Stream with FFMPEG | EddsWEB
https://eddsweb.wordpress.com/2013/03/11/demux-transportprogram-stream-with-ffmpeg/
The essential command in the below scripts to demux is; ffmpeg.exe -i (input file) -vcodec copy -f mpeg2video (outputfile.m2v) -acodec copy -f mp2 (outputfile.mp2) ~~~~~ @echo off::FFMPEG DEMUX SCRIPT – VERSION 1.0 20th November 2007:: echo. echo. echo This batch file will demux an MPEG asset to seperate video and audio retaining echo original bitrates. echo.
FLV demuxer / remuxer? (Details of my predicament inside ...
https://forum.videohelp.com/threads/280068-FLV-demuxer-remuxer-%28Details-of-my-predicament-inside%29
suggest you try- load flv in AviDemux-set both video and audio to copy,format avi-save the avi. Load avi in virtualdubmod-set video to direct stream copy-streams-streamlist-click disable-click add and add the mp3 file you want. File-Save as and save new avi. Then ffmpeg-i "new.avi" -vcodec copy -acodec copy "new.flv" edit-no need to use ffmpeg
#9235 (commit 958bea5 broke fate-flv-demux) – FFmpeg
https://trac.ffmpeg.org/ticket/9235
make fate-flv-demux V=2 KEEP=1 works well after resetting HEAD to 958bea5~1. The issue still exists after using the latest FFmpeg (commit 7fac6efa) Oldest first Newest first. Show comments Show property changes. Change History (3) comment:1 by U. Artie Eoff, 9 months ago. cc ...
Extract Audio from Video Files to WAV using FFmpeg - Savvy ...
https://savvyadmin.com/extract-audio-from-video-files-to-wav-using-ffmpeg/
Extract Audio from Video Files to WAV using FFmpeg. Posted by admin on December 15, 2009 under Tech Tips | Read the First Comment. Previously, I described how to Extract Audio from Video Files to WAV using Mplayer.Another method using FFmpeg instead of Mplayer was also pointed out in the post titled Add Stereo Audio Tracks to MKV Files, and I …
#2805 (Can not demux to elementary .h264) – FFmpeg
https://trac.ffmpeg.org/ticket/2805
Summary of the bug: Impossible to mux elementary video stream that were demuxed with ffmpeg before (h264 video stream). How to reproduce: % ffmpeg -i input.flv -c:v copy -c:a libvo_aacenc -ab 96k -ac 1 output_0.mp4 % ffmpeg -i output_0.mp4 -an -c:v copy output.h264 % ffmpeg -i output_0.mp4 -vn -c:a copy output.aac % ffmpeg -i output.h264 -i output.aac -c copy result.mp4 …
h264 remuxed from flv to mov fails on Android ... - FFmpeg
https://ffmpeg.org/trac/ffmpeg/ticket/2085
$ ffmpeg -y -i input.flv -vcodec copy -acodec libvo_aacenc -ac 1 -ar 22050 -ab 64k output.mp4 # Change container to MP4 because MP4Box doesn't work with FLV container $ MP4Box -raw 1 output.mp4 # Demux stream $ MP4Box -raw 2 output.mp4 # Demux stream $ MP4Box -add output_track1.h264:fps=15 -add output_track2.aac output.mp4 # Mux two streams back $ …
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