I wanted to do a basic fragmented mp4 broadcast program with avformat libs and HTML5 video and MSE. This is a live stream and I use avformat to copy h264 data to mp4 fragments. Here is my basic d...

Is it possible to store a pcm audio file into .mp4 file? I used ffmpeg command "ffmpeg -i tempA.wav -acodec copy temp.mp4" but unable to store it in mp4 container file. Input #0, wav, from 'tem...

I am trying to decode an MPEG video file using LibAV. There are two terms which I am not able to grok properly, Frames and Packets. As per my present understanding, Frames are uncompressed video fr...

I'm trying to create mp4 video file with FFmpeg and C++, but in result I receive broken file (windows player shows "Can't play ... 0xc00d36c4"). If I create .h264 file, it can be played with 'ffpla...

I'm a first time user of ffmpeg and I'm having trouble with initializing an output file for mkv muxing. I followed the description on the middle of this page but it doesn't work. When I call the a...

I try to create fragmented MP4 from raw H264 video data so I could play it in internet browser's player. My goal is to create live streaming system, where media server would send fragmented MP4 pie...

By default, libavformat writes error messages to stderr, Like: Estimating duration from bitrate, this may be inaccurate How can I turn it off? or better yet, pipe it to my own neat logging functi...

I found many question about creating DVD menu using ffmpeg but i did not find any one about programmically access to DVD structure information. When i using libav (or FFmpeg) library i can open DVD...

I am multiplexing video and audio streams. Video stream comes from generated image data. The audio stream comes from aac file. Some audio files are longer than total video time I set so my strategy...

I have downloaded videos from CDN in flv format (video H264 and audio AAC) and remux to them to MP4 format. But videos are limited by length. So i've downloaded each video in several parts: started...

How can I implement the equivalent of this command: ffmpeg -i test.h264 -vcodec copy -hls_time 5 -hls_list_size 0 foo.m3u8 My understanding is that you do something like this (pseudo code for cl...

I am working on a python project that uses ffmpeg as part of its core functionality. Essentially the functionality from ffmpeg that I use boils down to these two commands: ffmpeg -i udp://<addr...

I am recording video with FFmpeg and I would like the frame rate it is written with to at least be in the right ballpark. Right now I take the frame rate that my input claims to have and use that t...

How can I detect failure from av_interleaved_write_frame/av_write_frame when the output uses TLS and the connection fails? Both functions continue to return 0 after the destination becomes unavaila...

I'm trying to record RTSP stream from Axis camera with FFmpeg libavformat. I can grab video from files and then save it to another file, this is OK. But camera sends strange data, FPS is 100 and ca...

I'm trying to copy all streams from several files into one file without transcoding streams. Something you usually do with ffmpeg utility by ffmpeg -i “file_with_audio.mp4” -i “file_with_video.mp4”...

I'm trying to convert a YUV420P image (AV_PIX_FMT_YUV420P) to a JPEG using ffmpeg's libavformat and libavcodec. This is my code so far: AVFormatContext* pFormatCtx; AVOutputFormat* fmt; AVStream* ...

I'm trying to retrieve the duration and number of frames from a WebM file using FFMPEG and libavformat. I'm adapting some code that was initially written to work with MP4s, and when passing an MP4 ...

I want to build a statically linked executable statically linked to libavcodec and libavformat. The static ffmpeg library was build with: ./configure --enable-static --enable-gpl --enable-nonfree ...

I'm currently looking to access libavutil, libavformat and libavcodec (all part of FFMpeg) from .NET. Currently, I'm getting the libraries from the automated builds of the shared FFMpeg package pe...

I want to first decode a MP3 audio file, and then increase the volume of the audio, and then encode it again into a new MP3 file. I want to use libavformat or libavcodec for this. Can you help me h...

I am trying to capture the camera output and make a video using libavcodec. As an example on how to accomplish this i have used ffmpeg muxing example. The problem is that a 4 seconds video has a s...

The libavcodec documentation is not very specific about when to free allocated data and how to free it. After reading through documentation and examples, I've put together the sample program below....

How to read H264 SPS & PPS NAL bytes using libavformat APIs? I tried reading video data to 'AVPacket' structure using "av_read_frame(input_avFormatContext, &avPkt)" API, from a .mp4 video ...

I'm currently trying to read small video files sent from a server In order to read a file using libavformat, you are supposed to call av_open_input_file(&avFormatContext, "C:\\path\\to\\video...