libavformat

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How can I turn libavformat error messages off

By default, libavformat writes error message开发者_JS百科s to stderr, Like: Estimating duration from bitrate, this may be inaccurate[详细]

2023-04-13 04:23 分类：问答
Using FFmpeg's (libavformat) RTP data structures via dynamic linking

I want to use the RTP data structures (e.g. RTPMuxContext in libavformat/rtpenc.h) provided by FFmpeg\'s libavformat however they don\'t seem to be available with the following install:[详细]

2023-04-04 22:06 分类：问答
libav* incorrect decode

Use libav to save frames from a video. The problem is that if you call the function decode a few times, then 2nd and then not correctly handled.[详细]

2023-03-29 11:04 分类：问答
Problem with ffmpeg function avformat_seek_file()

I am trying to seek the given frame in the video using ffmpeg library. I knew that there is av_seek_frame() function but it was recommended to use avformat_seek_file()instead. Something similar mentio[详细]

2023-03-13 16:45 分类：问答
call avio_open function with non-english filename is invalid

i have been writing unicode based program with libav and i wanna make some file through libav with filename \"中.mp4\".[详细]

2023-03-11 04:44 分类：问答
Raw H264 frames in mpegts container using libavcodec

I would really appreciate some help with the following issue: I have a gadget with a camera, producing H264 compressed video frames, these frames are being sent to my application. These frames are no[详细]

2023-03-04 21:59 分类：问答
av_register_all() vs. avcodec_register()

Instead of calling av_register_all(), is there an example of selecting a single decoder to use? I guess I would have to call avcodec_register(), av_register_codec_parser() etc...[详细]

2023-02-11 01:13 分类：问答
ffmpeg - mandatory filters to use

I am compiling ffmpeg for android. Just wondering which filters are mandatory in开发者_如何学编程 the configuration. If anybody knows please suggest me.From one of the stackoverflow questions the answ[详细]

2023-02-10 19:34 分类：问答
Seeking by bytes in FFmpeg

I will appre开发者_开发问答ciate your advice on the following. I\'am developing a video converter which based on FFmpeg\'s libavformat, and I need to implement an accurate seeking API. First of all, I[详细]

2023-02-08 06:35 分类：问答
Wma decoding with ffmpeg

I am new to ffmpeg and I tried using api-example.c to decode wma files. However when I run the program, it gave me an error saying[详细]

2023-01-31 04:46 分类：问答