ffmpeg

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Need help on handling MPEG4V1 data

I\'m in situation where I need to get a chunk of MPEG4V1 (Microsoft MPEG-4 VKI Codec V1) data located in the beginning of a packet (that was sent by some DVR unit).[详细]

2023-04-05 00:02 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
Convert audio files in PHP

I need to convert AMR audio file to MP3. How can I make it in PHP without FFMPEG (i have no per开发者_如何学JAVAmissions to install it on the server). Please help me.Use SoX - the Swiss Army knife of[详细]

2023-04-04 20:22 分类：问答
ffmpeg install on windows server 2003. for use in rails app

I have a rails application which uses ffmpeg for thumbnailing/durati开发者_Python百科on/file format conversion of videos.[详细]

2023-04-04 19:22 分类：问答
What is the difference between ffmpeg -thread and ffmpeg-mt?

Post ffmpeg-mt\'s merge with ffmpeg开发者_C百科... March 21, 2011 Today FFmpeg-mt, the multithreaded decoding branch, has been merged into FFmpeg. This has been a long awaited merge, and we would l[详细]

2023-04-04 16:03 分类：问答
How to encode non-camera video in Android

I am working on an android application in which a video is dynamically generated by compositing a sequence of animation frames.I tried to use the Android Media Recorder API for this but have not found[详细]

2023-04-04 12:02 分类：问答
How can I trim mp3 file? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Crop MP3 to first 30 seconds[详细]

2023-04-04 10:09 分类：问答
Getting video dimension / resolution / width x height from ffmpeg

How would I get the height and width of a video from ffmpeg\'s informa开发者_开发技巧tion output. For example, with the following output:[详细]

2023-04-04 06:30 分类：问答
Thread count option in FFmpeg for FASTEST conversion to h264?

I need to maximize speed while converting videos using FFmpeg to h264 Any input format of source videos[详细]

2023-04-03 22:04 分类：问答
Recording Audio on website: Red5 stream or posting the audio data?

Let me first establish what I want to do: My user is able to record voicenotes on my website, add tags to said notes for indexing as well as a title. When the note is saved I save the path of the not[详细]

2023-04-03 15:38 分类：问答