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14.3. Encoding with the libavcodec codec family
https://www.cs.ait.ac.th/~on/mplayer/en/menc-feat-enc-libavcodec.html#:~:text=An%20example%20with%20MJPEG%20compression%3A%20mencoder%20dvd%3A%2F%2F2%20-o,like%3A%20-lavcopts%20acodec%3Dac3%20An%20example%20with%20AC-3%20compression%3A
Libavcodec tutorial: decode virtually any audio file in C ...
https://rodic.fr/blog/libavcodec-tutorial-decode-audio-file/
The code. The function decode_audio_file takes 4 parameters: sample_rate: the desired sample rate for the output data. data: a pointer to a pointer to double precision values, where the extracted data will be stored. size: a pointer to the length of the final extracted values array (number of samples) It returns 0 upon success, and -1 in case ...
c++ - Decode audio using libavcodec and play using libAO ...
https://stackoverflow.com/questions/9799560/decode-audio-using-libavcodec-and-play-using-libao
Decode audio using libavcodec and play using libAO? Ask Question Asked 9 years, 10 months ago. Active 3 years, 8 months ago. Viewed 13k times 8 8. I use following code snippet to decode audio files (tested with MP3,WAV,WMV). But when it plays the audio , it just gives static sounds and crashes time to time. ...
codec - FFmpeg/Libav audio decode example - Stack …
https://stackoverflow.com/questions/22476217/ffmpeg-libav-audio-decode-example
I had the same problems. It seems libav mp2 decoding by default outputs in S16P format (planar) which is not so common in various audio editing applications that support raw input (audacity for example). I solved my problem by specifiying request_sample_fmt in AVCodecContext being AV_SAMPLE_FMT_S16.
Decoding and playing an audio stream using libavcodec ...
https://blinkingblip.wordpress.com/2011/10/08/decoding-and-playing-an-audio-stream-using-libavcodec-libavformat-and-libao/
libavcodec and libavformat are pretty awesome when it comes to decoding/demuxing audio streams. They provide a codec and format agnostic API that processes containers, extracts metadata, and and decodes streams as fixed-size packets one by one into PCM samples. Unfortunately, libav is not very easy on beginners. It's very difficult to find code …
Libavcodec Documentation - FFmpeg
https://ffmpeg.org/libavcodec.html
The libavcodec library provides a generic encoding/decoding framework and contains multiple decoders and encoders for audio, video and subtitle streams, and several bitstream filters. The shared architecture provides various services ranging from bit stream I/O to DSP optimizations, and makes it suitable for implementing robust and fast codecs ...
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