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Libavcodec tutorial: decode virtually any audio file in C ...
https://rodic.fr/blog/libavcodec-tutorial-decode-audio-file/
After hours browsing the Internet, I couldn’t get my hands on a working tutorial to simply extract audio samples from a file using libavcodec. So here’s to you, a full working example! Warning. FFMPEG and the libraries it depends on are often updated, and their API can drastically change between versions. This code works with the libraries ...
c++ - Decode audio using libavcodec and play using libAO ...
https://stackoverflow.com/questions/9799560/decode-audio-using-libavcodec-and-play-using-libao
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. Any hints on what i …
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 ...
ffmpeg/api-example.c at master · rvs/ffmpeg · GitHub
https://github.com/rvs/ffmpeg/blob/master/libavcodec/api-example.c
# include " libavcodec/avcodec.h " # include " libavutil/mathematics.h " # define INBUF_SIZE 4096 # define AUDIO_INBUF_SIZE 20480 # define AUDIO_REFILL_THRESH 4096 /* * Audio encoding example */ static void audio_encode_example (const char *filename) {AVCodec *codec; AVCodecContext *c= NULL; int frame_size, i, j, out_size, outbuf_size; FILE *f ...
Internals/CodecHowTo - Libav
https://wiki.libav.org/Internals/CodecHowTo
Encoder and Decoder can be implemented within the same file if small enough or, if large, they should be split at least in 3 groups of file: Common code ; Decoder specific codec ; Encoder specific codec ; libavcodec/utvideo.c libavcodec/utvideo.h libavcodec/utvideoenc.c libavcodec/utvideodec.c
FFmpeg/decode_audio.c at master · FFmpeg/FFmpeg · …
https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/decode_audio.c
* audio decoding with libavcodec API example * * @example decode_audio.c */ # include <stdio.h> # include <stdlib.h> # include <string.h> # include <libavutil/frame.h> # include <libavutil/mem.h> # include <libavcodec/avcodec.h> # define AUDIO_INBUF_SIZE 20480 # define AUDIO_REFILL_THRESH 4096
Lei Xiaohua's learning resource about video/audio technics
http://leixiaohua1020.github.io/
simplest_ffmpeg_decoder: A decoder that can demux container format. Uses libavcodec and libavformat. simplest_ffmpeg_decoder_pure: A pure decoder. Only use libavcodec (Without libavformat). simplest_video_play_sdl2. Example about using SDL2 play YUV data. simplest_ffmpeg_helloworld: Output informations about FFmpeg libraries.
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