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SDL_OpenAudio - man pages section 3: Library Interfaces ...
https://docs.oracle.com/cd/E88353_01/html/E37842/sdl-openaudio-3.html
SYNOPSIS #include "SDL.h" int SDL_OpenAudio (SDL_AudioSpec *desired, SDL_AudioSpec *obtained); DESCRIPTION This function opens the audio device with the desired parameters, and returns 0 if successful, placing the actual hardware parameters in the structure pointed to by obtained. If obtained is NULL, the audio data passed to the callback function will be guaranteed …
An ffmpeg and SDL Tutorial - dranger.com
http://dranger.com/ffmpeg/tutorial03.html
The SDL_OpenAudio () function is used to open the audio device itself. It takes as arguments an SDL_AudioSpec struct, which contains all the information about the audio we are going to output. Before we show how you set this up, let's explain first about how audio is handled by computers. Digital audio consists of a long stream of samples.
Tutorial: Using SDL2 and SDL_Mixer to Play Samples | Sound ...
https://soundprogramming.net/programming/tutorial-using-sdl2-and-sdl_mixer-to-play-samples/
Programming ⇝ Tutorial: Using SDL2 and SDL_Mixer to Play Samples. ... The first thing that does its call Mix_OpenAudio, which starts the audio system. The settings we use are 44.1 kHz, 16-bit, stereo with a 512 byte buffer. You can use other audio formats, but that is the most common.
An ffmpeg and SDL Tutorial - dranger.com
http://www.dranger.com/ffmpeg/ffmpegtutorial_all.html
Finally, we open the audio with SDL_OpenAudio. If you remember from the previous tutorials, we still need to open the audio codec itself. This is straightforward: AVCodec *aCodec; aCodec = avcodec_find_decoder(aCodecCtx->codec_id); if(!aCodec) { fprintf(stderr, "Unsupported codec!\n"); return -1; } avcodec_open(aCodecCtx, aCodec); Queues
Lazy Foo' Productions - Sound Effects and Music
https://www.lazyfoo.net/tutorials/SDL/21_sound_effects_and_music/index.php
To initialize SDL_mixer we need to call Mix_OpenAudio. The first argument sets the sound frequency, and 44100 is a standard frequency that works on most systems. The second argument determines the sample format, which again here we're using the default. The third argument is the number of hardware channels, and here we're using 2 channels for stereo.
Audio Examples - Simple DirectMedia Layer
https://www.libsdl.org/release/SDL-1.2.15/docs/html/guideaudioexamples.html
Opening the audio device. SDL_AudioSpec wanted; extern void fill_audio (void *udata, Uint8 *stream, int len); /* Set the audio format */ wanted.freq = 22050; wanted.format = AUDIO_S16; wanted.channels = 2; /* 1 = mono, 2 = stereo */ wanted.samples = 1024; /* Good low-latency value for callback */ wanted.callback = fill_audio; wanted.userdata = NULL; /* Open the audio device, …
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