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Tutorial: Using SDL2 and SDL_Mixer to Play Samples | Sound ...
https://soundprogramming.net/programming/tutorial-using-sdl2-and-sdl_mixer-to-play-samples/
Using SDL_Mixer lets you use multiple audio playback channels so you can play more than one sound at a time. This example is written using Linux. The code should also work under Windows, but it's up to you to set up your build environment and libraries. The first thing you need to have is a working build environment.
sdl_mixer - GitHub Pages
https://vladar4.github.io/sdl2_nim/sdl_mixer.html
Use sdl_mixer.CHANNEL_POST to process the postmix stream. left Volume for the left channel, range is 0 (silence) to 255 (loud). right Volume for the right channel, range is 0 (silence) to 255 (loud). This effect will only work on stereo audio. Meaning you called sdl_mixer.openAudio() with 2 channels (sdl_mixer.DEFAULT_CHANNELS).
SDL_mixer 2.0 - Simple DirectMedia Layer
https://www.libsdl.org/projects/SDL_mixer/
The latest stable release of SDL 2.0 Runs on: All platforms supported by SDL Description: SDL_mixer is a sample multi-channel audio mixer library. It supports any number of simultaneously playing channels of 16 bit stereo audio, plus a single channel of music, mixed by the popular FLAC, MikMod MOD, Timidity MIDI, Ogg Vorbis, and SMPEG MP3 libraries.
SDL_mixer 1.2 - Simple DirectMedia Layer
https://www.libsdl.org/projects/SDL_mixer/release-1.2.html
Description: SDL_mixer is a sample multi-channel audio mixer library. It supports any number of simultaneously playing channels of 16 bit stereo audio, plus a single channel of music, mixed by the popular FLAC, MikMod MOD, Timidity MIDI, Ogg Vorbis, and SMPEG MP3 libraries.
Play a sound with SDL2 (no SDL_Mixer) · GitHub
https://gist.github.com/armornick/3447121
while ( audio_len > 0) {SDL_Delay (100); } // shut everything down: SDL_CloseAudio (); SDL_FreeWAV (wav_buffer);} // audio callback function // here you have to copy the data of your audio buffer into the // requesting audio buffer (stream) // you should only copy as much as the requested length (len) void my_audio_callback (void *userdata, Uint8 *stream, int len)
sdl - 3D sound with SDL_Mixer by using HRTFs (head …
https://stackoverflow.com/questions/13232684/3d-sound-with-sdl-mixer-by-using-hrtfs-head-related-transfer-function
void HRTFEffect(int chan, void* stream, int len, void* udata){ Mix_Pause(-1); short* Y; short* X = (short*) stream; LeftRightHRTF* myHRTFs = (LeftRightHRTF*) udata; short* HL; short* HR; int m = len/2;//size= len/2 beause we use 2 bytes values (16 bit audio format => 2 byte), len is the size of stream in bytes int n = myHRTFs->nTaps; HL = new short[n+m]; HR = new …
Welcome to Audiostream’s documentation! — Audiostream 0.2 ...
http://audiostream.readthedocs.io/en/latest/
Audiostream is a Python extension that provide an easy-to-use API for streaming bytes to the speaker, or read an audio input stream. It use SDL + SDL_Mixer for streaming the audio out, and use platform-api for reading audio input. This extension works on Android and iOS as well.
SDL_MixAudioFormat - SDL Wiki - Simple DirectMedia Layer
https://wiki.libsdl.org/SDL_MixAudioFormat
It is a common misconception that this function is required to write audio data to an output stream in an audio callback. While you can do that, SDL_MixAudioFormat () is really only needed when you're mixing a single audio stream with a volume adjustment. Version This function is available since SDL 2.0.0. Code Examples
Playing sound with SDL/C++ - adamtcroft.com
https://adamtcroft.com/playing-sound-with-sdl-c/
SDL_memcpy(stream, audio->position, length); audio->position += length; audio->length -= length;} int main(int argc, char** argv) {SDL_Init(SDL_INIT_AUDIO); SDL_AudioSpec wavSpec; Uint8* wavStart; Uint32 wavLength; char* filePath = "ADD YOUR FILE PATH HERE"; if(SDL_LoadWAV(filePath, &wavSpec, &wavStart, &wavLength) == NULL)
Is there a way to speed up audio .wav file using some …
https://stackoverflow.com/questions/57348895/is-there-a-way-to-speed-up-audio-wav-file-using-some-sdl-mixers-function
void modifyStreamPlaybackSpeed(int mixChannel, void* stream, int length) { AudioFormatType* buffer = static_cast<AudioFormatType*>(stream); const int bufferSize = length / sizeof(AudioFormatType); // buffer size (as array) const int bufferDuration = computeChunkLengthMillisec(length); // buffer time duration const float speedFactor = this …
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