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SDL_mixer 1.2.10: Mix_OpenAudio - Simple DirectMedia …
https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer_11.html
4.1.4 Mix_OpenAudio . int Mix_OpenAudio(int frequency, Uint16 format, int channels, int chunksize). frequency Output sampling frequency in samples per second (Hz). you might use MIX_DEFAULT_FREQUENCY(22050) since that is a good value for most games. format Output sample format. channels Number of sound channels in output.
c++ - Can I use Mix_OpenAudio and SDL_OpenAudio in …
https://stackoverflow.com/questions/4597252/can-i-use-mix-openaudio-and-sdl-openaudio-in-the-same-game
SDL_OpenAudio() and SDL_CloseAudio() is a pair function, once you open audio some where, you must close it, or you'll get the error like. Audio device is already open. While using SDL_OpenAudio(), it's a singleton, by trace into SDL source code, you may find that there was a current_audio object and this is the global audio object. If you open multiple audio files …
SDL :: View topic - Mix_OpenAudio makes crash Windows Kernel
https://forums.libsdl.org/viewtopic.php?p=52273
Hello peoples I've a problem with Mix_OpenAudio in SDL 2.0, that makes crash Windows kernel. If i compile with GCC, no problems. If i compile with GDB, the game i'm developping crashes. I'm under Codeblocks 16.0.1. I've tried both MinGW that …
Regression: Mix_OpenAudio fails if the audio subsystem …
https://github.com/libsdl-org/SDL_mixer/issues/215
The reason is that SDL_OpenAudioDevice is now called from Mix_OpenAudio or Mix_OpenAudioDevice, rather than SDL_OpenAudio as previously used (via Mix_OpenAudio). SDL_OpenAudio differs from SDL_OpenAudioDevice by initializing the audio subsystem if it isn't init. There is at least one app which got broken by this (revision no. 6079 of EDuke32).
[Solved] why Mix_OpenAudio always failed (sdl …
https://www.codeproject.com/questions/668075/why-mix-openaudio-always-failed-sdl-programing-on
int main ( int argc, char** argv ) { if (SDL_Init (SDL_INIT_EVERYTHING)<0) return 0 ; TTF_Init (); pScreen=SDL_SetVideoMode ( 800, 600, 32 ,SDL_DOUBLEBUF|SDL_SWSURFACE); if (Mix_OpenAudio ( 44100, AUDIO_S16, 2, 4096 )<0) return 0; Mix_OpenAudio always return -1,why?
SDL_mixer 1.2.10: - Simple DirectMedia Layer
https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.html
The default mixer has this many simultaneous mixing channels after the first call to Mix_OpenAudio. MIX_DEFAULT_FREQUENCY 22050 Good default sample rate in Hz (samples per second) for PC sound cards. MIX_DEFAULT_FORMAT AUDIO_S16SYS The suggested default is signed 16bit samples in host byte order. MIX_DEFAULT_CHANNELS 2 Stereo sound is a good …
SDL 2.0.16 programs go to unrequested frequency with …
https://github.com/libsdl-org/SDL/issues/4604
Mix_OpenAudio () specifies SDL_AUDIO_ALLOW_FREQUENCY_CHANGE, so you can get back a frequency that's a better match for the hardware than you asked for. This behavior doesn't seem to be documented in the Mix_OpenAudio () docs, but it is present in the Mix_QuerySpec () docs:
SDL mixer - Simple DirectMedia Layer
https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.pdf
When using SDL mixer functions you need to avoid the following functions from SDL: SDL_OpenAudio Use Mix_OpenAudio instead. SDL_CloseAudio Use Mix_CloseAudio instead. SDL_PauseAudio Use Mix_Pause(-1) and Mix_PauseMusic instead, to pause. Use Mix_Resume(-1) and Mix_ResumeMusic instead, to unpause. SDL_LockAudio
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