mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 03:38:26 -05:00
166 lines
5.1 KiB
C
Executable File
166 lines
5.1 KiB
C
Executable File
/*
|
|
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely.
|
|
*/
|
|
#include "SDL.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#ifdef __EMSCRIPTEN__
|
|
#include <emscripten/emscripten.h>
|
|
#endif
|
|
|
|
static SDL_Window *window = NULL;
|
|
static SDL_Renderer *renderer = NULL;
|
|
static SDL_AudioSpec spec;
|
|
static SDL_AudioDeviceID devid_in = 0;
|
|
static SDL_AudioDeviceID devid_out = 0;
|
|
|
|
static void
|
|
loop()
|
|
{
|
|
SDL_bool please_quit = SDL_FALSE;
|
|
SDL_Event e;
|
|
|
|
while (SDL_PollEvent(&e)) {
|
|
if (e.type == SDL_QUIT) {
|
|
please_quit = SDL_TRUE;
|
|
} else if (e.type == SDL_KEYDOWN) {
|
|
if (e.key.keysym.sym == SDLK_ESCAPE) {
|
|
please_quit = SDL_TRUE;
|
|
}
|
|
} else if (e.type == SDL_MOUSEBUTTONDOWN) {
|
|
if (e.button.button == 1) {
|
|
SDL_PauseAudioDevice(devid_out, SDL_TRUE);
|
|
SDL_PauseAudioDevice(devid_in, SDL_FALSE);
|
|
}
|
|
} else if (e.type == SDL_MOUSEBUTTONUP) {
|
|
if (e.button.button == 1) {
|
|
SDL_PauseAudioDevice(devid_in, SDL_TRUE);
|
|
SDL_PauseAudioDevice(devid_out, SDL_FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (SDL_GetAudioDeviceStatus(devid_in) == SDL_AUDIO_PLAYING) {
|
|
SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
|
|
} else {
|
|
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
|
|
}
|
|
SDL_RenderClear(renderer);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
if (please_quit) {
|
|
/* stop playing back, quit. */
|
|
SDL_Log("Shutting down.\n");
|
|
SDL_PauseAudioDevice(devid_in, 1);
|
|
SDL_CloseAudioDevice(devid_in);
|
|
SDL_PauseAudioDevice(devid_out, 1);
|
|
SDL_CloseAudioDevice(devid_out);
|
|
SDL_DestroyRenderer(renderer);
|
|
SDL_DestroyWindow(window);
|
|
SDL_Quit();
|
|
#ifdef __EMSCRIPTEN__
|
|
emscripten_cancel_main_loop();
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
/* Note that it would be easier to just have a one-line function that
|
|
calls SDL_QueueAudio() as a capture device callback, but we're
|
|
trying to test the API, so we use SDL_DequeueAudio() here. */
|
|
while (SDL_TRUE) {
|
|
Uint8 buf[1024];
|
|
const Uint32 br = SDL_DequeueAudio(devid_in, buf, sizeof (buf));
|
|
SDL_QueueAudio(devid_out, buf, br);
|
|
if (br < sizeof (buf)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
/* (argv[1] == NULL means "open default device.") */
|
|
const char *devname = argv[1];
|
|
SDL_AudioSpec wanted;
|
|
int devcount;
|
|
int i;
|
|
|
|
/* Enable standard application logging */
|
|
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
|
|
|
|
/* Load the SDL library */
|
|
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
|
return (1);
|
|
}
|
|
|
|
window = SDL_CreateWindow("testaudiocapture", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 320, 240, 0);
|
|
renderer = SDL_CreateRenderer(window, -1, 0);
|
|
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
|
SDL_RenderClear(renderer);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
|
|
|
|
devcount = SDL_GetNumAudioDevices(SDL_TRUE);
|
|
for (i = 0; i < devcount; i++) {
|
|
SDL_Log(" Capture device #%d: '%s'\n", i, SDL_GetAudioDeviceName(i, SDL_TRUE));
|
|
}
|
|
|
|
SDL_zero(wanted);
|
|
wanted.freq = 44100;
|
|
wanted.format = AUDIO_F32SYS;
|
|
wanted.channels = 1;
|
|
wanted.samples = 4096;
|
|
wanted.callback = NULL;
|
|
|
|
SDL_zero(spec);
|
|
|
|
/* DirectSound can fail in some instances if you open the same hardware
|
|
for both capture and output and didn't open the output end first,
|
|
according to the docs, so if you're doing something like this, always
|
|
open your capture devices second in case you land in those bizarre
|
|
circumstances. */
|
|
|
|
SDL_Log("Opening default playback device...\n");
|
|
devid_out = SDL_OpenAudioDevice(NULL, SDL_FALSE, &wanted, &spec, SDL_AUDIO_ALLOW_ANY_CHANGE);
|
|
if (!devid_out) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for playback: %s!\n", SDL_GetError());
|
|
SDL_Quit();
|
|
exit(1);
|
|
}
|
|
|
|
SDL_Log("Opening capture device %s%s%s...\n",
|
|
devname ? "'" : "",
|
|
devname ? devname : "[[default]]",
|
|
devname ? "'" : "");
|
|
|
|
devid_in = SDL_OpenAudioDevice(argv[1], SDL_TRUE, &spec, &spec, 0);
|
|
if (!devid_in) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for capture: %s!\n", SDL_GetError());
|
|
SDL_Quit();
|
|
exit(1);
|
|
}
|
|
|
|
SDL_Log("Ready! Hold down mouse or finger to record!\n");
|
|
|
|
#ifdef __EMSCRIPTEN__
|
|
emscripten_set_main_loop(loop, 0, 1);
|
|
#else
|
|
while (1) { loop(); SDL_Delay(16); }
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|