diff options
Diffstat (limited to '3rdparty/SDL2/test/testaudiocapture.c')
-rw-r--r-- | 3rdparty/SDL2/test/testaudiocapture.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/3rdparty/SDL2/test/testaudiocapture.c b/3rdparty/SDL2/test/testaudiocapture.c deleted file mode 100644 index 26321a71c34..00000000000 --- a/3rdparty/SDL2/test/testaudiocapture.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - Copyright (C) 1997-2016 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; -} - |