mirror of
https://github.com/libSDL2pp/libSDL2pp.git
synced 2025-08-04 03:15:59 -04:00
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/*
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libSDL2pp - C++ wrapper for libSDL2
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Copyright (C) 2013-2014 Dmitry Marakasov <amdmi3@amdmi3.ru>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include <iostream>
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#include <stdexcept>
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#include <SDL2/SDL.h>
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#include <SDL2pp/SDL2pp.hh>
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using namespace SDL2pp;
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int Run() {
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SDL sdl(SDL_INIT_AUDIO);
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Wav wav(TESTDATA_DIR "/test.wav");
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// Setup audio device, and provide callback which plays looped wave sound
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Uint8* wav_pos = wav.GetBuffer();
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AudioSpec spec(wav.GetSpec(), [&wav, &wav_pos](Uint8* stream, int len) {
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// Fill provided buffer with wave contents
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Uint8* stream_pos = stream;
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Uint8* stream_end = stream + len;
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while (stream_pos < stream_end) {
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Uint8* wav_end = wav.GetBuffer() + wav.GetLength();
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int copylen = std::min(wav_end - wav_pos, stream_end - stream_pos);
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std::copy(wav_pos, wav_pos + copylen, stream_pos);
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stream_pos += copylen;
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wav_pos += copylen;
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if (wav_pos >= wav_end)
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wav_pos = wav.GetBuffer();
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}
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}
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);
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// Open audio device
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AudioDevice dev("", 0, spec);
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// Ensure SDL has set up format conversion for us
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if (!spec.IsSameFormat(wav.GetSpec()))
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throw std::runtime_error("WAV format is not the same as output format");
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// Sound plays after this call
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dev.Pause(false);
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// Play for 5 seconds, after which everything is stopped and closed
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SDL_Delay(5000);
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return 0;
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}
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int main() {
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try {
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return Run();
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} catch (Exception& e) {
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std::cerr << "Error: " << e.what() << " (" << e.GetSDLError() << ")" << std::endl;
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} catch (std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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return -1;
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}
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