mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-07-11 09:35:09 +02:00
Henrik Rydgård
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "Common/System/System.h"
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#include "Core/Config.h"
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#include "Core/HW/StereoResampler.h" // TODO: doesn't belong in Core/HW...
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#include "Core/HW/GranularMixer.h"
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#include "UI/AudioCommon.h"
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#include "UI/BackgroundAudio.h"
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#include "Core/HW/Display.h"
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StereoResampler g_resampler;
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GranularMixer g_granular;
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// numFrames is number of stereo frames.
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// This is called from *outside* the emulator thread.
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void NativeMix(int16_t *outStereo, int numFrames, int sampleRateHz, void *userdata) {
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// Mix UI sound effects on top.
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if (g_Config.iAudioSyncMode == (int)AudioSyncMode::GRANULAR) {
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// We use the FPS estimate, because to maintain smooth audio even though our
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// frame execution is very front (or back) heavy (as we can't count on "real time clock sync"
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// to be enabled), we need at least one whole frame buffered, plus a bit of extra.
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float fpsEstimate, vps, actualFps;
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__DisplayGetFPS(&vps, &fpsEstimate, &actualFps);
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g_granular.Mix(outStereo, numFrames, sampleRateHz, fpsEstimate);
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} else {
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g_resampler.Mix(outStereo, numFrames, false, sampleRateHz);
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}
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g_BackgroundAudio.SFX().Mix(outStereo, numFrames, sampleRateHz);
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}
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void System_AudioGetDebugStats(char *buf, size_t bufSize) {
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if (buf) {
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if (g_Config.iAudioSyncMode == (int)AudioSyncMode::GRANULAR) {
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snprintf(buf, bufSize, "(No stats available for granular yet)");
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} else {
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g_resampler.GetAudioDebugStats(buf, bufSize);
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}
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} else {
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g_resampler.ResetStatCounters();
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}
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}
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void System_AudioClear() {
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g_resampler.Clear();
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}
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void System_AudioPushSamples(const int32_t *audio, int numSamples, float volume) {
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if (audio) {
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if (g_Config.iAudioSyncMode == (int)AudioSyncMode::GRANULAR) {
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g_granular.PushSamples(audio, numSamples, volume);
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} else {
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g_resampler.PushSamples(audio, numSamples, volume);
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}
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} else {
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g_resampler.Clear();
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}
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}
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