1/* Copyright (c) 2013-2015 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#include "AudioProcessorSDL.h"
 7
 8#include "LogController.h"
 9
10#include <mgba/core/thread.h>
11
12using namespace QGBA;
13
14AudioProcessorSDL::AudioProcessorSDL(QObject* parent)
15	: AudioProcessor(parent)
16{
17}
18
19void AudioProcessorSDL::setInput(std::shared_ptr<CoreController> controller) {
20	AudioProcessor::setInput(controller);
21	if (m_audio.core && input()->core != m_audio.core) {
22		mSDLDeinitAudio(&m_audio);
23		mSDLInitAudio(&m_audio, input());
24	}
25}
26
27void AudioProcessorSDL::stop() {
28	mSDLDeinitAudio(&m_audio);
29	AudioProcessor::stop();
30}
31
32bool AudioProcessorSDL::start() {
33	if (!input()) {
34		LOG(QT, WARN) << tr("Can't start an audio processor without input");
35		return false;
36	}
37
38	if (m_audio.core) {
39		mSDLResumeAudio(&m_audio);
40		return true;
41	} else {
42		if (!m_audio.samples) {
43			m_audio.samples = 2048; // TODO?
44		}
45		return mSDLInitAudio(&m_audio, input());
46	}
47}
48
49void AudioProcessorSDL::pause() {
50	mSDLPauseAudio(&m_audio);
51}
52
53void AudioProcessorSDL::setBufferSamples(int samples) {
54	AudioProcessor::setBufferSamples(samples);
55	if (m_audio.samples != static_cast<size_t>(samples)) {
56		m_audio.samples = samples;
57		if (m_audio.core) {
58			mSDLDeinitAudio(&m_audio);
59			mSDLInitAudio(&m_audio, input());
60		}
61	}
62}
63
64void AudioProcessorSDL::inputParametersChanged() {
65}
66
67void AudioProcessorSDL::requestSampleRate(unsigned rate) {
68	if (m_audio.sampleRate != rate) {
69		m_audio.sampleRate = rate;
70		if (m_audio.core) {
71			mSDLDeinitAudio(&m_audio);
72			mSDLInitAudio(&m_audio, input());
73		}
74	}
75}
76
77unsigned AudioProcessorSDL::sampleRate() const {
78	if (m_audio.core) {
79		return m_audio.obtainedSpec.freq;
80	} else {
81		return 0;
82	}
83}