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
10extern "C" {
11#include "gba/supervisor/thread.h"
12}
13
14using namespace QGBA;
15
16AudioProcessorSDL::AudioProcessorSDL(QObject* parent)
17	: AudioProcessor(parent)
18	, m_audio{ 2048, 44100 }
19{
20}
21
22AudioProcessorSDL::~AudioProcessorSDL() {
23	GBASDLDeinitAudio(&m_audio);
24}
25
26bool AudioProcessorSDL::start() {
27	if (!input()) {
28		LOG(WARN) << tr("Can't start an audio processor without input");
29		return false;
30	}
31
32	if (m_audio.thread) {
33		GBASDLResumeAudio(&m_audio);
34		return true;
35	} else {
36		if (!m_audio.samples) {
37			m_audio.samples = input()->audioBuffers;
38		}
39		return GBASDLInitAudio(&m_audio, input());
40	}
41}
42
43void AudioProcessorSDL::pause() {
44	GBASDLPauseAudio(&m_audio);
45}
46
47void AudioProcessorSDL::setBufferSamples(int samples) {
48	AudioProcessor::setBufferSamples(samples);
49	m_audio.samples = samples;
50	if (m_audio.thread) {
51		GBASDLDeinitAudio(&m_audio);
52		GBASDLInitAudio(&m_audio, input());
53	}
54}
55
56void AudioProcessorSDL::inputParametersChanged() {
57}
58
59void AudioProcessorSDL::requestSampleRate(unsigned rate) {
60	m_audio.sampleRate = rate;
61	if (m_audio.thread) {
62		GBASDLDeinitAudio(&m_audio);
63		GBASDLInitAudio(&m_audio, input());
64	}
65}
66
67unsigned AudioProcessorSDL::sampleRate() const {
68	if (m_audio.thread) {
69		return m_audio.obtainedSpec.freq;
70	} else {
71		return 0;
72	}
73}