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
26void AudioProcessorSDL::start() {
27	if (!input()) {
28		LOG(WARN) << tr("Can't start an audio processor without input");
29		return;
30	}
31
32	if (m_audio.thread) {
33		GBASDLResumeAudio(&m_audio);
34	} else {
35		if (!m_audio.samples) {
36			m_audio.samples = input()->audioBuffers;
37		}
38		GBASDLInitAudio(&m_audio, input());
39	}
40}
41
42void AudioProcessorSDL::pause() {
43	GBASDLPauseAudio(&m_audio);
44}
45
46void AudioProcessorSDL::setBufferSamples(int samples) {
47	AudioProcessor::setBufferSamples(samples);
48	m_audio.samples = samples;
49	if (m_audio.thread) {
50		GBASDLDeinitAudio(&m_audio);
51		GBASDLInitAudio(&m_audio, input());
52	}
53}
54
55void AudioProcessorSDL::inputParametersChanged() {
56}
57
58void AudioProcessorSDL::requestSampleRate(unsigned rate) {
59	m_audio.sampleRate = rate;
60	if (m_audio.thread) {
61		GBASDLDeinitAudio(&m_audio);
62		GBASDLInitAudio(&m_audio, input());
63	}
64}
65
66unsigned AudioProcessorSDL::sampleRate() const {
67	if (m_audio.thread) {
68		return m_audio.obtainedSpec.freq;
69	} else {
70		return 0;
71	}
72}