53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#include "audio.h"
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#include "project/sequence.h"
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#include <QAudioOutput>
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#include <QDebug>
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extern "C" {
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#include <libavcodec/avcodec.h>
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}
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QAudioOutput* audio_output;
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QIODevice* audio_io_device;
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bool audio_device_set = false;
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qint8 audio_ibuffer[audio_ibuffer_size];
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int audio_ibuffer_read = 0;
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QVector<int> audio_ibuffer_write;
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void init_audio() {
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if (audio_device_set) {
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audio_output->stop();
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delete audio_output;
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audio_device_set = false;
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}
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if (sequence != NULL) {
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QAudioFormat audio_format;
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audio_format.setSampleRate(sequence->audio_frequency);
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audio_format.setChannelCount(av_get_channel_layout_nb_channels(sequence->audio_layout));
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audio_format.setSampleSize(16);
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audio_format.setCodec("audio/pcm");
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audio_format.setByteOrder(QAudioFormat::LittleEndian);
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audio_format.setSampleType(QAudioFormat::SignedInt);
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QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
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if (!info.isFormatSupported(audio_format)) {
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qWarning() << "[WARNING] Couldn't initialize audio. Audio format is not supported by backend";
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} else {
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audio_output = new QAudioOutput(audio_format);
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// connect
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audio_io_device = audio_output->start();
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audio_device_set = true;
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clear_audio_ibuffer();
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}
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}
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}
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void clear_audio_ibuffer() {
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memset(audio_ibuffer, 0, audio_ibuffer_size);
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}
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