mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-21 21:55:38 +00:00
Further modernizations of the audio handling code.
This commit is contained in:
parent
214a7861f9
commit
bde34ddffd
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@ -18,46 +18,7 @@ std::shared_ptr<AudioManager> AudioManager::sInstance;
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std::vector<std::shared_ptr<Sound>> AudioManager::sSoundVector;
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SDL_AudioDeviceID AudioManager::sAudioDevice = 0;
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SDL_AudioSpec AudioManager::sAudioFormat;
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void AudioManager::mixAudio(void* /*unused*/, Uint8* stream, int len)
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{
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bool stillPlaying = false;
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// Initialize the buffer to "silence".
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SDL_memset(stream, 0, len);
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// Iterate through all our samples.
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std::vector<std::shared_ptr<Sound>>::const_iterator soundIt = sSoundVector.cbegin();
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while (soundIt != sSoundVector.cend()) {
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std::shared_ptr<Sound> sound = *soundIt;
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if (sound->isPlaying()) {
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// Calculate rest length of current sample.
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Uint32 restLength = (sound->getLength() - sound->getPosition());
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if (restLength > static_cast<Uint32>(len)) {
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// If stream length is smaller than sample length, clip it.
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restLength = len;
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}
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// Mix sample into stream.
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SDL_MixAudioFormat(stream, &(sound->getData()[sound->getPosition()]), AUDIO_S16,
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restLength, Settings::getInstance()->getInt("SoundVolumeNavigation") * 1.28);
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if (sound->getPosition() + restLength < sound->getLength()) {
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//sample hasn't ended yet
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stillPlaying = true;
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}
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// Set new sound position. if this is at or beyond the end of the sample,
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// it will stop automatically.
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sound->setPosition(sound->getPosition() + restLength);
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}
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// Advance to next sound.
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++soundIt;
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}
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// We have processed all samples. check if some will still be playing.
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if (!stillPlaying) {
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// Nothing is playing, pause the audio until Sound::play() wakes us up.
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SDL_PauseAudioDevice(sAudioDevice, 1);
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}
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}
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SDL_AudioStream* AudioManager::sConversionStream;
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AudioManager::AudioManager()
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{
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@ -71,7 +32,7 @@ AudioManager::~AudioManager()
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std::shared_ptr<AudioManager>& AudioManager::getInstance()
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{
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// Check if an AudioManager instance is already created, if not create it.
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// Check if an AudioManager instance is already created, if not, create it.
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if (sInstance == nullptr)
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sInstance = std::shared_ptr<AudioManager>(new AudioManager);
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@ -100,9 +61,9 @@ void AudioManager::init()
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// Set up format and callback. Play 16-bit stereo audio at 44.1Khz.
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sRequestedAudioFormat.freq = 44100;
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sRequestedAudioFormat.format = AUDIO_S16;
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sRequestedAudioFormat.format = AUDIO_F32;
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sRequestedAudioFormat.channels = 2;
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sRequestedAudioFormat.samples = 4096;
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sRequestedAudioFormat.samples = 1024;
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sRequestedAudioFormat.callback = mixAudio;
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sRequestedAudioFormat.userdata = nullptr;
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@ -119,20 +80,29 @@ void AudioManager::init()
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}
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if (sAudioFormat.freq != sRequestedAudioFormat.freq) {
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LOG(LogDebug) << "AudioManager::init(): Requested frequency 44100 could not be "
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LOG(LogDebug) << "AudioManager::init(): Requested sampling rate " <<
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std::to_string(sRequestedAudioFormat.freq) << " could not be "
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"set, obtained " << std::to_string(sAudioFormat.freq) << ".";
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}
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if (sAudioFormat.format != sRequestedAudioFormat.format) {
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LOG(LogDebug) << "AudioManager::init(): Requested format " << AUDIO_S16 << " could not be "
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LOG(LogDebug) << "AudioManager::init(): Requested format " <<
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std::to_string(sRequestedAudioFormat.format) << " could not be "
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"set, obtained " << std::to_string(sAudioFormat.format) << ".";
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}
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if (sAudioFormat.channels != sRequestedAudioFormat.channels) {
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LOG(LogDebug) << "AudioManager::init(): Requested channel count 2 could not be "
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LOG(LogDebug) << "AudioManager::init(): Requested channel count " <<
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std::to_string(sRequestedAudioFormat.channels) << " could not be "
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"set, obtained " << std::to_string(sAudioFormat.channels) << ".";
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}
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#if defined(_WIN64)
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// Beats me why the buffer size is not divided by the channel count on Windows.
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if (sAudioFormat.samples != sRequestedAudioFormat.samples) {
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LOG(LogDebug) << "AudioManager::init(): Requested sample buffer size 4096 could not be "
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"set, obtained " << std::to_string(sAudioFormat.samples) << ".";
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#else
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if (sAudioFormat.samples != sRequestedAudioFormat.samples / sRequestedAudioFormat.channels) {
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#endif
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LOG(LogDebug) << "AudioManager::init(): Requested sample buffer size " <<
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std::to_string(sRequestedAudioFormat.samples / sRequestedAudioFormat.channels) <<
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" could not be set, obtained " << std::to_string(sAudioFormat.samples) << ".";
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}
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// Just in case someone changed the es_settings.cfg file manually to invalid values.
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@ -144,19 +114,111 @@ void AudioManager::init()
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Settings::getInstance()->setInt("SoundVolumeVideos", 100);
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if (Settings::getInstance()->getInt("SoundVolumeVideos") < 0)
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Settings::getInstance()->setInt("SoundVolumeVideos", 0);
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// Used for streaming audio from videos.
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sConversionStream = SDL_NewAudioStream(AUDIO_S16, 2, 44100, sAudioFormat.format,
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sAudioFormat.channels, sAudioFormat.freq);
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if (sConversionStream == nullptr) {
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LOG(LogError) << "Failed to create audio conversion stream:";
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LOG(LogError) << SDL_GetError();
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}
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}
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void AudioManager::deinit()
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{
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// Stop all playback.
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stop();
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// Completely tear down SDL audio. else SDL hogs audio resources and
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// emulators might fail to start...
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SDL_FreeAudioStream(sConversionStream);
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SDL_CloseAudio();
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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sInstance = nullptr;
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}
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void AudioManager::mixAudio(void* /*unused*/, Uint8* stream, int len)
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{
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// Process navigation sounds.
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bool stillPlaying = false;
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// Initialize the buffer to "silence".
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SDL_memset(stream, 0, len);
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// Iterate through all our samples.
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std::vector<std::shared_ptr<Sound>>::const_iterator soundIt = sSoundVector.cbegin();
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while (soundIt != sSoundVector.cend()) {
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std::shared_ptr<Sound> sound = *soundIt;
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if (sound->isPlaying()) {
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// Calculate rest length of current sample.
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Uint32 restLength = (sound->getLength() - sound->getPosition());
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if (restLength > static_cast<Uint32>(len)) {
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// If stream length is smaller than sample length, clip it.
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restLength = len;
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}
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// Mix sample into stream.
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SDL_MixAudioFormat(stream, &(sound->getData()[sound->getPosition()]),
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sAudioFormat.format, restLength,
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Settings::getInstance()->getInt("SoundVolumeNavigation") * 1.28);
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if (sound->getPosition() + restLength < sound->getLength()) {
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// Sample hasn't ended yet.
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stillPlaying = true;
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}
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// Set new sound position. if this is at or beyond the end of the sample,
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// it will stop automatically.
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sound->setPosition(sound->getPosition() + restLength);
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}
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// Advance to next sound.
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soundIt++;
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}
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// Process video stream audio.
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int chunkLength = SDL_AudioStreamAvailable(sConversionStream);
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if (chunkLength != 0) {
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// Initialize the buffer to "silence".
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SDL_memset(stream, 0, len);
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Uint8* converted;
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converted = new Uint8[chunkLength];
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int chunkSegment;
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// Break down the chunk into segments that do not exceed the buffer size.
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while (chunkLength > 0) {
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if (chunkLength > len) {
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chunkSegment = len;
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chunkLength -= len;
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}
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else {
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chunkSegment = chunkLength;
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chunkLength = 0;
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}
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int processedLength = SDL_AudioStreamGet(sConversionStream, converted, chunkSegment);
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if (processedLength == -1) {
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LOG(LogError) << "Failed to convert sound chunk:";
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LOG(LogError) << SDL_GetError();
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delete[] converted;
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return;
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}
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// Currently disabled as it generates a lot of debug output.
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// LOG(LogDebug) << "AudioManager::mixAudio(): chunkLength / chunkSegment "
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// "/ processedLength: " << chunkLength << " / " << chunkSegment <<
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// " / " << processedLength;
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if (processedLength > 0)
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SDL_MixAudioFormat(stream, converted, sAudioFormat.format, processedLength, 128);
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}
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delete[] converted;
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SDL_PauseAudioDevice(sAudioDevice, 1);
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}
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// We have processed all samples. check if some will still be playing.
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if (!stillPlaying) {
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// Nothing is playing, pause the audio until Sound::play() wakes us up.
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SDL_PauseAudioDevice(sAudioDevice, 1);
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}
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}
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void AudioManager::registerSound(std::shared_ptr<Sound>& sound)
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{
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sSoundVector.push_back(sound);
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@ -184,9 +246,20 @@ void AudioManager::stop()
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{
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// Stop playing all Sounds.
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for (unsigned int i = 0; i < sSoundVector.size(); i++) {
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if (sSoundVector.at(i)->isPlaying())
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if (sSoundVector.at(i) && sSoundVector.at(i)->isPlaying())
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sSoundVector[i]->stop();
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}
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// Pause audio.
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SDL_PauseAudioDevice(sAudioDevice, 1);
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}
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void AudioManager::processStream(const void *samples, unsigned count)
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{
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if (SDL_AudioStreamPut(sConversionStream, samples, count * sizeof(Uint8)) == -1) {
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LOG(LogError) << "Failed to put samples in the conversion stream:";
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LOG(LogError) << SDL_GetError();
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return;
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}
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SDL_PauseAudioDevice(sAudioDevice, 0);
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}
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@ -17,16 +17,8 @@ class Sound;
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class AudioManager
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{
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static SDL_AudioSpec sAudioFormat;
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static std::vector<std::shared_ptr<Sound>> sSoundVector;
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static std::shared_ptr<AudioManager> sInstance;
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static void mixAudio(void* unused, Uint8* stream, int len);
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AudioManager();
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public:
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static SDL_AudioDeviceID sAudioDevice;
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virtual ~AudioManager();
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static std::shared_ptr<AudioManager>& getInstance();
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void init();
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@ -38,7 +30,20 @@ public:
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void play();
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void stop();
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virtual ~AudioManager();
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// Used for streaming audio from videos.
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void processStream(const void *samples, unsigned count);
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static SDL_AudioDeviceID sAudioDevice;
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static SDL_AudioSpec sAudioFormat;
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private:
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AudioManager();
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static void mixAudio(void* unused, Uint8* stream, int len);
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static void mixAudio2(void* unused, Uint8* stream, int len);
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static SDL_AudioStream* sConversionStream;
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static std::vector<std::shared_ptr<Sound>> sSoundVector;
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static std::shared_ptr<AudioManager> sInstance;
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};
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#endif // ES_CORE_AUDIO_MANAGER_H
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@ -48,43 +48,6 @@ std::shared_ptr<Sound> Sound::getFromTheme(const std::shared_ptr<ThemeData>& the
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return get(elem->get<std::string>("path"));
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}
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NavigationSounds* NavigationSounds::getInstance()
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{
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if (sInstance == nullptr)
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sInstance = new NavigationSounds();
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return sInstance;
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}
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void NavigationSounds::deinit()
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{
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if (sInstance)
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delete sInstance;
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sInstance = nullptr;
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}
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void NavigationSounds::loadThemeNavigationSounds(const std::shared_ptr<ThemeData>& theme)
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{
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "systembrowse"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "quicksysselect"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "select"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "back"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "scroll"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "favorite"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "launch"));
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}
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void NavigationSounds::playThemeNavigationSound(NavigationSoundsID soundID)
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{
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NavigationSounds::getInstance()->navigationSounds[soundID]->play();
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}
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bool NavigationSounds::isPlayingThemeNavigationSound(NavigationSoundsID soundID)
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{
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return NavigationSounds::getInstance()->navigationSounds[soundID]->isPlaying();
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}
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Sound::Sound(
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const std::string& path)
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: mSampleData(nullptr),
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@ -123,31 +86,43 @@ void Sound::init()
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LOG(LogError) << SDL_GetError();
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return;
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}
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// Build conversion buffer.
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SDL_AudioCVT cvt;
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SDL_BuildAudioCVT(&cvt, wave.format, wave.channels, wave.freq, AUDIO_S16, 2, 44100);
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// Copy data to conversion buffer.
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cvt.len = dlen;
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cvt.buf = new Uint8[cvt.len * cvt.len_mult];
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memcpy(cvt.buf, data, dlen);
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// Convert buffer to stereo, 16bit, 44.1kHz.
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if (SDL_ConvertAudio(&cvt) < 0) {
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LOG(LogError) << "Error converting sound \"" << mPath <<
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"\" to 44.1kHz, 16bit, stereo format: " << SDL_GetError();
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delete[] cvt.buf;
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// Convert sound file to the format required by ES-DE.
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SDL_AudioStream *conversionStream = SDL_NewAudioStream(wave.format, wave.channels, wave.freq,
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AudioManager::sAudioFormat.format, AudioManager::sAudioFormat.channels,
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AudioManager::sAudioFormat.freq);
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if (conversionStream == nullptr) {
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LOG(LogError) << "Failed to create sample conversion stream:";
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LOG(LogError) << SDL_GetError();
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return;
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}
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else {
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// Worked. set up member data.
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SDL_LockAudioDevice(AudioManager::sAudioDevice);
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mSampleData = cvt.buf;
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mSampleLength = cvt.len_cvt;
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mSamplePos = 0;
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mSampleFormat.channels = 2;
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mSampleFormat.freq = 44100;
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mSampleFormat.format = AUDIO_S16;
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SDL_UnlockAudioDevice(AudioManager::sAudioDevice);
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if (SDL_AudioStreamPut(conversionStream, data, dlen) == -1) {
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LOG(LogError) << "Failed to put samples in the conversion stream:";
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LOG(LogError) << SDL_GetError();
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SDL_FreeAudioStream(conversionStream);
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return;
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}
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// Free WAV data now.
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int sampleLength = SDL_AudioStreamAvailable(conversionStream);
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Uint8* converted = new Uint8[sampleLength];
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if (SDL_AudioStreamGet(conversionStream, converted, sampleLength) == -1) {
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LOG(LogError) << "Failed to convert sound file '" << mPath << "':";
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LOG(LogError) << SDL_GetError();
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SDL_FreeAudioStream(conversionStream);
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delete[] converted;
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return;
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}
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mSampleData = converted;
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mSampleLength = sampleLength;
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mSamplePos = 0;
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mSampleFormat.freq = AudioManager::sAudioFormat.freq;
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mSampleFormat.channels = AudioManager::sAudioFormat.channels;
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mSampleFormat.format = AudioManager::sAudioFormat.format;
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SDL_FreeAudioStream(conversionStream);
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SDL_FreeWAV(data);
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}
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@ -226,9 +201,39 @@ Uint32 Sound::getLength() const
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return mSampleLength;
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}
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Uint32 Sound::getLengthMS() const
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NavigationSounds* NavigationSounds::getInstance()
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{
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// 44100 samples per second, 2 channels (stereo).
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// I have no idea why the *0.75 is necessary, but otherwise it's inaccurate.
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return static_cast<Uint32>((mSampleLength / 44100.0f / 2.0f * 0.75f) * 1000);
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if (sInstance == nullptr)
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sInstance = new NavigationSounds();
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return sInstance;
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}
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void NavigationSounds::deinit()
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{
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if (sInstance)
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delete sInstance;
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sInstance = nullptr;
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}
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void NavigationSounds::loadThemeNavigationSounds(const std::shared_ptr<ThemeData>& theme)
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{
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "systembrowse"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "quicksysselect"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "select"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "back"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "scroll"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "favorite"));
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navigationSounds.push_back(Sound::getFromTheme(theme, "all", "launch"));
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}
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void NavigationSounds::playThemeNavigationSound(NavigationSoundsID soundID)
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{
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NavigationSounds::getInstance()->navigationSounds[soundID]->play();
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}
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bool NavigationSounds::isPlayingThemeNavigationSound(NavigationSoundsID soundID)
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{
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return NavigationSounds::getInstance()->navigationSounds[soundID]->isPlaying();
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}
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@ -10,13 +10,10 @@
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#ifndef ES_CORE_SOUND_H
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#define ES_CORE_SOUND_H
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#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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#include <sstream>
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#endif
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#include <SDL2/SDL_audio.h>
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#include <map>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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@ -24,18 +21,7 @@ class ThemeData;
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class Sound
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{
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std::string mPath;
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SDL_AudioSpec mSampleFormat;
|
||||
Uint8* mSampleData;
|
||||
Uint32 mSamplePos;
|
||||
Uint32 mSampleLength;
|
||||
bool playing;
|
||||
|
||||
public:
|
||||
static std::shared_ptr<Sound> get(const std::string& path);
|
||||
static std::shared_ptr<Sound> getFromTheme(const std::shared_ptr<ThemeData>& theme,
|
||||
const std::string& view, const std::string& elem);
|
||||
|
||||
~Sound();
|
||||
|
||||
void init();
|
||||
|
@ -51,11 +37,21 @@ public:
|
|||
Uint32 getPosition() const;
|
||||
void setPosition(Uint32 newPosition);
|
||||
Uint32 getLength() const;
|
||||
Uint32 getLengthMS() const;
|
||||
|
||||
static std::shared_ptr<Sound> get(const std::string& path);
|
||||
static std::shared_ptr<Sound> getFromTheme(const std::shared_ptr<ThemeData>& theme,
|
||||
const std::string& view, const std::string& elem);
|
||||
|
||||
private:
|
||||
Sound(const std::string& path = "");
|
||||
|
||||
static std::map<std::string, std::shared_ptr<Sound>> sMap;
|
||||
std::string mPath;
|
||||
SDL_AudioSpec mSampleFormat;
|
||||
Uint8* mSampleData;
|
||||
Uint32 mSamplePos;
|
||||
Uint32 mSampleLength;
|
||||
bool playing;
|
||||
};
|
||||
|
||||
enum NavigationSoundsID {
|
||||
|
@ -83,6 +79,4 @@ private:
|
|||
std::vector<std::shared_ptr<Sound>> navigationSounds;
|
||||
};
|
||||
|
||||
extern NavigationSounds navigationsounds;
|
||||
|
||||
#endif // ES_CORE_SOUND_H
|
||||
|
|
|
@ -11,6 +11,7 @@
|
|||
#include "renderers/Renderer.h"
|
||||
#include "resources/TextureResource.h"
|
||||
#include "utils/StringUtil.h"
|
||||
#include "AudioManager.h"
|
||||
#include "Settings.h"
|
||||
#include "Window.h"
|
||||
|
||||
|
@ -29,30 +30,6 @@
|
|||
|
||||
libvlc_instance_t* VideoVlcComponent::mVLC = nullptr;
|
||||
|
||||
// VLC prepares to render a video frame.
|
||||
static void* lock(void* data, void** p_pixels)
|
||||
{
|
||||
struct VideoContext* c = reinterpret_cast<struct VideoContext*>(data);
|
||||
SDL_LockMutex(c->mutex);
|
||||
SDL_LockSurface(c->surface);
|
||||
*p_pixels = c->surface->pixels;
|
||||
return nullptr; // Picture identifier, not needed here.
|
||||
}
|
||||
|
||||
// VLC just rendered a video frame.
|
||||
static void unlock(void* data, void* /*id*/, void *const* /*p_pixels*/)
|
||||
{
|
||||
struct VideoContext* c = reinterpret_cast<struct VideoContext*>(data);
|
||||
SDL_UnlockSurface(c->surface);
|
||||
SDL_UnlockMutex(c->mutex);
|
||||
}
|
||||
|
||||
// VLC wants to display a video frame.
|
||||
static void display(void* /*data*/, void* /*id*/)
|
||||
{
|
||||
// Data to be displayed.
|
||||
}
|
||||
|
||||
VideoVlcComponent::VideoVlcComponent(Window* window)
|
||||
: VideoComponent(window), mMediaPlayer(nullptr), mContext({})
|
||||
{
|
||||
|
@ -71,6 +48,7 @@ VideoVlcComponent::~VideoVlcComponent()
|
|||
|
||||
void VideoVlcComponent::setResize(float width, float height)
|
||||
{
|
||||
// This resize function is used when stretching videos to full screen in the video screensaver.
|
||||
mTargetSize = Vector2f(width, height);
|
||||
mTargetIsMax = false;
|
||||
mStaticImage.setResize(width, height);
|
||||
|
@ -79,6 +57,8 @@ void VideoVlcComponent::setResize(float width, float height)
|
|||
|
||||
void VideoVlcComponent::setMaxSize(float width, float height)
|
||||
{
|
||||
// This resize function is used in most instances, such as non-stretched video screensaver
|
||||
// and the gamelist videos.
|
||||
mTargetSize = Vector2f(width, height);
|
||||
mTargetIsMax = true;
|
||||
mStaticImage.setMaxSize(width, height);
|
||||
|
@ -136,11 +116,6 @@ void VideoVlcComponent::resize()
|
|||
if (textureSize == Vector2f::Zero())
|
||||
return;
|
||||
|
||||
// SVG rasterization is determined by height and rasterization is done in terms of pixels.
|
||||
// If rounding is off enough in the rasterization step (for images with extreme aspect
|
||||
// ratios), it can cause cutoff when the aspect ratio breaks.
|
||||
// So we always make sure the resultant height is an integer to make sure cutoff doesn't
|
||||
// happen, and scale width from that.
|
||||
if (mTargetIsMax) {
|
||||
mSize = textureSize;
|
||||
|
||||
|
@ -155,7 +130,6 @@ void VideoVlcComponent::resize()
|
|||
mSize[1] *= resizeScale.y();
|
||||
}
|
||||
|
||||
// For SVG rasterization, always calculate width from rounded height.
|
||||
mSize[1] = Math::round(mSize[1]);
|
||||
mSize[0] = (mSize[1] / textureSize.y()) * textureSize.x();
|
||||
|
||||
|
@ -335,6 +309,8 @@ void VideoVlcComponent::startVideo()
|
|||
|
||||
if (!parseResult) {
|
||||
// Wait for a maximum of 1 second for the media parsing.
|
||||
// This maximum time is quite excessive as this step should normally
|
||||
// be completed in 15 - 30 ms or so.
|
||||
for (int i = 0; i < 200; i++) {
|
||||
if (libvlc_media_get_parsed_status(mMedia))
|
||||
break;
|
||||
|
@ -360,12 +336,55 @@ void VideoVlcComponent::startVideo()
|
|||
// Setup the media player.
|
||||
mMediaPlayer = libvlc_media_player_new_from_media(mMedia);
|
||||
|
||||
libvlc_media_player_play(mMediaPlayer);
|
||||
libvlc_video_set_callbacks(mMediaPlayer, lock, unlock, display,
|
||||
reinterpret_cast<void*>(&mContext));
|
||||
// The code below enables the libVLC audio output to be processed inside ES-DE.
|
||||
// Unfortunately this causes excessive stuttering for some reason that I still
|
||||
// don't understand, so at the moment this code is disabled. A proper mixer
|
||||
// such as SDL_mixer would be needed anyway to fully support this.
|
||||
// auto audioFormatCallback = [](void **data, char *format,
|
||||
// unsigned *rate, unsigned *channels) -> int {
|
||||
// format = const_cast<char*>("S16N");
|
||||
// *rate = 44100;
|
||||
// *channels = 2;
|
||||
// return 0;
|
||||
// };
|
||||
//
|
||||
// libvlc_audio_set_format_callbacks(mMediaPlayer,
|
||||
// audioFormatCallback, nullptr);
|
||||
//
|
||||
// auto audioPlayCallback = [](void* data, const void* samples,
|
||||
// unsigned count, int64_t pts) {
|
||||
// AudioManager::getInstance()->processStream(samples, count);
|
||||
// };
|
||||
//
|
||||
// libvlc_audio_set_callbacks(mMediaPlayer, audioPlayCallback,
|
||||
// nullptr, nullptr, nullptr, nullptr, this);
|
||||
|
||||
libvlc_video_set_format(mMediaPlayer, "RGBA", static_cast<int>(mVideoWidth),
|
||||
static_cast<int>(mVideoHeight), static_cast<int>(mVideoWidth * 4));
|
||||
|
||||
// Lock video memory as a preparation for rendering a frame.
|
||||
auto videoLockCallback = [](void* data, void** p_pixels) -> void* {
|
||||
struct VideoContext* videoContext =
|
||||
reinterpret_cast<struct VideoContext*>(data);
|
||||
SDL_LockMutex(videoContext->mutex);
|
||||
SDL_LockSurface(videoContext->surface);
|
||||
*p_pixels = videoContext->surface->pixels;
|
||||
return nullptr; // Picture identifier, not needed here.
|
||||
};
|
||||
|
||||
// Unlock the video memory after rendering a frame.
|
||||
auto videoUnlockCallback = [](void* data, void*, void *const*) {
|
||||
struct VideoContext* videoContext =
|
||||
reinterpret_cast<struct VideoContext*>(data);
|
||||
SDL_UnlockSurface(videoContext->surface);
|
||||
SDL_UnlockMutex(videoContext->mutex);
|
||||
};
|
||||
|
||||
libvlc_video_set_callbacks(mMediaPlayer, videoLockCallback,
|
||||
videoUnlockCallback, nullptr, reinterpret_cast<void*>(&mContext));
|
||||
|
||||
libvlc_media_player_play(mMediaPlayer);
|
||||
|
||||
if ((!Settings::getInstance()->getBool("GamelistVideoAudio") &&
|
||||
!mScreensaverMode) ||
|
||||
(!Settings::getInstance()->getBool("ScreensaverVideoAudio") &&
|
||||
|
|
|
@ -27,14 +27,6 @@ struct VideoContext {
|
|||
|
||||
class VideoVlcComponent : public VideoComponent
|
||||
{
|
||||
// Structure that groups together the configuration of the video component.
|
||||
struct Configuration {
|
||||
unsigned startDelay;
|
||||
bool showSnapshotNoVideo;
|
||||
bool showSnapshotDelay;
|
||||
std::string defaultVideoPath;
|
||||
};
|
||||
|
||||
public:
|
||||
VideoVlcComponent(Window* window);
|
||||
virtual ~VideoVlcComponent();
|
||||
|
@ -73,7 +65,7 @@ private:
|
|||
|
||||
static void VlcMediaParseCallback(const libvlc_event_t *event, void *user_data) {};
|
||||
|
||||
private:
|
||||
static VideoVlcComponent* sInstance;
|
||||
static libvlc_instance_t* mVLC;
|
||||
libvlc_media_t* mMedia;
|
||||
libvlc_media_player_t* mMediaPlayer;
|
||||
|
|
Loading…
Reference in a new issue