void AudioController::OpenAudio(agi::fs::path const& url)
{
if (url.empty())
throw agi::InternalError("AudioController::OpenAudio() was passed an empty string. This must not happen.", 0);
std::unique_ptr<AudioProvider> new_provider;
try {
new_provider = AudioProviderFactory::GetProvider(url);
config::path->SetToken("?audio", url);
}
catch (agi::UserCancelException const&) {
throw;
}
catch (...) {
config::mru->Remove("Audio", url);
throw;
}
CloseAudio();
provider = std::move(new_provider);
try
{
player = AudioPlayerFactory::GetAudioPlayer(provider.get());
}
catch (...)
{
provider.reset();
throw;
}
audio_url = url;
config::mru->Add("Audio", url);
try
{
AnnounceAudioOpen(provider.get());
}
catch (...)
{
CloseAudio();
throw;
}
}
unsigned long GS_CloseAudio(unsigned long nPort)
{
PSTREAMCONFIG pm = GetStream(nPort);
if(pm==NULL)
{
return S_FALSE;
}
return CloseAudio(pm->pContrlConfig);
}
INT ReopenAudioDevice( DWORD Rate, INT OutputMode, INT Latency )
{
ALock;
debugf( NAME_Init, TEXT("Reopening audio device.") );
CloseAudio();
INT Result = OpenAudio( Rate, OutputMode, Latency );
AUnlock;
return Result;
}
void ffplayer::Close()
{
CloseAudio();
CloseVideo();
// Close the video file
if (m_pFormatCtx)
avformat_close_input(&m_pFormatCtx);
m_pFormatCtx = 0;
}
bool ffplayer::OpenAudioCode()
{
if (m_audioStream == -1)
{
return false;
}
m_pAudioCodecCtx = m_pFormatCtx->streams[m_audioStream]->codec;
// Find the decoder for the video stream
m_pAudioCodec = avcodec_find_decoder(m_pAudioCodecCtx->codec_id);
if (m_pAudioCodec == NULL)
{
// m_errorMsg = "Could not find a video decoder";
CloseAudio();
return false;
}
// Open the codec
if (avcodec_open2(m_pAudioCodecCtx, m_pAudioCodec, 0) < 0)
{
// m_errorMsg = "Could not open the video decoder";
CloseAudio();
return false;
}
m_pAudioFrame = av_frame_alloc();
if (!m_pAudioFrame)
{
CloseAudio();
return false;
}
m_bHasAudio = true;
}
void AudioController::OnComputerResuming(wxPowerEvent &)
{
if (provider)
{
try
{
player = AudioPlayerFactory::GetAudioPlayer(provider);
}
catch (...)
{
CloseAudio();
}
}
}
void AudioController::OnAudioPlayerChanged()
{
if (!IsAudioOpen()) return;
Stop();
delete player;
try
{
player = AudioPlayerFactory::GetAudioPlayer(provider);
}
catch (...)
{
CloseAudio();
throw;
}
}
AudioController::~AudioController()
{
CloseAudio();
}
void AudioController::OpenAudio(const wxString &url)
{
if (!url)
throw agi::InternalError("AudioController::OpenAudio() was passed an empty string. This must not happen.", 0);
wxString path_part;
AudioProvider *new_provider = 0;
if (url.StartsWith("dummy-audio:", &path_part))
{
/*
* scheme ::= "dummy-audio" ":" signal-specifier "?" signal-parameters
* signal-specifier ::= "silence" | "noise" | "sine" "/" frequency
* frequency ::= integer
* signal-parameters ::= signal-parameter [ "&" signal-parameters ]
* signal-parameter ::= signal-parameter-name "=" integer
* signal-parameter-name ::= "sr" | "bd" | "ch" | "ln"
*
* Signal types:
* "silence", a silent signal is generated.
* "noise", a white noise signal is generated.
* "sine", a sine wave is generated at the specified frequency.
*
* Signal parameters:
* "sr", sample rate to generate signal at.
* "bd", bit depth to generate signal at (usually 16).
* "ch", number of channels to generate, usually 1 or 2. The same signal is generated
* in every channel even if one would be LFE.
* "ln", length of signal in samples. ln/sr gives signal length in seconds.
*/
new_provider = new DummyAudioProvider(5*30*60*1000, path_part.StartsWith("noise"));
}
else if (url.StartsWith("video-audio:", &path_part))
{
/*
* scheme ::= "video-audio" ":" stream-type
* stream-type ::= "stream" | "cache"
*
* Stream types:
*
* "stream", the audio is streamed as required directly from the video provider,
* and cannot be used to drive an audio display. Seeking is unreliable.
*
* "cache", the entire audio is cached to memory or disk. Audio displays can be
* driven and seeking is reliable. Opening takes longer because the entire audio
* stream has to be decoded and stored.
*/
}
else if (url.StartsWith("file:", &path_part))
{
/*
* scheme ::= "file" ":" "//" file-system-path
*
* On Unix-like systems, the file system path is regular. On Windows-systems, the
* path uses forward slashes instead of back-slashes and the drive letter is
* preceded by a slash.
*
* URL-encoding??
*/
}
else
{
/*
* Assume it's not a URI but instead a filename in the platform's native format.
*/
try {
new_provider = AudioProviderFactory::GetProvider(url);
StandardPaths::SetPathValue("?audio", wxFileName(url).GetPath());
}
catch (agi::UserCancelException const&) {
throw;
}
catch (...) {
config::mru->Remove("Audio", STD_STR(url));
throw;
}
}
CloseAudio();
provider = new_provider;
try
{
player = AudioPlayerFactory::GetAudioPlayer(provider);
}
catch (...)
{
delete provider;
provider = 0;
throw;
}
audio_url = url;
config::mru->Add("Audio", STD_STR(url));
try
{
// Tell listeners about this.
AnnounceAudioOpen(provider);
}
catch (...)
{
CloseAudio();
throw;
}
}
EXPORT void CALL RomClosed(void)
{
WriteTrace(TraceAudioInterface, TraceDebug, "Start");
CloseAudio();
WriteTrace(TraceAudioInterface, TraceDebug, "Done");
}
static void InitializeAudio(uint32_t freq)
{
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Start (freq: %d)",freq);
if (freq < 4000)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "Sometimes a bad frequency is requested so ignore it (freq: %d)",freq);
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (g_GameFreq == freq && g_primaryBuffer != NULL)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "we are already using this frequency, so ignore it (freq: %d)",freq);
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (g_critical_failure)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "had a critical failure in setting up plugin, so ignore init");
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
/* This is important for the sync */
g_GameFreq = freq;
#ifdef ANDROID
SLuint32 sample_rate;
if((freq/1000) <= 11)
{
g_OutputFreq = 11025;
sample_rate = SL_SAMPLINGRATE_11_025;
}
else if((freq/1000) <= 22)
{
g_OutputFreq = 22050;
sample_rate = SL_SAMPLINGRATE_22_05;
}
else if((freq/1000) <= 32)
{
g_OutputFreq = 32000;
sample_rate = SL_SAMPLINGRATE_32;
}
else
{
g_OutputFreq = 44100;
sample_rate = SL_SAMPLINGRATE_44_1;
}
#endif
WriteTrace(TraceAudioInitShutdown, TraceInfo, "Requesting frequency: %iHz.", g_OutputFreq);
/* reload these because they gets re-assigned from data below, and InitializeAudio can be called more than once */
g_PrimaryBufferSize = GetSetting(Buffer_PrimarySize);
g_SecondaryBufferSize = GetSetting(Buffer_SecondarySize);
g_SecondaryBufferNbr = GetSetting(Buffer_SecondaryNbr);
/* Close everything because InitializeAudio can be called more than once */
CloseAudio();
/* Create primary buffer */
if(!CreatePrimaryBuffer())
{
WriteTrace(TraceAudioInitShutdown, TraceError, "CreatePrimaryBuffer failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
/* Create secondary buffers */
if(!CreateSecondaryBuffers())
{
WriteTrace(TraceAudioInitShutdown, TraceError, "CreateSecondaryBuffers failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
#ifdef ANDROID
/* Create thread Locks to ensure synchronization between callback and processing code */
if (pthread_mutex_init(&(g_lock.mutex), (pthread_mutexattr_t*) NULL) != 0)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "pthread_mutex_init failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (pthread_cond_init(&(g_lock.cond), (pthread_condattr_t*) NULL) != 0)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "pthread_cond_init failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
pthread_mutex_lock(&(g_lock.mutex));
g_lock.value = g_lock.limit = g_SecondaryBufferNbr;
pthread_mutex_unlock(&(g_lock.mutex));
/* Engine object */
SLresult result = slCreateEngine(&g_engineObject, 0, NULL, 0, NULL, NULL);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine failed (result: %d)",result);
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_engineObject)->Realize(g_engineObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->Realize failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_engineObject)->GetInterface(g_engineObject, SL_IID_ENGINE, &g_engineEngine);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->GetInterface failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
/* Output mix object */
result = (*g_engineEngine)->CreateOutputMix(g_engineEngine, &g_outputMixObject, 0, NULL, NULL);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->CreateOutputMix failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_outputMixObject)->Realize(g_outputMixObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_outputMixObject->Realize failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
SLDataLocator_AndroidSimpleBufferQueue loc_bufq = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, g_SecondaryBufferNbr};
SLDataFormat_PCM format_pcm = {SL_DATAFORMAT_PCM,2, sample_rate, SL_PCMSAMPLEFORMAT_FIXED_16, SL_PCMSAMPLEFORMAT_FIXED_16,
(SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT), SL_BYTEORDER_LITTLEENDIAN};
SLDataSource audioSrc = {&loc_bufq, &format_pcm};
/* Configure audio sink */
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, g_outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
/* Create audio player */
const SLInterfaceID ids1[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean req1[] = {SL_BOOLEAN_TRUE};
result = (*g_engineEngine)->CreateAudioPlayer(g_engineEngine, &(g_playerObject), &audioSrc, &audioSnk, 1, ids1, req1);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_engineEngine->CreateAudioPlayer failed (result: %d)",result);
}
}
/* Realize the player */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->Realize(g_playerObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->Realize failed (result: %d)",result);
}
}
/* Get the play interface */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->GetInterface(g_playerObject, SL_IID_PLAY, &(g_playerPlay));
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->GetInterface(SL_IID_PLAY) failed (result: %d)",result);
}
}
/* Get the buffer queue interface */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->GetInterface(g_playerObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &(g_bufferQueue));
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->GetInterface(SL_IID_ANDROIDSIMPLEBUFFERQUEUE) failed (result: %d)",result);
}
}
/* register callback on the buffer queue */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_bufferQueue)->RegisterCallback(g_bufferQueue, queueCallback, &g_lock);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "bufferQueue->RegisterCallback() failed (result: %d)",result);
}
}
/* set the player's state to playing */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerPlay)->SetPlayState(g_playerPlay, SL_PLAYSTATE_PLAYING);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerPlay->SetPlayState(SL_PLAYSTATE_PLAYING) failed (result: %d)",result);
}
}
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceNotice, "Couldn't open OpenSLES audio");
CloseAudio();
g_critical_failure = true;
}
#endif
WriteTrace(TraceAudioInitShutdown, TraceNotice, "Done");
}
void Project::LoadUnloadFiles(ProjectProperties properties) {
auto load_linked = OPT_GET("App/Auto/Load Linked Files")->GetInt();
if (!load_linked) return;
auto audio = context->path->MakeAbsolute(properties.audio_file, "?script");
auto video = context->path->MakeAbsolute(properties.video_file, "?script");
auto timecodes = context->path->MakeAbsolute(properties.timecodes_file, "?script");
auto keyframes = context->path->MakeAbsolute(properties.keyframes_file, "?script");
if (video == video_file && audio == audio_file && keyframes == keyframes_file && timecodes == timecodes_file)
return;
if (load_linked == 2) {
wxString str = _("Do you want to load/unload the associated files?");
str += "\n";
auto append_file = [&](agi::fs::path const& p, wxString const& unload, wxString const& load) {
if (p.empty())
str += "\n" + unload;
else
str += "\n" + agi::wxformat(load, p);
};
if (audio != audio_file)
append_file(audio, _("Unload audio"), _("Load audio file: %s"));
if (video != video_file)
append_file(video, _("Unload video"), _("Load video file: %s"));
if (timecodes != timecodes_file)
append_file(timecodes, _("Unload timecodes"), _("Load timecodes file: %s"));
if (keyframes != keyframes_file)
append_file(keyframes, _("Unload keyframes"), _("Load keyframes file: %s"));
if (wxMessageBox(str, _("(Un)Load files?"), wxYES_NO | wxCENTRE, context->parent) != wxYES)
return;
}
bool loaded_video = false;
if (video != video_file) {
if (video.empty())
CloseVideo();
else if ((loaded_video = DoLoadVideo(video))) {
auto vc = context->videoController.get();
vc->JumpToFrame(properties.video_position);
auto ar_mode = static_cast<AspectRatio>(properties.ar_mode);
if (ar_mode == AspectRatio::Custom)
vc->SetAspectRatio(properties.ar_value);
else
vc->SetAspectRatio(ar_mode);
context->videoDisplay->SetZoom(properties.video_zoom);
}
}
if (!timecodes.empty()) LoadTimecodes(timecodes);
if (!keyframes.empty()) LoadKeyframes(keyframes);
if (audio != audio_file) {
if (audio.empty())
CloseAudio();
else
DoLoadAudio(audio, false);
}
else if (loaded_video && OPT_GET("Video/Open Audio")->GetBool() && audio_file != video_file && video_provider->HasAudio())
DoLoadAudio(video, true);
}
void OpenSLESDriver::AI_Shutdown(void)
{
CloseAudio();
}
bool wxSoundBackendSDL::Play(wxSoundData *data, unsigned flags,
volatile wxSoundPlaybackStatus *WXUNUSED(status))
{
Stop();
int format;
if (data->m_bitsPerSample == 8)
format = AUDIO_U8;
else if (data->m_bitsPerSample == 16)
format = AUDIO_S16LSB;
else
return false;
bool needsOpen = true;
if (m_audioOpen)
{
if (format == m_spec.format &&
m_spec.freq == (int)data->m_samplingRate &&
m_spec.channels == data->m_channels)
{
needsOpen = false;
}
else
{
CloseAudio();
}
}
if (needsOpen)
{
m_spec.format = format;
m_spec.freq = data->m_samplingRate;
m_spec.channels = data->m_channels;
if (!OpenAudio())
return false;
}
SDL_LockAudio();
wxLogTrace(wxT("sound"), wxT("playing new sound"));
m_playing = true;
m_pos = 0;
m_loop = (flags & wxSOUND_LOOP);
m_data = data;
data->IncRef();
SDL_UnlockAudio();
SDL_PauseAudio(0);
// wait until playback finishes if called in sync mode:
if (!(flags & wxSOUND_ASYNC))
{
wxLogTrace(wxT("sound"), wxT("waiting for sample to finish"));
while (m_playing && m_data == data)
{
#if wxUSE_THREADS
// give the playback thread a chance to add event to pending
// events queue, release GUI lock temporarily:
if (wxThread::IsMain())
wxMutexGuiLeave();
#endif
wxMilliSleep(10);
#if wxUSE_THREADS
if (wxThread::IsMain())
wxMutexGuiEnter();
#endif
}
wxLogTrace(wxT("sound"), wxT("sample finished"));
}
return true;
}
wxSoundBackendSDL::~wxSoundBackendSDL()
{
Stop();
CloseAudio();
delete m_evtHandler;
}
/*****************************************************************************
* Open : creates a handle and opens an alsa device
*****************************************************************************
* This function opens an alsa device, through the alsa API
*****************************************************************************/
int OpenAudio( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
int i_ret;
int i_bytes_per_sample;
int i_nb_channels;
snd_pcm_channel_info_t pi;
snd_pcm_channel_params_t pp;
aout_instance_t *p_aout = (aout_instance_t *)p_this;
/* allocate structure */
p_aout->output.p_sys = malloc( sizeof( aout_sys_t ) );
if( p_aout->output.p_sys == NULL )
return -1;
/* open audio device */
if( ( i_ret = snd_pcm_open_preferred( &p_aout->output.p_sys->p_pcm_handle,
&p_aout->output.p_sys->i_card,
&p_aout->output.p_sys->i_device,
SND_PCM_OPEN_PLAYBACK ) ) < 0 )
{
msg_Err( p_aout, "unable to open audio device (%s)",
snd_strerror( i_ret ) );
free( p_aout->output.p_sys );
return -1;
}
/* disable mmap */
if( ( i_ret = snd_pcm_plugin_set_disable( p_aout->output.p_sys->p_pcm_handle,
PLUGIN_DISABLE_MMAP ) ) < 0 )
{
msg_Err( p_aout, "unable to disable mmap (%s)", snd_strerror(i_ret) );
CloseAudio( p_this );
free( p_aout->output.p_sys );
return -1;
}
p_aout->output.p_sys->p_silent_buffer = malloc( DEFAULT_FRAME_SIZE * 4 );
p_aout->output.pf_play = Play;
aout_VolumeSoftInit( p_aout );
memset( &pi, 0, sizeof(pi) );
memset( &pp, 0, sizeof(pp) );
pi.channel = SND_PCM_CHANNEL_PLAYBACK;
if( ( i_ret = snd_pcm_plugin_info( p_aout->output.p_sys->p_pcm_handle,
&pi ) ) < 0 )
{
msg_Err( p_aout, "unable to get plugin info (%s)",
snd_strerror( i_ret ) );
CloseAudio( p_this );
free( p_aout->output.p_sys );
return -1;
}
pp.mode = SND_PCM_MODE_BLOCK;
pp.channel = SND_PCM_CHANNEL_PLAYBACK;
pp.start_mode = SND_PCM_START_FULL;
pp.stop_mode = SND_PCM_STOP_STOP;
pp.buf.block.frags_max = 3;
pp.buf.block.frags_min = 1;
pp.format.interleave = 1;
pp.format.rate = p_aout->output.output.i_rate;
i_nb_channels = aout_FormatNbChannels( &p_aout->output.output );
if ( i_nb_channels > 2 )
{
/* I don't know if QNX supports more than two channels. */
i_nb_channels = 2;
p_aout->output.output.i_channels = AOUT_CHAN_STEREO;
}
pp.format.voices = i_nb_channels;
p_aout->output.output.i_format = VLC_CODEC_S16N;
p_aout->output.i_nb_samples = DEFAULT_FRAME_SIZE;
pp.format.format = SND_PCM_SFMT_S16;
i_bytes_per_sample = 2;
pp.buf.block.frag_size = p_aout->output.i_nb_samples *
p_aout->output.output.i_channels *
i_bytes_per_sample;
/* set parameters */
if( ( i_ret = snd_pcm_plugin_params( p_aout->output.p_sys->p_pcm_handle,
&pp ) ) < 0 )
{
msg_Err( p_aout, "unable to set parameters (%s)", snd_strerror(i_ret) );
CloseAudio( p_this );
free( p_aout->output.p_sys );
return -1;
}
/* prepare channel */
if( ( i_ret = snd_pcm_plugin_prepare( p_aout->output.p_sys->p_pcm_handle,
SND_PCM_CHANNEL_PLAYBACK ) ) < 0 )
{
msg_Err( p_aout, "unable to prepare channel (%s)",
snd_strerror( i_ret ) );
CloseAudio( p_this );
free( p_aout->output.p_sys );
return -1;
}
/* Create audio thread and wait for its readiness. */
if( vlc_thread_create( p_aout, "aout", QNXaoutThread,
VLC_THREAD_PRIORITY_OUTPUT ) )
{
msg_Err( p_aout, "cannot create QNX audio thread (%m)" );
CloseAudio( p_this );
free( p_aout->output.p_sys );
return -1;
}
return( 0 );
}
