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16440 changed files with 4239995 additions and 2 deletions
253
Src/Plugins/Input/in_wmvdrm/AudioLayer.cpp
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253
Src/Plugins/Input/in_wmvdrm/AudioLayer.cpp
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#include "Main.h"
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#include "AudioLayer.h"
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#include "VideoLayer.h"
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#include <Mmreg.h>
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#include <cassert>
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#include "util.h"
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#include "config.h"
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#include "AudioThread.h"
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#include "api.h"
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#pragma warning(disable:4355) // warning C4355: 'this' : used in base member initializer list
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AudioLayer::AudioLayer(IWMReader *_reader)
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: reader(_reader), audioOutputNum( -1),
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reader2(0), offset(0), new_offset(0),
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startPosition(0), videoCatchup(0),
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opened(false), killSwitch(0),
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audioThread(this), latency(0)
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{
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reader->AddRef();
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if (FAILED(reader->QueryInterface(&reader2)))
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reader2 = 0;
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killSwitch = CreateEvent(NULL, TRUE, FALSE, NULL);
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}
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void AudioLayer::Opened()
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{
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ResetEvent(killSwitch);
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if (AudioLayer::OpenAudio())
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{
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ResetEvent(killSwitch);
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BOOL dedicatedThread = config_audio_dedicated_thread ? TRUE : FALSE;
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reader2->SetOutputSetting(audioOutputNum, g_wszDedicatedDeliveryThread, WMT_TYPE_BOOL, (BYTE *) & dedicatedThread, sizeof(dedicatedThread));
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BOOL outOfOrder = config_audio_outoforder ? TRUE : FALSE;
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reader2->SetOutputSetting(audioOutputNum, g_wszDeliverOnReceive, WMT_TYPE_BOOL, (BYTE *) & outOfOrder, sizeof(outOfOrder));
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BOOL justInTime = config_lowmemory ? TRUE : FALSE;
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reader2->SetOutputSetting(audioOutputNum, g_wszJustInTimeDecode, WMT_TYPE_BOOL, (BYTE *) & justInTime, sizeof(justInTime));
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opened = true;
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offset = ((QWORD)latency) * 10000;
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new_offset = config_audio_early ? (latency + config_audio_early_pad) : 0;
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reader2->SetOutputSetting(audioOutputNum, g_wszEarlyDataDelivery, WMT_TYPE_DWORD, (BYTE *) & new_offset , sizeof(new_offset));
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winamp.OpenViz(latency, SampleRate());
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}
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WMHandler::Opened();
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}
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void AudioLayer::Started()
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{
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ResetEvent(killSwitch);
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if (opened)
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{
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audioThread.Start(&First());
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}
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WMHandler::Started();
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}
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void AudioLayer::Stopped()
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{
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if (opened)
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audioThread.Stop();
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WMHandler::Stopped();
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}
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WM_MEDIA_TYPE *NewMediaType(IWMOutputMediaProps *props)
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{
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DWORD mediaTypeSize;
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props->GetMediaType(0, &mediaTypeSize);
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WM_MEDIA_TYPE *mediaType = (WM_MEDIA_TYPE *)new unsigned char[mediaTypeSize];
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props->GetMediaType(mediaType, &mediaTypeSize);
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return mediaType;
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}
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bool AudioLayer::OpenAudio()
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{
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audioOutputNum = -1;
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DWORD numOutputs, output, format, numFormats;
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IWMOutputMediaProps *formatProperties;
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GUID mediaType;
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if (FAILED((reader->GetOutputCount(&numOutputs))))
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return false;
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for (output = 0;output < numOutputs;output++)
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{
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HRESULT hr;
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DWORD speakerConfig = config_audio_num_channels;
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if (AGAVE_API_CONFIG && AGAVE_API_CONFIG->GetBool(playbackConfigGroupGUID, L"mono", false)) // force mono?
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speakerConfig = DSSPEAKER_MONO;
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else if (AGAVE_API_CONFIG && !AGAVE_API_CONFIG->GetBool(playbackConfigGroupGUID, L"surround", true)) // is surround disallowed?
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speakerConfig = DSSPEAKER_STEREO;
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hr = reader2->SetOutputSetting(output, g_wszSpeakerConfig, WMT_TYPE_DWORD, (BYTE *) & speakerConfig, sizeof(speakerConfig));
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assert(hr == S_OK);
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BOOL discreteChannels = TRUE;
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hr = reader2->SetOutputSetting(output, g_wszEnableDiscreteOutput, WMT_TYPE_BOOL, (BYTE *) & discreteChannels , sizeof(discreteChannels ));
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assert(hr == S_OK);
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if (FAILED(reader->GetOutputFormatCount(output, &numFormats)))
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continue;
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for (format = 0;format < numFormats;format++)
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{
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reader->GetOutputFormat(output, format, &formatProperties);
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formatProperties->GetType(&mediaType);
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if (mediaType == WMMEDIATYPE_Audio)
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{
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WM_MEDIA_TYPE *mediaType = NewMediaType(formatProperties);
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if (mediaType->subtype == WMMEDIASUBTYPE_PCM)
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{
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if (AGAVE_API_CONFIG)
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{
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unsigned int bits = AGAVE_API_CONFIG->GetUnsigned(playbackConfigGroupGUID, L"bits", 16);
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WAVEFORMATEXTENSIBLE *waveFormat = (WAVEFORMATEXTENSIBLE *) mediaType->pbFormat;
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if (waveFormat->Format.cbSize >= 22)
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waveFormat->Samples.wValidBitsPerSample=bits;
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waveFormat->Format.wBitsPerSample=bits;
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waveFormat->Format.nBlockAlign = (waveFormat->Format.wBitsPerSample / 8) * waveFormat->Format.nChannels;
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waveFormat->Format.nAvgBytesPerSec=waveFormat->Format.nSamplesPerSec * waveFormat->Format.nBlockAlign;
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if (FAILED(formatProperties->SetMediaType(mediaType)))
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{
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// blah, just use the default settings then
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delete[] mediaType;
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mediaType = NewMediaType(formatProperties);
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}
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}
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AudioFormat::Open(mediaType);
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delete mediaType;
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bool video = false;
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First().HasVideo(video);
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// this is needed to prevent an audio glitch on first playback
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if (out)
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{
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extern WMDRM mod;
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out->SetVolume(mod.GetVolume());
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out->SetPan(mod.GetPan());
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}
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latency = out->Open(SampleRate(), Channels(), ValidBits(), (video ? -666 : -1), -1);
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if (latency >= 0)
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{
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audioOutputNum = output;
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reader->SetOutputProps(audioOutputNum, formatProperties);
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formatProperties->Release();
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return true;
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}
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else
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{
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formatProperties->Release();
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AudioFormat::Close();
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continue;
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}
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}
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delete mediaType;
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formatProperties->Release();
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}
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}
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}
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return false;
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}
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void AudioLayer::SampleReceived(QWORD &timeStamp, QWORD &duration, unsigned long &outputNum, unsigned long &flags, INSSBuffer *&sample)
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{
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if (outputNum == audioOutputNum)
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{
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if (WaitForSingleObject(killSwitch, 0) == WAIT_OBJECT_0)
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return ;
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if (videoCatchup)
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{
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videoCatchup = videoCatchup / 20000;
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videoCatchup = min(videoCatchup, offset / 40000);
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unsigned int num = (unsigned int) (videoCatchup / VIDEO_ACCEPTABLE_JITTER_MS);
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while (num--)
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{
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if (WaitForSingleObject(killSwitch, VIDEO_ACCEPTABLE_JITTER_MS) == WAIT_OBJECT_0)
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return ;
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}
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videoCatchup = 0;
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}
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while (!audioThread.AddBuffer(sample, timeStamp, flags, false))
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{
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if (WaitForSingleObject(killSwitch, VIDEO_ACCEPTABLE_JITTER_MS) == WAIT_OBJECT_0)
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break;
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}
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}
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else
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WMHandler::SampleReceived(timeStamp, duration, outputNum, flags, sample);
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}
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void AudioLayer::VideoCatchup(QWORD time)
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{
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videoCatchup = time;
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WMHandler::VideoCatchup(time);
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}
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void AudioLayer::Closed()
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{
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if (opened)
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{
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out->Close();
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winamp.CloseViz();
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}
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opened = false;
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//AudioFormat::Close();
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WMHandler::Closed();
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}
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AudioLayer::~AudioLayer()
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{
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audioThread.Kill();
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if (reader2)
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reader2->Release();
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if (reader)
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reader->Release();
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CloseHandle(killSwitch);
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}
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void AudioLayer::Kill()
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{
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SetEvent(killSwitch);
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if (opened)
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audioThread.SignalStop();
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WMHandler::Kill();
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if (opened)
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audioThread.WaitForStop();
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}
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void AudioLayer::EndOfFile()
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{
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if (!opened || audioThread.EndOfFile())
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WMHandler::EndOfFile();
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}
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