Refactor!

LibraryViewer/CMakeLists.txt

@@ -13,7 +13,7 @@ file(GLOB HEADERS "./public/*.hpp" "./public/*/*.hpp" "./applications/*.hpp")
 
 add_library(${PROJECT_NAME} STATIC ${SOURCES} ${HEADERS})
 
-target_include_directories(${PROJECT_NAME} PUBLIC ./public/ ${BINDINGS_INCLUDE})
+target_include_directories(${PROJECT_NAME} PUBLIC ./public/ ${BINDINGS_INCLUDE} ./ext/)
 target_link_libraries(${PROJECT_NAME} PUBLIC Graphics Connection)
 target_link_libraries(${PROJECT_NAME} PUBLIC ${BINDINGS_LIBS})
 

LibraryViewer/applications/Entry.cpp

@@ -1,22 +1,25 @@
 
 #include "NewPlacement.hpp"
-#include "WavPlayer.hpp"
-#include "LibraryGui.hpp"
 
-// load mpre track info!!
-// display if track presents on fylesystem!!
-// enable playback!!
-// monitor resource usage
-// sorting
+#include "Player.hpp"
+#include "GUI.hpp"
+
+// 1) artworks
+// 2) how to easy add more songs?
+// 3) GUi :
+// - seeker 
+// - song idx 
+// - non existing highlight
+// - prev next
+// - remove debug gui
+// 4) queue & repeat & shuffle...
+// 5) new database with history
 
 void runApp() {
 
-	TrackPlayer player;
-
-	Library library;
-	library.loadJson(getHome() + "Library.json");
-
-	auto gui = LibraryWidget<tp::Window::Events, tp::Graphics::Canvas>(&library, &player);
+	Player player;
+	Library library; library.loadJson(getHome() + "Library.json"); library.checkExisting();
+	LibraryWidget<tp::Window::Events, tp::Graphics::Canvas> gui(&library, &player);
 
   auto window = tp::Window::createWindow(800, 600, "Window 1");
 

LibraryViewer/private/Library.cpp

@@ -1,8 +1,9 @@
 
-#include "LibraryViewer.hpp"
+#include "Library.hpp"
 #include "LocalConnection.hpp"
 
 #include "picojson.h"
+#include <filesystem>
 
 namespace tp {
 	static ModuleManifest* deps[] = { &gModuleGraphics, &gModuleConnection, nullptr };
@@ -28,6 +29,25 @@ tp::String getHome() {
 	}
 }
 
+tp::String getSongLocalPath(SongId id) {
+	return getHome() + "tracks/" + tp::String((tp::alni)id);
+}
+
+SONG_FORMAT getSongFormat(const String& localPath) {
+	std::filesystem::path wavFormat((localPath + ".wav").read());
+	std::filesystem::path flacFormat((localPath + ".flac").read());
+	if (std::filesystem::exists(flacFormat)) return SONG_FORMAT::FLAC;
+	if (std::filesystem::exists(wavFormat)) return SONG_FORMAT::WAV;
+	return SONG_FORMAT::NONE;
+}
+
+void Library::checkExisting() {
+	for (auto track : mTraks) {
+		auto const path = getSongLocalPath(track->mId);
+		track->mExists = getSongFormat(path) != SONG_FORMAT::NONE;
+	}
+}
+
 bool Library::loadJson(const String& path) {
 	LocalConnection libraryFile;
 	Buffer<int1> libraryFileMem;

LibraryViewer/private/Player.cpp

@@ -0,0 +1,203 @@
+#include "Player.hpp"
+#include "Buffer.hpp"
+#include "Multithreading.hpp"
+
+#include "portaudio.h"
+
+class DeviceStream {
+	friend class Player;
+
+public:
+	DeviceStream() {
+		auto paStatus = Pa_Initialize() ;
+		mInitializationStatus = paStatus == paNoError;
+		if (!mInitializationStatus) {
+			fprintf(stderr, "An error occurred while using the portaudio stream\n");
+			fprintf(stderr, "Error number: %d\n", paStatus);
+			fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(paStatus));
+		}
+	}
+
+	~DeviceStream() {
+		if (mInitializationStatus) {
+			Pa_Terminate();
+		}
+	}
+
+	bool openStream(const tp::halnf* buffer, const tp::ualni* pointerMax, tp::ualni sampleRate) {
+		if (!mInitializationStatus) return false;
+
+		mPointerMax = pointerMax;
+		mBuffer = buffer;
+		
+		PaStreamParameters outputParameters;
+
+		outputParameters.device = Pa_GetDefaultOutputDevice();
+		if (outputParameters.device == paNoDevice) {
+			return false;
+		}
+
+		const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(outputParameters.device);
+		if (pInfo != 0) {
+			printf("Output device name: '%s'\r", pInfo->name);
+		}
+
+		outputParameters.channelCount = 2;
+		outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
+		outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
+		outputParameters.hostApiSpecificStreamInfo = NULL;
+
+		PaError err = Pa_OpenStream(&mPaStream, NULL, &outputParameters, sampleRate, 44100 * 0.2f, 0, &DeviceStream::paCallback, this);
+
+		if (err != paNoError) {
+			return false;
+		}
+
+		err = Pa_SetStreamFinishedCallback(mPaStream, &DeviceStream::paStreamFinished);
+
+		if (err != paNoError) {
+			Pa_CloseStream(mPaStream);
+			mPaStream = 0;
+			return false;
+		}
+
+		return true;
+	}
+
+	bool closeStream() {
+		if (mPaStream == 0) return false;
+		PaError err = Pa_CloseStream(mPaStream);
+
+		mPaStream = 0;
+		mBuffer = nullptr;
+		mPointerMax = 0;
+		mPointer = 0;
+
+		return (err == paNoError);
+	}
+
+	bool continueStream() {
+		if (mPaStream == 0) return false;
+		PaError err = Pa_StartStream(mPaStream);
+		return (err == paNoError);
+	}
+
+	bool freezeStream() {
+		if (mPaStream == 0) return false;
+		PaError err = Pa_StopStream(mPaStream);
+		return (err == paNoError);
+	}
+
+	tp::ualni getCurrentFrame() const {
+		return mPointer;
+	}
+
+	void setCurrentFrame(tp::ualni ptr) {
+		ptr = tp::clamp(ptr, (tp::ualni) 0, *mPointerMax);
+		mMutex.lock();
+		mPointer = ptr;
+		mMutex.unlock();
+	}
+
+private:
+	int paCallbackMethod(const void* inputBuffer, void* outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags) {
+		if (mPointer + framesPerBuffer >= *mPointerMax) return paContinue;
+
+		float* out = (float*) outputBuffer;
+		mMutex.lock();
+		for (unsigned long i = 0; i < framesPerBuffer; i++) {
+			*out++ = (mBuffer)[mPointer * 2] * mVolume;
+			*out++ = (mBuffer)[mPointer * 2 + 1] * mVolume;
+			mPointer++;
+		}
+		mMutex.unlock();
+		return paContinue;
+	}
+
+	void paStreamFinishedMethod() { printf("Stream Completed\n"); }
+
+	static int paCallback(const void* inputBuffer, void* outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void* userData) { 
+		return ((DeviceStream*) userData)->paCallbackMethod(inputBuffer, outputBuffer, framesPerBuffer, timeInfo, statusFlags); 
+	}
+
+	static void paStreamFinished(void* userData) { return ((DeviceStream*) userData)->paStreamFinishedMethod(); }
+
+private:
+	bool mInitializationStatus = false;
+	PaStream* mPaStream = nullptr;
+	tp::Mutex mMutex;
+
+	const tp::halnf* mBuffer = nullptr;
+	const tp::ualni* mPointerMax = nullptr;
+
+	tp::ualni mPointer = 0;
+	tp::halnf mVolume = 1.f;
+};
+
+Player::Player() {
+	mDeviceStream = new DeviceStream();
+}
+
+Player::~Player() {
+	delete mDeviceStream;
+}
+
+bool Player::startStreamTrack(SongId id) {
+	mDeviceStream->closeStream();
+	
+	if (!mMusicStream.openStream(id))  {
+		connected = 0;
+		return false;
+	}
+
+	if (!mDeviceStream->openStream(mMusicStream.getBuffer(), mMusicStream.getProgressLive(), mMusicStream.getRate())) {
+		connected = 0;
+		return false;
+	}
+
+	mMusicStream.continueStream();
+	
+	connected = id;
+	return true;
+}
+
+SongId Player::getPlayingId() const {
+	return connected;
+}
+
+void Player::continuePlayback() {
+	if (!connected) return;
+	mDeviceStream->continueStream();
+}
+
+void Player::freezePlayback() {
+	if (!connected) return;
+	mDeviceStream->freezeStream();
+}
+
+tp::halnf Player::getPlaybackProgress() const { 
+	if (!connected) return 0;
+	return (tp::halnf) mDeviceStream->getCurrentFrame() / (tp::halnf) mMusicStream.getFramesLength(); 
+}
+
+tp::halnf Player::getDurationSec() const { return 0; }
+
+void Player::setPlaybackProgress(tp::halnf val) {
+	if (!connected) return;
+	mDeviceStream->setCurrentFrame(val * mMusicStream.getFramesLength());
+}
+
+void Player::setVolume(tp::halnf vol) {
+	if (!connected) return;
+	mDeviceStream->mVolume = vol;
+}
+
+tp::halnf Player::getLoadProgress() const {
+	if (!connected) return 0;
+	return (tp::halnf) mMusicStream.getFramesLoaded() / (tp::halnf) mMusicStream.getFramesLength();
+}
+
+tp::halnf Player::getVolume() {
+	if (!connected) return 0;
+	return mDeviceStream->mVolume;
+}

LibraryViewer/private/Streamer.cpp

@@ -0,0 +1,125 @@
+#include "Streamer.hpp"
+
+typedef u_int8_t uint8_t;
+typedef u_int16_t uint16_t;
+typedef u_int32_t uint32_t;
+
+#define DR_FLAC_IMPLEMENTATION
+#include "dr_flac.h"
+
+#include <thread>
+
+class Context {
+public:
+	Context() = default;
+
+	bool preloadInfo(const tp::String& path, MusicStream* owner) {
+		mOwner = owner;
+
+		pFlac = drflac_open_file((path + ".flac").read(), NULL);
+
+		if (pFlac == NULL) {
+			return false;
+		}
+
+		if (pFlac->channels != 2) {
+			drflac_close(pFlac);
+			return false;
+		}
+
+		mOwner->mLengthFrames = pFlac->totalPCMFrameCount;
+		mOwner->mChanels = pFlac->channels;
+		mOwner->mRate = pFlac->sampleRate;
+
+		mOwner->mBuffer.reserve(mOwner->mLengthFrames * 2);
+		
+		return true;
+	}
+
+	void runThread() {
+		if (threadRunning) return;
+		threadRunning = true;
+		threadObj = std::thread(&Context::threadWorkStatic, this);
+	}
+
+	void stop() {
+		if (threadRunning) {
+			exitThread = true;
+			threadObj.join();
+			threadRunning = false;
+			exitThread = false;
+		}
+
+		if (pFlac) drflac_close(pFlac);
+		pFlac = nullptr;
+	}
+
+	~Context() {
+		stop();
+	}
+
+private:
+	std::thread threadObj;
+	bool threadRunning = false;
+	bool exitThread = false;
+
+	void threadWork() {
+		int framesRead = 0;
+		while (!exitThread && (framesRead = drflac_read_pcm_frames_f32(pFlac, mOwner->mRate, mOwner->mBuffer.getBuff() + mOwner->mProgress * 2)) > 0) {
+			mOwner->mProgress += framesRead;
+			// drflac_seek_to_pcm_frame(pFlac, mOwner->mProgress);
+			// tp::sleep(500);
+		}
+	}
+
+	static void threadWorkStatic(void* p) { ((Context*) p)->threadWork(); }
+
+public:
+	drflac* pFlac = nullptr;
+	MusicStream* mOwner;
+};
+
+MusicStream::MusicStream() {
+	mContext = new Context();
+}
+
+MusicStream::~MusicStream() {
+	delete mContext;
+}
+
+bool MusicStream::openStream(SongId id) {
+	closeStream();
+	auto const path = getSongLocalPath(id);
+	auto format = getSongFormat(path);
+	if (format != SONG_FORMAT::FLAC) return false;
+	return mContext->preloadInfo(path, this);
+}
+
+void MusicStream::closeStream() {
+	mContext->stop();
+	mProgress = 0;
+}
+
+tp::halnf* MusicStream::getBuffer() {
+	return mBuffer.getBuff();
+}
+
+tp::ualni* MusicStream::getProgressLive() {
+	return &mProgress;
+}
+
+tp::uhalni MusicStream::getRate() const {
+	return mRate;
+}
+
+void MusicStream::continueStream() {
+	mContext->runThread();
+}
+
+tp::ualni MusicStream::getFramesLength() const {
+	return mLengthFrames;
+}
+
+tp::ualni MusicStream::getFramesLoaded() const {
+	return mProgress;
+}

LibraryViewer/private/WavPlayer.cpp

@@ -1,248 +0,0 @@
-#include "WavPlayer.hpp"
-
-#include <math.h>
-#include <stdio.h>
-
-#include "portaudio.h"
-#include "Buffer.hpp"
-#include "Multithreading.hpp"
-
-typedef u_int8_t uint8_t;
-typedef u_int16_t uint16_t;
-typedef u_int32_t uint32_t;
-
-#include "wav_file_reader.h"
-
-class Sine {
-	friend class MusicPlayerContext;
-public:
-	Sine() {}
-
-	void setSampleRate(int aSampleRate) {
-		sampleRate = aSampleRate;
-	}
-
-	tp::Buffer<float>* geLeftBuffer() { return &leftBuffer; }
-	tp::Buffer<float>* geRightBuffer() { return &rightBuffer; }
-
-	bool open(PaDeviceIndex index) {
-		PaStreamParameters outputParameters;
-
-		outputParameters.device = index;
-		if (outputParameters.device == paNoDevice) {
-			return false;
-		}
-
-		const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(index);
-		if (pInfo != 0) {
-			printf("Output device name: '%s'\r", pInfo->name);
-		}
-
-		outputParameters.channelCount = 2;
-		outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
-		outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
-		outputParameters.hostApiSpecificStreamInfo = NULL;
-
-		PaError err = Pa_OpenStream(&stream, NULL, &outputParameters, sampleRate, paFramesPerBufferUnspecified, paClipOff, &Sine::paCallback, this);
-
-		/* Failed to open stream to device !!! */
-		if (err != paNoError) {
-			return false;
-		}
-
-		err = Pa_SetStreamFinishedCallback(stream, &Sine::paStreamFinished);
-
-		if (err != paNoError) {
-			Pa_CloseStream(stream);
-			stream = 0;
-			return false;
-		}
-
-		return true;
-	}
-
-	bool close() {
-		if (stream == 0) return false;
-		PaError err = Pa_CloseStream(stream);
-		stream = 0;
-		return (err == paNoError);
-	}
-
-	bool start() {
-		if (stream == 0) return false;
-		PaError err = Pa_StartStream(stream);
-		return (err == paNoError);
-	}
-
-	bool stop() {
-		if (stream == 0) return false;
-		PaError err = Pa_StopStream(stream);
-		return (err == paNoError);
-	}
-
-private:
-	int paCallbackMethod(const void* inputBuffer, void* outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags) {
-		float* out = (float*) outputBuffer;
-
-		mMutex.lock();
-		for (unsigned long i = 0; i < framesPerBuffer; i++) {
-			*out++ = leftBuffer[leftSampleIdx];
-			*out++ = rightBuffer[rightSampleIdx];
-			
-			leftSampleIdx += 1;
-			rightSampleIdx += 1;
-
-			if (leftSampleIdx >= leftBuffer.size()) 
-				leftSampleIdx -= 1;
-			if (rightSampleIdx >= rightBuffer.size()) 
-				rightSampleIdx -= 1;
-		}
-		mMutex.unlock();
-
-		return paContinue;
-	}
-
-	void paStreamFinishedMethod() { printf("Stream Completed\n"); }
-
-	static int paCallback(const void* inputBuffer, void* outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void* userData) { 
-		return ((Sine*) userData)->paCallbackMethod(inputBuffer, outputBuffer, framesPerBuffer, timeInfo, statusFlags); 
-	}
-
-	static void paStreamFinished(void* userData) { return ((Sine*) userData)->paStreamFinishedMethod(); }
-
-	PaStream* stream = 0;
-
-	tp::Buffer<float> leftBuffer;
-	tp::Buffer<float> rightBuffer;
-
-	int leftSampleIdx = 0;
-	int rightSampleIdx = 0;
-
-	int sampleRate = 44100;
-
-	tp::Mutex mMutex;
-};
-
-class MusicPlayerContext {
-public:
-	MusicPlayerContext() {
-		initStatus = Pa_Initialize();
-		if (initStatus != paNoError) {
-			fprintf(stderr, "An error occurred while using the portaudio stream\n");
-			fprintf(stderr, "Error number: %d\n", initStatus);
-			fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(initStatus));
-		}
-	}
-
-	bool load(SongId id) {
-		if (connected) {
-			stop();
-			sine.close();
-		}
-
-		if (loadWav(id)) {
-			connected = sine.open(Pa_GetDefaultOutputDevice());
-			return true;
-		}
-
-		return false;
-	}
-
-	void stop() {
-		if (!connected) return;
-		sine.stop();
-	}
-
-	void start() {
-		if (!connected) return;
-		sine.start();
-	}
-
-	~MusicPlayerContext() {
-		if (connected) {
-			stop();
-			sine.close();
-		}
-
-		if (initStatus == paNoError) {
-			Pa_Terminate();
-		}
-	}
-
-	bool loadWav(SongId id) {
-		AudioFile<double> audioFile;
-		
-		if (!audioFile.load(std::string(getHome().read()) + std::string("traks/") + std::to_string(id) + ".wav")) {
-			return false;
-		}
-
-		audioFile.printSummary();
-
-		sine.setSampleRate(audioFile.getSampleRate());
-
-		int numSamples = audioFile.getNumSamplesPerChannel();
-
-		auto left = sine.geLeftBuffer();
-		auto right = sine.geRightBuffer();
-
-		left->reserve(numSamples);
-		right->reserve(numSamples);
-
-		int channel = 0;
-		for (int i = 0; i < numSamples; i++) {
-			left->getBuff()[i] = audioFile.samples[0][i];
-			right->getBuff()[i] = audioFile.samples[1][i];
-		}
-
-		return true;
-	}
-
-	float getProgress() const { 
-		return float(sine.leftSampleIdx) / sine.leftBuffer.size(); 
-	}
-
-	void setProgress(float newProgress) {
-		newProgress = tp::clamp(newProgress, 0.f, 1.f);
-		sine.mMutex.lock();
-		sine.leftSampleIdx = sine.leftBuffer.size() * newProgress;
-		sine.rightSampleIdx =  sine.leftBuffer.size() * newProgress;
-		sine.mMutex.unlock();
-	}
-
-private:
-	Sine sine;
-	PaError initStatus;
-	bool connected = false;
-};
-
-TrackPlayer::TrackPlayer() {
-	mContext = new MusicPlayerContext();
-}
-
-TrackPlayer::~TrackPlayer() {
-	delete mContext;
-}
-
-bool TrackPlayer::startStreamTrack(SongId id) {
-	return mContext->load(id);
-}
-
-void TrackPlayer::playSong() {
-	mContext->start();
-}
-
-void TrackPlayer::stopSong() {
-	mContext->stop();
-}
-
-void TrackPlayer::setVolume(float volume) {}
-
-float TrackPlayer::getProgress() const { 
-	return mContext->getProgress(); 
-}
-
-float TrackPlayer::getDurationSec() const { return 0; }
-
-void TrackPlayer::setProgress(float newProgress) {
-	mContext->setProgress(newProgress);
-}

LibraryViewer/public/GUI.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "LibraryViewer.hpp"
-#include "WavPlayer.hpp"
+#include "Library.hpp"
+#include "Player.hpp"
 #include "Rect.hpp"
 #include "Animations.hpp"
 #include "imgui.h"
@@ -96,25 +96,34 @@ public:
 	void RenderUI() {
 		ImGui::Begin("InfoWindow", 0, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoResize);
 
-		if (mTrack && ImGui::Button("load")) {
-			mLoadStatus = mPlayer->startStreamTrack(mTrack->mId);
-		}
+		if (mTrack) {
 
-		ImGui::SameLine(); ImGui::Text(" Load Status : %s", mLoadStatus ? "Loaded" : "Not Loaded");
+			ImGui::Text(" Load Status : %s", mLoadStatus ? "Loaded" : "Not Loaded");
 
-		if (mTrack && mLoadStatus) {
-			auto songProgress = mPlayer->getProgress();
-			ImGui::SliderFloat("Progress", &songProgress, 0.f, 1.f);
-			mPlayer->setProgress(songProgress);
-		}
+			if (ImGui::Button("Play")) {
+				if (mPlayer->getPlayingId() != mTrack->mId) {
+					mLoadStatus = mPlayer->startStreamTrack(mTrack->mId);
+				}
+				mPlayer->continuePlayback();
+			}
 
-		if (ImGui::Button("Play")) {
-			mPlayer->playSong();
-		}
+			if (mLoadStatus) {
 
-		ImGui::SameLine();
-		if (ImGui::Button("Stop")) {
-			mPlayer->stopSong();
+				ImGui::SameLine();
+				if (ImGui::Button("Stop")) {
+					mPlayer->freezePlayback();
+				}
+
+				auto songProgress = mPlayer->getPlaybackProgress();
+				auto vol = mPlayer->getVolume();
+				ImGui::Text("Load Progress : %f", mPlayer->getLoadProgress());
+				if (ImGui::SliderFloat("Progress", &songProgress, 0.f, 1.f)) {
+					mPlayer->setPlaybackProgress(songProgress);
+				}
+				if (ImGui::SliderFloat("Volume", &vol, 0.f, 1.f)) {
+					mPlayer->setVolume(vol);
+				}
+			}
 		}
 
 		ImGui::Text("Song Info:");
@@ -138,6 +147,10 @@ public:
 			isSongFilterChanged |= true;
 		}
 		
+		if (ImGui::SliderInt("Existing only", &filterExisting, 0, 3)) {
+			isSongFilterChanged |= true;
+		}
+
 		isSongFilterChanged |= songFilter.Draw("Song Filter");
 		
 		sortFilter.Draw("Sorting Type");
@@ -170,9 +183,10 @@ public:
 	tp::Buffer<SortType> items;
 	const Track* mTrack;
 	bool filterLoved = false;
-	TrackPlayer* mPlayer = nullptr;
+	Player* mPlayer = nullptr;
 	bool mLoadStatus = false;
 	bool isSongFilterChanged = true;
+	int filterExisting = 0; // all existing no-existing
 };
 
 
@@ -300,7 +314,7 @@ public:
 template <typename Events, typename Canvas> requires(DrawableConcept<Canvas>)
 class LibraryWidget {
 public:
-	LibraryWidget(Library* lib, TrackPlayer* player) : mLibrary(lib), mPlayer(player) {
+	LibraryWidget(Library* lib, Player* player) : mLibrary(lib), mPlayer(player) {
 		for (auto track : mLibrary->mTraks) {
 			mTraks.append(TrackWidget<Events, Canvas>(&track.data()));
 		}
@@ -358,7 +372,9 @@ public:
 		auto idx = 0;
 
 		for (auto track : mTraksFiltered) {
-			track->draw(canvas, area, { area.x + 10, area.y + 10 + idx * trackSize - offset, area.z - 20 - scrollSize, trackSize - 5 } );
+			auto const trackArea = tp::RectF{ area.x + 10, area.y + 10 + idx * trackSize - offset, area.z - 20 - scrollSize, trackSize - 5 };
+			if (track->mTrack == mCurrentTrack.mTrack) canvas.rect(trackArea, { 0.2f, 0.2f, 0.2f, 0.5f }, 5);
+			track->draw(canvas, area,  trackArea);
 			idx++;
 		}
 
@@ -390,6 +406,16 @@ public:
 				continue;
 			}
 
+			switch (mCurrentTrackInfo.filterExisting) {
+				case 1:
+					if (!track->mTrack->mExists) continue;
+					break;
+
+				case 2:
+					if (track->mTrack->mExists) continue;
+					break;
+			}
+
 			mTraksFiltered.append( &track.data() );
 		}
 
@@ -419,7 +445,7 @@ private:
 	ResizerWidget<Events, Canvas> mResizeWidget;
 
 	Library* mLibrary;
-	TrackPlayer* mPlayer;
+	Player* mPlayer;
 
 	bool mNeedRedraw = false;
 };

LibraryViewer/public/Library.hpp

@@ -2,7 +2,12 @@
 
 #include "Window.hpp"
 
+typedef tp::ualni SongId;
+enum class SONG_FORMAT { WAV, FLAC, NONE };
+
 tp::String getHome();
+tp::String getSongLocalPath(SongId id);
+SONG_FORMAT getSongFormat(const tp::String& path);
 
 namespace tp {
 	extern ModuleManifest gModuleLibraryViewer;
@@ -13,7 +18,7 @@ public:
 	Track() = default;
 
 public:
-	tp::ualni mId = 0;
+	SongId mId = 0;
 	tp::String mName = "undef";
 	tp::String mArtist = "undef";
 	tp::String mAlbumArtist = "undef";
@@ -36,20 +41,7 @@ public:
   bool mLoved = false;
   bool mAlbumLoved = false;
   bool mExplicit = false;
-  // tp::String mKind = "undef";
-  // tp::ualni mDiscNumber = 0;
-  // tp::ualni mDiscCount = 0;
-  // tp::ualni mTrackNumber = 0;
-  // tp::ualni mTrackCount = 0;
-  // tp::ualni mBitRate = 0;
-  // tp::ualni mSampleRate = 0;
-  // tp::ualni Compilation
-  // tp::ualni Artwork Count
-  // tp::ualni Sort Album
-  // tp::ualni Sort Artist
-  // tp::ualni Sort Name
-  // tp::ualni Persistent ID
-  // tp::ualni Track Type
+  bool mExists = false;
 };
 
 class Library {
@@ -58,11 +50,8 @@ public:
 
 public:
 	bool loadJson(const tp::String& path);
+  void checkExisting();
 
 public:
 	tp::Buffer<Track> mTraks;
 };
-
-class LibraryViewverGui {};
-
-void runApp();

LibraryViewer/public/Player.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "Library.hpp"
+#include "Streamer.hpp"
+
+class DeviceStream;
+
+class Player {
+public:
+	Player();
+	~Player();
+
+	bool startStreamTrack(SongId id);
+	SongId getPlayingId() const;
+	void continuePlayback();
+	void freezePlayback();
+
+	tp::halnf getDurationSec() const;
+
+	void setVolume(tp::halnf volume);
+	tp::halnf getVolume();
+
+	tp::halnf getPlaybackProgress() const;
+	void setPlaybackProgress(tp::halnf newProgress);
+
+	tp::halnf getLoadProgress() const;
+
+private:
+	SongId connected = 0;
+	MusicStream mMusicStream;
+	DeviceStream* mDeviceStream;
+};

LibraryViewer/public/Streamer.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "Library.hpp"
+
+class Context;
+
+class MusicStream {
+	friend Context;
+
+public:
+	MusicStream();
+	~MusicStream();
+
+	bool openStream(SongId id);
+  void closeStream();
+  
+	tp::halnf* getBuffer();
+	tp::ualni* getProgressLive();
+	tp::uhalni getRate() const;
+
+	void continueStream();
+	tp::ualni getFramesLength() const;
+	tp::ualni getFramesLoaded() const;
+
+public:
+	class Context* mContext = nullptr;
+	// tp::Mutex mMutex;
+
+	tp::ualni mLengthFrames = 0;
+	tp::ualni mChanels = 0;
+	tp::ualni mRate = 0;
+	tp::ualni mProgress;
+	tp::Buffer<tp::halnf> mBuffer;
+};

LibraryViewer/public/WavPlayer.hpp

@@ -1,29 +0,0 @@
-#pragma once
-
-#include "LibraryViewer.hpp"
-
-class MusicPlayerContext;
-typedef tp::ualni SongId;
-
-class TrackPlayer {
-public:
-	TrackPlayer();
-	~TrackPlayer();
-
-	bool startStreamTrack(SongId id);
-
-	void playSong();
-
-	void stopSong();
-
-	void setVolume(float volume);
-
-	float getProgress() const;
-
-	float getDurationSec() const;
-
-	void setProgress(float newProgress);
-
-private:
-	MusicPlayerContext* mContext;
-};