mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-10 13:37:03 +03:00
move to new cspot
This commit is contained in:
philippe44
319
components/spotify/cspot/src/SpircHandler.cpp
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319
components/spotify/cspot/src/SpircHandler.cpp
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#include "SpircHandler.h"
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#include <memory>
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#include "AccessKeyFetcher.h"
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#include "BellUtils.h"
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#include "CSpotContext.h"
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#include "Logger.h"
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#include "MercurySession.h"
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#include "PlaybackState.h"
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#include "TrackPlayer.h"
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#include "TrackReference.h"
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#include "protobuf/spirc.pb.h"
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using namespace cspot;
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SpircHandler::SpircHandler(std::shared_ptr<cspot::Context> ctx)
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: playbackState(ctx) {
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auto isAiringCallback = [this]() {
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return !(isNextTrackPreloaded || isRequestedFromLoad);
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};
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auto EOFCallback = [this]() {
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auto ref = this->playbackState.getNextTrackRef();
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if (!isNextTrackPreloaded && !isRequestedFromLoad && ref != nullptr) {
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isNextTrackPreloaded = true;
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auto trackRef = TrackReference::fromTrackRef(ref);
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this->trackPlayer->loadTrackFromRef(trackRef, 0, true);
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}
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if (ref == nullptr) {
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sendEvent(EventType::DEPLETED);
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}
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};
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auto trackLoadedCallback = [this]() {
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this->currentTrackInfo = this->trackPlayer->getCurrentTrackInfo();
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if (isRequestedFromLoad) {
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sendEvent(EventType::PLAYBACK_START, (int)nextTrackPosition);
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setPause(false);
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}
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};
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this->ctx = ctx;
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this->trackPlayer = std::make_shared<TrackPlayer>(ctx, isAiringCallback, EOFCallback, trackLoadedCallback);
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// Subscribe to mercury on session ready
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ctx->session->setConnectedHandler([this]() { this->subscribeToMercury(); });
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}
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void SpircHandler::subscribeToMercury() {
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auto responseLambda = [this](MercurySession::Response& res) {
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if (res.fail)
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return;
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sendCmd(MessageType_kMessageTypeHello);
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CSPOT_LOG(debug, "Sent kMessageTypeHello!");
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// Assign country code
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this->ctx->config.countryCode = this->ctx->session->getCountryCode();
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};
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auto subscriptionLambda = [this](MercurySession::Response& res) {
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if (res.fail)
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return;
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CSPOT_LOG(debug, "Received subscription response");
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this->handleFrame(res.parts[0]);
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};
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ctx->session->executeSubscription(
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MercurySession::RequestType::SUB,
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"hm://remote/user/" + ctx->config.username + "/", responseLambda,
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subscriptionLambda);
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}
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void SpircHandler::loadTrackFromURI(const std::string& uri) {
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// {track/episode}:{gid}
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bool isEpisode = uri.find("episode:") != std::string::npos;
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auto gid = stringHexToBytes(uri.substr(uri.find(":") + 1));
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auto trackRef = TrackReference::fromGID(gid, isEpisode);
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isRequestedFromLoad = true;
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isNextTrackPreloaded = false;
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playbackState.setActive(true);
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auto playbackRef = playbackState.getCurrentTrackRef();
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if (playbackRef != nullptr) {
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playbackState.updatePositionMs(playbackState.remoteFrame.state.position_ms);
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auto ref = TrackReference::fromTrackRef(playbackRef);
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this->trackPlayer->loadTrackFromRef(
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ref, playbackState.remoteFrame.state.position_ms, true);
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playbackState.setPlaybackState(PlaybackState::State::Loading);
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this->nextTrackPosition = playbackState.remoteFrame.state.position_ms;
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}
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this->notify();
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}
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void SpircHandler::notifyAudioReachedPlayback() {
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if (isRequestedFromLoad || isNextTrackPreloaded) {
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playbackState.updatePositionMs(nextTrackPosition);
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playbackState.setPlaybackState(PlaybackState::State::Playing);
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} else {
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setPause(true);
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}
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isRequestedFromLoad = false;
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if (isNextTrackPreloaded) {
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isNextTrackPreloaded = false;
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playbackState.nextTrack();
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nextTrackPosition = 0;
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}
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this->notify();
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sendEvent(EventType::TRACK_INFO, this->trackPlayer->getCurrentTrackInfo());
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}
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void SpircHandler::updatePositionMs(uint32_t position) {
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playbackState.updatePositionMs(position);
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notify();
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}
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void SpircHandler::disconnect() {
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this->trackPlayer->stopTrack();
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this->ctx->session->disconnect();
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}
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void SpircHandler::handleFrame(std::vector<uint8_t>& data) {
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pb_release(Frame_fields, &playbackState.remoteFrame);
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pbDecode(playbackState.remoteFrame, Frame_fields, data);
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switch (playbackState.remoteFrame.typ) {
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case MessageType_kMessageTypeNotify: {
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CSPOT_LOG(debug, "Notify frame");
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// Pause the playback if another player took control
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if (playbackState.isActive() &&
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playbackState.remoteFrame.device_state.is_active) {
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CSPOT_LOG(debug, "Another player took control, pausing playback");
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playbackState.setActive(false);
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this->trackPlayer->stopTrack();
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sendEvent(EventType::DISC);
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}
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break;
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}
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case MessageType_kMessageTypeSeek: {
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/* If next track is already downloading, we can't seek in the current one anymore. Also,
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* when last track has been reached, we has to restart as we can't tell the difference */
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if ((!isNextTrackPreloaded && this->playbackState.getNextTrackRef()) || isRequestedFromLoad) {
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CSPOT_LOG(debug, "Seek command while streaming current");
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sendEvent(EventType::SEEK, (int)playbackState.remoteFrame.position);
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playbackState.updatePositionMs(playbackState.remoteFrame.position);
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trackPlayer->seekMs(playbackState.remoteFrame.position);
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} else {
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CSPOT_LOG(debug, "Seek command while streaming next or before started");
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isRequestedFromLoad = true;
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isNextTrackPreloaded = false;
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auto ref = TrackReference::fromTrackRef(playbackState.getCurrentTrackRef());
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this->trackPlayer->loadTrackFromRef(ref, playbackState.remoteFrame.position, true);
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this->nextTrackPosition = playbackState.remoteFrame.position;
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}
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notify();
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break;
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}
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case MessageType_kMessageTypeVolume:
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playbackState.setVolume(playbackState.remoteFrame.volume);
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this->notify();
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sendEvent(EventType::VOLUME, (int)playbackState.remoteFrame.volume);
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break;
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case MessageType_kMessageTypePause:
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setPause(true);
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break;
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case MessageType_kMessageTypePlay:
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setPause(false);
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break;
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case MessageType_kMessageTypeNext:
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nextSong();
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sendEvent(EventType::NEXT);
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break;
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case MessageType_kMessageTypePrev:
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previousSong();
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sendEvent(EventType::PREV);
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break;
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case MessageType_kMessageTypeLoad: {
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CSPOT_LOG(debug, "Load frame!");
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isRequestedFromLoad = true;
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isNextTrackPreloaded = false;
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playbackState.setActive(true);
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playbackState.updateTracks();
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auto playbackRef = playbackState.getCurrentTrackRef();
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if (playbackRef != nullptr) {
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playbackState.updatePositionMs(
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playbackState.remoteFrame.state.position_ms);
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auto ref = TrackReference::fromTrackRef(playbackRef);
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this->trackPlayer->loadTrackFromRef(
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ref, playbackState.remoteFrame.state.position_ms, true);
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playbackState.setPlaybackState(PlaybackState::State::Loading);
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this->nextTrackPosition = playbackState.remoteFrame.state.position_ms;
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}
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this->notify();
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break;
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}
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case MessageType_kMessageTypeReplace: {
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CSPOT_LOG(debug, "Got replace frame");
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playbackState.updateTracks();
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this->notify();
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break;
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}
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case MessageType_kMessageTypeShuffle: {
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CSPOT_LOG(debug, "Got shuffle frame");
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playbackState.setShuffle(playbackState.remoteFrame.state.shuffle);
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this->notify();
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break;
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}
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case MessageType_kMessageTypeRepeat: {
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CSPOT_LOG(debug, "Got repeat frame");
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playbackState.setRepeat(playbackState.remoteFrame.state.repeat);
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this->notify();
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break;
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}
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default:
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break;
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}
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}
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void SpircHandler::setRemoteVolume(int volume) {
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playbackState.setVolume(volume);
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notify();
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}
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void SpircHandler::notify() {
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this->sendCmd(MessageType_kMessageTypeNotify);
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}
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void SpircHandler::nextSong() {
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if (playbackState.nextTrack()) {
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isRequestedFromLoad = true;
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isNextTrackPreloaded = false;
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auto ref = TrackReference::fromTrackRef(playbackState.getCurrentTrackRef());
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this->trackPlayer->loadTrackFromRef(ref, 0, true);
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} else {
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sendEvent(EventType::FLUSH);
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playbackState.updatePositionMs(0);
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trackPlayer->stopTrack();
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}
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this->nextTrackPosition = 0;
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notify();
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}
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void SpircHandler::previousSong() {
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playbackState.prevTrack();
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isRequestedFromLoad = true;
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isNextTrackPreloaded = false;
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sendEvent(EventType::PREV);
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auto ref = TrackReference::fromTrackRef(playbackState.getCurrentTrackRef());
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this->trackPlayer->loadTrackFromRef(ref, 0, true);
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this->nextTrackPosition = 0;
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notify();
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}
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std::shared_ptr<TrackPlayer> SpircHandler::getTrackPlayer() {
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return this->trackPlayer;
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}
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void SpircHandler::sendCmd(MessageType typ) {
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// Serialize current player state
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auto encodedFrame = playbackState.encodeCurrentFrame(typ);
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auto responseLambda = [=](MercurySession::Response& res) {
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};
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auto parts = MercurySession::DataParts({encodedFrame});
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ctx->session->execute(MercurySession::RequestType::SEND,
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"hm://remote/user/" + ctx->config.username + "/",
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responseLambda, parts);
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}
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void SpircHandler::setEventHandler(EventHandler handler) {
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this->eventHandler = handler;
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}
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void SpircHandler::setPause(bool isPaused) {
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if (isPaused) {
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CSPOT_LOG(debug, "External pause command");
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playbackState.setPlaybackState(PlaybackState::State::Paused);
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} else {
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CSPOT_LOG(debug, "External play command");
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playbackState.setPlaybackState(PlaybackState::State::Playing);
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}
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notify();
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sendEvent(EventType::PLAY_PAUSE, isPaused);
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}
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void SpircHandler::sendEvent(EventType type) {
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auto event = std::make_unique<Event>();
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event->eventType = type;
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event->data = {};
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eventHandler(std::move(event));
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}
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void SpircHandler::sendEvent(EventType type, EventData data) {
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auto event = std::make_unique<Event>();
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event->eventType = type;
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event->data = data;
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eventHandler(std::move(event));
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}
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