mirror of
https://github.com/4gray/iptvnator.git
synced 2026-10-15 05:36:17 -08:00
4gray
06700b318a
Adds experimental embedded MPV support for Windows and Linux, expands packaging/runtime validation, and updates CI coverage for the cross-platform native addon.
1309 lines
43 KiB
C++
1309 lines
43 KiB
C++
#pragma once
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#include "embedded_mpv_wid_types.h"
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#include <napi.h>
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#include <mpv/client.h>
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#include <algorithm>
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#include <atomic>
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#include <chrono>
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#include <cctype>
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#include <cmath>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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#include <ctime>
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#include <memory>
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#include <mutex>
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#include <sstream>
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#include <string>
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#include <thread>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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namespace {
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enum class SessionStatus {
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Idle,
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Loading,
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Playing,
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Paused,
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Error,
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Closed,
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};
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struct AudioTrack {
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int64_t id = 0;
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std::string title;
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std::string language;
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bool selected = false;
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bool defaultTrack = false;
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bool forced = false;
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};
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struct SessionSnapshot {
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SessionStatus status = SessionStatus::Idle;
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double positionSeconds = 0.0;
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double durationSeconds = -1.0;
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double volumePercent = 100.0;
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std::string streamUrl;
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std::string error;
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std::vector<AudioTrack> audioTracks;
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int64_t selectedAudioTrackId = -1;
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std::vector<AudioTrack> subtitleTracks;
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int64_t selectedSubtitleTrackId = -1;
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double playbackSpeed = 1.0;
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std::string aspectOverride = "no";
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bool recordingActive = false;
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std::string recordingTargetPath;
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std::string recordingStartedAt;
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std::string recordingError;
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};
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struct Session {
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std::string id;
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mpv_handle* handle = nullptr;
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NativeVideoHost host;
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std::thread eventThread;
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std::atomic<bool> running{false};
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std::mutex mutex;
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SessionSnapshot snapshot;
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uint64_t pendingRecordingStartRequestId = 0;
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uint64_t pendingRecordingStopRequestId = 0;
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std::string pendingRecordingTargetPath;
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std::string pendingRecordingStartedAt;
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std::string pendingRecordingStopStartedAt;
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uint64_t pendingPlaybackLoadRequestId = 0;
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};
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std::atomic<uint64_t> gNextSessionId{1};
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std::atomic<uint64_t> gNextAsyncRequestId{1};
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std::mutex gSessionsMutex;
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std::unordered_map<std::string, std::shared_ptr<Session>> gSessions;
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std::string toStatusString(SessionStatus status)
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{
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switch (status) {
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case SessionStatus::Idle:
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return "idle";
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case SessionStatus::Loading:
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return "loading";
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case SessionStatus::Playing:
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return "playing";
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case SessionStatus::Paused:
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return "paused";
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case SessionStatus::Error:
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return "error";
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case SessionStatus::Closed:
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return "closed";
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}
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return "idle";
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}
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uint64_t nextAsyncRequestId()
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{
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return gNextAsyncRequestId.fetch_add(1);
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}
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double clampVolumePercent(double value)
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{
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if (!std::isfinite(value)) {
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return 100.0;
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}
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return std::max(0.0, std::min(100.0, value * 100.0));
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}
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std::string nowIsoString()
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{
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const auto now = std::chrono::system_clock::now();
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const std::time_t nowTime = std::chrono::system_clock::to_time_t(now);
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std::tm timeValue{};
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#if defined(_WIN32)
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gmtime_s(&timeValue, &nowTime);
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#else
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gmtime_r(&nowTime, &timeValue);
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#endif
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char buffer[32]{};
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std::strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%SZ", &timeValue);
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return buffer;
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}
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void updateSessionError(
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const std::shared_ptr<Session>& session,
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const std::string& error)
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{
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if (!session) {
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return;
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}
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std::lock_guard<std::mutex> lock(session->mutex);
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session->snapshot.status = SessionStatus::Error;
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session->snapshot.error = error;
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}
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std::shared_ptr<Session> findSession(const std::string& sessionId)
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{
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std::lock_guard<std::mutex> sessionsLock(gSessionsMutex);
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const auto iterator = gSessions.find(sessionId);
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if (iterator == gSessions.end()) {
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return nullptr;
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}
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return iterator->second;
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}
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std::shared_ptr<Session> getSessionOrThrow(
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Napi::Env env,
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const std::string& sessionId)
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{
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auto session = findSession(sessionId);
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if (!session) {
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throw Napi::Error::New(env, "Embedded MPV session not found.");
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}
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return session;
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}
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std::string normalizeEnvValue(const char* value)
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{
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if (!value) {
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return "";
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}
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std::string result(value);
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std::transform(
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result.begin(),
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result.end(),
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result.begin(),
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[](unsigned char character) {
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return static_cast<char>(std::tolower(character));
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}
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);
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return result;
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}
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std::string joinHeaderFields(const Napi::Object& headers)
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{
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const Napi::Array propertyNames = headers.GetPropertyNames();
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std::vector<std::string> fields;
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fields.reserve(propertyNames.Length());
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for (uint32_t index = 0; index < propertyNames.Length(); index += 1) {
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const Napi::Value propertyName = propertyNames.Get(index);
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if (!propertyName.IsString()) {
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continue;
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}
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const std::string key = propertyName.As<Napi::String>().Utf8Value();
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const Napi::Value propertyValue = headers.Get(propertyName);
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if (!propertyValue.IsString() && !propertyValue.IsNumber()) {
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continue;
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}
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std::string value = propertyValue.ToString().Utf8Value();
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if (key.empty() || value.empty()) {
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continue;
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}
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fields.push_back(key + ": " + value);
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}
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std::ostringstream stream;
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for (size_t index = 0; index < fields.size(); index += 1) {
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if (index > 0) {
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stream << ",";
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}
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stream << fields[index];
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}
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return stream.str();
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}
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std::string readOptionalString(const Napi::Object& object, const char* key)
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{
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if (!object.Has(key)) {
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return "";
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}
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const Napi::Value value = object.Get(key);
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if (value.IsUndefined() || value.IsNull()) {
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return "";
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}
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return value.ToString().Utf8Value();
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}
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double readOptionalNumber(
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const Napi::Object& object,
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const char* key,
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double fallbackValue)
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{
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if (!object.Has(key)) {
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return fallbackValue;
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}
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const Napi::Value value = object.Get(key);
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if (!value.IsNumber()) {
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return fallbackValue;
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}
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return value.As<Napi::Number>().DoubleValue();
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}
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Bounds readBounds(const Napi::Object& object)
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{
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return {
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readOptionalNumber(object, "x", 0),
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readOptionalNumber(object, "y", 0),
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readOptionalNumber(object, "width", 1),
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readOptionalNumber(object, "height", 1),
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};
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}
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bool parseIntegerString(const std::string& value, int64_t& result)
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{
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if (value.empty()) {
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return false;
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}
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char* end = nullptr;
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const long long parsed = std::strtoll(value.c_str(), &end, 10);
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if (!end || *end != '\0') {
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return false;
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}
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result = static_cast<int64_t>(parsed);
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return true;
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}
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const mpv_node* getNodeMapValue(const mpv_node& node, const char* key)
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{
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if (node.format != MPV_FORMAT_NODE_MAP ||
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!node.u.list ||
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!node.u.list->keys ||
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!node.u.list->values) {
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return nullptr;
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}
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for (int index = 0; index < node.u.list->num; index += 1) {
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const char* candidateKey = node.u.list->keys[index];
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if (candidateKey && std::strcmp(candidateKey, key) == 0) {
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return &node.u.list->values[index];
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}
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}
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return nullptr;
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}
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std::string readNodeString(const mpv_node& node)
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{
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switch (node.format) {
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case MPV_FORMAT_STRING:
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return node.u.string ? node.u.string : "";
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case MPV_FORMAT_INT64:
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return std::to_string(node.u.int64);
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case MPV_FORMAT_DOUBLE: {
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std::ostringstream stream;
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stream << node.u.double_;
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return stream.str();
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}
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default:
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return "";
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}
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}
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bool readNodeFlag(const mpv_node& node)
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{
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if (node.format == MPV_FORMAT_FLAG) {
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return node.u.flag != 0;
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}
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if (node.format == MPV_FORMAT_STRING && node.u.string) {
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const std::string value = normalizeEnvValue(node.u.string);
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return value == "yes" || value == "true" || value == "1";
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}
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return false;
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}
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bool readNodeInteger(const mpv_node& node, int64_t& result)
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{
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if (node.format == MPV_FORMAT_INT64) {
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result = node.u.int64;
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return true;
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}
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if (node.format == MPV_FORMAT_DOUBLE) {
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result = static_cast<int64_t>(node.u.double_);
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return true;
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}
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if (node.format == MPV_FORMAT_STRING && node.u.string) {
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return parseIntegerString(node.u.string, result);
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}
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return false;
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}
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std::vector<AudioTrack> readTracksOfType(
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const mpv_node& node,
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const std::string& type)
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{
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std::vector<AudioTrack> tracks;
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if (node.format != MPV_FORMAT_NODE_ARRAY || !node.u.list) {
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return tracks;
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}
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for (int index = 0; index < node.u.list->num; index += 1) {
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const mpv_node& trackNode = node.u.list->values[index];
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const mpv_node* typeNode = getNodeMapValue(trackNode, "type");
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if (!typeNode || readNodeString(*typeNode) != type) {
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continue;
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}
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const mpv_node* idNode = getNodeMapValue(trackNode, "id");
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int64_t id = 0;
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if (!idNode || !readNodeInteger(*idNode, id)) {
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continue;
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}
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AudioTrack track;
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track.id = id;
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if (const mpv_node* titleNode = getNodeMapValue(trackNode, "title")) {
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track.title = readNodeString(*titleNode);
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}
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if (const mpv_node* languageNode = getNodeMapValue(trackNode, "lang")) {
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track.language = readNodeString(*languageNode);
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}
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if (const mpv_node* selectedNode = getNodeMapValue(trackNode, "selected")) {
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track.selected = readNodeFlag(*selectedNode);
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}
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if (const mpv_node* defaultNode = getNodeMapValue(trackNode, "default")) {
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track.defaultTrack = readNodeFlag(*defaultNode);
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}
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if (const mpv_node* forcedNode = getNodeMapValue(trackNode, "forced")) {
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track.forced = readNodeFlag(*forcedNode);
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}
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tracks.push_back(track);
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}
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return tracks;
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}
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void updateAudioTracksFromNode(SessionSnapshot& snapshot, const mpv_node& node)
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{
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snapshot.audioTracks = readTracksOfType(node, "audio");
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snapshot.selectedAudioTrackId = -1;
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for (const auto& track : snapshot.audioTracks) {
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if (track.selected) {
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snapshot.selectedAudioTrackId = track.id;
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break;
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}
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}
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}
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void updateSubtitleTracksFromNode(SessionSnapshot& snapshot, const mpv_node& node)
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{
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snapshot.subtitleTracks = readTracksOfType(node, "sub");
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snapshot.selectedSubtitleTrackId = -1;
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for (const auto& track : snapshot.subtitleTracks) {
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if (track.selected) {
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snapshot.selectedSubtitleTrackId = track.id;
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break;
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}
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}
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}
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bool reconcileRecordingPropertyReply(
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const std::shared_ptr<Session>& session,
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uint64_t requestId,
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int error)
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{
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if (requestId == 0) {
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return false;
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}
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if (requestId == session->pendingRecordingStartRequestId) {
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session->pendingRecordingStartRequestId = 0;
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const std::string targetPath = session->pendingRecordingTargetPath;
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const std::string startedAt = session->pendingRecordingStartedAt;
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session->pendingRecordingTargetPath.clear();
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session->pendingRecordingStartedAt.clear();
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if (error < 0) {
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session->snapshot.recordingActive = false;
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session->snapshot.recordingTargetPath = targetPath;
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session->snapshot.recordingStartedAt.clear();
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session->snapshot.recordingError = mpv_error_string(error);
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return true;
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}
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session->snapshot.recordingActive = true;
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session->snapshot.recordingTargetPath = targetPath;
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session->snapshot.recordingStartedAt = startedAt;
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session->snapshot.recordingError.clear();
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return true;
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}
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if (requestId == session->pendingRecordingStopRequestId) {
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session->pendingRecordingStopRequestId = 0;
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const std::string startedAt = session->pendingRecordingStopStartedAt;
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session->pendingRecordingStopStartedAt.clear();
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if (error < 0) {
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session->snapshot.recordingActive = true;
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session->snapshot.recordingStartedAt = startedAt;
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session->snapshot.recordingError = mpv_error_string(error);
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return true;
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}
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session->snapshot.recordingActive = false;
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session->snapshot.recordingStartedAt.clear();
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session->snapshot.recordingError.clear();
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return true;
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}
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return false;
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}
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bool reconcilePlaybackLoadReply(
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const std::shared_ptr<Session>& session,
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uint64_t requestId,
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int error)
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{
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if (
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requestId == 0 ||
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requestId != session->pendingPlaybackLoadRequestId
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) {
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return false;
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}
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session->pendingPlaybackLoadRequestId = 0;
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if (error < 0) {
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session->snapshot.status = SessionStatus::Error;
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session->snapshot.error = mpv_error_string(error);
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}
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return true;
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}
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void runEventLoop(std::shared_ptr<Session> session)
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{
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while (session->running.load()) {
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mpv_event* event = mpv_wait_event(session->handle, 0.1);
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if (!event || event->event_id == MPV_EVENT_NONE) {
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continue;
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}
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std::lock_guard<std::mutex> lock(session->mutex);
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switch (event->event_id) {
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case MPV_EVENT_START_FILE:
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session->snapshot.status = SessionStatus::Loading;
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session->snapshot.error.clear();
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break;
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case MPV_EVENT_FILE_LOADED:
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session->snapshot.status =
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session->snapshot.status == SessionStatus::Paused
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? SessionStatus::Paused
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: SessionStatus::Playing;
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session->snapshot.error.clear();
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break;
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case MPV_EVENT_END_FILE: {
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const auto* endFile =
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static_cast<mpv_event_end_file*>(event->data);
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if (endFile && endFile->reason == MPV_END_FILE_REASON_ERROR) {
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session->snapshot.status = SessionStatus::Error;
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session->snapshot.error = endFile->error < 0
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? mpv_error_string(endFile->error)
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: "Embedded MPV playback ended with an error.";
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}
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break;
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}
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case MPV_EVENT_PROPERTY_CHANGE: {
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const auto* property =
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static_cast<mpv_event_property*>(event->data);
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if (!property || !property->name || !property->data) {
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break;
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}
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const std::string name(property->name);
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if (name == "time-pos" && property->format == MPV_FORMAT_DOUBLE) {
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session->snapshot.positionSeconds =
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*static_cast<double*>(property->data);
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} else if (name == "duration" && property->format == MPV_FORMAT_DOUBLE) {
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session->snapshot.durationSeconds =
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*static_cast<double*>(property->data);
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} else if (name == "pause" && property->format == MPV_FORMAT_FLAG) {
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const bool paused = *static_cast<int*>(property->data) != 0;
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session->snapshot.status = paused
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? SessionStatus::Paused
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: SessionStatus::Playing;
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session->snapshot.error.clear();
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} else if (name == "volume" && property->format == MPV_FORMAT_DOUBLE) {
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session->snapshot.volumePercent =
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*static_cast<double*>(property->data);
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} else if (name == "path" && property->format == MPV_FORMAT_STRING) {
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const char* value =
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*static_cast<char**>(property->data);
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session->snapshot.streamUrl = value ? value : "";
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} else if (name == "track-list" && property->format == MPV_FORMAT_NODE) {
|
|
const mpv_node& node =
|
|
*static_cast<mpv_node*>(property->data);
|
|
updateAudioTracksFromNode(session->snapshot, node);
|
|
updateSubtitleTracksFromNode(session->snapshot, node);
|
|
} else if (name == "aid") {
|
|
const char* rawValue = property->format == MPV_FORMAT_STRING
|
|
? *static_cast<char**>(property->data)
|
|
: nullptr;
|
|
const std::string value = rawValue ? rawValue : "";
|
|
int64_t trackId = -1;
|
|
if (parseIntegerString(value, trackId)) {
|
|
session->snapshot.selectedAudioTrackId = trackId;
|
|
}
|
|
} else if (name == "sid") {
|
|
const char* rawValue = property->format == MPV_FORMAT_STRING
|
|
? *static_cast<char**>(property->data)
|
|
: nullptr;
|
|
const std::string value = rawValue ? rawValue : "";
|
|
int64_t trackId = -1;
|
|
if (parseIntegerString(value, trackId)) {
|
|
session->snapshot.selectedSubtitleTrackId = trackId;
|
|
} else {
|
|
session->snapshot.selectedSubtitleTrackId = -1;
|
|
}
|
|
} else if (name == "speed" && property->format == MPV_FORMAT_DOUBLE) {
|
|
session->snapshot.playbackSpeed =
|
|
*static_cast<double*>(property->data);
|
|
} else if (name == "video-aspect-override" &&
|
|
property->format == MPV_FORMAT_STRING) {
|
|
const char* value =
|
|
*static_cast<char**>(property->data);
|
|
session->snapshot.aspectOverride =
|
|
value && value[0] ? value : "no";
|
|
}
|
|
break;
|
|
}
|
|
case MPV_EVENT_COMMAND_REPLY:
|
|
case MPV_EVENT_SET_PROPERTY_REPLY:
|
|
if (reconcilePlaybackLoadReply(
|
|
session,
|
|
event->reply_userdata,
|
|
event->error
|
|
)) {
|
|
break;
|
|
}
|
|
if (reconcileRecordingPropertyReply(
|
|
session,
|
|
event->reply_userdata,
|
|
event->error
|
|
)) {
|
|
break;
|
|
}
|
|
if (event->error < 0) {
|
|
session->snapshot.error = mpv_error_string(event->error);
|
|
}
|
|
break;
|
|
case MPV_EVENT_SHUTDOWN:
|
|
session->running.store(false);
|
|
session->snapshot.status = SessionStatus::Closed;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void destroySession(const std::shared_ptr<Session>& session)
|
|
{
|
|
if (!session) {
|
|
return;
|
|
}
|
|
|
|
session->running.store(false);
|
|
if (session->handle) {
|
|
bool recordingActive = false;
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
recordingActive = session->snapshot.recordingActive;
|
|
}
|
|
if (recordingActive) {
|
|
const char* disabledValue = "";
|
|
mpv_set_property(
|
|
session->handle,
|
|
"stream-record",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&disabledValue)
|
|
);
|
|
}
|
|
mpv_wakeup(session->handle);
|
|
}
|
|
|
|
if (session->eventThread.joinable()) {
|
|
session->eventThread.join();
|
|
}
|
|
|
|
if (session->handle) {
|
|
mpv_terminate_destroy(session->handle);
|
|
session->handle = nullptr;
|
|
}
|
|
|
|
session->host.destroy();
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->snapshot.status = SessionStatus::Closed;
|
|
session->snapshot.recordingActive = false;
|
|
session->snapshot.recordingStartedAt.clear();
|
|
}
|
|
}
|
|
|
|
Napi::Value IsSupported(const Napi::CallbackInfo& info)
|
|
{
|
|
return Napi::Boolean::New(info.Env(), NativeVideoHost::isAvailable());
|
|
}
|
|
|
|
Napi::Value CreateSession(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsBuffer() || !info[1].IsObject()) {
|
|
throw Napi::TypeError::New(
|
|
env,
|
|
"Expected window handle buffer and bounds object."
|
|
);
|
|
}
|
|
|
|
const auto windowHandle = info[0].As<Napi::Buffer<uint8_t>>();
|
|
if (windowHandle.Length() < sizeof(uintptr_t)) {
|
|
throw Napi::Error::New(env, "Native window handle buffer is too small.");
|
|
}
|
|
|
|
uintptr_t windowHandleValue = 0;
|
|
std::memcpy(
|
|
&windowHandleValue,
|
|
windowHandle.Data(),
|
|
std::min(windowHandle.Length(), sizeof(uintptr_t))
|
|
);
|
|
if (windowHandleValue == 0) {
|
|
throw Napi::Error::New(env, "Unable to resolve Electron native window handle.");
|
|
}
|
|
|
|
const auto bounds = readBounds(info[1].As<Napi::Object>());
|
|
const auto session = std::make_shared<Session>();
|
|
session->id = "embedded-mpv-" + std::to_string(gNextSessionId.fetch_add(1));
|
|
session->snapshot.volumePercent =
|
|
info.Length() >= 4 && info[3].IsNumber()
|
|
? clampVolumePercent(info[3].As<Napi::Number>().DoubleValue())
|
|
: 100.0;
|
|
|
|
if (!session->host.create(windowHandleValue, bounds)) {
|
|
throw Napi::Error::New(env, NativeVideoHost::lastError());
|
|
}
|
|
|
|
session->handle = mpv_create();
|
|
if (!session->handle) {
|
|
session->host.destroy();
|
|
throw Napi::Error::New(env, "Failed to create libmpv handle.");
|
|
}
|
|
|
|
const std::string wid = session->host.wid();
|
|
mpv_set_option_string(session->handle, "terminal", "no");
|
|
mpv_set_option_string(session->handle, "config", "no");
|
|
mpv_set_option_string(session->handle, "osc", "no");
|
|
mpv_set_option_string(session->handle, "idle", "yes");
|
|
mpv_set_option_string(session->handle, "keep-open", "yes");
|
|
mpv_set_option_string(session->handle, "input-default-bindings", "no");
|
|
mpv_set_option_string(session->handle, "input-vo-keyboard", "no");
|
|
mpv_set_option_string(session->handle, "ytdl", "no");
|
|
mpv_set_option_string(session->handle, "wid", wid.c_str());
|
|
mpv_set_option_string(session->handle, "vo", "gpu");
|
|
mpv_set_option_string(session->handle, "hwdec", "auto-safe");
|
|
|
|
const auto initialVolume =
|
|
std::to_string(session->snapshot.volumePercent);
|
|
mpv_set_option_string(session->handle, "volume", initialVolume.c_str());
|
|
mpv_request_log_messages(session->handle, "warn");
|
|
|
|
const int initializeResult = mpv_initialize(session->handle);
|
|
if (initializeResult < 0) {
|
|
destroySession(session);
|
|
throw Napi::Error::New(
|
|
env,
|
|
std::string("Failed to initialize libmpv: ") +
|
|
mpv_error_string(initializeResult)
|
|
);
|
|
}
|
|
|
|
mpv_observe_property(session->handle, 1, "time-pos", MPV_FORMAT_DOUBLE);
|
|
mpv_observe_property(session->handle, 2, "duration", MPV_FORMAT_DOUBLE);
|
|
mpv_observe_property(session->handle, 3, "pause", MPV_FORMAT_FLAG);
|
|
mpv_observe_property(session->handle, 4, "volume", MPV_FORMAT_DOUBLE);
|
|
mpv_observe_property(session->handle, 5, "path", MPV_FORMAT_STRING);
|
|
mpv_observe_property(session->handle, 6, "track-list", MPV_FORMAT_NODE);
|
|
mpv_observe_property(session->handle, 7, "aid", MPV_FORMAT_STRING);
|
|
mpv_observe_property(session->handle, 8, "sid", MPV_FORMAT_STRING);
|
|
mpv_observe_property(session->handle, 9, "speed", MPV_FORMAT_DOUBLE);
|
|
mpv_observe_property(
|
|
session->handle,
|
|
10,
|
|
"video-aspect-override",
|
|
MPV_FORMAT_STRING
|
|
);
|
|
|
|
session->running.store(true);
|
|
session->eventThread = std::thread(runEventLoop, session);
|
|
session->host.setBounds(bounds);
|
|
|
|
{
|
|
std::lock_guard<std::mutex> sessionsLock(gSessionsMutex);
|
|
gSessions.emplace(session->id, session);
|
|
}
|
|
|
|
return Napi::String::New(env, session->id);
|
|
}
|
|
|
|
Napi::Value LoadPlayback(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsObject()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and playback object.");
|
|
}
|
|
|
|
const std::string sessionId = info[0].As<Napi::String>().Utf8Value();
|
|
const auto playback = info[1].As<Napi::Object>();
|
|
const auto session = getSessionOrThrow(env, sessionId);
|
|
const std::string streamUrl = readOptionalString(playback, "streamUrl");
|
|
if (streamUrl.empty()) {
|
|
throw Napi::Error::New(env, "Embedded MPV playback requires a stream URL.");
|
|
}
|
|
const std::string title = readOptionalString(playback, "title");
|
|
const std::string userAgent = readOptionalString(playback, "userAgent");
|
|
const std::string referer = readOptionalString(playback, "referer");
|
|
const double startTime = readOptionalNumber(playback, "startTime", -1);
|
|
|
|
bool recordingActive = false;
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
recordingActive = session->snapshot.recordingActive;
|
|
}
|
|
if (recordingActive) {
|
|
const char* disabledValue = "";
|
|
const uint64_t stopRecordingRequestId = nextAsyncRequestId();
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingRecordingStopRequestId = stopRecordingRequestId;
|
|
session->pendingRecordingStopStartedAt =
|
|
session->snapshot.recordingStartedAt;
|
|
}
|
|
|
|
const int stopResult = mpv_set_property_async(
|
|
session->handle,
|
|
stopRecordingRequestId,
|
|
"stream-record",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&disabledValue)
|
|
);
|
|
if (stopResult < 0) {
|
|
updateSessionError(session, mpv_error_string(stopResult));
|
|
throw Napi::Error::New(
|
|
env,
|
|
std::string("Failed to stop recording before loading playback: ") +
|
|
mpv_error_string(stopResult)
|
|
);
|
|
}
|
|
}
|
|
|
|
std::vector<std::pair<std::string, std::string>> options;
|
|
if (!title.empty()) {
|
|
options.emplace_back("force-media-title", title);
|
|
}
|
|
if (!userAgent.empty()) {
|
|
options.emplace_back("user-agent", userAgent);
|
|
}
|
|
if (!referer.empty()) {
|
|
options.emplace_back("referrer", referer);
|
|
}
|
|
if (std::isfinite(startTime) && startTime >= 0) {
|
|
std::ostringstream startValue;
|
|
startValue << startTime;
|
|
options.emplace_back("start", startValue.str());
|
|
}
|
|
if (playback.Has("headers") && playback.Get("headers").IsObject()) {
|
|
const auto headerFields =
|
|
joinHeaderFields(playback.Get("headers").As<Napi::Object>());
|
|
if (!headerFields.empty()) {
|
|
options.emplace_back("http-header-fields", headerFields);
|
|
}
|
|
}
|
|
|
|
std::vector<mpv_node> optionValues(options.size());
|
|
std::vector<char*> optionKeys(options.size());
|
|
for (size_t index = 0; index < options.size(); index += 1) {
|
|
optionKeys[index] = const_cast<char*>(options[index].first.c_str());
|
|
optionValues[index].format = MPV_FORMAT_STRING;
|
|
optionValues[index].u.string =
|
|
const_cast<char*>(options[index].second.c_str());
|
|
}
|
|
|
|
mpv_node_list optionList{};
|
|
optionList.num = static_cast<int>(options.size());
|
|
optionList.values = options.empty() ? nullptr : optionValues.data();
|
|
optionList.keys = options.empty() ? nullptr : optionKeys.data();
|
|
|
|
mpv_node optionMap{};
|
|
optionMap.format = MPV_FORMAT_NODE_MAP;
|
|
optionMap.u.list = &optionList;
|
|
|
|
mpv_node commandValues[5]{};
|
|
commandValues[0].format = MPV_FORMAT_STRING;
|
|
commandValues[0].u.string = const_cast<char*>("loadfile");
|
|
commandValues[1].format = MPV_FORMAT_STRING;
|
|
commandValues[1].u.string = const_cast<char*>(streamUrl.c_str());
|
|
commandValues[2].format = MPV_FORMAT_STRING;
|
|
commandValues[2].u.string = const_cast<char*>("replace");
|
|
commandValues[3].format = MPV_FORMAT_INT64;
|
|
commandValues[3].u.int64 = -1;
|
|
commandValues[4] = optionMap;
|
|
|
|
mpv_node_list commandList{};
|
|
commandList.num = 5;
|
|
commandList.values = commandValues;
|
|
commandList.keys = nullptr;
|
|
|
|
mpv_node command{};
|
|
command.format = MPV_FORMAT_NODE_ARRAY;
|
|
command.u.list = &commandList;
|
|
|
|
const uint64_t loadPlaybackRequestId = nextAsyncRequestId();
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->snapshot.streamUrl = streamUrl;
|
|
session->snapshot.error.clear();
|
|
session->snapshot.status = SessionStatus::Loading;
|
|
session->snapshot.recordingActive = false;
|
|
session->snapshot.recordingTargetPath.clear();
|
|
session->snapshot.recordingStartedAt.clear();
|
|
session->snapshot.recordingError.clear();
|
|
session->pendingPlaybackLoadRequestId = loadPlaybackRequestId;
|
|
}
|
|
|
|
const int commandResult = mpv_command_node_async(
|
|
session->handle,
|
|
loadPlaybackRequestId,
|
|
&command
|
|
);
|
|
if (commandResult < 0) {
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingPlaybackLoadRequestId = 0;
|
|
}
|
|
updateSessionError(session, mpv_error_string(commandResult));
|
|
throw Napi::Error::New(
|
|
env,
|
|
std::string("Failed to load playback: ") +
|
|
mpv_error_string(commandResult)
|
|
);
|
|
}
|
|
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetBounds(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsObject()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and bounds object.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
session->host.setBounds(readBounds(info[1].As<Napi::Object>()));
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetPaused(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsBoolean()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and paused flag.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
int paused = info[1].As<Napi::Boolean>().Value() ? 1 : 0;
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"pause",
|
|
MPV_FORMAT_FLAG,
|
|
&paused
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value Seek(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsNumber()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and seek time.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
const std::string seconds =
|
|
std::to_string(info[1].As<Napi::Number>().DoubleValue());
|
|
const char* command[] = { "seek", seconds.c_str(), "absolute", nullptr };
|
|
const int result = mpv_command_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
command
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetVolume(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsNumber()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and volume.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
double volume = clampVolumePercent(info[1].As<Napi::Number>().DoubleValue());
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"volume",
|
|
MPV_FORMAT_DOUBLE,
|
|
&volume
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetAudioTrack(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsNumber()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and audio track id.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
int64_t trackId =
|
|
static_cast<int64_t>(info[1].As<Napi::Number>().Int64Value());
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"aid",
|
|
MPV_FORMAT_INT64,
|
|
&trackId
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetSubtitleTrack(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsNumber()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and subtitle track id.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
int64_t trackId =
|
|
static_cast<int64_t>(info[1].As<Napi::Number>().Int64Value());
|
|
int result = 0;
|
|
if (trackId < 0) {
|
|
const char* disabledValue = "no";
|
|
result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"sid",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&disabledValue)
|
|
);
|
|
} else {
|
|
result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"sid",
|
|
MPV_FORMAT_INT64,
|
|
&trackId
|
|
);
|
|
}
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetSpeed(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsNumber()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and playback speed.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
double speed = info[1].As<Napi::Number>().DoubleValue();
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"speed",
|
|
MPV_FORMAT_DOUBLE,
|
|
&speed
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value SetAspect(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsString()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and aspect override.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
const std::string aspect = info[1].As<Napi::String>().Utf8Value();
|
|
const char* aspectValue = aspect.c_str();
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
nextAsyncRequestId(),
|
|
"video-aspect-override",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&aspectValue)
|
|
);
|
|
if (result < 0) {
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value StartRecording(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 2 || !info[0].IsString() || !info[1].IsString()) {
|
|
throw Napi::TypeError::New(env, "Expected session id and target path.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
const std::string targetPath = info[1].As<Napi::String>().Utf8Value();
|
|
const char* targetValue = targetPath.c_str();
|
|
const uint64_t requestId = nextAsyncRequestId();
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingRecordingStartRequestId = requestId;
|
|
session->pendingRecordingTargetPath = targetPath;
|
|
session->pendingRecordingStartedAt = nowIsoString();
|
|
session->snapshot.recordingError.clear();
|
|
}
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
requestId,
|
|
"stream-record",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&targetValue)
|
|
);
|
|
if (result < 0) {
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingRecordingStartRequestId = 0;
|
|
session->pendingRecordingTargetPath.clear();
|
|
session->pendingRecordingStartedAt.clear();
|
|
session->snapshot.recordingError = mpv_error_string(result);
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Value StopRecording(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 1 || !info[0].IsString()) {
|
|
throw Napi::TypeError::New(env, "Expected session id.");
|
|
}
|
|
const auto session =
|
|
getSessionOrThrow(env, info[0].As<Napi::String>().Utf8Value());
|
|
const char* disabledValue = "";
|
|
const uint64_t requestId = nextAsyncRequestId();
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingRecordingStopRequestId = requestId;
|
|
session->pendingRecordingStopStartedAt =
|
|
session->snapshot.recordingStartedAt;
|
|
}
|
|
const int result = mpv_set_property_async(
|
|
session->handle,
|
|
requestId,
|
|
"stream-record",
|
|
MPV_FORMAT_STRING,
|
|
const_cast<char**>(&disabledValue)
|
|
);
|
|
if (result < 0) {
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
session->pendingRecordingStopRequestId = 0;
|
|
session->pendingRecordingStopStartedAt.clear();
|
|
session->snapshot.recordingError = mpv_error_string(result);
|
|
throw Napi::Error::New(env, mpv_error_string(result));
|
|
}
|
|
return env.Undefined();
|
|
}
|
|
|
|
void writeTracks(
|
|
Napi::Env env,
|
|
Napi::Object result,
|
|
const char* key,
|
|
const std::vector<AudioTrack>& tracks)
|
|
{
|
|
auto output = Napi::Array::New(env, tracks.size());
|
|
for (size_t index = 0; index < tracks.size(); index += 1) {
|
|
const AudioTrack& track = tracks[index];
|
|
auto trackObject = Napi::Object::New(env);
|
|
trackObject.Set("id", Napi::Number::New(env, track.id));
|
|
if (!track.title.empty()) {
|
|
trackObject.Set("title", Napi::String::New(env, track.title));
|
|
}
|
|
if (!track.language.empty()) {
|
|
trackObject.Set("language", Napi::String::New(env, track.language));
|
|
}
|
|
trackObject.Set("selected", Napi::Boolean::New(env, track.selected));
|
|
trackObject.Set("defaultTrack", Napi::Boolean::New(env, track.defaultTrack));
|
|
trackObject.Set("forced", Napi::Boolean::New(env, track.forced));
|
|
output.Set(index, trackObject);
|
|
}
|
|
result.Set(key, output);
|
|
}
|
|
|
|
Napi::Value GetSessionSnapshot(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 1 || !info[0].IsString()) {
|
|
throw Napi::TypeError::New(env, "Expected session id.");
|
|
}
|
|
|
|
const auto session = findSession(info[0].As<Napi::String>().Utf8Value());
|
|
if (!session) {
|
|
return env.Null();
|
|
}
|
|
|
|
SessionSnapshot snapshot;
|
|
{
|
|
std::lock_guard<std::mutex> lock(session->mutex);
|
|
snapshot = session->snapshot;
|
|
}
|
|
|
|
auto result = Napi::Object::New(env);
|
|
result.Set("status", toStatusString(snapshot.status));
|
|
result.Set("positionSeconds", Napi::Number::New(env, snapshot.positionSeconds));
|
|
if (snapshot.durationSeconds < 0) {
|
|
result.Set("durationSeconds", env.Null());
|
|
} else {
|
|
result.Set("durationSeconds", Napi::Number::New(env, snapshot.durationSeconds));
|
|
}
|
|
result.Set("volume", Napi::Number::New(env, snapshot.volumePercent / 100.0));
|
|
result.Set("streamUrl", Napi::String::New(env, snapshot.streamUrl));
|
|
if (snapshot.selectedAudioTrackId >= 0) {
|
|
result.Set(
|
|
"selectedAudioTrackId",
|
|
Napi::Number::New(env, snapshot.selectedAudioTrackId)
|
|
);
|
|
} else {
|
|
result.Set("selectedAudioTrackId", env.Null());
|
|
}
|
|
writeTracks(env, result, "audioTracks", snapshot.audioTracks);
|
|
if (snapshot.selectedSubtitleTrackId >= 0) {
|
|
result.Set(
|
|
"selectedSubtitleTrackId",
|
|
Napi::Number::New(env, snapshot.selectedSubtitleTrackId)
|
|
);
|
|
} else {
|
|
result.Set("selectedSubtitleTrackId", env.Null());
|
|
}
|
|
writeTracks(env, result, "subtitleTracks", snapshot.subtitleTracks);
|
|
result.Set("playbackSpeed", Napi::Number::New(env, snapshot.playbackSpeed));
|
|
result.Set("aspectOverride", Napi::String::New(env, snapshot.aspectOverride));
|
|
if (
|
|
snapshot.recordingActive ||
|
|
!snapshot.recordingTargetPath.empty() ||
|
|
!snapshot.recordingError.empty()
|
|
) {
|
|
auto recording = Napi::Object::New(env);
|
|
recording.Set("active", Napi::Boolean::New(env, snapshot.recordingActive));
|
|
if (!snapshot.recordingTargetPath.empty()) {
|
|
recording.Set(
|
|
"targetPath",
|
|
Napi::String::New(env, snapshot.recordingTargetPath)
|
|
);
|
|
}
|
|
if (!snapshot.recordingStartedAt.empty()) {
|
|
recording.Set(
|
|
"startedAt",
|
|
Napi::String::New(env, snapshot.recordingStartedAt)
|
|
);
|
|
}
|
|
if (!snapshot.recordingError.empty()) {
|
|
recording.Set("error", Napi::String::New(env, snapshot.recordingError));
|
|
}
|
|
result.Set("recording", recording);
|
|
}
|
|
if (!snapshot.error.empty()) {
|
|
result.Set("error", Napi::String::New(env, snapshot.error));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Napi::Value DisposeSession(const Napi::CallbackInfo& info)
|
|
{
|
|
Napi::Env env = info.Env();
|
|
if (info.Length() < 1 || !info[0].IsString()) {
|
|
throw Napi::TypeError::New(env, "Expected session id.");
|
|
}
|
|
|
|
const std::string sessionId = info[0].As<Napi::String>().Utf8Value();
|
|
std::shared_ptr<Session> session;
|
|
{
|
|
std::lock_guard<std::mutex> sessionsLock(gSessionsMutex);
|
|
const auto iterator = gSessions.find(sessionId);
|
|
if (iterator == gSessions.end()) {
|
|
return env.Undefined();
|
|
}
|
|
session = iterator->second;
|
|
gSessions.erase(iterator);
|
|
}
|
|
|
|
destroySession(session);
|
|
return env.Undefined();
|
|
}
|
|
|
|
Napi::Object Init(Napi::Env env, Napi::Object exports)
|
|
{
|
|
exports.Set("isSupported", Napi::Function::New(env, IsSupported));
|
|
exports.Set("createSession", Napi::Function::New(env, CreateSession));
|
|
exports.Set("loadPlayback", Napi::Function::New(env, LoadPlayback));
|
|
exports.Set("setBounds", Napi::Function::New(env, SetBounds));
|
|
exports.Set("setPaused", Napi::Function::New(env, SetPaused));
|
|
exports.Set("seek", Napi::Function::New(env, Seek));
|
|
exports.Set("setVolume", Napi::Function::New(env, SetVolume));
|
|
exports.Set("setAudioTrack", Napi::Function::New(env, SetAudioTrack));
|
|
exports.Set("setSubtitleTrack", Napi::Function::New(env, SetSubtitleTrack));
|
|
exports.Set("setSpeed", Napi::Function::New(env, SetSpeed));
|
|
exports.Set("setAspect", Napi::Function::New(env, SetAspect));
|
|
exports.Set("startRecording", Napi::Function::New(env, StartRecording));
|
|
exports.Set("stopRecording", Napi::Function::New(env, StopRecording));
|
|
exports.Set("getSessionSnapshot", Napi::Function::New(env, GetSessionSnapshot));
|
|
exports.Set("disposeSession", Napi::Function::New(env, DisposeSession));
|
|
return exports;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
NODE_API_MODULE(embedded_mpv, Init)
|