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WIP replaygain support

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This commit is contained in:
emeric
2020-04-25 14:39:49 +02:00
parent 4749fd7548
commit f41b6c38a7
22 changed files with 480 additions and 216 deletions
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docroot/js/mediaplayer.js
+27 -34
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@@ -22,10 +22,10 @@ LMS.mediaplayer = function () {
var _offset = 0;
var _duration = 0;
var _audioNativeSrc;
var _audioTranscodedSrc;
var _transcodeMode = TranscodeMode.Never;
var _transcodeFormat = 0;
var _transcodeBitrate = 0;
var _audioTranscodeSrc;
var _settings = {};
var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
var _gainNode = audioCtx.createGain();
var _updateControls = function() {
if (_elems.audio.paused) {
@@ -81,27 +81,15 @@ LMS.mediaplayer = function () {
_setVolume(_elems.volumeslider.value);
}
var _initTranscodeSettings = function(defaultTranscodeMode, defaultTranscodeFormat, defaultTranscodeBitrate) {
if (typeof(Storage) !== "undefined" && localStorage.transcodeMode) {
_transcodeMode = Number(localStorage.transcodeMode);
var _initDefaultSettings = function(defaultSettings) {
if (typeof(Storage) !== "undefined" && localStorage.settings) {
_settings = Object.assign(defaultSettings, JSON.parse(localStorage.settings));
}
else {
_transcodeMode = defaultTranscodeMode;
}
if (typeof(Storage) !== "undefined" && localStorage.transcodeFormat) {
_transcodeFormat = Number(localStorage.transcodeFormat);
}
else {
_transcodeFormat = defaultTranscodeFormat;
}
if (typeof(Storage) !== "undefined" && localStorage.transcodeBitrate) {
_transcodeBitrate = Number(localStorage.transcodeBitrate);
}
else {
_transcodeBitrate = defaultTranscodeBitrate;
_settings = defaultSettings;
}
Wt.emit(_root, "settingsLoaded", _transcodeMode, _transcodeFormat, _transcodeBitrate);
Wt.emit(_root, "settingsLoaded", JSON.stringify(_settings));
}
var _setVolume = function(volume) {
@@ -132,7 +120,11 @@ LMS.mediaplayer = function () {
}
}
var init = function(root, defaultTranscodeMode, defaultTranscodeFormat, defaultTranscodeBitrate) {
var _setReplayGain = function (replayGain) {
_gainNode.gain.value = Math.pow(10, (_settings.replayGain.preAmpGain + replayGain) / 20);
}
var init = function(root, defaultSettings) {
_root = root;
_elems.audio = document.getElementById("lms-mp-audio");
@@ -146,6 +138,10 @@ LMS.mediaplayer = function () {
_elems.volume = document.getElementById("lms-mp-volume");
_elems.volumeslider = document.getElementById("lms-mp-volume-slider");
var source = audioCtx.createMediaElementSource(_elems.audio);
source.connect(_gainNode);
_gainNode.connect(audioCtx.destination);
_elems.playpause.addEventListener("click", function() {
if (_elems.audio.paused) {
if (_elems.audio.firstChild)
@@ -199,7 +195,7 @@ LMS.mediaplayer = function () {
});
_initVolume();
_initTranscodeSettings(defaultTranscodeMode, defaultTranscodeFormat, defaultTranscodeBitrate);
_initDefaultSettings(defaultSettings);
_elems.volumeslider.addEventListener("input", function() {
_setVolume(_elems.volumeslider.value);
@@ -251,23 +247,24 @@ LMS.mediaplayer = function () {
var loadTrack = function(params, autoplay) {
_offset = 0;
_duration = params.duration;
_audioNativeSrc = params.native_resource;
_audioTranscodeSrc = params.transcode_resource + "&bitrate=" + _transcodeBitrate + "&format=" + _transcodeFormat;
_audioNativeSrc = params.nativeResource;
_audioTranscodeSrc = params.transcodeResource + "&bitrate=" + _settings.transcode.bitrate + "&format=" + _settings.transcode.format;
_elems.seek.max = _duration;
_removeAudioSources();
// ! order is important
if (_transcodeMode == TranscodeMode.Never || _transcodeMode == TranscodeMode.IfFormatNotSupported)
if (_settings.transcode.mode == TranscodeMode.Never || _settings.transcode.mode == TranscodeMode.IfFormatNotSupported)
{
_addAudioSource(_audioNativeSrc);
}
if (_transcodeMode == TranscodeMode.Always || _transcodeMode == TranscodeMode.IfFormatNotSupported)
if (_settings.transcode.mode == TranscodeMode.Always || _settings.transcode.mode == TranscodeMode.IfFormatNotSupported)
{
_addAudioSource(_audioTranscodeSrc);
}
_elems.audio.load();
_setReplayGain(params.replayGain);
_elems.curtime.innerHTML = _durationToString(_offset);
_elems.duration.innerHTML = _durationToString(_duration);
@@ -289,15 +286,11 @@ LMS.mediaplayer = function () {
_elems.audio.pause();
}
var setSettings = function(transcodeMode, transcodeFormat, transcodeBitrate) {
_transcodeMode = transcodeMode;
_transcodeFormat = transcodeFormat;
_transcodeBitrate = transcodeBitrate;
var setSettings = function(settings) {
_settings = settings;
if (typeof(Storage) !== "undefined") {
localStorage.transcodeMode = _transcodeMode;
localStorage.transcodeFormat = _transcodeFormat;
localStorage.transcodeBitrate = _transcodeBitrate;
localStorage.settings = JSON.stringify(_settings);
}
}