Macaw/radio
3
0
Fork 0
Code Issues 3 Pull Requests Releases Wiki Activity

Decoding with my own translation of libmad, loading and playback progress, next and prev songs

Browse Source
This commit is contained in:
Blue 2019-01-24 22:54:16 +03:00
parent 0e31c5fdf2
commit e690d67b80
21 changed files with 290 additions and 11796 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
lib/wModel/file/audio.cpp
View File

@ -3,12 +3,8 @@
#include <mad.h>
M::Audio::Audio(W::Blob* p_file, const W::Address& addr, QObject* parent):
File(p_file, addr, parent),
frames()
File(p_file, addr, parent)
{
W::Handler* requestFrames = W::Handler::create(address + W::Address({u"requestFrames"}), this, &M::Audio::_h_requestFrames);
addHandler(requestFrames);
}
M::Audio::~Audio()
@ -32,41 +28,18 @@ void M::Audio::initAdditional(const W::String& p_mime)
uint64_t length = 0;
uint64_t tBits = 0;
uint64_t amount = 0;
while(stream.error != MAD_ERROR_BUFLEN) { //TODO handle other errors;
int success = mad_header_decode(&header, &stream);
if (success == 0) {
frames.emplace_back(stream.this_frame - stream.buffer, stream.next_frame - stream.this_frame);
amount++;
length += header.duration.seconds * MAD_TIMER_RESOLUTION + header.duration.fraction;
tBits += header.bitrate;
}
}
additional.insert(u"duration", new W::Uint64(length / MAD_TIMER_RESOLUTION));
additional.insert(u"bitrate", new W::Uint64(tBits / frames.size()));
additional.insert(u"framesAmount", new W::Uint64(frames.size()));
}
void M::Audio::h_requestFrames(const W::Event& ev)
{
const W::Vocabulary& vc = static_cast<const W::Vocabulary&>(ev.getData());
const W::Uint64& index = static_cast<const W::Uint64&>(vc.at(u"index"));
const W::Uint64& amount = static_cast<const W::Uint64&>(vc.at(u"amount"));
W::Vocabulary* evc = new W::Vocabulary();
if (index + amount > frames.size()) {
evc->insert(u"result", new W::Uint64(1));
} else {
evc->insert(u"result", new W::Uint64(0));
W::Vector* vframes = new W::Vector();
for (int i = 0; i < amount; ++i) {
const std::pair<uint64_t, uint64_t>& pair = frames[index + i]; //TODO optimize?
vframes->push(file->slice(pair.first, pair.second));
}
evc->insert(u"frames", vframes);
}
response(evc, W::Address{u"responseFrames"}, ev);
additional.insert(u"bitrate", new W::Uint64(tBits / amount));
}

5
lib/wModel/file/audio.h
View File

@ -24,11 +24,6 @@ namespace M {
protected:
void initAdditional(const W::String& p_mime) override;
handler(requestFrames);
private:
std::deque<std::pair<uint64_t, uint64_t>> frames;
};
}

22
lib/wModel/file/file.cpp
View File

@ -16,9 +16,11 @@ M::File::File(W::Blob* p_file, const W::Address& addr, QObject* parent):
{
W::Handler* get = W::Handler::create(address + W::Address({u"get"}), this, &M::File::_h_get);
W::Handler* getAdditional = W::Handler::create(address + W::Address({u"getAdditional"}), this, &M::File::_h_getAdditional);
W::Handler* getSlice = W::Handler::create(address + W::Address({u"getSlice"}), this, &M::File::_h_getSlice);
addHandler(get);
addHandler(getAdditional);
addHandler(getSlice);
}
M::File::~File()
@ -35,7 +37,7 @@ void M::File::initAdditional(const W::String& p_mime)
{
additional.clear();
additional.insert(u"size", new W::Uint64(file->size()));
additional.insert(u"size", new W::Uint64(file->length()));
additional.insert(u"mimeType", p_mime);
}
@ -106,3 +108,21 @@ M::File * M::File::create(W::Blob* blob, const W::Address& addr, QObject* parent
out->initAdditional(W::String(mime.toStdString()));
return out;
}
void M::File::h_getSlice(const W::Event& ev)
{
const W::Vocabulary& vc = static_cast<const W::Vocabulary&>(ev.getData());
const W::Uint64& begin = static_cast<const W::Uint64&>(vc.at(u"begin"));
const W::Uint64& size = static_cast<const W::Uint64&>(vc.at(u"size"));
W::Vocabulary* evc = new W::Vocabulary();
if (begin > file->length() || begin + size > file->length()) {
evc->insert(u"result", new W::Uint64(1));
} else {
evc->insert(u"result", new W::Uint64(0));
evc->insert(u"slice", file->slice(begin, size));
}
response(evc, W::Address{u"getSlice"}, ev);
}

1
lib/wModel/file/file.h
View File

@ -32,6 +32,7 @@ namespace M {
handler(get);
handler(getAdditional);
handler(getSlice);
protected:
W::Vocabulary additional;

73
libjs/wController/file/audio.js
View File

@ -9,79 +9,16 @@ var Audio = File.inherit({
className: "Audio",
constructor: function Audio(addr) {
File.fn.constructor.call(this, addr);
this._loadedFrames = 0;
this._totalFrames = 0;
this._waitingForFrames = false;
this._frames = new Vector();
this.addHandler("responseFrames");
},
destructor: function() {
this._frames.destructor();
File.fn.destructor.call(this);
},
hasMore: function() {
return this._totalFrames > this._loadedFrames;
return this.getSize() > this.data.length();
},
_getAdditional: function(add) {
var ac = File.fn._getAdditional.call(this, add);
if (ac) {
this._loadedFrames = 0;
this._totalFrames = this._additional.at("framesAmount").valueOf();
this._waitingForFrames = false;
}
return ac;
getBitrate: function() {
return this._additional.at("bitrate").valueOf();
},
_h_responseFrames: function(ev) {
if (this._waitingForFrames === true) {
var data = ev.getData();
var success = data.at("result").valueOf();
if (success === 0) {
var frames = data.at("frames");
var amount = frames.length();
var buffer = new ArrayBuffer(0);
for (var i = 0; i < amount; ++i) {
var blob = frames.at(i).clone();
this._frames.push(blob);
var frame = blob.valueOf();
var newArr = new Uint8Array(buffer.byteLength + frame.byteLength);
newArr.set(new Uint8Array(buffer), 0);
newArr.set(new Uint8Array(frame), buffer.byteLength);
buffer = newArr.buffer;
}
this._loadedFrames += amount;
this._waitingForFrames = false;
this.trigger("newFrames", buffer);
}
}
},
requestMore: function() {
if (!this._waitingForFrames) {
if (this._registered && this._subscribed) {
var allowed = this._totalFrames - this._loadedFrames;
if (allowed > 0) {
var vc = new Vocabulary();
vc.insert("index", new Uint64(this._loadedFrames));
vc.insert("amount", new Uint64(Math.min(framePortion, allowed)));
this.send(vc, "requestFrames");
this._waitingForFrames = true;
}
}
}
getDuration: function() {
return this._additional.at("duration").valueOf();
}
});
var framePortion = 10;
module.exports = Audio;

55
libjs/wController/file/file.js
View File

@ -2,6 +2,8 @@
var Controller = require("../controller");
var WVocabulary = require("../../wType/vocabulary");
var Uint64 = require("../../wType/uint64");
var Blob = require("../../wType/blob");
var File = Controller.inherit({
"className": "File",
@ -10,17 +12,17 @@ var File = Controller.inherit({
this._hasData = false;
this._hasAdditional = false;
this.data = null;
this.data = new Blob();
this._additional = null;
this._waitingForSlice = false;
this._need = 0;
this.addHandler("get");
this.addHandler("getAdditional");
this.addHandler("getSlice");
},
"destructor": function() {
if (this._hasData) {
this.data.destructor();
}
if (this._hasAdditional) {
this._additional.destructor();
}
@ -46,6 +48,9 @@ var File = Controller.inherit({
"getMimeType": function() {
return this._additional.at("mimeType").toString();
},
"getSize": function() {
return this._additional.at("size").valueOf();
},
"_h_get": function(ev) {
var dt = ev.getData();
@ -55,7 +60,9 @@ var File = Controller.inherit({
}
this._hasData = true;
var oldData = this.data;
this.data = dt.at("data").clone();
oldData.destructor();
this.trigger("data");
},
"_h_getAdditional": function(ev) {
@ -69,6 +76,24 @@ var File = Controller.inherit({
this.trigger("ready");
}
},
"_h_getSlice": function(ev) {
if (this._waitingForSlice) {
this._waitingForSlice = false;
var vc = ev.getData();
if (vc.at("result").valueOf() == 0) {
var slice = vc.at("slice");
this.data["+="](slice);
this.trigger("slice", slice);
if (this.getSize() === this.data.length()) {
this._hasData = true;
this.trigger("data");
}
} else {
this.trigger("serviceMessage", "Error receiving slice from " + this._pairAddress.toString(), 1);
}
}
},
"needData": function() {
if (this._need === 0) {
var vc = new WVocabulary();
@ -77,6 +102,30 @@ var File = Controller.inherit({
}
++this._need;
},
"requestSlice": function(size) {
if (this._hasAdditional) {
if (this._waitingForSlice) {
throw new Error("An attempt to request a slice of data from " + this._pairAddress.toString() + " while another request is in progress");
}
var begin = this.data.length();
var newSize = Math.min(size, this.getSize() - begin);
if (newSize !== size) {
//TODO may be inform the developer about that?
}
if (newSize === 0) {
return; //TODO may be inform the developer about that?
}
var vc = new WVocabulary();
vc.insert("begin", new Uint64(begin));
vc.insert("size", new Uint64(newSize));
this.send(vc, "getSlice");
this._waitingForSlice = true;
} else {
throw new Error("An attempt to request a slice of data from " + this._pairAddress.toString() + " before controller got initialized");
}
},
"subscribe": function() {
Controller.fn.subscribe.call(this);

104
libjs/wController/player.js
View File

@ -8,16 +8,11 @@ var Button = require("./button");
var ImageById = require("./imageById");
var Vocabulary = require("./vocabulary");
var Audio = require("./file/audio");
var Model = require("./localModel");
var Enum = require("../utils/enum");
var StateMachine = require("../utils/stateMachine");
var Source = AV.EventEmitter.extend(function() {
this.prototype.start = function(){}
this.prototype.pause = function(){}
this.prototype.reset = function(){}
});
var Player = Controller.inherit({
className: "Player",
constructor: function(addr) {
@ -26,6 +21,7 @@ var Player = Controller.inherit({
this.controls = Object.create(null);
this.views = Object.create(null);
this.mode = PlayerMode.straight.playback;
this.progress = new ProgressModel();
this._audio = null;
this._createStateMachine();
this._createPlayingInfrastructure();
@ -34,10 +30,14 @@ var Player = Controller.inherit({
this.addHandler("viewsChange");
this.addHandler("play");
this.addHandler("pause");
this._playbackInterval = setInterval(this._onInterval.bind(this), 250);
},
destructor: function() {
this._clearInterval(this._playbackInterval);
this._destroyPlayingInfrastructure();
this._fsm.destructor();
this._player.stop();
this.progress.destructor();
Controller.fn.destructor.call(this);
},
@ -109,15 +109,16 @@ var Player = Controller.inherit({
this.trigger("newElement", ctrl, t);
}
},
_createPlayingInfrastructure() {
if (this._source) {
this._source.reset();
this._asset.stop();
this._player.stop();
}
this._source = new Source();
this._asset = new AV.Asset(this._source);
this._player = new AV.Player(this._asset);
_createPlayingInfrastructure: function() {
this._ctx = new AudioContext();
this._decoder = new Mp3Decoder();
this._currentTime = 0;
this._ctx.suspend();
},
_destroyPlayingInfrastructure: function() {
this._ctx.close();
this._decoder.delete();
},
_createStateMachine: function() {
this._fsm = new StateMachine("initial", graphs[this.mode]);
@ -177,13 +178,28 @@ var Player = Controller.inherit({
this._addView(vc.at("type"), vc.at("address"));
}
},
_onAudioNewFrames: function(frames) {
var data = new Uint8Array(frames);
this._source.emit("data", new AV.Buffer(data));
_onAudioNewSlice: function(frames) {
var arr = new Uint8Array(frames.valueOf());
this._decoder.addFragment(arr);
while (this._decoder.hasMore()) {
var sb = this._decoder.decode(9999);
if (sb === undefined) {
break;
} else {
var src = this._ctx.createBufferSource();
src.buffer = sb;
src.connect(this._ctx.destination);
src.start(this._currentTime);
this._currentTime += sb.duration;
}
}
this.progress.setLoad(this._currentTime / this._audio.getDuration());
this._fsm.manipulation("newFrames");
if (this._audio.hasMore()) {
this._audio.requestMore();
this._audio.requestSlice(audioPortion);
} else {
this._fsm.manipulation("noMoreFrames");
}
@ -191,6 +207,11 @@ var Player = Controller.inherit({
_onControllerReady: function() {
this._fsm.manipulation("controllerReady");
},
_onInterval: function() {
if (this._audio && this._audio.initialized) {
this.progress.setPlayback(this._ctx.currentTime / this._audio.getDuration());
}
},
_onNewPlayBackElement: function(key, element) {
switch (key) {
case "image":
@ -202,7 +223,7 @@ var Player = Controller.inherit({
if (this.mode === PlayerMode.straight.playback) {
this._audio = new Audio(new Address(["music", element.toString()]));
this.addForeignController("Corax", this._audio);
this._audio.on("newFrames", this._onAudioNewFrames, this);
this._audio.on("slice", this._onAudioNewSlice, this);
this._audio.on("ready", this._onControllerReady, this);
this._fsm.manipulation("controller");
}
@ -228,16 +249,18 @@ var Player = Controller.inherit({
this.removeForeignController(this._audio);
this._audio.destructor();
this._audio = null;
this._destroyPlayingInfrastructure();
this._createPlayingInfrastructure();
}
break;
case "initialPlaying":
if (e.manipulation === "noController") {
this._player.pause();
this._ctx.suspend();
this.removeForeignController(this._audio);
this.audio.destructor();
this._audio = null;
this._destroyPlayingInfrastructure();
this._createPlayingInfrastructure();
}
break;
@ -249,9 +272,9 @@ var Player = Controller.inherit({
break;
case "hasControllerPlaying":
if (this._audio.hasMore()) {
this._audio.requestMore();
this._audio.requestSlice(audioPortion);
this._player.play(); //todo temporal
this._ctx.resume(); //todo temporal
} else {
this._fsm.manipulation("noMoreFrames");
}
@ -259,24 +282,24 @@ var Player = Controller.inherit({
case "paused":
switch (e.oldState) {
case "playing":
this._player.pause();
this._ctx.suspend();
break;
}
break;
case "pausedAllLoaded":
switch (e.oldState) {
case "playingAllLoaded":
this._player.pause();
this._ctx.suspend();
break;
}
break;
case "playing":
this._player.play();
this._ctx.resume();
break;
case "playingAllLoaded":
switch (e.oldState) {
case "pausedAllLoaded":
this._player.play();
this._ctx.resume();
break;
}
break;
@ -371,4 +394,29 @@ graphs[PlayerMode.straight.playback] = {
}
}
var audioPortion = 1024 * 50;
var ProgressModel = Model.inherit({
className: "ProgressModel",
constructor: function(properties) {
Model.fn.constructor.call(this, properties);
this.load = 0;
this.playback = 0;
this.initialized = true;
},
setLoad: function(l) {
if (l !== this.load) {
this.load = l;
this.trigger("load", l);
}
},
setPlayback: function(p) {
if (p !== this.playback) {
this.playback = p;
this.trigger("playback", p);
}
}
});
module.exports = Player;

30
libjs/wType/blob.js
View File

@ -17,6 +17,36 @@ var Blob = Object.inherit({
return this.size() == other.size(); //TODO let's pretend one shall never wish to compare blobs)
},
"+=": function(other) {
if (this.getType() !== other.getType()) {
throw new Error("An attempt to add and assign an " + other.className + " to " + this.className);
}
var newData = new ArrayBuffer(this._data.byteLength + other._data.byteLength);
var newView = new Uint8Array(newData);
var thisView = new Uint8Array(this._data);
var otherView = new Uint8Array(other._data);
newView.set(thisView, 0);
newView.set(otherView, this._data.byteLength);
this._data = newData;
},
"+": function(other) {
if (this.getType() !== other.getType()) {
throw new Error("An attempt to add an " + other.className + " to " + this.className);
}
var newData = new ArrayBuffer(this._data.byteLength + other._data.byteLength);
var newView = new Uint8Array(newData);
var thisView = new Uint8Array(this._data);
var otherView = new Uint8Array(other._data);
newView.set(thisView, 0);
newView.set(otherView, this._data.byteLength);
return new Blob(newData);
},
"base64": function() {
var arr = new Uint8Array(this._data);
var bin = "";

3
lorgar/lib/CMakeLists.txt
View File

@ -3,8 +3,6 @@ cmake_minimum_required(VERSION 2.8.12)
add_subdirectory(requirejs)
add_subdirectory(wSocket)
add_subdirectory(bintrees)
add_subdirectory(mp3)
add_subdirectory(aurora)
add_subdirectory(wContainer)
add_subdirectory(utils)
add_subdirectory(wType)
@ -12,3 +10,4 @@ add_subdirectory(wDispatcher)
add_subdirectory(wTest)
add_subdirectory(wController)
add_subdirectory(fonts)
add_subdirectory(em)

3
lorgar/lib/aurora/CMakeLists.txt
View File

@ -1,3 +0,0 @@
cmake_minimum_required(VERSION 2.8.12)
configure_file(aurora.js aurora.js)

3938
lorgar/lib/aurora/aurora.js
View File

File diff suppressed because it is too large Load Diff

4
lorgar/lib/em/CMakeLists.txt Normal file
View File

@ -0,0 +1,4 @@
cmake_minimum_required(VERSION 2.8.12)
configure_file(wrapper.js wrapper.js)
configure_file(wrapper.wasm wrapper.wasm COPYONLY)

4
lorgar/lib/em/wrapper.js Normal file
View File

File diff suppressed because one or more lines are too long

BIN
lorgar/lib/em/wrapper.wasm Normal file
View File

Binary file not shown.

3
lorgar/lib/mp3/CMakeLists.txt
View File

@ -1,3 +0,0 @@
cmake_minimum_required(VERSION 2.8.12)
configure_file(mp3.js mp3.js)

7706
lorgar/lib/mp3/mp3.js
View File

File diff suppressed because it is too large Load Diff

10
lorgar/main.js
View File

@ -1,10 +1,7 @@
"use strict";
(function main_js() {
requirejs.config({
"baseUrl": "/",
"shim": {
"lib/mp3/mp3": ["lib/aurora/aurora"]
}
"baseUrl": "/"
});
requirejs.onError = function(e) {
throw e;
@ -14,7 +11,8 @@
defineArray.push("test/test");
defineArray.push("core/lorgar");
defineArray.push("lib/utils/globalMethods");
defineArray.push("lib/mp3/mp3");
defineArray.push("lib/em/wrapper");
require(defineArray, function main_module() {
require("lib/utils/globalMethods");
@ -24,6 +22,8 @@
var Controller = require("lib/wController/controller");
var View = require("views/view");
window.Mp3Decoder = Module.Decoder;
var waiter = {
views: false,
controllers: false,

1
lorgar/views/CMakeLists.txt
View File

@ -14,5 +14,6 @@ configure_file(image.js image.js)
configure_file(button.js button.js)
configure_file(enumeration.js enumeration.js)
configure_file(player.js player.js)
configure_file(songProgress.js songProgress.js)
add_subdirectory(helpers)

9
lorgar/views/player.js
View File

@ -8,6 +8,7 @@
deps.push("views/label");
deps.push("views/view");
deps.push("views/image");
deps.push("views/songProgress");
deps.push("lib/wController/localModel");
@ -19,6 +20,7 @@
var Label = require("views/label");
var View = require("views/view");
var Image = require("views/image");
var SongProgress = require("views/songProgress");
var Model = require("lib/wController/localModel");
@ -34,6 +36,7 @@
this._next = null;
this._picture = null;
this._cpbCtrl = null;
this._infoModels = {
artist: new Model(null, "artist: unknown"),
album: new Model(null, "album: unknown"),
@ -46,12 +49,14 @@
var artist = new Label(this._infoModels.artist);
var album = new Label(this._infoModels.album);
var song = new Label(this._infoModels.song);
var spacer = new View(helper);
var spacer = new View(helper, {maxWidth: 50});
var progress = new SongProgress(ctrl.progress);
this.append(artist, 0, 4, 1, 1, GridLayout.Aligment.LeftCenter);
this.append(song, 1, 4, 1, 1, GridLayout.Aligment.LeftCenter);
this.append(album, 2, 4, 1, 1, GridLayout.Aligment.LeftCenter);
this.append(spacer, 0, 5, 3, 1, GridLayout.Aligment.LeftCenter);
this.append(spacer, 0, 6, 3, 1, GridLayout.Aligment.LeftCenter);
this.append(progress, 1, 5, 1, 1, GridLayout.Aligment.CenterCenter);
this._uncyclic.push(this._infoModels.artist.destructor.bind(this._infoModels.artist));
this._uncyclic.push(this._infoModels.song.destructor.bind(this._infoModels.song));

76
lorgar/views/songProgress.js Normal file
View File

@ -0,0 +1,76 @@
"use strict";
(function() {
var moduleName = "views/songProgress";
var deps = [];
deps.push("views/view");
define(moduleName, deps, function() {
var View = require("views/view");
var SongProgress = View.inherit({
className: "SongProgress",
constructor: function(controller, options) {
var base = {
minHeight: 10,
maxHeight: 10
};
W.extend(base, options)
var el = document.createElement("div");
this._createBars();
View.fn.constructor.call(this, controller, base, el);
this._f.on("load", this._onLoad, this);
this._f.on("playback", this._onPlayback, this);
this._e.style.backgroundColor = "#eeeeee";
this._e.appendChild(this._loadProgress);
this._e.appendChild(this._playbackProgress);
},
destructor: function() {
this._f.off("load", this._onLoad, this);
this._f.off("playback", this._onPlayback, this);
View.fn.destructor.call(this);
},
_createBars: function() {
this._loadProgress = document.createElement("div");
this._playbackProgress = document.createElement("div");
this._loadProgress.style.backgroundColor = View.theme.secondaryColor || "#ffff00";
this._loadProgress.style.height = "100%";
this._loadProgress.style.width = "0";
this._loadProgress.style.position = "absolute";
this._loadProgress.style.top = "0";
this._loadProgress.style.left = "0";
this._playbackProgress.style.backgroundColor = View.theme.primaryColor || "#ff0000";
this._playbackProgress.style.height = "100%";
this._playbackProgress.style.width = "0";
this._playbackProgress.style.position = "absolute";
this._playbackProgress.style.top = "0";
this._playbackProgress.style.left = "0";
},
_onData: function() {
this._onLoad(this._f.load);
this._onPlayback(this._f.playback);
},
_onLoad: function(load) {
this._loadProgress.style.width = load * 100 + "%";
},
_onPlayback: function(pb) {
this._playbackProgress.style.width = pb * 100 + "%";
},
_resetTheme: function() {
View.fn._resetTheme.call(this);
this._loadProgress.style.backgroundColor = View.theme.secondaryColor || "#ffff00"
this._playbackProgress.style.backgroundColor = View.theme.primaryColor || "#ff0000";
}
});
return SongProgress;
})
})();

2
magnus/app.js
View File

@ -3,6 +3,8 @@ var morgan = require("morgan");
var favicon = require("serve-favicon");
var Magnus = require("./core/magnus");
express.static.mime.types.wasm = 'application/wasm';
require("./lib/utils/globalMethods");
var config = require("./config");