volume control, schedule button, VBR decoder fix, reduced debug in decoder, added decoder source
This commit is contained in:
parent
d2e3aa0880
commit
7f03a0bd75
@ -18,8 +18,10 @@ M::Player::Player(const W::Address& address, QObject* parent):
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{
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W::Handler* get = W::Handler::create(address + W::Address({u"get"}), this, &M::Player::_h_get);
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W::Handler* hqueue = W::Handler::create(address + W::Address({u"queue"}), this, &M::Player::_h_queue);
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W::Handler* hplay = W::Handler::create(address + W::Address({u"play"}), this, &M::Player::_h_play);
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addHandler(get);
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addHandler(hqueue);
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addHandler(hplay);
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playPauseBtn->setLabel(W::String(u"Play"));
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playPauseBtn->setEnabled(false);
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@ -126,7 +128,6 @@ void M::Player::h_queue(const W::Event& ev)
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_queueView->push(song->getAddress());
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if (current == 0) {
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scheduledToplay = true;
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setActive(song);
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}
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@ -293,3 +294,20 @@ void M::Player::setActive(uint64_t index)
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}
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}
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void M::Player::h_play(const W::Event& ev)
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{
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const W::Vocabulary& data = static_cast<const W::Vocabulary&>(ev.getData());
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const W::Uint64& id = static_cast<const W::Uint64&>(data.at(u"id"));
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ProxySong* song = new ProxySong(id, address + W::Address{W::String(W::Uint64(counter++).toString())});
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addModel(song);
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_queue.push_back(song);
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_queueView->push(song->getAddress());
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scheduledToplay = true;
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setActive(song);
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if (currentIndex + 1 < _queue.size()) {
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nextBtn->setEnabled(true);
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}
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}
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@ -49,6 +49,7 @@ namespace M {
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handler(get);
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handler(queue);
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handler(play);
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private:
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typedef std::map<ItemType, W::Address> ItemMap;
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@ -116,6 +116,14 @@ var standardActions = {
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id.destructor();
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},
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name: "Play"
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},
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"scheduledToPlay": {
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handler: function(obj) {
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var id = obj._pairAddress.back(); //todo it's a kind of crutch, need to do something about it in the future
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window.scheduleToPlay(id);
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id.destructor();
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},
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name: "Schedule"
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}
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};
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@ -258,7 +258,6 @@ var Player = Controller.inherit({
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} else {
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this._fsm.manipulation("pause");
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this._onSeekingStart();
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this._onSeek(0);
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this._onSeekingEnd(0);
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this.controls[ItemType.straight.playPause].activate();
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}
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@ -354,7 +353,7 @@ var Player = Controller.inherit({
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this._ctx.suspend();
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this.removeForeignController(this._audio);
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this.audio.destructor();
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this._audio.destructor();
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this._audio = null;
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this._destroyPlayingInfrastructure();
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this._createPlayingInfrastructure();
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@ -257,7 +257,7 @@
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var vc = new Vocabulary();
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vc.insert("id", id.clone());
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var ev = new Event(this._playerCtl.getPairAddress()["+="](queue), vc);
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var ev = new Event(this._playerCtl.getPairAddress()["+="](play), vc);
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var socket = this._nodes.Corax.socket;
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ev.setSenderId(socket.getId().clone());
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@ -325,6 +325,19 @@
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this._playerCtl.on("serviceMessage", this._onServiceMessage, this);
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},
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"scheduleToPlay": function(id) {
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if (this._nodes.Corax && this._nodes.Corax.connected) {
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var vc = new Vocabulary();
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vc.insert("id", id.clone());
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var ev = new Event(this._playerCtl.getPairAddress()["+="](queue), vc);
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var socket = this._nodes.Corax.socket;
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ev.setSenderId(socket.getId().clone());
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socket.send(ev);
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ev.destructor();
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}
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},
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"setTheme": function(theme) {
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View.setTheme(theme);
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},
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@ -372,6 +385,7 @@
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SocketState.add("connected", {description: "Socket is connected"});
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var queue = new Address(["queue"]);
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var play = new Address(["play"]);
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return Lorgar;
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});
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@ -1,4 +1,12 @@
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cmake_minimum_required(VERSION 2.8.12)
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configure_file(wrapper.js wrapper.js)
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configure_file(wrapper.wasm wrapper.wasm COPYONLY)
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execute_process(COMMAND
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emcc --bind
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${CMAKE_CURRENT_SOURCE_DIR}/libmad.bc
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${CMAKE_CURRENT_SOURCE_DIR}/decoder.cpp
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-o ${CMAKE_CURRENT_BINARY_DIR}/wrapper.js
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-s FILESYSTEM=0
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-s ENVIRONMENT=web
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-O3
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--llvm-lto 1
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)
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347
lorgar/lib/em/decoder.cpp
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347
lorgar/lib/em/decoder.cpp
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@ -0,0 +1,347 @@
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#include "decoder.h"
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#include <iostream>
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Decoder::Decoder():
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state(empty),
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sampleRate(0),
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channels(0),
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cachedLength(0),
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samplesPerFrame(0),
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glue(new uint8_t[GLUE_LENGTH]),
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cachedNext(NULL),
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cachedThis(NULL),
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cachedError(MAD_ERROR_NONE),
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cached(false),
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synth(new mad_synth()),
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stream(new mad_stream()),
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frame(new mad_frame()),
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context(0),
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pending()
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{
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for (int i = 0; i < GLUE_LENGTH; ++i) {
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glue[i] = 0;
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}
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mad_frame_init(frame);
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mad_stream_init(stream);
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mad_synth_init(synth);
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emscripten::val AudioContext = emscripten::val::global("AudioContext");
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if (!AudioContext.as<bool>()) {
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AudioContext = emscripten::val::global("webkitAudioContext");
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}
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context = AudioContext.new_();
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}
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Decoder::~Decoder()
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{
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context.call<void>("close");
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mad_synth_finish(synth);
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mad_stream_finish(stream);
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mad_frame_finish(frame);
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delete synth;
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delete stream;
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delete frame;
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delete[] glue;
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}
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void Decoder::addFragment(const emscripten::val& array)
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{
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uint32_t length = array["length"].as<uint32_t>();
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if (length < GLUE_LENGTH / 2) {
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std::cout << "Error: an attempt to add fragment smaller then half of the glue buffer, ignoring";
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return;
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}
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uint8_t* buffer = new uint8_t[length];
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for (int i = 0; i < length; ++i) {
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buffer[i] = array[std::to_string(i)].as<uint8_t>();
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}
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RawBuffer rb = {buffer, length};
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pending.push_back(rb);
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switch (state) {
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case empty:
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mad_stream_buffer(stream, buffer, length);
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for (int i = 0; i < GLUE_LENGTH/2; ++i) {
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glue[i] = buffer[length - GLUE_LENGTH/2 + i];
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}
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state = onBufferHalf;
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prepareNextBuffer();
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break;
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case onBufferHalf:
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for (int i = 0; i < GLUE_LENGTH/2; ++i) {
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glue[GLUE_LENGTH/2 + i] = buffer[i];
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}
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state = onBufferFull;
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break;
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case onBufferFull:
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break;
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case onGlueHalf:
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for (int i = 0; i < GLUE_LENGTH/2; ++i) {
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glue[GLUE_LENGTH/2 + i] = buffer[i];
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}
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state = onGlueFull;
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cached = false;
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prepareNextBuffer();
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break;
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case onGlueFull:
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break;
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}
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}
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emscripten::val Decoder::decode(uint32_t count)
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{
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emscripten::val ret = emscripten::val::undefined();
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int available = framesLeft(count);
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int success = 0;
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if (available > 0) {
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ret = context.call<emscripten::val>("createBuffer", channels, available * samplesPerFrame, sampleRate);
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std::vector<emscripten::val> chans(channels, emscripten::val::undefined());
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for (int i = 0; i < channels; ++i) {
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chans[i] = ret.call<emscripten::val>("getChannelData", i);
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}
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for (int i = 0; success < available; ++i) {
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int res = mad_frame_decode(frame, stream);
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if (res != 0) {
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if (MAD_RECOVERABLE(stream->error)) {
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std::cout << "Unexpected error during the decoding process: " << mad_stream_errorstr(stream) << std::endl;
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continue;
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} else {
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break;
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}
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}
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mad_synth_frame(synth, frame);
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for (int j = 0; j < samplesPerFrame; ++j) {
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for (int k = 0; k < channels; ++k) {
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float value = mad_f_todouble(synth->pcm.samples[k][j]);
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chans[k].set(std::to_string(success * samplesPerFrame + j), emscripten::val(value));
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}
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}
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++success;
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}
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cachedLength -= available;
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#if DEBUGGING
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std::cout << "Processed " << available << " frames, " << success << " successfully, last error " << mad_stream_errorstr(stream) << std::endl;
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#endif
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if (cachedLength == 0) {
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cached = false;
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prepareNextBuffer();
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}
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}
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return ret;
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}
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bool Decoder::hasMore() const
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{
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if (pending.size() == 1) {
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return stream->error != MAD_ERROR_BUFLEN;
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} else {
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return true;
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}
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}
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uint32_t Decoder::framesLeft(uint32_t max)
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{
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if (state == empty || state == onGlueHalf) {
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return 0;
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}
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if (cached == false) {
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mad_stream probe;
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mad_header ph;
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initializeProbe(probe);
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mad_header_init(&ph);
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sampleRate = 0;
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while (cachedLength < max) {
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if (mad_header_decode(&ph, &probe) == 0) {
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if (sampleRate == 0) {
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sampleRate = ph.samplerate;
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channels = MAD_NCHANNELS(&ph);
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samplesPerFrame = MAD_NSBSAMPLES(&ph) * 32; //not sure why 32, it's in libmad source
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} else {
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if (sampleRate != ph.samplerate || channels != MAD_NCHANNELS(&ph) || samplesPerFrame != MAD_NSBSAMPLES(&ph) * 32) {
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if (cachedLength > 0) {
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#if DEBUGGING
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std::cout << "sample rate " << sampleRate << " -> " << ph.samplerate << std::endl;
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std::cout << "channels " << channels << " -> " << MAD_NCHANNELS(&ph) << std::endl;
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std::cout << "samples per frame " << samplesPerFrame << " -> " << MAD_NSBSAMPLES(&ph) * 32 << std::endl;
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#endif
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probe.next_frame = probe.this_frame;
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break;
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}
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}
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}
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if (probe.next_frame > probe.this_frame) {
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++cachedLength;
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}
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} else {
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#if DEBUGGING
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std::cout << "framesLeft error: " << mad_stream_errorstr(&probe) << std::endl;
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#endif
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if (!MAD_RECOVERABLE(probe.error)) {
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break;
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}
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}
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}
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cachedNext = probe.next_frame;
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cachedThis = probe.this_frame;
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cachedError = probe.error;
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mad_header_finish(&ph);
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mad_stream_finish(&probe);
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#if DEBUGGING
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std::cout << cachedLength << " frames are available for decoding" << std::endl;
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#endif
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cached = true;
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}
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return std::min(cachedLength, max);
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}
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void Decoder::pullBuffer()
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{
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if (cached == false) {
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std::cout << "Error in pullBuffer method!" << std::endl;
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}
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stream->this_frame = cachedThis;
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stream->next_frame = cachedNext;
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stream->error = cachedError;
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}
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void Decoder::changeBuffer()
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{
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switch (state) {
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case empty:
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std::cout << "Wrong state on switchBuffer method - empty, aborting" << std::endl;
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case onBufferHalf:
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switchToGlue();
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state = onGlueHalf;
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break;
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case onBufferFull:
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switchToGlue();
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state = onGlueFull;
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break;
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case onGlueHalf:
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std::cout << "Wrong state on switchBuffer method - onGlueHalf, aborting" << std::endl;
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break;
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case onGlueFull:
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#if DEBUGGING
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std::cout << "Having another fragment " << pending[0].length << " bytes long" << std::endl;
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#endif
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switchBuffer(pending[0].ptr, pending[0].length);
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for (int i = 0; i < GLUE_LENGTH/2; ++i) {
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glue[i] = pending[0].ptr[pending[0].length - GLUE_LENGTH/2 + i];
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}
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state = onBufferHalf;
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if (pending.size() > 1) {
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for (int i = 0; i < GLUE_LENGTH/2; ++i) {
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glue[GLUE_LENGTH/2 + i] = pending[1].ptr[i];
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}
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state = onBufferFull;
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}
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}
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cached = false;
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}
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void Decoder::prepareNextBuffer()
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{
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bool shift;
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do {
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shift = false;
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framesLeft();
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if (cachedLength == 0 && state != empty && state != onGlueHalf) {
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pullBuffer();
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changeBuffer();
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shift = true;
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}
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} while (shift);
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}
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void Decoder::initializeProbe(mad_stream& probe)
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{
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mad_stream_init(&probe);
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probe.buffer = stream->buffer;
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probe.bufend = stream->bufend;
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probe.skiplen = stream->skiplen;
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//probe.sync = stream->sync;
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//probe.freerate = stream->freerate;
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//probe.this_frame = stream->this_frame;
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probe.next_frame = stream->next_frame;
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//probe.ptr.byte = stream->ptr.byte;
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//probe.ptr.cache = stream->ptr.cache;
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//probe.ptr.cache = stream->ptr.cache;
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//probe.anc_ptr.byte = stream->anc_ptr.byte;
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//probe.anc_ptr.cache = stream->anc_ptr.cache;
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//probe.anc_ptr.cache = stream->anc_ptr.cache;
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//probe.anc_bitlen = stream->anc_bitlen;
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//probe.main_data = stream.main_data;
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//probe.md_len = stream.md_len;
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//probe.options = stream->options;
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//probe.error = stream->error;
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}
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void Decoder::switchToGlue()
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{
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#if DEBUGGING
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std::cout << "Switching to glue" << std::endl;
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#endif
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switchBuffer(glue, GLUE_LENGTH);
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#if DEBUGGING
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std::cout << "Freeing the drained fragment" << std::endl;
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#endif
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delete[] pending[0].ptr;
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pending.pop_front();
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}
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void Decoder::switchBuffer(uint8_t* bufferPtr, uint32_t length)
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{
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uint32_t left;
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if (stream->error != MAD_ERROR_BUFLEN) {
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std::cout << "WARNING: Switching buffers while the previous one is not drained, last error: " << mad_stream_errorstr(stream) << std::endl;
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}
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if (stream->next_frame != NULL) {
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left = stream->bufend - stream->next_frame;
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} else {
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std::cout << "WARNING: not supposed to happen" << std::endl;
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}
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if (left > GLUE_LENGTH / 2) {
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std::cout << "Error: bytes to read in the buffer are more then glue buffer can fit (" << left << ")" << std::endl;
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throw 1;
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}
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mad_stream_buffer(stream, bufferPtr + GLUE_LENGTH / 2 - left, length - (GLUE_LENGTH / 2 - left));
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stream->error = MAD_ERROR_NONE;
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while (mad_header_decode(&frame->header, stream) != 0 && stream->error != MAD_ERROR_BUFLEN) {}
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}
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79
lorgar/lib/em/decoder.h
Normal file
79
lorgar/lib/em/decoder.h
Normal file
@ -0,0 +1,79 @@
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#ifndef DECODER_H
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#define DECODER_H
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/**
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* @todo write docs
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*/
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#include <deque>
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#include <emscripten/val.h>
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#include <emscripten/bind.h>
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||||
#include "mad.h"
|
||||
|
||||
#define GLUE_LENGTH 6000
|
||||
|
||||
#define DEBUGGING false
|
||||
|
||||
class Decoder {
|
||||
public:
|
||||
Decoder();
|
||||
~Decoder();
|
||||
|
||||
void addFragment(const emscripten::val& array);
|
||||
emscripten::val decode(uint32_t count = UINT32_MAX);
|
||||
bool hasMore() const;
|
||||
uint32_t framesLeft(uint32_t max = UINT32_MAX);
|
||||
|
||||
private:
|
||||
|
||||
enum State {
|
||||
empty,
|
||||
onBufferHalf,
|
||||
onBufferFull,
|
||||
onGlueHalf,
|
||||
onGlueFull
|
||||
};
|
||||
|
||||
struct RawBuffer {
|
||||
uint8_t* ptr;
|
||||
uint32_t length;
|
||||
};
|
||||
|
||||
State state;
|
||||
|
||||
uint32_t sampleRate;
|
||||
uint8_t channels;
|
||||
uint32_t cachedLength;
|
||||
uint16_t samplesPerFrame;
|
||||
uint8_t* glue;
|
||||
uint8_t const* cachedNext;
|
||||
uint8_t const* cachedThis;
|
||||
mad_error cachedError;
|
||||
bool cached;
|
||||
|
||||
mad_synth* synth;
|
||||
mad_stream* stream;
|
||||
mad_frame* frame;
|
||||
emscripten::val context;
|
||||
|
||||
std::deque<RawBuffer> pending;
|
||||
|
||||
private:
|
||||
void pullBuffer();
|
||||
void changeBuffer();
|
||||
void prepareNextBuffer();
|
||||
void initializeProbe(mad_stream& probe);
|
||||
void switchToGlue();
|
||||
void switchBuffer(uint8_t* bufferPtr, uint32_t length);
|
||||
};
|
||||
|
||||
EMSCRIPTEN_BINDINGS(jsmad) {
|
||||
emscripten::class_<Decoder>("Decoder")
|
||||
.constructor<>()
|
||||
.function("addFragment", &Decoder::addFragment)
|
||||
.function("hasMore", &Decoder::hasMore)
|
||||
.function("framesLeft", &Decoder::framesLeft)
|
||||
.function("decode", &Decoder::decode);
|
||||
}
|
||||
|
||||
#endif // DECODER_H
|
||||
BIN
lorgar/lib/em/libmad.bc
Normal file
BIN
lorgar/lib/em/libmad.bc
Normal file
Binary file not shown.
964
lorgar/lib/em/mad.h
Normal file
964
lorgar/lib/em/mad.h
Normal file
@ -0,0 +1,964 @@
|
||||
/*
|
||||
* libmad - MPEG audio decoder library
|
||||
* Copyright (C) 2000-2004 Underbit Technologies, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* If you would like to negotiate alternate licensing terms, you may do
|
||||
* so by contacting: Underbit Technologies, Inc. <info@underbit.com>
|
||||
*/
|
||||
|
||||
# ifdef __cplusplus
|
||||
extern "C" {
|
||||
# endif
|
||||
|
||||
# define FPM_64BIT
|
||||
|
||||
|
||||
|
||||
# define SIZEOF_INT 4
|
||||
# define SIZEOF_LONG 4
|
||||
# define SIZEOF_LONG_LONG 8
|
||||
|
||||
|
||||
/* Id: version.h,v 1.26 2004/01/23 09:41:33 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_VERSION_H
|
||||
# define LIBMAD_VERSION_H
|
||||
|
||||
# define MAD_VERSION_MAJOR 0
|
||||
# define MAD_VERSION_MINOR 15
|
||||
# define MAD_VERSION_PATCH 1
|
||||
# define MAD_VERSION_EXTRA " (beta)"
|
||||
|
||||
# define MAD_VERSION_STRINGIZE(str) #str
|
||||
# define MAD_VERSION_STRING(num) MAD_VERSION_STRINGIZE(num)
|
||||
|
||||
# define MAD_VERSION MAD_VERSION_STRING(MAD_VERSION_MAJOR) "." \
|
||||
MAD_VERSION_STRING(MAD_VERSION_MINOR) "." \
|
||||
MAD_VERSION_STRING(MAD_VERSION_PATCH) \
|
||||
MAD_VERSION_EXTRA
|
||||
|
||||
# define MAD_PUBLISHYEAR "2000-2004"
|
||||
# define MAD_AUTHOR "Underbit Technologies, Inc."
|
||||
# define MAD_EMAIL "info@underbit.com"
|
||||
|
||||
extern char const mad_version[];
|
||||
extern char const mad_copyright[];
|
||||
extern char const mad_author[];
|
||||
extern char const mad_build[];
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_FIXED_H
|
||||
# define LIBMAD_FIXED_H
|
||||
|
||||
# if SIZEOF_INT >= 4
|
||||
typedef signed int mad_fixed_t;
|
||||
|
||||
typedef signed int mad_fixed64hi_t;
|
||||
typedef unsigned int mad_fixed64lo_t;
|
||||
# else
|
||||
typedef signed long mad_fixed_t;
|
||||
|
||||
typedef signed long mad_fixed64hi_t;
|
||||
typedef unsigned long mad_fixed64lo_t;
|
||||
# endif
|
||||
|
||||
# if defined(_MSC_VER)
|
||||
# define mad_fixed64_t signed __int64
|
||||
# elif 1 || defined(__GNUC__)
|
||||
# define mad_fixed64_t signed long long
|
||||
# endif
|
||||
|
||||
# if defined(FPM_FLOAT)
|
||||
typedef double mad_sample_t;
|
||||
# else
|
||||
typedef mad_fixed_t mad_sample_t;
|
||||
# endif
|
||||
|
||||
/*
|
||||
* Fixed-point format: 0xABBBBBBB
|
||||
* A == whole part (sign + 3 bits)
|
||||
* B == fractional part (28 bits)
|
||||
*
|
||||
* Values are signed two's complement, so the effective range is:
|
||||
* 0x80000000 to 0x7fffffff
|
||||
* -8.0 to +7.9999999962747097015380859375
|
||||
*
|
||||
* The smallest representable value is:
|
||||
* 0x00000001 == 0.0000000037252902984619140625 (i.e. about 3.725e-9)
|
||||
*
|
||||
* 28 bits of fractional accuracy represent about
|
||||
* 8.6 digits of decimal accuracy.
|
||||
*
|
||||
* Fixed-point numbers can be added or subtracted as normal
|
||||
* integers, but multiplication requires shifting the 64-bit result
|
||||
* from 56 fractional bits back to 28 (and rounding.)
|
||||
*
|
||||
* Changing the definition of MAD_F_FRACBITS is only partially
|
||||
* supported, and must be done with care.
|
||||
*/
|
||||
|
||||
# define MAD_F_FRACBITS 28
|
||||
|
||||
# if MAD_F_FRACBITS == 28
|
||||
# define MAD_F(x) ((mad_fixed_t) (x##L))
|
||||
# else
|
||||
# if MAD_F_FRACBITS < 28
|
||||
# warning "MAD_F_FRACBITS < 28"
|
||||
# define MAD_F(x) ((mad_fixed_t) \
|
||||
(((x##L) + \
|
||||
(1L << (28 - MAD_F_FRACBITS - 1))) >> \
|
||||
(28 - MAD_F_FRACBITS)))
|
||||
# elif MAD_F_FRACBITS > 28
|
||||
# error "MAD_F_FRACBITS > 28 not currently supported"
|
||||
# define MAD_F(x) ((mad_fixed_t) \
|
||||
((x##L) << (MAD_F_FRACBITS - 28)))
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# define MAD_F_MIN ((mad_fixed_t) -0x80000000L)
|
||||
# define MAD_F_MAX ((mad_fixed_t) +0x7fffffffL)
|
||||
|
||||
# define MAD_F_ONE MAD_F(0x10000000)
|
||||
|
||||
# define mad_f_tofixed(x) ((mad_fixed_t) \
|
||||
((x) * (double) (1L << MAD_F_FRACBITS) + 0.5))
|
||||
# define mad_f_todouble(x) ((double) \
|
||||
((x) / (double) (1L << MAD_F_FRACBITS)))
|
||||
|
||||
# define mad_f_intpart(x) ((x) >> MAD_F_FRACBITS)
|
||||
# define mad_f_fracpart(x) ((x) & ((1L << MAD_F_FRACBITS) - 1))
|
||||
/* (x should be positive) */
|
||||
|
||||
# define mad_f_fromint(x) ((x) << MAD_F_FRACBITS)
|
||||
|
||||
# define mad_f_add(x, y) ((x) + (y))
|
||||
# define mad_f_sub(x, y) ((x) - (y))
|
||||
|
||||
# if defined(FPM_FLOAT)
|
||||
# error "FPM_FLOAT not yet supported"
|
||||
|
||||
# undef MAD_F
|
||||
# define MAD_F(x) mad_f_todouble(x)
|
||||
|
||||
# define mad_f_mul(x, y) ((x) * (y))
|
||||
# define mad_f_scale64
|
||||
|
||||
# undef ASO_ZEROCHECK
|
||||
|
||||
# elif defined(FPM_64BIT)
|
||||
|
||||
/*
|
||||
* This version should be the most accurate if 64-bit types are supported by
|
||||
* the compiler, although it may not be the most efficient.
|
||||
*/
|
||||
# if defined(OPT_ACCURACY)
|
||||
# define mad_f_mul(x, y) \
|
||||
((mad_fixed_t) \
|
||||
((((mad_fixed64_t) (x) * (y)) + \
|
||||
(1L << (MAD_F_SCALEBITS - 1))) >> MAD_F_SCALEBITS))
|
||||
# else
|
||||
# define mad_f_mul(x, y) \
|
||||
((mad_fixed_t) (((mad_fixed64_t) (x) * (y)) >> MAD_F_SCALEBITS))
|
||||
# endif
|
||||
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
|
||||
/* --- Intel --------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_INTEL)
|
||||
|
||||
# if defined(_MSC_VER)
|
||||
# pragma warning(push)
|
||||
# pragma warning(disable: 4035) /* no return value */
|
||||
static __forceinline
|
||||
mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
|
||||
{
|
||||
enum {
|
||||
fracbits = MAD_F_FRACBITS
|
||||
};
|
||||
|
||||
__asm {
|
||||
mov eax, x
|
||||
imul y
|
||||
shrd eax, edx, fracbits
|
||||
}
|
||||
|
||||
/* implicit return of eax */
|
||||
}
|
||||
# pragma warning(pop)
|
||||
|
||||
# define mad_f_mul mad_f_mul_inline
|
||||
# define mad_f_scale64
|
||||
# else
|
||||
/*
|
||||
* This Intel version is fast and accurate; the disposition of the least
|
||||
* significant bit depends on OPT_ACCURACY via mad_f_scale64().
|
||||
*/
|
||||
# define MAD_F_MLX(hi, lo, x, y) \
|
||||
asm ("imull %3" \
|
||||
: "=a" (lo), "=d" (hi) \
|
||||
: "%a" (x), "rm" (y) \
|
||||
: "cc")
|
||||
|
||||
# if defined(OPT_ACCURACY)
|
||||
/*
|
||||
* This gives best accuracy but is not very fast.
|
||||
*/
|
||||
# define MAD_F_MLA(hi, lo, x, y) \
|
||||
({ mad_fixed64hi_t __hi; \
|
||||
mad_fixed64lo_t __lo; \
|
||||
MAD_F_MLX(__hi, __lo, (x), (y)); \
|
||||
asm ("addl %2,%0\n\t" \
|
||||
"adcl %3,%1" \
|
||||
: "=rm" (lo), "=rm" (hi) \
|
||||
: "r" (__lo), "r" (__hi), "0" (lo), "1" (hi) \
|
||||
: "cc"); \
|
||||
})
|
||||
# endif /* OPT_ACCURACY */
|
||||
|
||||
# if defined(OPT_ACCURACY)
|
||||
/*
|
||||
* Surprisingly, this is faster than SHRD followed by ADC.
|
||||
*/
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed64hi_t __hi_; \
|
||||
mad_fixed64lo_t __lo_; \
|
||||
mad_fixed_t __result; \
|
||||
asm ("addl %4,%2\n\t" \
|
||||
"adcl %5,%3" \
|
||||
: "=rm" (__lo_), "=rm" (__hi_) \
|
||||
: "0" (lo), "1" (hi), \
|
||||
"ir" (1L << (MAD_F_SCALEBITS - 1)), "ir" (0) \
|
||||
: "cc"); \
|
||||
asm ("shrdl %3,%2,%1" \
|
||||
: "=rm" (__result) \
|
||||
: "0" (__lo_), "r" (__hi_), "I" (MAD_F_SCALEBITS) \
|
||||
: "cc"); \
|
||||
__result; \
|
||||
})
|
||||
# elif defined(OPT_INTEL)
|
||||
/*
|
||||
* Alternate Intel scaling that may or may not perform better.
|
||||
*/
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed_t __result; \
|
||||
asm ("shrl %3,%1\n\t" \
|
||||
"shll %4,%2\n\t" \
|
||||
"orl %2,%1" \
|
||||
: "=rm" (__result) \
|
||||
: "0" (lo), "r" (hi), \
|
||||
"I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS) \
|
||||
: "cc"); \
|
||||
__result; \
|
||||
})
|
||||
# else
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed_t __result; \
|
||||
asm ("shrdl %3,%2,%1" \
|
||||
: "=rm" (__result) \
|
||||
: "0" (lo), "r" (hi), "I" (MAD_F_SCALEBITS) \
|
||||
: "cc"); \
|
||||
__result; \
|
||||
})
|
||||
# endif /* OPT_ACCURACY */
|
||||
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
# endif
|
||||
|
||||
/* --- ARM ----------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_ARM)
|
||||
|
||||
/*
|
||||
* This ARM V4 version is as accurate as FPM_64BIT but much faster. The
|
||||
* least significant bit is properly rounded at no CPU cycle cost!
|
||||
*/
|
||||
# if 1
|
||||
/*
|
||||
* This is faster than the default implementation via MAD_F_MLX() and
|
||||
* mad_f_scale64().
|
||||
*/
|
||||
# define mad_f_mul(x, y) \
|
||||
({ mad_fixed64hi_t __hi; \
|
||||
mad_fixed64lo_t __lo; \
|
||||
mad_fixed_t __result; \
|
||||
asm ("smull %0, %1, %3, %4\n\t" \
|
||||
"movs %0, %0, lsr %5\n\t" \
|
||||
"adc %2, %0, %1, lsl %6" \
|
||||
: "=&r" (__lo), "=&r" (__hi), "=r" (__result) \
|
||||
: "%r" (x), "r" (y), \
|
||||
"M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \
|
||||
: "cc"); \
|
||||
__result; \
|
||||
})
|
||||
# endif
|
||||
|
||||
# define MAD_F_MLX(hi, lo, x, y) \
|
||||
asm ("smull %0, %1, %2, %3" \
|
||||
: "=&r" (lo), "=&r" (hi) \
|
||||
: "%r" (x), "r" (y))
|
||||
|
||||
# define MAD_F_MLA(hi, lo, x, y) \
|
||||
asm ("smlal %0, %1, %2, %3" \
|
||||
: "+r" (lo), "+r" (hi) \
|
||||
: "%r" (x), "r" (y))
|
||||
|
||||
# define MAD_F_MLN(hi, lo) \
|
||||
asm ("rsbs %0, %2, #0\n\t" \
|
||||
"rsc %1, %3, #0" \
|
||||
: "=r" (lo), "=r" (hi) \
|
||||
: "0" (lo), "1" (hi) \
|
||||
: "cc")
|
||||
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed_t __result; \
|
||||
asm ("movs %0, %1, lsr %3\n\t" \
|
||||
"adc %0, %0, %2, lsl %4" \
|
||||
: "=&r" (__result) \
|
||||
: "r" (lo), "r" (hi), \
|
||||
"M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \
|
||||
: "cc"); \
|
||||
__result; \
|
||||
})
|
||||
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
|
||||
/* --- MIPS ---------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_MIPS)
|
||||
|
||||
/*
|
||||
* This MIPS version is fast and accurate; the disposition of the least
|
||||
* significant bit depends on OPT_ACCURACY via mad_f_scale64().
|
||||
*/
|
||||
# define MAD_F_MLX(hi, lo, x, y) \
|
||||
asm ("mult %2,%3" \
|
||||
: "=l" (lo), "=h" (hi) \
|
||||
: "%r" (x), "r" (y))
|
||||
|
||||
# if defined(HAVE_MADD_ASM)
|
||||
# define MAD_F_MLA(hi, lo, x, y) \
|
||||
asm ("madd %2,%3" \
|
||||
: "+l" (lo), "+h" (hi) \
|
||||
: "%r" (x), "r" (y))
|
||||
# elif defined(HAVE_MADD16_ASM)
|
||||
/*
|
||||
* This loses significant accuracy due to the 16-bit integer limit in the
|
||||
* multiply/accumulate instruction.
|
||||
*/
|
||||
# define MAD_F_ML0(hi, lo, x, y) \
|
||||
asm ("mult %2,%3" \
|
||||
: "=l" (lo), "=h" (hi) \
|
||||
: "%r" ((x) >> 12), "r" ((y) >> 16))
|
||||
# define MAD_F_MLA(hi, lo, x, y) \
|
||||
asm ("madd16 %2,%3" \
|
||||
: "+l" (lo), "+h" (hi) \
|
||||
: "%r" ((x) >> 12), "r" ((y) >> 16))
|
||||
# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo))
|
||||
# endif
|
||||
|
||||
# if defined(OPT_SPEED)
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
((mad_fixed_t) ((hi) << (32 - MAD_F_SCALEBITS)))
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
# endif
|
||||
|
||||
/* --- SPARC --------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_SPARC)
|
||||
|
||||
/*
|
||||
* This SPARC V8 version is fast and accurate; the disposition of the least
|
||||
* significant bit depends on OPT_ACCURACY via mad_f_scale64().
|
||||
*/
|
||||
# define MAD_F_MLX(hi, lo, x, y) \
|
||||
asm ("smul %2, %3, %0\n\t" \
|
||||
"rd %%y, %1" \
|
||||
: "=r" (lo), "=r" (hi) \
|
||||
: "%r" (x), "rI" (y))
|
||||
|
||||
/* --- PowerPC ------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_PPC)
|
||||
|
||||
/*
|
||||
* This PowerPC version is fast and accurate; the disposition of the least
|
||||
* significant bit depends on OPT_ACCURACY via mad_f_scale64().
|
||||
*/
|
||||
# define MAD_F_MLX(hi, lo, x, y) \
|
||||
do { \
|
||||
asm ("mullw %0,%1,%2" \
|
||||
: "=r" (lo) \
|
||||
: "%r" (x), "r" (y)); \
|
||||
asm ("mulhw %0,%1,%2" \
|
||||
: "=r" (hi) \
|
||||
: "%r" (x), "r" (y)); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
# if defined(OPT_ACCURACY)
|
||||
/*
|
||||
* This gives best accuracy but is not very fast.
|
||||
*/
|
||||
# define MAD_F_MLA(hi, lo, x, y) \
|
||||
({ mad_fixed64hi_t __hi; \
|
||||
mad_fixed64lo_t __lo; \
|
||||
MAD_F_MLX(__hi, __lo, (x), (y)); \
|
||||
asm ("addc %0,%2,%3\n\t" \
|
||||
"adde %1,%4,%5" \
|
||||
: "=r" (lo), "=r" (hi) \
|
||||
: "%r" (lo), "r" (__lo), \
|
||||
"%r" (hi), "r" (__hi) \
|
||||
: "xer"); \
|
||||
})
|
||||
# endif
|
||||
|
||||
# if defined(OPT_ACCURACY)
|
||||
/*
|
||||
* This is slower than the truncating version below it.
|
||||
*/
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed_t __result, __round; \
|
||||
asm ("rotrwi %0,%1,%2" \
|
||||
: "=r" (__result) \
|
||||
: "r" (lo), "i" (MAD_F_SCALEBITS)); \
|
||||
asm ("extrwi %0,%1,1,0" \
|
||||
: "=r" (__round) \
|
||||
: "r" (__result)); \
|
||||
asm ("insrwi %0,%1,%2,0" \
|
||||
: "+r" (__result) \
|
||||
: "r" (hi), "i" (MAD_F_SCALEBITS)); \
|
||||
asm ("add %0,%1,%2" \
|
||||
: "=r" (__result) \
|
||||
: "%r" (__result), "r" (__round)); \
|
||||
__result; \
|
||||
})
|
||||
# else
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
({ mad_fixed_t __result; \
|
||||
asm ("rotrwi %0,%1,%2" \
|
||||
: "=r" (__result) \
|
||||
: "r" (lo), "i" (MAD_F_SCALEBITS)); \
|
||||
asm ("insrwi %0,%1,%2,0" \
|
||||
: "+r" (__result) \
|
||||
: "r" (hi), "i" (MAD_F_SCALEBITS)); \
|
||||
__result; \
|
||||
})
|
||||
# endif
|
||||
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
|
||||
/* --- Default ------------------------------------------------------------- */
|
||||
|
||||
# elif defined(FPM_DEFAULT)
|
||||
|
||||
/*
|
||||
* This version is the most portable but it loses significant accuracy.
|
||||
* Furthermore, accuracy is biased against the second argument, so care
|
||||
* should be taken when ordering operands.
|
||||
*
|
||||
* The scale factors are constant as this is not used with SSO.
|
||||
*
|
||||
* Pre-rounding is required to stay within the limits of compliance.
|
||||
*/
|
||||
# if defined(OPT_SPEED)
|
||||
# define mad_f_mul(x, y) (((x) >> 12) * ((y) >> 16))
|
||||
# else
|
||||
# define mad_f_mul(x, y) ((((x) + (1L << 11)) >> 12) * \
|
||||
(((y) + (1L << 15)) >> 16))
|
||||
# endif
|
||||
|
||||
/* ------------------------------------------------------------------------- */
|
||||
|
||||
# else
|
||||
# error "no FPM selected"
|
||||
# endif
|
||||
|
||||
/* default implementations */
|
||||
|
||||
# if !defined(mad_f_mul)
|
||||
# define mad_f_mul(x, y) \
|
||||
({ register mad_fixed64hi_t __hi; \
|
||||
register mad_fixed64lo_t __lo; \
|
||||
MAD_F_MLX(__hi, __lo, (x), (y)); \
|
||||
mad_f_scale64(__hi, __lo); \
|
||||
})
|
||||
# endif
|
||||
|
||||
# if !defined(MAD_F_MLA)
|
||||
# define MAD_F_ML0(hi, lo, x, y) ((lo) = mad_f_mul((x), (y)))
|
||||
# define MAD_F_MLA(hi, lo, x, y) ((lo) += mad_f_mul((x), (y)))
|
||||
# define MAD_F_MLN(hi, lo) ((lo) = -(lo))
|
||||
# define MAD_F_MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo))
|
||||
# endif
|
||||
|
||||
# if !defined(MAD_F_ML0)
|
||||
# define MAD_F_ML0(hi, lo, x, y) MAD_F_MLX((hi), (lo), (x), (y))
|
||||
# endif
|
||||
|
||||
# if !defined(MAD_F_MLN)
|
||||
# define MAD_F_MLN(hi, lo) ((hi) = ((lo) = -(lo)) ? ~(hi) : -(hi))
|
||||
# endif
|
||||
|
||||
# if !defined(MAD_F_MLZ)
|
||||
# define MAD_F_MLZ(hi, lo) mad_f_scale64((hi), (lo))
|
||||
# endif
|
||||
|
||||
# if !defined(mad_f_scale64)
|
||||
# if defined(OPT_ACCURACY)
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
((((mad_fixed_t) \
|
||||
(((hi) << (32 - (MAD_F_SCALEBITS - 1))) | \
|
||||
((lo) >> (MAD_F_SCALEBITS - 1)))) + 1) >> 1)
|
||||
# else
|
||||
# define mad_f_scale64(hi, lo) \
|
||||
((mad_fixed_t) \
|
||||
(((hi) << (32 - MAD_F_SCALEBITS)) | \
|
||||
((lo) >> MAD_F_SCALEBITS)))
|
||||
# endif
|
||||
# define MAD_F_SCALEBITS MAD_F_FRACBITS
|
||||
# endif
|
||||
|
||||
/* C routines */
|
||||
|
||||
mad_fixed_t mad_f_abs(mad_fixed_t);
|
||||
mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_BIT_H
|
||||
# define LIBMAD_BIT_H
|
||||
|
||||
struct mad_bitptr {
|
||||
unsigned char const *byte;
|
||||
unsigned short cache;
|
||||
unsigned short left;
|
||||
};
|
||||
|
||||
void mad_bit_init(struct mad_bitptr *, unsigned char const *);
|
||||
|
||||
# define mad_bit_finish(bitptr) /* nothing */
|
||||
|
||||
unsigned int mad_bit_length(struct mad_bitptr const *,
|
||||
struct mad_bitptr const *);
|
||||
|
||||
# define mad_bit_bitsleft(bitptr) ((bitptr)->left)
|
||||
unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *);
|
||||
|
||||
void mad_bit_skip(struct mad_bitptr *, unsigned int);
|
||||
unsigned long mad_bit_read(struct mad_bitptr *, unsigned int);
|
||||
void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long);
|
||||
|
||||
unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: timer.h,v 1.16 2004/01/23 09:41:33 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_TIMER_H
|
||||
# define LIBMAD_TIMER_H
|
||||
|
||||
typedef struct {
|
||||
signed long seconds; /* whole seconds */
|
||||
unsigned long fraction; /* 1/MAD_TIMER_RESOLUTION seconds */
|
||||
} mad_timer_t;
|
||||
|
||||
extern mad_timer_t const mad_timer_zero;
|
||||
|
||||
# define MAD_TIMER_RESOLUTION 352800000UL
|
||||
|
||||
enum mad_units {
|
||||
MAD_UNITS_HOURS = -2,
|
||||
MAD_UNITS_MINUTES = -1,
|
||||
MAD_UNITS_SECONDS = 0,
|
||||
|
||||
/* metric units */
|
||||
|
||||
MAD_UNITS_DECISECONDS = 10,
|
||||
MAD_UNITS_CENTISECONDS = 100,
|
||||
MAD_UNITS_MILLISECONDS = 1000,
|
||||
|
||||
/* audio sample units */
|
||||
|
||||
MAD_UNITS_8000_HZ = 8000,
|
||||
MAD_UNITS_11025_HZ = 11025,
|
||||
MAD_UNITS_12000_HZ = 12000,
|
||||
|
||||
MAD_UNITS_16000_HZ = 16000,
|
||||
MAD_UNITS_22050_HZ = 22050,
|
||||
MAD_UNITS_24000_HZ = 24000,
|
||||
|
||||
MAD_UNITS_32000_HZ = 32000,
|
||||
MAD_UNITS_44100_HZ = 44100,
|
||||
MAD_UNITS_48000_HZ = 48000,
|
||||
|
||||
/* video frame/field units */
|
||||
|
||||
MAD_UNITS_24_FPS = 24,
|
||||
MAD_UNITS_25_FPS = 25,
|
||||
MAD_UNITS_30_FPS = 30,
|
||||
MAD_UNITS_48_FPS = 48,
|
||||
MAD_UNITS_50_FPS = 50,
|
||||
MAD_UNITS_60_FPS = 60,
|
||||
|
||||
/* CD audio frames */
|
||||
|
||||
MAD_UNITS_75_FPS = 75,
|
||||
|
||||
/* video drop-frame units */
|
||||
|
||||
MAD_UNITS_23_976_FPS = -24,
|
||||
MAD_UNITS_24_975_FPS = -25,
|
||||
MAD_UNITS_29_97_FPS = -30,
|
||||
MAD_UNITS_47_952_FPS = -48,
|
||||
MAD_UNITS_49_95_FPS = -50,
|
||||
MAD_UNITS_59_94_FPS = -60
|
||||
};
|
||||
|
||||
# define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero))
|
||||
|
||||
int mad_timer_compare(mad_timer_t, mad_timer_t);
|
||||
|
||||
# define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero)
|
||||
|
||||
void mad_timer_negate(mad_timer_t *);
|
||||
mad_timer_t mad_timer_abs(mad_timer_t);
|
||||
|
||||
void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long);
|
||||
void mad_timer_add(mad_timer_t *, mad_timer_t);
|
||||
void mad_timer_multiply(mad_timer_t *, signed long);
|
||||
|
||||
signed long mad_timer_count(mad_timer_t, enum mad_units);
|
||||
unsigned long mad_timer_fraction(mad_timer_t, unsigned long);
|
||||
void mad_timer_string(mad_timer_t, char *, char const *,
|
||||
enum mad_units, enum mad_units, unsigned long);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_STREAM_H
|
||||
# define LIBMAD_STREAM_H
|
||||
|
||||
|
||||
# define MAD_BUFFER_GUARD 8
|
||||
# define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD)
|
||||
|
||||
enum mad_error {
|
||||
MAD_ERROR_NONE = 0x0000, /* no error */
|
||||
|
||||
MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */
|
||||
MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */
|
||||
|
||||
MAD_ERROR_NOMEM = 0x0031, /* not enough memory */
|
||||
|
||||
MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */
|
||||
MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */
|
||||
MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */
|
||||
MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */
|
||||
MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */
|
||||
|
||||
MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */
|
||||
MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */
|
||||
MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */
|
||||
MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */
|
||||
MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */
|
||||
MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */
|
||||
MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */
|
||||
MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */
|
||||
MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */
|
||||
MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */
|
||||
MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */
|
||||
MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */
|
||||
MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */
|
||||
};
|
||||
|
||||
# define MAD_RECOVERABLE(error) ((error) & 0xff00)
|
||||
|
||||
struct mad_stream {
|
||||
unsigned char const *buffer; /* input bitstream buffer */
|
||||
unsigned char const *bufend; /* end of buffer */
|
||||
unsigned long skiplen; /* bytes to skip before next frame */
|
||||
|
||||
int sync; /* stream sync found */
|
||||
unsigned long freerate; /* free bitrate (fixed) */
|
||||
|
||||
unsigned char const *this_frame; /* start of current frame */
|
||||
unsigned char const *next_frame; /* start of next frame */
|
||||
struct mad_bitptr ptr; /* current processing bit pointer */
|
||||
|
||||
struct mad_bitptr anc_ptr; /* ancillary bits pointer */
|
||||
unsigned int anc_bitlen; /* number of ancillary bits */
|
||||
|
||||
unsigned char (*main_data)[MAD_BUFFER_MDLEN];
|
||||
/* Layer III main_data() */
|
||||
unsigned int md_len; /* bytes in main_data */
|
||||
|
||||
int options; /* decoding options (see below) */
|
||||
enum mad_error error; /* error code (see above) */
|
||||
};
|
||||
|
||||
enum {
|
||||
MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */
|
||||
MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */
|
||||
# if 0 /* not yet implemented */
|
||||
MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */
|
||||
MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */
|
||||
MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */
|
||||
# endif
|
||||
};
|
||||
|
||||
void mad_stream_init(struct mad_stream *);
|
||||
void mad_stream_finish(struct mad_stream *);
|
||||
|
||||
# define mad_stream_options(stream, opts) \
|
||||
((void) ((stream)->options = (opts)))
|
||||
|
||||
void mad_stream_buffer(struct mad_stream *,
|
||||
unsigned char const *, unsigned long);
|
||||
void mad_stream_skip(struct mad_stream *, unsigned long);
|
||||
|
||||
int mad_stream_sync(struct mad_stream *);
|
||||
|
||||
char const *mad_stream_errorstr(struct mad_stream const *);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_FRAME_H
|
||||
# define LIBMAD_FRAME_H
|
||||
|
||||
|
||||
enum mad_layer {
|
||||
MAD_LAYER_I = 1, /* Layer I */
|
||||
MAD_LAYER_II = 2, /* Layer II */
|
||||
MAD_LAYER_III = 3 /* Layer III */
|
||||
};
|
||||
|
||||
enum mad_mode {
|
||||
MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */
|
||||
MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */
|
||||
MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */
|
||||
MAD_MODE_STEREO = 3 /* normal LR stereo */
|
||||
};
|
||||
|
||||
enum mad_emphasis {
|
||||
MAD_EMPHASIS_NONE = 0, /* no emphasis */
|
||||
MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */
|
||||
MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */
|
||||
MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */
|
||||
};
|
||||
|
||||
struct mad_header {
|
||||
enum mad_layer layer; /* audio layer (1, 2, or 3) */
|
||||
enum mad_mode mode; /* channel mode (see above) */
|
||||
int mode_extension; /* additional mode info */
|
||||
enum mad_emphasis emphasis; /* de-emphasis to use (see above) */
|
||||
|
||||
unsigned long bitrate; /* stream bitrate (bps) */
|
||||
unsigned int samplerate; /* sampling frequency (Hz) */
|
||||
|
||||
unsigned short crc_check; /* frame CRC accumulator */
|
||||
unsigned short crc_target; /* final target CRC checksum */
|
||||
|
||||
int flags; /* flags (see below) */
|
||||
int private_bits; /* private bits (see below) */
|
||||
|
||||
mad_timer_t duration; /* audio playing time of frame */
|
||||
};
|
||||
|
||||
struct mad_frame {
|
||||
struct mad_header header; /* MPEG audio header */
|
||||
|
||||
int options; /* decoding options (from stream) */
|
||||
|
||||
mad_fixed_t sbsample[2][36][32]; /* synthesis subband filter samples */
|
||||
mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */
|
||||
};
|
||||
|
||||
# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1)
|
||||
# define MAD_NSBSAMPLES(header) \
|
||||
((header)->layer == MAD_LAYER_I ? 12 : \
|
||||
(((header)->layer == MAD_LAYER_III && \
|
||||
((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36))
|
||||
|
||||
enum {
|
||||
MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */
|
||||
MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */
|
||||
|
||||
MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */
|
||||
MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */
|
||||
MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */
|
||||
MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */
|
||||
|
||||
MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */
|
||||
MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */
|
||||
MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */
|
||||
|
||||
MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */
|
||||
MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */
|
||||
MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */
|
||||
};
|
||||
|
||||
enum {
|
||||
MAD_PRIVATE_HEADER = 0x0100, /* header private bit */
|
||||
MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */
|
||||
};
|
||||
|
||||
void mad_header_init(struct mad_header *);
|
||||
|
||||
# define mad_header_finish(header) /* nothing */
|
||||
|
||||
int mad_header_decode(struct mad_header *, struct mad_stream *);
|
||||
|
||||
void mad_frame_init(struct mad_frame *);
|
||||
void mad_frame_finish(struct mad_frame *);
|
||||
|
||||
int mad_frame_decode(struct mad_frame *, struct mad_stream *);
|
||||
|
||||
void mad_frame_mute(struct mad_frame *);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_SYNTH_H
|
||||
# define LIBMAD_SYNTH_H
|
||||
|
||||
|
||||
struct mad_pcm {
|
||||
unsigned int samplerate; /* sampling frequency (Hz) */
|
||||
unsigned short channels; /* number of channels */
|
||||
unsigned short length; /* number of samples per channel */
|
||||
mad_fixed_t samples[2][1152]; /* PCM output samples [ch][sample] */
|
||||
};
|
||||
|
||||
struct mad_synth {
|
||||
mad_fixed_t filter[2][2][2][16][8]; /* polyphase filterbank outputs */
|
||||
/* [ch][eo][peo][s][v] */
|
||||
|
||||
unsigned int phase; /* current processing phase */
|
||||
|
||||
struct mad_pcm pcm; /* PCM output */
|
||||
};
|
||||
|
||||
/* single channel PCM selector */
|
||||
enum {
|
||||
MAD_PCM_CHANNEL_SINGLE = 0
|
||||
};
|
||||
|
||||
/* dual channel PCM selector */
|
||||
enum {
|
||||
MAD_PCM_CHANNEL_DUAL_1 = 0,
|
||||
MAD_PCM_CHANNEL_DUAL_2 = 1
|
||||
};
|
||||
|
||||
/* stereo PCM selector */
|
||||
enum {
|
||||
MAD_PCM_CHANNEL_STEREO_LEFT = 0,
|
||||
MAD_PCM_CHANNEL_STEREO_RIGHT = 1
|
||||
};
|
||||
|
||||
void mad_synth_init(struct mad_synth *);
|
||||
|
||||
# define mad_synth_finish(synth) /* nothing */
|
||||
|
||||
void mad_synth_mute(struct mad_synth *);
|
||||
|
||||
void mad_synth_frame(struct mad_synth *, struct mad_frame const *);
|
||||
|
||||
# endif
|
||||
|
||||
/* Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp */
|
||||
|
||||
# ifndef LIBMAD_DECODER_H
|
||||
# define LIBMAD_DECODER_H
|
||||
|
||||
|
||||
enum mad_decoder_mode {
|
||||
MAD_DECODER_MODE_SYNC = 0,
|
||||
MAD_DECODER_MODE_ASYNC
|
||||
};
|
||||
|
||||
enum mad_flow {
|
||||
MAD_FLOW_CONTINUE = 0x0000, /* continue normally */
|
||||
MAD_FLOW_STOP = 0x0010, /* stop decoding normally */
|
||||
MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */
|
||||
MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */
|
||||
};
|
||||
|
||||
struct mad_decoder {
|
||||
enum mad_decoder_mode mode;
|
||||
|
||||
int options;
|
||||
|
||||
struct {
|
||||
long pid;
|
||||
int in;
|
||||
int out;
|
||||
} async;
|
||||
|
||||
struct {
|
||||
struct mad_stream stream;
|
||||
struct mad_frame frame;
|
||||
struct mad_synth synth;
|
||||
} *sync;
|
||||
|
||||
void *cb_data;
|
||||
|
||||
enum mad_flow (*input_func)(void *, struct mad_stream *);
|
||||
enum mad_flow (*header_func)(void *, struct mad_header const *);
|
||||
enum mad_flow (*filter_func)(void *,
|
||||
struct mad_stream const *, struct mad_frame *);
|
||||
enum mad_flow (*output_func)(void *,
|
||||
struct mad_header const *, struct mad_pcm *);
|
||||
enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
|
||||
enum mad_flow (*message_func)(void *, void *, unsigned int *);
|
||||
};
|
||||
|
||||
void mad_decoder_init(struct mad_decoder *, void *,
|
||||
enum mad_flow (*)(void *, struct mad_stream *),
|
||||
enum mad_flow (*)(void *, struct mad_header const *),
|
||||
enum mad_flow (*)(void *,
|
||||
struct mad_stream const *,
|
||||
struct mad_frame *),
|
||||
enum mad_flow (*)(void *,
|
||||
struct mad_header const *,
|
||||
struct mad_pcm *),
|
||||
enum mad_flow (*)(void *,
|
||||
struct mad_stream *,
|
||||
struct mad_frame *),
|
||||
enum mad_flow (*)(void *, void *, unsigned int *));
|
||||
int mad_decoder_finish(struct mad_decoder *);
|
||||
|
||||
# define mad_decoder_options(decoder, opts) \
|
||||
((void) ((decoder)->options = (opts)))
|
||||
|
||||
int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
|
||||
int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);
|
||||
|
||||
# endif
|
||||
|
||||
# ifdef __cplusplus
|
||||
}
|
||||
# endif
|
||||
File diff suppressed because one or more lines are too long
Binary file not shown.
@ -40,6 +40,7 @@
|
||||
window.subscribeForeignController = window.lorgar.subscribeForeignController.bind(window.lorgar);
|
||||
window.unsubscribeForeignController = window.lorgar.unsubscribeForeignController.bind(window.lorgar);
|
||||
window.play = window.lorgar.play.bind(window.lorgar);
|
||||
window.scheduleToPlay = window.lorgar.scheduleToPlay.bind(window.lorgar);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -27,6 +27,7 @@
|
||||
W.extend(base, options);
|
||||
Layout.fn.constructor.call(this, controller, options);
|
||||
|
||||
this._aCount = 0;
|
||||
this._initProxy();
|
||||
this.addClass("hoverable");
|
||||
this._e.addEventListener("click", this._proxy.onClick, false);
|
||||
@ -65,8 +66,29 @@
|
||||
Layout.fn.destructor.call(this);
|
||||
},
|
||||
"_onAddAction": function(model) {
|
||||
var alignment;
|
||||
switch (this._aCount) {
|
||||
case 0:
|
||||
alignment = Layout.Aligment.LeftTop;
|
||||
break;
|
||||
case 1:
|
||||
alignment = Layout.Aligment.RightTop;
|
||||
break;
|
||||
case 2:
|
||||
alignment = Layout.Aligment.RightBottom;
|
||||
break;
|
||||
case 3:
|
||||
alignment = Layout.Aligment.LeftBottom;
|
||||
break;
|
||||
default:
|
||||
console.warn("Pane can't place more then 4 action, ignoring");
|
||||
break
|
||||
}
|
||||
if (alignment !== undefined) {
|
||||
var view = new Button(model);
|
||||
this.append(view, Layout.Aligment.LeftTop)
|
||||
this.append(view, alignment);
|
||||
this._aCount++;
|
||||
}
|
||||
},
|
||||
"_applyProperties": function() {
|
||||
this._onAddProperty("secondaryColor", "background");
|
||||
|
||||
@ -40,6 +40,8 @@
|
||||
if (this._seeking) {
|
||||
window.removeEventListener("mouseup", this._proxy.onMouseUp);
|
||||
window.removeEventListener("mousemove", this._proxy.onMouseMove);
|
||||
lorgar._body.removeClass("dragging");
|
||||
lorgar._body.removeClass("non-selectable");
|
||||
}
|
||||
if (this._f.enabled) {
|
||||
this._e.removeEventListener("mousedown", this._proxy.onMouseDown);
|
||||
@ -94,6 +96,8 @@
|
||||
if (e.which === 1) {
|
||||
window.addEventListener("mouseup", this._proxy.onMouseUp);
|
||||
window.addEventListener("mousemove", this._proxy.onMouseMove);
|
||||
lorgar._body.addClass("dragging");
|
||||
lorgar._body.addClass("non-selectable");
|
||||
this._seeking = true;
|
||||
|
||||
this._ap = this.getAbsolutePosition();
|
||||
@ -120,6 +124,7 @@
|
||||
this._seeking = false;
|
||||
window.removeEventListener("mouseup", this._proxy.onMouseUp);
|
||||
window.removeEventListener("mousemove", this._proxy.onMouseMove);
|
||||
lorgar._body.removeClass("dragging");
|
||||
},
|
||||
_onValue: function(pb) {
|
||||
this._value.style.width = pb * 100 + "%";
|
||||
|
||||
@ -52,6 +52,10 @@ var AlbumPage = TempPage.inherit({
|
||||
[{
|
||||
type: 0,
|
||||
action: "play"
|
||||
},
|
||||
{
|
||||
type: 0,
|
||||
action: "scheduledToPlay"
|
||||
}]
|
||||
);
|
||||
var PaneClass = PaneModel.Songs;
|
||||
|
||||
@ -47,6 +47,10 @@ var ArtistPage = TempPage.inherit({
|
||||
[{
|
||||
type: 0,
|
||||
action: "play"
|
||||
},
|
||||
{
|
||||
type: 0,
|
||||
action: "scheduledToPlay"
|
||||
}]
|
||||
);
|
||||
var PaneClass = PaneModel.Songs;
|
||||
|
||||
@ -148,6 +148,10 @@ var MusicPage = Page.inherit({
|
||||
[{
|
||||
type: 0,
|
||||
action: "play"
|
||||
},
|
||||
{
|
||||
type: 0,
|
||||
action: "scheduledToPlay"
|
||||
}]
|
||||
);
|
||||
this._songsLink = new Link(this._address["+"](new Address(["songsLink"])), "Songs", this._addresses.songs.local.clone());
|
||||
|
||||
Loading…
Reference in New Issue
Block a user