XBool XAudioStream::getAFrame() //从流中提取一帧数据
{
if(!m_isLoaded) return XFalse;
av_free_packet(&m_dataPacket); //释放上一次获得的数据
av_init_packet(&m_dataPacket);
if(av_read_frame(m_pFormatCtx,&m_dataPacket) == 0)
{//这里见音频数据解码
m_pFrame = av_frame_alloc();
int isFinished;
if(avcodec_decode_audio4(m_pAudioCodecCtx,m_pFrame,&isFinished,&m_dataPacket) < 0) return XFalse;
if(isFinished)
{
uint8_t *out[] = {m_audioBuf};
int outSize = ((AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2) / m_frameDataSum;
m_dataLen = swr_convert(m_pSwrContext,out,outSize,(const uint8_t **)m_pFrame->extended_data,m_pFrame->nb_samples);
m_dataLen = m_dataLen * m_frameDataSum;
av_frame_free(&m_pFrame);
return XTrue;//解码成功
}
av_frame_free(&m_pFrame);
}else
{
gotoFrame(0.0f); //跳到头
LogStr("File end!");
return XFalse;
}
return XFalse;
}
void ActionTimeline::gotoFrameAndPause(int startIndex)
{
_startFrame = _currentFrame = startIndex;
_time = _currentFrame * _frameInternal;
pause();
gotoFrame(_currentFrame);
}
void ActionTimeline::gotoFrameAndPlay(int startIndex, int endIndex, int currentFrameIndex, bool loop)
{
_startFrame = startIndex;
_endFrame = endIndex;
_currentFrame = currentFrameIndex;
_loop = loop;
_time = _currentFrame*_frameInternal;
resume();
gotoFrame(_currentFrame);
}
void Hero::onSpellCasted(GameEventPointer e, EventDispatcher* dispatcher) {
if (m_spell) {
gotoFrame(0);
dispatchEvent(e, dispatcher);
if (m_spell->parent()) {
m_spell->parent()->removeChild(m_spell);
}
m_spell = NULL;
}
}
void Hero::onEvent(const Event& e) {
if (e.event_type == EventType::MouseDown) {
int x = floor((e.mouse_data.x - m_parent->x()) / m_context.TILE_SIZE);
int y = floor((e.mouse_data.y - m_parent->y()) / m_context.TILE_SIZE);
if (m_state == State::Spell && m_spell) {
m_spell->addEventListener(ET::spell, this, static_cast<Listener>(&Hero::onSpellCasted));
m_spell->cast(point(m_x / m_context.TILE_SIZE, m_y / m_context.TILE_SIZE), point(x, y));
m_state = State::Stand;
gotoFrame(1, 1);
}
}
else if (e.event_type == EventType::MouseMoved) {
int x = floor((e.mouse_data.x - m_parent->x()) / m_context.TILE_SIZE);
int y = floor((e.mouse_data.y - m_parent->y()) / m_context.TILE_SIZE);
if (m_state == State::Stand) {
drawPath(x, y);
}
if (m_state == State::Spell) {
m_spell->onEvent(e);
}
}
}
int gotoMsec(unsigned long msec) {
int ret;
ret = gotoFrame(framesFromMSec(msec));
return ret;
}
//--------------------------------------------------------------
bool Sprite::processOscMessage(const ofxOscMessage& message) {
// call the base class
if(DrawableObject::processOscMessage(message)) {
return true;
}
if(message.getAddress() == oscRootAddress + "/position") {
tryNumber(message, pos.x, 0);
tryNumber(message, pos.y, 1);
return true;
}
else if(message.getAddress() == oscRootAddress + "/position/x") {
tryNumber(message, pos.x, 0);
return true;
}
else if(message.getAddress() == oscRootAddress + "/position/y") {
tryNumber(message, pos.y, 0);
return true;
}
else if(message.getAddress() == oscRootAddress + "/size") {
tryNumber(message, width, 0);
tryNumber(message, height, 1);
resizeIfNecessary();
return true;
}
else if(message.getAddress() == oscRootAddress + "/size/width") {
tryNumber(message, width, 0);
resizeIfNecessary();
return true;
}
else if(message.getAddress() == oscRootAddress + "/size/height") {
tryNumber(message, height, 0);
resizeIfNecessary();
return true;
}
else if(message.getAddress() == oscRootAddress + "/frame") {
unsigned int frame = 0;
tryNumber(message, frame, 0);
gotoFrame(frame);
return true;
}
else if(message.getAddress() == oscRootAddress + "/animate") {
tryBool(message, bAnimate, 0);
return true;
}
else if(message.getAddress() == oscRootAddress + "/loop") {
tryBool(message, bLoop, 0);
return true;
}
else if(message.getAddress() == oscRootAddress + "/pingpong") {
tryBool(message, bPingPong, 0);
return true;
}
else if(message.getAddress() == oscRootAddress + "/center") {
bool b = bDrawFromCenter;
if(tryBool(message, b, 0)) {
setDrawFromCenter(b);
}
return true;
}
else if(message.getAddress() == oscRootAddress + "/overlay") {
tryBool(message, bDrawAllLayers, 0);
return true;
}
return false;
}
void MovieClip::gotoAndStop(int frame)
{
gotoFrame(frame);
stop();
}
void MovieClip::gotoAndPlay(int frame)
{
gotoFrame(frame);
play();
}
void MovieClip::oneFrame()
{
if (!playing_)
{
return;
}
if (passoneframe_ == true)
{
passoneframe_ = false;
return;
}
std::map<int, int>::iterator iter2 = actions_.find(frame_);
if (iter2 != actions_.end())
{
if (iter2->second == -1)
{
stop();
CompleteEvent event(CompleteEvent::COMPLETE);
dispatchEvent(&event);
}
else
gotoFrame(iter2->second);
return;
}
if (frame_ == maxframe_)
{
stop();
CompleteEvent event(CompleteEvent::COMPLETE);
dispatchEvent(&event);
return;
}
std::map<int, std::vector<Frame*> >::iterator iter;
iter = activeFrames_.find(frame_);
if (iter != activeFrames_.end())
{
const std::vector<Frame*>& frames = iter->second;
for (std::size_t i = 0; i < frames.size(); ++i)
removeChild2(frames[i]->sprite);
activeFrames_.erase(iter);
}
frame_ = frame_ + 1;
iter = allFrames_.find(frame_);
if (iter != allFrames_.end())
{
const std::vector<Frame*>& frames = iter->second;
for (std::size_t i = 0; i < frames.size(); ++i)
{
activeFrames_[frames[i]->end].push_back(frames[i]);
addChild2(frames[i]->sprite);
}
}
interpolateParameters();
}
void ViewerSettingsPanelCamera::on_lastScanButton_clicked(){
gotoFrame(m_numberFrames);
}
void ViewerSettingsPanelCamera::on_firstScanButton_clicked(){
gotoFrame(1);
}
void ViewerSettingsPanelCamera::on_previousScanButton_clicked(){
gotoFrame(m_currentFrame - 1);
}
void ViewerSettingsPanelCamera::on_nextScanButton_clicked(){
gotoFrame(m_currentFrame + 1);
}
void ViewerSettingsPanelCamera::on_scanProgressSlider_sliderMoved(int value) {
gotoFrame(value);
}
