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openmw-tes3mp/extern/osg-ffmpeg-videoplayer/videoplayer.cpp

139 lines
2.3 KiB
C++

#include "videoplayer.hpp"
#include <iostream>
#include <osg/Texture2D>
#include "audiofactory.hpp"
#include "videostate.hpp"
namespace Video
{
VideoPlayer::VideoPlayer()
: mState(NULL)
{
}
VideoPlayer::~VideoPlayer()
{
if(mState)
close();
}
void VideoPlayer::setAudioFactory(MovieAudioFactory *factory)
{
mAudioFactory.reset(factory);
}
void VideoPlayer::playVideo(std::shared_ptr<std::istream> inputstream, const std::string& name)
{
if(mState)
close();
try {
mState = new VideoState;
mState->setAudioFactory(mAudioFactory.get());
mState->init(inputstream, name);
// wait until we have the first picture
while (mState->video_st && !mState->mTexture.get())
{
if (!mState->update())
break;
}
}
catch(std::exception& e) {
std::cerr<< "Failed to play video: "<<e.what() <<std::endl;
close();
}
}
bool VideoPlayer::update ()
{
if(mState)
return mState->update();
return false;
}
osg::ref_ptr<osg::Texture2D> VideoPlayer::getVideoTexture()
{
if (mState)
return mState->mTexture;
return osg::ref_ptr<osg::Texture2D>();
}
int VideoPlayer::getVideoWidth()
{
int width=0;
if (mState && mState->mTexture.get() && mState->mTexture->getImage())
width = mState->mTexture->getImage()->s();
return width;
}
int VideoPlayer::getVideoHeight()
{
int height=0;
if (mState && mState->mTexture.get() && mState->mTexture->getImage())
height = mState->mTexture->getImage()->t();
return height;
}
void VideoPlayer::close()
{
if(mState)
{
mState->deinit();
delete mState;
mState = NULL;
}
}
bool VideoPlayer::hasAudioStream()
{
return mState && mState->audio_st != NULL;
}
void VideoPlayer::play()
{
if (mState)
mState->setPaused(false);
}
void VideoPlayer::pause()
{
if (mState)
mState->setPaused(true);
}
bool VideoPlayer::isPaused()
{
if (mState)
return mState->mPaused;
return true;
}
double VideoPlayer::getCurrentTime()
{
if (mState)
return mState->get_master_clock();
return 0.0;
}
void VideoPlayer::seek(double time)
{
if (mState)
mState->seekTo(time);
}
double VideoPlayer::getDuration()
{
if (mState)
return mState->getDuration();
return 0.0;
}
}