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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "oglplayer.hxx"
#include "oglframegrabber.hxx"
#include "oglwindow.hxx"
#include <cppuhelper/supportsservice.hxx>
#include <tools/stream.hxx>
#include <vcl/graph.hxx>
#include <vcl/graphicfilter.hxx>
#include <tools/urlobj.hxx>
#include <vcl/opengl/OpenGLHelper.hxx>
#include <cassert>
using namespace com::sun::star;
using namespace libgltf;
namespace avmedia { namespace ogl {
OGLPlayer::OGLPlayer()
: Player_BASE(m_aMutex)
, m_pHandle(nullptr)
, m_xContext(OpenGLContext::Create())
, m_pOGLWindow(nullptr)
, m_bIsRendering(false)
{
}
OGLPlayer::~OGLPlayer()
{
osl::MutexGuard aGuard(m_aMutex);
if( m_pHandle )
{
m_xContext->makeCurrent();
gltf_renderer_release(m_pHandle);
m_xContext->dispose();
}
releaseInputFiles();
}
static bool lcl_LoadFile( glTFFile* io_pFile, const OUString& rURL)
{
SvFileStream aStream( rURL, StreamMode::READ );
if( !aStream.IsOpen() )
return false;
const sal_Int64 nBytes = aStream.remainingSize();
char* pBuffer = new char[nBytes];
aStream.ReadBytes(pBuffer, nBytes);
aStream.Close();
io_pFile->buffer = pBuffer;
io_pFile->size = nBytes;
return true;
}
bool OGLPlayer::create( const OUString& rURL )
{
osl::MutexGuard aGuard(m_aMutex);
m_sURL = rURL;
// Convert URL to a system path
const INetURLObject aURLObj(m_sURL);
const std::string sFilePath = OUStringToOString( aURLObj.getFSysPath(INetURLObject::FSYS_DETECT), RTL_TEXTENCODING_UTF8 ).getStr();
// Load *.json file and init renderer
m_pHandle = gltf_renderer_init(sFilePath, m_vInputFiles);
if( !m_pHandle )
{
SAL_WARN("avmedia.opengl", "gltf_renderer_init returned an invalid glTFHandle");
return false;
}
// Load external resources
for(glTFFile & rFile : m_vInputFiles)
{
if( !rFile.filename.empty() )
{
const OUString sFilesURL =
INetURLObject::GetAbsURL(m_sURL,OStringToOUString(OString(rFile.filename.c_str()),RTL_TEXTENCODING_UTF8));
if( rFile.type == GLTF_IMAGE )
{
// Load images as bitmaps
GraphicFilter aFilter;
Graphic aGraphic;
if( aFilter.ImportGraphic(aGraphic, INetURLObject(sFilesURL)) != GRFILTER_OK )
{
rFile.buffer = nullptr;
rFile.imagewidth = 0;
rFile.imageheight = 0;
SAL_WARN("avmedia.opengl", "Can't load texture file: " + sFilesURL);
return false;
}
BitmapEx aBitmapEx = aGraphic.GetBitmapEx();
rFile.buffer = new char[4 * aBitmapEx.GetSizePixel().Width() * aBitmapEx.GetSizePixel().Height()];
OpenGLHelper::ConvertBitmapExToRGBATextureBuffer(aBitmapEx, reinterpret_cast<sal_uInt8*>(rFile.buffer), true);
rFile.imagewidth = aBitmapEx.GetSizePixel().Width();
rFile.imageheight = aBitmapEx.GetSizePixel().Height();
}
else if( rFile.type == GLTF_BINARY || rFile.type == GLTF_GLSL )
{
if( !lcl_LoadFile(&rFile, sFilesURL) )
{
rFile.buffer = nullptr;
rFile.size = 0;
SAL_WARN("avmedia.opengl", "Can't load glTF file: " + sFilesURL);
return false;
}
}
}
}
// Set timer
m_aTimer.SetTimeout(8); // is 125fps enough for anyone ?
m_aTimer.SetPriority(SchedulerPriority::LOW);
m_aTimer.SetTimeoutHdl(LINK(this,OGLPlayer,TimerHandler));
return true;
}
void OGLPlayer::releaseInputFiles()
{
for (size_t i = 0; i < m_vInputFiles.size() && m_vInputFiles[i].buffer; ++i)
{
delete [] m_vInputFiles[i].buffer;
m_vInputFiles[i].buffer = nullptr;
}
m_vInputFiles.clear();
}
void SAL_CALL OGLPlayer::start() throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
if(!m_pOGLWindow)
return;
gltf_animation_resume(m_pHandle);
m_aTimer.Start();
m_bIsRendering = true;
}
void SAL_CALL OGLPlayer::stop() throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
m_aTimer.Stop();
gltf_animation_stop(m_pHandle);
m_bIsRendering = false;
}
sal_Bool SAL_CALL OGLPlayer::isPlaying() throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
// Here isPlaying means model is rendered in the window and
// able to interact with the user (e.g. moving camera)
if( getDuration() > 0.0 )
return gltf_animation_is_playing(m_pHandle);
else
return m_bIsRendering;
}
double SAL_CALL OGLPlayer::getDuration() throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
return gltf_animation_get_duration(m_pHandle);
}
void SAL_CALL OGLPlayer::setMediaTime( double fTime ) throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
gltf_animation_set_time(m_pHandle, fTime);
}
double SAL_CALL OGLPlayer::getMediaTime() throw ( css::uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
return gltf_animation_get_time(m_pHandle);
}
void SAL_CALL OGLPlayer::setPlaybackLoop( sal_Bool bSet ) throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
gltf_animation_set_looping(m_pHandle, bSet);
}
sal_Bool SAL_CALL OGLPlayer::isPlaybackLoop() throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
return gltf_animation_get_looping(m_pHandle);
}
void SAL_CALL OGLPlayer::setVolumeDB( sal_Int16 /*nVolumDB*/ ) throw ( uno::RuntimeException, std::exception )
{
// OpenGL models have no sound.
}
sal_Int16 SAL_CALL OGLPlayer::getVolumeDB() throw ( uno::RuntimeException, std::exception )
{
// OpenGL models have no sound.
return 0;
}
void SAL_CALL OGLPlayer::setMute( sal_Bool /*bSet*/ ) throw ( uno::RuntimeException, std::exception )
{
// OpenGL models have no sound.
}
sal_Bool SAL_CALL OGLPlayer::isMute() throw ( uno::RuntimeException, std::exception )
{
// OpenGL models have no sound.
return false;
}
awt::Size SAL_CALL OGLPlayer::getPreferredPlayerWindowSize() throw ( uno::RuntimeException, std::exception )
{
return awt::Size( 480, 360 );
}
static bool lcl_CheckOpenGLRequirements()
{
return OpenGLHelper::getGLVersion() >= 3.0;
}
uno::Reference< media::XPlayerWindow > SAL_CALL OGLPlayer::createPlayerWindow( const uno::Sequence< uno::Any >& rArguments )
throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard( m_aMutex );
assert( rArguments.getLength() >= 3 );
assert(m_pHandle);
sal_IntPtr pIntPtr = 0;
rArguments[ 2 ] >>= pIntPtr;
SystemChildWindow *pChildWindow = reinterpret_cast< SystemChildWindow* >( pIntPtr );
if( !pChildWindow )
{
SAL_WARN("avmedia.opengl", "Failed to get the SystemChildWindow for rendering!");
return uno::Reference< media::XPlayerWindow >();
}
assert(pChildWindow->GetParent());
if( !m_xContext->init(pChildWindow) )
{
SAL_WARN("avmedia.opengl", "Context initialization failed");
return uno::Reference< media::XPlayerWindow >();
}
if( !m_xContext->supportMultiSampling() )
{
SAL_WARN("avmedia.opengl", "Context does not support multisampling!");
return uno::Reference< media::XPlayerWindow >();
}
if( !lcl_CheckOpenGLRequirements() )
{
SAL_WARN("avmedia.opengl", "Your platform does not have the minimal OpenGL requiremenets!");
return uno::Reference< media::XPlayerWindow >();
}
Size aSize = pChildWindow->GetSizePixel();
m_xContext->setWinSize(aSize);
m_pHandle->viewport.x = 0;
m_pHandle->viewport.y = 0;
m_pHandle->viewport.width = aSize.Width();
m_pHandle->viewport.height = aSize.Height();
// TODO: Use the error codes to print a readable error message
int nRet = gltf_renderer_set_content(m_pHandle, m_vInputFiles);
releaseInputFiles();
if( nRet != 0 )
{
SAL_WARN("avmedia.opengl", "Error occurred while setting up the scene! Error code: " << nRet);
return uno::Reference< media::XPlayerWindow >();
}
// The background color is white by default, but we need to separate the
// OpenGL window from the main window so set background color to grey
glClearColor(0.5f, 0.5f, 0.5f, 0.5f);
m_pOGLWindow = new OGLWindow(*m_pHandle, m_xContext, *pChildWindow->GetParent());
return uno::Reference< media::XPlayerWindow >( m_pOGLWindow );
}
uno::Reference< media::XFrameGrabber > SAL_CALL OGLPlayer::createFrameGrabber()
throw ( uno::RuntimeException, std::exception )
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pHandle);
if( !m_xContext->init() )
{
SAL_WARN("avmedia.opengl", "Offscreen context initialization failed");
return uno::Reference< media::XFrameGrabber >();
}
if( !m_xContext->supportMultiSampling() )
{
SAL_WARN("avmedia.opengl", "Context does not support multisampling!");
return uno::Reference< media::XFrameGrabber >();
}
if( !lcl_CheckOpenGLRequirements() )
{
SAL_WARN("avmedia.opengl", "Your platform does not have the minimal OpenGL requiremenets!");
return uno::Reference< media::XFrameGrabber >();
}
m_pHandle->viewport.x = 0;
m_pHandle->viewport.y = 0;
m_pHandle->viewport.width = getPreferredPlayerWindowSize().Width;
m_pHandle->viewport.height = getPreferredPlayerWindowSize().Height;
int nRet = gltf_renderer_set_content(m_pHandle, m_vInputFiles);
releaseInputFiles();
if( nRet != 0 )
{
SAL_WARN("avmedia.opengl", "Error occurred while setting up the scene! Error code: " << nRet);
return uno::Reference< media::XFrameGrabber >();
}
glClearColor(0.5f, 0.5f, 0.5f, 0.5f);
OGLFrameGrabber *pFrameGrabber = new OGLFrameGrabber( *m_pHandle );
return uno::Reference< media::XFrameGrabber >( pFrameGrabber );
}
OUString SAL_CALL OGLPlayer::getImplementationName()
throw ( css::uno::RuntimeException, std::exception )
{
return OUString("com.sun.star.comp.avmedia.Player_OpenGL");
}
sal_Bool SAL_CALL OGLPlayer::supportsService( const OUString& rServiceName )
throw ( uno::RuntimeException, std::exception )
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence< OUString > SAL_CALL OGLPlayer::getSupportedServiceNames()
throw ( uno::RuntimeException, std::exception )
{
return { "com.sun.star.media.Player_OpenGL" };
}
IMPL_LINK(OGLPlayer,TimerHandler,Timer*,pTimer,void)
{
if (pTimer == &m_aTimer)
{
osl::MutexGuard aGuard(m_aMutex);
assert(m_pOGLWindow);
m_pOGLWindow->update();
}
}
} // namespace ogl
} // namespace avmedia
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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