void VideoMaterial::bind()
{
DPTR_D(VideoMaterial);
d.updateTexturesIfNeeded();
const int nb_planes = d.textures.size(); //number of texture id
if (d.update_texure) {
for (int i = 0; i < nb_planes; ++i) {
bindPlane(i);
}
d.update_texure = false;
return;
}
if (d.textures.isEmpty())
return;
for (int i = 0; i < nb_planes; ++i) {
OpenGLHelper::glActiveTexture(GL_TEXTURE0 + i);
glBindTexture(GL_TEXTURE_2D, d.textures[i]);
}
}
bool VideoMaterial::bind()
{
DPTR_D(VideoMaterial);
if (!d.updateTexturesIfNeeded())
return false;
const int nb_planes = d.textures.size(); //number of texture id
if (nb_planes <= 0)
return false;
if (d.update_texure) {
for (int i = 0; i < nb_planes; ++i) {
bindPlane(i);
}
d.update_texure = false;
return true;
}
for (int i = 0; i < nb_planes; ++i) {
OpenGLHelper::glActiveTexture(GL_TEXTURE0 + i);
glBindTexture(GL_TEXTURE_2D, d.textures[i]);
}
return true;
}
void QSGVlcVideoFrameMaterial::bindPlanes()
{
if( 0 == m_planeTexIds[0] && 0 == m_planeTexIds[1] && 0 == m_planeTexIds[2] )
glGenTextures( sizeof( m_planeTexIds ) / sizeof( m_planeTexIds[0] ), m_planeTexIds );
QSharedPointer<const QmlVlcI420Frame> tmpFrame;
m_frame.swap( tmpFrame );
if( tmpFrame ) {
Q_ASSERT( 0 == ( tmpFrame->width & 1 ) && 0 == ( tmpFrame->height & 1 ) );//width and height should be even
const quint16 tw = tmpFrame->width;
const quint16 th = tmpFrame->height;
bindPlane( GL_TEXTURE1, m_planeTexIds[1], tmpFrame->uPlane, tw / 2, th / 2 );
bindPlane( GL_TEXTURE2, m_planeTexIds[2], tmpFrame->vPlane, tw / 2, th / 2 );
bindPlane( GL_TEXTURE0, m_planeTexIds[0], tmpFrame->yPlane, tw, th );
} else {
bindPlane( GL_TEXTURE1, m_planeTexIds[1], 0, 0, 0 );
bindPlane( GL_TEXTURE2, m_planeTexIds[2], 0, 0, 0 );
bindPlane( GL_TEXTURE0, m_planeTexIds[0], 0, 0, 0 );
}
}
void QSGVlcVideoFrameMaterial::bindPlanes()
{
QOpenGLFunctions* f = QOpenGLContext::currentContext()->functions();
if( 0 == m_planeTexIds[0] && 0 == m_planeTexIds[1] && 0 == m_planeTexIds[2] )
F( glGenTextures( sizeof( m_planeTexIds ) / sizeof( m_planeTexIds[0] ), m_planeTexIds ) );
std::shared_ptr<const QmlVlcI420Frame> tmpFrame;
m_frame.swap( tmpFrame );
if( tmpFrame ) {
Q_ASSERT( 0 == ( tmpFrame->width & 1 ) && 0 == ( tmpFrame->height & 1 ) );//width and height should be even
const quint16 tw = tmpFrame->width;
const quint16 th = tmpFrame->height;
bindPlane( GL_TEXTURE1, m_planeTexIds[1], tmpFrame->uPlane, tw / 2, th / 2 );
bindPlane( GL_TEXTURE2, m_planeTexIds[2], tmpFrame->vPlane, tw / 2, th / 2 );
bindPlane( GL_TEXTURE0, m_planeTexIds[0], tmpFrame->yPlane, tw, th );
} else {
bindPlane( GL_TEXTURE1, m_planeTexIds[1], 0, 0, 0 );
bindPlane( GL_TEXTURE2, m_planeTexIds[2], 0, 0, 0 );
bindPlane( GL_TEXTURE0, m_planeTexIds[0], 0, 0, 0 );
}
}
