bool MediaPlayerPrivateGStreamerBase::ensureGstGLContext()
{
if (m_glContext)
return true;
if (!m_glDisplay) {
const auto& sharedDisplay = PlatformDisplay::sharedDisplay();
#if PLATFORM(X11)
m_glDisplay = GST_GL_DISPLAY(gst_gl_display_x11_new_with_display(downcast<PlatformDisplayX11>(sharedDisplay).native()));
#elif PLATFORM(WAYLAND)
m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayWayland>(sharedDisplay).native()));
#endif
}
GLContext* webkitContext = GLContext::sharingContext();
// EGL and GLX are mutually exclusive, no need for ifdefs here.
GstGLPlatform glPlatform = webkitContext->isEGLContext() ? GST_GL_PLATFORM_EGL : GST_GL_PLATFORM_GLX;
#if USE(OPENGL_ES_2)
GstGLAPI glAPI = GST_GL_API_GLES2;
#elif USE(OPENGL)
GstGLAPI glAPI = GST_GL_API_OPENGL;
#else
ASSERT_NOT_REACHED();
#endif
PlatformGraphicsContext3D contextHandle = webkitContext->platformContext();
if (!contextHandle)
return false;
m_glContext = gst_gl_context_new_wrapped(m_glDisplay.get(), reinterpret_cast<guintptr>(contextHandle), glPlatform, glAPI);
return true;
}
static void
open_ogl (void)
{
TRACE_VC_MEMORY ("state 0");
#if defined (USE_OMX_TARGET_RPI)
bcm_host_init ();
TRACE_VC_MEMORY ("after bcm_host_init");
#endif
/* Create surface and gl context */
init_ogl (state);
TRACE_VC_MEMORY ("after init_ogl");
/* Wrap the EGLDisplay to GstGLDisplayEGL */
state->gst_display = gst_gl_display_egl_new_with_egl_display (state->display);
}
bool ofGstVideoUtils::setPipeline(string pipeline, ofPixelFormat pixelFormat, bool isStream, int w, int h){
internalPixelFormat = pixelFormat;
#ifndef OF_USE_GST_GL
string caps;
#if GST_VERSION_MAJOR==0
switch(pixelFormat){
case OF_PIXELS_MONO:
caps="video/x-raw-gray, depth=8, bpp=8";
break;
case OF_PIXELS_RGBA:
caps="video/x-raw-rgb, depth=24, bpp=32, endianness=4321, red_mask=0xff0000, green_mask=0x00ff00, blue_mask=0x0000ff, alpha_mask=0x000000ff";
break;
case OF_PIXELS_BGRA:
caps="video/x-raw-rgb, depth=24, bpp=32, endianness=4321, red_mask=0x0000ff, green_mask=0x00ff00, blue_mask=0xff0000, alpha_mask=0x000000ff";
break;
case OF_PIXELS_RGB:
default:
caps="video/x-raw-rgb, depth=24, bpp=24, endianness=4321, red_mask=0xff0000, green_mask=0x00ff00, blue_mask=0x0000ff, alpha_mask=0x000000ff";
break;
}
#else
if(pixelFormat!=OF_PIXELS_NATIVE){
caps="video/x-raw, format="+getGstFormatName(pixelFormat);
}else{
caps = "video/x-raw,format={RGBA,BGRA,RGB,BGR,RGB16,GRAY8,YV12,I420,NV12,NV21,YUY2}";
}
#endif
if(w!=-1 && h!=-1){
caps+=", width=" + ofToString(w) + ", height=" + ofToString(h);
}
string pipeline_string =
pipeline + " ! appsink name=ofappsink enable-last-sample=0 caps=\"" + caps + "\"";
if((w==-1 || h==-1) || pixelFormat==OF_PIXELS_NATIVE || allocate(w,h,pixelFormat)){
return setPipelineWithSink(pipeline_string,"ofappsink",isStream);
}else{
return false;
}
#else
string pipeline_string =
pipeline + " ! glcolorscale name=gl_filter ! appsink name=ofappsink enable-last-sample=0 caps=\"video/x-raw,format=RGBA\"";
bool ret;
if((w==-1 || h==-1) || pixelFormat==OF_PIXELS_NATIVE || allocate(w,h,pixelFormat)){
ret = setPipelineWithSink(pipeline_string,"ofappsink",isStream);
}else{
ret = false;
}
auto glfilter = gst_bin_get_by_name(GST_BIN(getPipeline()),"gl_filter");
#if defined(TARGET_LINUX) && !defined(TARGET_OPENGLES)
glXMakeCurrent (ofGetX11Display(), None, 0);
glDisplay = (GstGLDisplay *)gst_gl_display_x11_new_with_display(ofGetX11Display());
glContext = gst_gl_context_new_wrapped (glDisplay, (guintptr) ofGetGLXContext(),
GST_GL_PLATFORM_GLX, GST_GL_API_OPENGL);
g_object_set (G_OBJECT (glfilter), "other-context", glContext, NULL);
// FIXME: this seems to be the way to add the context in 1.4.5
//
// GstBus * bus = gst_pipeline_get_bus (GST_PIPELINE(gstPipeline));
// gst_bus_enable_sync_message_emission (bus);
// g_signal_connect (bus, "sync-message", G_CALLBACK (sync_bus_call), this);
// gst_object_unref(bus);
glXMakeCurrent (ofGetX11Display(), ofGetX11Window(), ofGetGLXContext());
#elif defined(TARGET_OPENGLES)
cout << "current display " << ofGetEGLDisplay() << endl;
eglMakeCurrent (eglGetDisplay(EGL_DEFAULT_DISPLAY), 0,0, 0);
glDisplay = (GstGLDisplay *)gst_gl_display_egl_new_with_egl_display(eglGetDisplay(EGL_DEFAULT_DISPLAY));
glContext = gst_gl_context_new_wrapped (glDisplay, (guintptr) ofGetEGLContext(),
GST_GL_PLATFORM_GLX, GST_GL_API_OPENGL);
g_object_set (G_OBJECT (glfilter), "other-context", glContext, NULL);
// FIXME: this seems to be the way to add the context in 1.4.5
//
// GstBus * bus = gst_pipeline_get_bus (GST_PIPELINE(gstPipeline));
// gst_bus_enable_sync_message_emission (bus);
// g_signal_connect (bus, "sync-message", G_CALLBACK (sync_bus_call), this);
// gst_object_unref(bus);
eglMakeCurrent (ofGetEGLDisplay(), ofGetEGLSurface(), ofGetEGLSurface(), ofGetEGLContext());
#endif
return ret;
#endif
}
