static void glxvideo_prepare(MSFilter *f){
GLXVideo *s=(GLXVideo*)f->data;
XWindowAttributes wa;
if (s->display==NULL) return;
if (s->window_id==0){
if (createX11GLWindow(s->display, s->wsize, &s->glContext, &s->window_id)) {
GLenum err;
s->glhelper = ogl_display_new();
glXMakeCurrent( s->display, s->window_id, s->glContext );
err = glewInit();
if (err != GLEW_OK) {
ms_error("Failed to initialize GLEW");
return;
} else if (!GLEW_VERSION_2_0) {
ms_error("Need OpenGL 2.0+");
return;
} else {
ogl_display_init(s->glhelper, s->wsize.width, s->wsize.height);
}
}
if (s->window_id==0) return;
s->own_window=TRUE;
}else if (s->own_window==FALSE){
/*we need to register for resize events*/
XSelectInput(s->display,s->window_id,StructureNotifyMask);
}
XGetWindowAttributes(s->display,s->window_id,&wa);
ms_message("glxvideo_prepare(): Window has size %ix%i, received video is %ix%i",wa.width,wa.height,s->vsize.width,s->vsize.height);
if (wa.width<MS_LAYOUT_MIN_SIZE || wa.height<MS_LAYOUT_MIN_SIZE){
return;
}
s->wsize.width=wa.width;
s->wsize.height=wa.height;
s->ready=TRUE;
}
static void android_display_init(MSFilter *f){
AndroidDisplay *ad=(AndroidDisplay*)ms_new0(AndroidDisplay,1);
JNIEnv *jenv=NULL;
jclass wc;
jenv=ms_get_jni_env();
wc=(*jenv)->FindClass(jenv,"org/linphone/mediastream/video/AndroidVideoWindowImpl");
if (wc==0){
ms_fatal("Could not find org/linphone/mediastream/video/AndroidVideoWindowImpl class !");
}
ad->set_opengles_display_id=(*jenv)->GetMethodID(jenv,wc,"setOpenGLESDisplay","(I)V");
ad->request_render_id=(*jenv)->GetMethodID(jenv,wc,"requestRender","()V");
if (ad->set_opengles_display_id == 0)
ms_error("Could not find 'setOpenGLESDisplay' method\n");
if (ad->request_render_id == 0)
ms_error("Could not find 'requestRender' method\n");
ad->ogl = ogl_display_new();
ad->ogl_free_ready = FALSE;
f->data=ad;
ms_message("%s %p %p", __FUNCTION__, f, ad);
}
static int android_display_set_window(MSFilter *f, void *arg){
AndroidDisplay *ad=(AndroidDisplay*)f->data;
unsigned long id=*(unsigned long*)arg;
JNIEnv *jenv=ms_get_jni_env();
jobject window=(jobject)id;
jobject old_window;
if (window == ad->android_video_window) return 0;
ms_filter_lock(f);
old_window=ad->android_video_window;
if (ad->android_video_window) {
ms_message("Clearing old opengles_display (%p)", ad->ogl);
/* clear native ptr, to prevent rendering to occur now that ptr is invalid */
(*jenv)->CallVoidMethod(jenv,ad->android_video_window,ad->set_opengles_display_id, 0);
/* when context is lost GL resources are freed by Android */
ogl_display_uninit(ad->ogl, FALSE);
ms_free(ad->ogl);
ad->ogl = ogl_display_new();
}
if (window) {
unsigned int ptr = (unsigned int)ad->ogl;
ad->android_video_window=(*jenv)->NewGlobalRef(jenv, window);
ms_message("Sending opengles_display pointer as long: %p -> %u", ad->ogl, ptr);
(*jenv)->CallVoidMethod(jenv,window,ad->set_opengles_display_id, ptr);
}else ad->android_video_window=NULL;
if (old_window)
(*jenv)->DeleteGlobalRef(jenv, old_window);
ms_filter_unlock(f);
return 0;
}
