/*------------------------------------------------------------------------------
| OpenMAXILTextureLoader::instantiateTexture
+-----------------------------------------------------------------------------*/
OMX_TextureData* OMX_TextureProviderQQuickItem::instantiateTexture(QSize size)
{
EGLDisplay eglDisplay = get_egl_display();
EGLContext eglContext = get_egl_context();
EGLint attr[] = {EGL_GL_TEXTURE_LEVEL_KHR, 0, EGL_NONE};
GLuint textureId;
glGenTextures(1, &textureId);
glBindTexture(GL_TEXTURE_2D, textureId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// It seems that only 4byte pixels is supported here.
GLubyte* pixel = new GLubyte[size.width()*size.height()*4];
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
EGLImageKHR eglImage = eglCreateImageKHR(
eglDisplay,
eglContext,
EGL_GL_TEXTURE_2D_KHR,
(EGLClientBuffer)textureId,
attr
);
EGLint eglErr = eglGetError();
if (eglErr != EGL_SUCCESS) {
LOG_ERROR(LOG_TAG, "Failed to create KHR image: %d.", eglErr);
return 0;
}
OMX_TextureData* textureData = new OMX_TextureData;
textureData->m_textureId = textureId;
textureData->m_textureData = pixel;
textureData->m_eglImage = eglImage;
textureData->m_textureSize = size;
return textureData;
}
OMX_VideoGraph::OMX_VideoGraph(
OMX_TextureProvider* provider,
QObject* parent
) :
m_eglDisplay(get_egl_display()),
m_eglContext(get_egl_context()),
m_provider(provider),
m_eglBuffer(NULL),
m_texture(m_eglDisplay),
port_settings_changed(0),
first_packet(1),
fillCalled(false)
{
// Get core.
// TODO: Init of core must be changed.
m_core = OMX_Core::instance();
if (!m_core)
throw OMX_Exception("Failed to init core.");
// Create the components.
LOG_VERBOSE(LOG_TAG, "Instantiating components...");
compEGLRender = OMXComponentFactory<MyEGLRenderer>::getInstance(
"OMX.broadcom.egl_render"
);
compDecoder = OMXComponentFactory<OMXComponent>::getInstance(
"OMX.broadcom.video_decode"
);
compClock = OMXComponentFactory<OMXComponent>::getInstance(
"OMX.broadcom.clock"
);
compScheduler = OMXComponentFactory<OMXComponent>::getInstance(
"OMX.broadcom.video_scheduler"
);
if (!(compEGLRender && compDecoder && compClock && compScheduler))
throw OMX_Exception("Failed to create component.");
// Disable all ports. It is necessary to do it here because otherwise
// I'll not be able to make the components switch to IDLE state.
LOG_VERBOSE(LOG_TAG, "Disabling all the ports...");
compEGLRender->sendCommand(OMX_CommandPortDisable, 220, NULL);
compEGLRender->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, 220, TIMEOUT_MS);
compEGLRender->sendCommand(OMX_CommandPortDisable, 221, NULL);
compEGLRender->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, 221, TIMEOUT_MS);
compDecoder->sendCommand(OMX_CommandPortDisable, 130, NULL);
compDecoder->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, 130, TIMEOUT_MS);
compDecoder->sendCommand(OMX_CommandPortDisable, 131, NULL);
compDecoder->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, 131, TIMEOUT_MS);
for (int i = 80; i <= 85; i++) {
compClock->sendCommand(OMX_CommandPortDisable, i, NULL);
compClock->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, i, TIMEOUT_MS);
}
for (int i = 10; i <= 12; i++) {
compScheduler->sendCommand(OMX_CommandPortDisable, i, NULL);
compScheduler->waitForEvent(OMX_EventCmdComplete, OMX_CommandPortDisable, i, TIMEOUT_MS);
}
LOG_VERBOSE(LOG_TAG, "All the ports were disabled.");
// Setup clock.
LOG_VERBOSE(LOG_TAG, "Setting params.");
OMX_TIME_CONFIG_CLOCKSTATETYPE cstate;
memset(&cstate, 0, sizeof(cstate));
cstate.nSize = sizeof(cstate);
cstate.nVersion.nVersion = OMX_VERSION;
cstate.eState = OMX_TIME_ClockStateWaitingForStartTime;
cstate.nWaitMask = 1;
compClock->SetParameter(OMX_IndexConfigTimeClockState, &cstate);
// Setup the tunnels.
tunnelDecSched = new OMXTunnel(
compDecoder.get(),
OMXCompVideoDecoder::outputPort,
compScheduler.get(),
OMXCompVideoScheduler::inputVideoPort
);
tunnelSchedRender = new OMXTunnel(
compScheduler.get(),
OMXCompVideoScheduler::outputPort,
compEGLRender.get(),
220
);
tunnelClockSched = new OMXTunnel(
compClock.get(),
80,
compScheduler.get(),
OMXCompVideoScheduler::inputClockPort
);
LOG_VERBOSE(LOG_TAG, "Setting up tunnel clock/scheduler.");
tunnelClockSched->setupTunnel(0, 0);
compClock->sendCommand(OMX_CommandStateSet, OMX_StateExecuting, NULL);
compDecoder->sendCommand(OMX_CommandStateSet, OMX_StateIdle, NULL);
LOG_VERBOSE(LOG_TAG, "Setting input parameters.");
OMX_VIDEO_PARAM_PORTFORMATTYPE format;
memset(&format, 0, sizeof(OMX_VIDEO_PARAM_PORTFORMATTYPE));
format.nSize = sizeof(OMX_VIDEO_PARAM_PORTFORMATTYPE);
format.nVersion.nVersion = OMX_VERSION;
format.nPortIndex = 130;
format.eCompressionFormat = OMX_VIDEO_CodingAVC;
compDecoder->SetParameter(OMX_IndexParamVideoPortFormat, &format);
OMX_NALSTREAMFORMATTYPE nalFormat;
OMX_INIT_STRUCTURE(nalFormat);
nalFormat.nPortIndex = 130;
//assert(OMX_GetParameter(compDecoder->GetHandle(), , &nalFormat) == OMX_ErrorNone);
//compDecoder->GetParameter(OMX_IndexParamNalStreamFormatSupported, &nalFormat);
nalFormat.eNaluFormat = OMX_NaluFormatOneNaluPerBuffer;
compDecoder->SetParameter((OMX_INDEXTYPE)OMX_IndexParamNalStreamFormatSelect, &nalFormat);
//assert(false);
// Provide buffers and enabled the port.
compDecoder->enablePortBuffers(130);
LOG_VERBOSE(LOG_TAG, "Changing decoder state to executing.");
compDecoder->sendCommand(OMX_CommandStateSet, OMX_StateExecuting, NULL);
}