modules/video_render/video_render_impl.cc - src/webrtc - Git at Google

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */

 #include <assert.h>

 #include "webrtc/common_video/interface/incoming_video_stream.h"
 #include "webrtc/engine_configurations.h"
 #include "webrtc/modules/video_render/external/video_render_external_impl.h"
 #include "webrtc/modules/video_render/i_video_render.h"
 #include "webrtc/modules/video_render/include/video_render_defines.h"
 #include "webrtc/modules/video_render/video_render_impl.h"
 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
 #include "webrtc/system_wrappers/interface/trace.h"

 namespace webrtc {

 VideoRender*
 VideoRender::CreateVideoRender(const int32_t id,
                                void* window,
                                const bool fullscreen,
                                const VideoRenderType videoRenderType/*=kRenderDefault*/)
 {
     VideoRenderType resultVideoRenderType = videoRenderType;
     if (videoRenderType == kRenderDefault)
     {
         resultVideoRenderType = kRenderExternal;
     }
     return new ModuleVideoRenderImpl(id, resultVideoRenderType, window,
                                      fullscreen);
 }

 void VideoRender::DestroyVideoRender(
                                                          VideoRender* module)
 {
     if (module)
     {
         delete module;
     }
 }

 ModuleVideoRenderImpl::ModuleVideoRenderImpl(
                                              const int32_t id,
                                              const VideoRenderType videoRenderType,
                                              void* window,
                                              const bool fullscreen) :
     _id(id), _moduleCrit(*CriticalSectionWrapper::CreateCriticalSection()),
     _ptrWindow(window), _fullScreen(fullscreen), _ptrRenderer(NULL)
 {

     // Create platform specific renderer
     switch (videoRenderType)
     {
         case kRenderExternal:
         {
             VideoRenderExternalImpl* ptrRenderer(NULL);
             ptrRenderer = new VideoRenderExternalImpl(_id, videoRenderType,
                                                       window, _fullScreen);
             if (ptrRenderer)
             {
                 _ptrRenderer = reinterpret_cast<IVideoRender*> (ptrRenderer);
             }
         }
             break;
         default:
             // Error...
             break;
     }
     if (_ptrRenderer)
     {
         if (_ptrRenderer->Init() == -1)
         {
         }
     }
 }

 ModuleVideoRenderImpl::~ModuleVideoRenderImpl()
 {
     delete &_moduleCrit;

     for (IncomingVideoStreamMap::iterator it = _streamRenderMap.begin();
          it != _streamRenderMap.end();
          ++it) {
       delete it->second;
     }

     // Delete platform specific renderer
     if (_ptrRenderer)
     {
         VideoRenderType videoRenderType = _ptrRenderer->RenderType();

         switch (videoRenderType)
         {
             case kRenderExternal:
             {
                 VideoRenderExternalImpl
                         * ptrRenderer =
                                 reinterpret_cast<VideoRenderExternalImpl*> (_ptrRenderer);
                 _ptrRenderer = NULL;
                 delete ptrRenderer;
             }
             break;

             default:
                 // Error...
                 break;
         }
     }
 }

 int64_t ModuleVideoRenderImpl::TimeUntilNextProcess()
 {
     // Not used
     return 50;
 }
 int32_t ModuleVideoRenderImpl::Process()
 {
     // Not used
     return 0;
 }

 void*
 ModuleVideoRenderImpl::Window()
 {
     CriticalSectionScoped cs(&_moduleCrit);
     return _ptrWindow;
 }

 int32_t ModuleVideoRenderImpl::ChangeWindow(void* window)
 {
     return -1;
 }

 int32_t ModuleVideoRenderImpl::Id()
 {
     CriticalSectionScoped cs(&_moduleCrit);
     return _id;
 }

 uint32_t ModuleVideoRenderImpl::GetIncomingFrameRate(const uint32_t streamId) {
   CriticalSectionScoped cs(&_moduleCrit);

   IncomingVideoStreamMap::iterator it = _streamRenderMap.find(streamId);

   if (it == _streamRenderMap.end()) {
     // This stream doesn't exist
     WEBRTC_TRACE(kTraceError,
                  kTraceVideoRenderer,
                  _id,
                  "%s: stream doesn't exist",
                  __FUNCTION__);
     return 0;
   }
   assert(it->second != NULL);
   return it->second->IncomingRate();
 }

 VideoRenderCallback*
 ModuleVideoRenderImpl::AddIncomingRenderStream(const uint32_t streamId,
                                                const uint32_t zOrder,
                                                const float left,
                                                const float top,
                                                const float right,
                                                const float bottom)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return NULL;
     }

     if (_streamRenderMap.find(streamId) != _streamRenderMap.end()) {
         // The stream already exists...
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: stream already exists", __FUNCTION__);
         return NULL;
     }

     VideoRenderCallback* ptrRenderCallback =
             _ptrRenderer->AddIncomingRenderStream(streamId, zOrder, left, top,
                                                   right, bottom);
     if (ptrRenderCallback == NULL)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: Can't create incoming stream in renderer",
                      __FUNCTION__);
         return NULL;
     }

     // Create platform independant code
     IncomingVideoStream* ptrIncomingStream = new IncomingVideoStream(streamId);
     ptrIncomingStream->SetRenderCallback(ptrRenderCallback);
     VideoRenderCallback* moduleCallback = ptrIncomingStream->ModuleCallback();

     // Store the stream
     _streamRenderMap[streamId] = ptrIncomingStream;

     return moduleCallback;
 }

 int32_t ModuleVideoRenderImpl::DeleteIncomingRenderStream(
                                                                 const uint32_t streamId)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }

     IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);
     if (item == _streamRenderMap.end())
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: stream doesn't exist", __FUNCTION__);
         return -1;
     }

     delete item->second;

     _ptrRenderer->DeleteIncomingRenderStream(streamId);

     _streamRenderMap.erase(item);

     return 0;
 }

 int32_t ModuleVideoRenderImpl::AddExternalRenderCallback(
     const uint32_t streamId,
     VideoRenderCallback* renderObject) {
     CriticalSectionScoped cs(&_moduleCrit);

     IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

     if (item == _streamRenderMap.end())
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: stream doesn't exist", __FUNCTION__);
         return -1;
     }

     if (item->second == NULL) {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: could not get stream", __FUNCTION__);
         return -1;
     }
     item->second->SetExternalCallback(renderObject);
     return 0;
 }

 int32_t ModuleVideoRenderImpl::GetIncomingRenderStreamProperties(
     const uint32_t streamId,
     uint32_t& zOrder,
     float& left,
     float& top,
     float& right,
     float& bottom) const {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }

     return _ptrRenderer->GetIncomingRenderStreamProperties(streamId, zOrder,
                                                            left, top, right,
                                                            bottom);
 }

 uint32_t ModuleVideoRenderImpl::GetNumIncomingRenderStreams() const
 {
     CriticalSectionScoped cs(&_moduleCrit);

     return static_cast<uint32_t>(_streamRenderMap.size());
 }

 bool ModuleVideoRenderImpl::HasIncomingRenderStream(
     const uint32_t streamId) const {
   CriticalSectionScoped cs(&_moduleCrit);

   return _streamRenderMap.find(streamId) != _streamRenderMap.end();
 }

 int32_t ModuleVideoRenderImpl::RegisterRawFrameCallback(
     const uint32_t streamId,
     VideoRenderCallback* callbackObj) {
   return -1;
 }

 int32_t ModuleVideoRenderImpl::StartRender(const uint32_t streamId)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }

     // Start the stream
     IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

     if (item == _streamRenderMap.end())
     {
         return -1;
     }

     if (item->second->Start() == -1)
     {
         return -1;
     }

     // Start the HW renderer
     if (_ptrRenderer->StartRender() == -1)
     {
         return -1;
     }
     return 0;
 }

 int32_t ModuleVideoRenderImpl::StopRender(const uint32_t streamId)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s(%d): No renderer", __FUNCTION__, streamId);
         return -1;
     }

     // Stop the incoming stream
     IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

     if (item == _streamRenderMap.end())
     {
         return -1;
     }

     if (item->second->Stop() == -1)
     {
         return -1;
     }

     return 0;
 }

 int32_t ModuleVideoRenderImpl::ResetRender()
 {
     CriticalSectionScoped cs(&_moduleCrit);

     int32_t ret = 0;
     // Loop through all incoming streams and reset them
     for (IncomingVideoStreamMap::iterator it = _streamRenderMap.begin();
          it != _streamRenderMap.end();
          ++it) {
       if (it->second->Reset() == -1)
         ret = -1;
     }
     return ret;
 }

 RawVideoType ModuleVideoRenderImpl::PreferredVideoType() const
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (_ptrRenderer == NULL)
     {
         return kVideoI420;
     }

     return _ptrRenderer->PerferedVideoType();
 }

 bool ModuleVideoRenderImpl::IsFullScreen()
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->FullScreen();
 }

 int32_t ModuleVideoRenderImpl::GetScreenResolution(
                                                          uint32_t& screenWidth,
                                                          uint32_t& screenHeight) const
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->GetScreenResolution(screenWidth, screenHeight);
 }

 uint32_t ModuleVideoRenderImpl::RenderFrameRate(
                                                       const uint32_t streamId)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->RenderFrameRate(streamId);
 }

 int32_t ModuleVideoRenderImpl::SetStreamCropping(
                                                        const uint32_t streamId,
                                                        const float left,
                                                        const float top,
                                                        const float right,
                                                        const float bottom)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->SetStreamCropping(streamId, left, top, right, bottom);
 }

 int32_t ModuleVideoRenderImpl::SetTransparentBackground(const bool enable)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->SetTransparentBackground(enable);
 }

 int32_t ModuleVideoRenderImpl::FullScreenRender(void* window, const bool enable)
 {
     return -1;
 }

 int32_t ModuleVideoRenderImpl::SetText(
                                              const uint8_t textId,
                                              const uint8_t* text,
                                              const int32_t textLength,
                                              const uint32_t textColorRef,
                                              const uint32_t backgroundColorRef,
                                              const float left, const float top,
                                              const float right,
                                              const float bottom)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }
     return _ptrRenderer->SetText(textId, text, textLength, textColorRef,
                                  backgroundColorRef, left, top, right, bottom);
 }

 int32_t ModuleVideoRenderImpl::SetBitmap(const void* bitMap,
                                          const uint8_t pictureId,
                                          const void* colorKey,
                                          const float left,
                                          const float top,
                                          const float right,
                                          const float bottom)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }
     return _ptrRenderer->SetBitmap(bitMap, pictureId, colorKey, left, top,
                                    right, bottom);
 }

 int32_t ModuleVideoRenderImpl::SetExpectedRenderDelay(
     uint32_t stream_id, int32_t delay_ms) {
   CriticalSectionScoped cs(&_moduleCrit);

   if (!_ptrRenderer) {
     WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                  "%s: No renderer", __FUNCTION__);
     return false;
   }

   IncomingVideoStreamMap::const_iterator item =
       _streamRenderMap.find(stream_id);
   if (item == _streamRenderMap.end()) {
     // This stream doesn't exist
     WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                  "%s(%u, %d): stream doesn't exist", __FUNCTION__, stream_id,
                  delay_ms);
     return -1;
   }

   assert(item->second != NULL);
   return item->second->SetExpectedRenderDelay(delay_ms);
 }

 int32_t ModuleVideoRenderImpl::ConfigureRenderer(
                                                        const uint32_t streamId,
                                                        const unsigned int zOrder,
                                                        const float left,
                                                        const float top,
                                                        const float right,
                                                        const float bottom)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return false;
     }
     return _ptrRenderer->ConfigureRenderer(streamId, zOrder, left, top, right,
                                            bottom);
 }

 int32_t ModuleVideoRenderImpl::SetStartImage(
     const uint32_t streamId,
     const I420VideoFrame& videoFrame)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }

     IncomingVideoStreamMap::const_iterator item =
         _streamRenderMap.find(streamId);
     if (item == _streamRenderMap.end())
     {
         // This stream doesn't exist
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: stream doesn't exist", __FUNCTION__);
         return -1;
     }
     assert (item->second != NULL);
     return item->second->SetStartImage(videoFrame);

 }

 int32_t ModuleVideoRenderImpl::SetTimeoutImage(
     const uint32_t streamId,
     const I420VideoFrame& videoFrame,
     const uint32_t timeout)
 {
     CriticalSectionScoped cs(&_moduleCrit);

     if (!_ptrRenderer)
     {
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: No renderer", __FUNCTION__);
         return -1;
     }

     IncomingVideoStreamMap::const_iterator item =
         _streamRenderMap.find(streamId);
     if (item == _streamRenderMap.end())
     {
         // This stream doesn't exist
         WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
                      "%s: stream doesn't exist", __FUNCTION__);
         return -1;
     }
     assert(item->second != NULL);
     return item->second->SetTimeoutImage(videoFrame, timeout);
 }

 }  // namespace webrtc
	/*
	* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
	*
	* Use of this source code is governed by a BSD-style license
	* that can be found in the LICENSE file in the root of the source
	* tree. An additional intellectual property rights grant can be found
	* in the file PATENTS. All contributing project authors may
	* be found in the AUTHORS file in the root of the source tree.
	*/

	#include <assert.h>

	#include "webrtc/common_video/interface/incoming_video_stream.h"
	#include "webrtc/engine_configurations.h"
	#include "webrtc/modules/video_render/external/video_render_external_impl.h"
	#include "webrtc/modules/video_render/i_video_render.h"
	#include "webrtc/modules/video_render/include/video_render_defines.h"
	#include "webrtc/modules/video_render/video_render_impl.h"
	#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
	#include "webrtc/system_wrappers/interface/trace.h"

	namespace webrtc {

	VideoRender*
	VideoRender::CreateVideoRender(const int32_t id,
	void* window,
	const bool fullscreen,
	const VideoRenderType videoRenderType/=kRenderDefault/)
	{
	VideoRenderType resultVideoRenderType = videoRenderType;
	if (videoRenderType == kRenderDefault)
	{
	resultVideoRenderType = kRenderExternal;
	}
	return new ModuleVideoRenderImpl(id, resultVideoRenderType, window,
	fullscreen);
	}

	void VideoRender::DestroyVideoRender(
	VideoRender* module)
	{
	if (module)
	{
	delete module;
	}
	}

	ModuleVideoRenderImpl::ModuleVideoRenderImpl(
	const int32_t id,
	const VideoRenderType videoRenderType,
	void* window,
	const bool fullscreen) :
	_id(id), _moduleCrit(*CriticalSectionWrapper::CreateCriticalSection()),
	_ptrWindow(window), _fullScreen(fullscreen), _ptrRenderer(NULL)
	{

	// Create platform specific renderer
	switch (videoRenderType)
	{
	case kRenderExternal:
	{
	VideoRenderExternalImpl* ptrRenderer(NULL);
	ptrRenderer = new VideoRenderExternalImpl(_id, videoRenderType,
	window, _fullScreen);
	if (ptrRenderer)
	{
	_ptrRenderer = reinterpret_cast<IVideoRender*> (ptrRenderer);
	}
	}
	break;
	default:
	// Error...
	break;
	}
	if (_ptrRenderer)
	{
	if (_ptrRenderer->Init() == -1)
	{
	}
	}
	}

	ModuleVideoRenderImpl::~ModuleVideoRenderImpl()
	{
	delete &_moduleCrit;

	for (IncomingVideoStreamMap::iterator it = _streamRenderMap.begin();
	it != _streamRenderMap.end();
	++it) {
	delete it->second;
	}

	// Delete platform specific renderer
	if (_ptrRenderer)
	{
	VideoRenderType videoRenderType = _ptrRenderer->RenderType();

	switch (videoRenderType)
	{
	case kRenderExternal:
	{
	VideoRenderExternalImpl
	* ptrRenderer =
	reinterpret_cast<VideoRenderExternalImpl*> (_ptrRenderer);
	_ptrRenderer = NULL;
	delete ptrRenderer;
	}
	break;

	default:
	// Error...
	break;
	}
	}
	}

	int64_t ModuleVideoRenderImpl::TimeUntilNextProcess()
	{
	// Not used
	return 50;
	}
	int32_t ModuleVideoRenderImpl::Process()
	{
	// Not used
	return 0;
	}

	void*
	ModuleVideoRenderImpl::Window()
	{
	CriticalSectionScoped cs(&_moduleCrit);
	return _ptrWindow;
	}

	int32_t ModuleVideoRenderImpl::ChangeWindow(void* window)
	{
	return -1;
	}

	int32_t ModuleVideoRenderImpl::Id()
	{
	CriticalSectionScoped cs(&_moduleCrit);
	return _id;
	}

	uint32_t ModuleVideoRenderImpl::GetIncomingFrameRate(const uint32_t streamId) {
	CriticalSectionScoped cs(&_moduleCrit);

	IncomingVideoStreamMap::iterator it = _streamRenderMap.find(streamId);

	if (it == _streamRenderMap.end()) {
	// This stream doesn't exist
	WEBRTC_TRACE(kTraceError,
	kTraceVideoRenderer,
	_id,
	"%s: stream doesn't exist",
	__FUNCTION__);
	return 0;
	}
	assert(it->second != NULL);
	return it->second->IncomingRate();
	}

	VideoRenderCallback*
	ModuleVideoRenderImpl::AddIncomingRenderStream(const uint32_t streamId,
	const uint32_t zOrder,
	const float left,
	const float top,
	const float right,
	const float bottom)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return NULL;
	}

	if (_streamRenderMap.find(streamId) != _streamRenderMap.end()) {
	// The stream already exists...
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: stream already exists", __FUNCTION__);
	return NULL;
	}

	VideoRenderCallback* ptrRenderCallback =
	_ptrRenderer->AddIncomingRenderStream(streamId, zOrder, left, top,
	right, bottom);
	if (ptrRenderCallback == NULL)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: Can't create incoming stream in renderer",
	__FUNCTION__);
	return NULL;
	}

	// Create platform independant code
	IncomingVideoStream* ptrIncomingStream = new IncomingVideoStream(streamId);
	ptrIncomingStream->SetRenderCallback(ptrRenderCallback);
	VideoRenderCallback* moduleCallback = ptrIncomingStream->ModuleCallback();

	// Store the stream
	_streamRenderMap[streamId] = ptrIncomingStream;

	return moduleCallback;
	}

	int32_t ModuleVideoRenderImpl::DeleteIncomingRenderStream(
	const uint32_t streamId)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}

	IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);
	if (item == _streamRenderMap.end())
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: stream doesn't exist", __FUNCTION__);
	return -1;
	}

	delete item->second;

	_ptrRenderer->DeleteIncomingRenderStream(streamId);

	_streamRenderMap.erase(item);

	return 0;
	}

	int32_t ModuleVideoRenderImpl::AddExternalRenderCallback(
	const uint32_t streamId,
	VideoRenderCallback* renderObject) {
	CriticalSectionScoped cs(&_moduleCrit);

	IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

	if (item == _streamRenderMap.end())
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: stream doesn't exist", __FUNCTION__);
	return -1;
	}

	if (item->second == NULL) {
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: could not get stream", __FUNCTION__);
	return -1;
	}
	item->second->SetExternalCallback(renderObject);
	return 0;
	}

	int32_t ModuleVideoRenderImpl::GetIncomingRenderStreamProperties(
	const uint32_t streamId,
	uint32_t& zOrder,
	float& left,
	float& top,
	float& right,
	float& bottom) const {
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}

	return _ptrRenderer->GetIncomingRenderStreamProperties(streamId, zOrder,
	left, top, right,
	bottom);
	}

	uint32_t ModuleVideoRenderImpl::GetNumIncomingRenderStreams() const
	{
	CriticalSectionScoped cs(&_moduleCrit);

	return static_cast<uint32_t>(_streamRenderMap.size());
	}

	bool ModuleVideoRenderImpl::HasIncomingRenderStream(
	const uint32_t streamId) const {
	CriticalSectionScoped cs(&_moduleCrit);

	return _streamRenderMap.find(streamId) != _streamRenderMap.end();
	}

	int32_t ModuleVideoRenderImpl::RegisterRawFrameCallback(
	const uint32_t streamId,
	VideoRenderCallback* callbackObj) {
	return -1;
	}

	int32_t ModuleVideoRenderImpl::StartRender(const uint32_t streamId)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}

	// Start the stream
	IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

	if (item == _streamRenderMap.end())
	{
	return -1;
	}

	if (item->second->Start() == -1)
	{
	return -1;
	}

	// Start the HW renderer
	if (_ptrRenderer->StartRender() == -1)
	{
	return -1;
	}
	return 0;
	}

	int32_t ModuleVideoRenderImpl::StopRender(const uint32_t streamId)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s(%d): No renderer", __FUNCTION__, streamId);
	return -1;
	}

	// Stop the incoming stream
	IncomingVideoStreamMap::iterator item = _streamRenderMap.find(streamId);

	if (item == _streamRenderMap.end())
	{
	return -1;
	}

	if (item->second->Stop() == -1)
	{
	return -1;
	}

	return 0;
	}

	int32_t ModuleVideoRenderImpl::ResetRender()
	{
	CriticalSectionScoped cs(&_moduleCrit);

	int32_t ret = 0;
	// Loop through all incoming streams and reset them
	for (IncomingVideoStreamMap::iterator it = _streamRenderMap.begin();
	it != _streamRenderMap.end();
	++it) {
	if (it->second->Reset() == -1)
	ret = -1;
	}
	return ret;
	}

	RawVideoType ModuleVideoRenderImpl::PreferredVideoType() const
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (_ptrRenderer == NULL)
	{
	return kVideoI420;
	}

	return _ptrRenderer->PerferedVideoType();
	}

	bool ModuleVideoRenderImpl::IsFullScreen()
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->FullScreen();
	}

	int32_t ModuleVideoRenderImpl::GetScreenResolution(
	uint32_t& screenWidth,
	uint32_t& screenHeight) const
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->GetScreenResolution(screenWidth, screenHeight);
	}

	uint32_t ModuleVideoRenderImpl::RenderFrameRate(
	const uint32_t streamId)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->RenderFrameRate(streamId);
	}

	int32_t ModuleVideoRenderImpl::SetStreamCropping(
	const uint32_t streamId,
	const float left,
	const float top,
	const float right,
	const float bottom)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->SetStreamCropping(streamId, left, top, right, bottom);
	}

	int32_t ModuleVideoRenderImpl::SetTransparentBackground(const bool enable)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->SetTransparentBackground(enable);
	}

	int32_t ModuleVideoRenderImpl::FullScreenRender(void* window, const bool enable)
	{
	return -1;
	}

	int32_t ModuleVideoRenderImpl::SetText(
	const uint8_t textId,
	const uint8_t* text,
	const int32_t textLength,
	const uint32_t textColorRef,
	const uint32_t backgroundColorRef,
	const float left, const float top,
	const float right,
	const float bottom)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}
	return _ptrRenderer->SetText(textId, text, textLength, textColorRef,
	backgroundColorRef, left, top, right, bottom);
	}

	int32_t ModuleVideoRenderImpl::SetBitmap(const void* bitMap,
	const uint8_t pictureId,
	const void* colorKey,
	const float left,
	const float top,
	const float right,
	const float bottom)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}
	return _ptrRenderer->SetBitmap(bitMap, pictureId, colorKey, left, top,
	right, bottom);
	}

	int32_t ModuleVideoRenderImpl::SetExpectedRenderDelay(
	uint32_t stream_id, int32_t delay_ms) {
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer) {
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}

	IncomingVideoStreamMap::const_iterator item =
	_streamRenderMap.find(stream_id);
	if (item == _streamRenderMap.end()) {
	// This stream doesn't exist
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s(%u, %d): stream doesn't exist", __FUNCTION__, stream_id,
	delay_ms);
	return -1;
	}

	assert(item->second != NULL);
	return item->second->SetExpectedRenderDelay(delay_ms);
	}

	int32_t ModuleVideoRenderImpl::ConfigureRenderer(
	const uint32_t streamId,
	const unsigned int zOrder,
	const float left,
	const float top,
	const float right,
	const float bottom)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return false;
	}
	return _ptrRenderer->ConfigureRenderer(streamId, zOrder, left, top, right,
	bottom);
	}

	int32_t ModuleVideoRenderImpl::SetStartImage(
	const uint32_t streamId,
	const I420VideoFrame& videoFrame)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}

	IncomingVideoStreamMap::const_iterator item =
	_streamRenderMap.find(streamId);
	if (item == _streamRenderMap.end())
	{
	// This stream doesn't exist
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: stream doesn't exist", __FUNCTION__);
	return -1;
	}
	assert (item->second != NULL);
	return item->second->SetStartImage(videoFrame);

	}

	int32_t ModuleVideoRenderImpl::SetTimeoutImage(
	const uint32_t streamId,
	const I420VideoFrame& videoFrame,
	const uint32_t timeout)
	{
	CriticalSectionScoped cs(&_moduleCrit);

	if (!_ptrRenderer)
	{
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: No renderer", __FUNCTION__);
	return -1;
	}

	IncomingVideoStreamMap::const_iterator item =
	_streamRenderMap.find(streamId);
	if (item == _streamRenderMap.end())
	{
	// This stream doesn't exist
	WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id,
	"%s: stream doesn't exist", __FUNCTION__);
	return -1;
	}
	assert(item->second != NULL);
	return item->second->SetTimeoutImage(videoFrame, timeout);
	}

	} // namespace webrtc