Revert of Delete video_render module.

webrtc/modules/video_render/video_render_impl.cc

Index: webrtc/modules/video_render/video_render_impl.cc
diff --git a/webrtc/modules/video_render/video_render_impl.cc b/webrtc/modules/video_render/video_render_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f3d12dce8f6e871b2c59262d542bb2668d8dcd21
--- /dev/null
+++ b/webrtc/modules/video_render/video_render_impl.cc
@@ -0,0 +1,550 @@
+/*
+ *  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/include/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/video_render_defines.h"
+#include "webrtc/modules/video_render/video_render_impl.h"
+#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
+#include "webrtc/system_wrappers/include/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;
+}
+void ModuleVideoRenderImpl::Process() {}
+
+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, false);
+    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);
+}
+
+}  // namespace webrtc