Added FakeGlVideoDecodeEngine to exercise the IPC protocol for hardware video decoding

media/base/video_frame.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/video_frame.h"
 
 #include "base/logging.h"
 
 namespace media {
 
+static size_t GetNumberOfPlanes(VideoFrame::Format format) {
+  switch (format) {
+    case VideoFrame::RGB555:
+    case VideoFrame::RGB565:
+    case VideoFrame::RGB24:
+    case VideoFrame::RGB32:
+    case VideoFrame::RGBA:
+    case VideoFrame::ASCII:
+      return VideoFrame::kNumRGBPlanes;
+    case VideoFrame::YV12:
+    case VideoFrame::YV16:
+      return VideoFrame::kNumYUVPlanes;
+    case VideoFrame::NV12:
+      return VideoFrame::kNumNV12Planes;
+    default:
+      return 0;
+  }
+}
+
 // static
 void VideoFrame::CreateFrame(VideoFrame::Format format,
                              size_t width,
                              size_t height,
                              base::TimeDelta timestamp,
                              base::TimeDelta duration,
                              scoped_refptr<VideoFrame>* frame_out) {
   DCHECK(width > 0 && height > 0);
   DCHECK(width * height < 100000000);
   DCHECK(frame_out);
@@ skipping 24 matching lines @@
         break;
       default:
         NOTREACHED();
         alloc_worked = false;
         break;
     }
   }
   *frame_out = alloc_worked ? frame : NULL;
 }
 
+// static
 void VideoFrame::CreateFrameExternal(SurfaceType type,
                                      Format format,
                                      size_t width,
                                      size_t height,
                                      size_t planes,
                                      uint8* const data[kMaxPlanes],
                                      const int32 strides[kMaxPlanes],
                                      base::TimeDelta timestamp,
                                      base::TimeDelta duration,
                                      void* private_buffer,
                                      scoped_refptr<VideoFrame>* frame_out) {
   DCHECK(frame_out);
   scoped_refptr<VideoFrame> frame =
       new VideoFrame(type, format, width, height);
   if (frame) {
     frame->SetTimestamp(timestamp);
     frame->SetDuration(duration);
     frame->external_memory_ = true;
     frame->planes_ = planes;
     frame->private_buffer_ = private_buffer;
     for (size_t i = 0; i < kMaxPlanes; ++i) {
       frame->data_[i] = data[i];
       frame->strides_[i] = strides[i];
     }
   }
   *frame_out = frame;
 }
 
 // static
+void VideoFrame::CreateFrameGlTexture(Format format,
+                                      size_t width,
+                                      size_t height,
+                                      GlTexture const textures[kMaxPlanes],
+                                      base::TimeDelta timestamp,
+                                      base::TimeDelta duration,
+                                      scoped_refptr<VideoFrame>* frame_out) {
+  DCHECK(frame_out);
+  scoped_refptr<VideoFrame> frame =
+      new VideoFrame(TYPE_GL_TEXTURE, format, width, height);
+  if (frame) {
+    frame->SetTimestamp(timestamp);
+    frame->SetDuration(duration);
+    frame->external_memory_ = true;
+    frame->planes_ = GetNumberOfPlanes(format);
+    for (size_t i = 0; i < kMaxPlanes; ++i) {
+      frame->gl_textures_[i] = textures[i];
+    }
+  }
+  *frame_out = frame;
+}
+
+// static
+void VideoFrame::CreateFrameD3dTexture(Format format,
+                                       size_t width,
+                                       size_t height,
+                                       D3dTexture const textures[kMaxPlanes],
+                                       base::TimeDelta timestamp,
+                                       base::TimeDelta duration,
+                                       scoped_refptr<VideoFrame>* frame_out) {
+  DCHECK(frame_out);
+  scoped_refptr<VideoFrame> frame =
+      new VideoFrame(TYPE_D3D_TEXTURE, format, width, height);
+  if (frame) {
+    frame->SetTimestamp(timestamp);
+    frame->SetDuration(duration);
+    frame->external_memory_ = true;
+    frame->planes_ = GetNumberOfPlanes(format);
+    for (size_t i = 0; i < kMaxPlanes; ++i) {
+      frame->d3d_textures_[i] = textures[i];
+    }
+  }
+  *frame_out = frame;
+}
+
+// static
 void VideoFrame::CreateEmptyFrame(scoped_refptr<VideoFrame>* frame_out) {
   *frame_out = new VideoFrame(VideoFrame::TYPE_SYSTEM_MEMORY,
                               VideoFrame::EMPTY, 0, 0);
 }
 
 // static
 void VideoFrame::CreateBlackFrame(int width, int height,
                                   scoped_refptr<VideoFrame>* frame_out) {
   DCHECK_GT(width, 0);
   DCHECK_GT(height, 0);
@@ skipping 91 matching lines @@
                        VideoFrame::Format format,
                        size_t width,
                        size_t height) {
   type_ = type;
   format_ = format;
   width_ = width;
   height_ = height;
   planes_ = 0;
   memset(&strides_, 0, sizeof(strides_));
   memset(&data_, 0, sizeof(data_));
+  memset(&gl_textures_, 0, sizeof(gl_textures_));
+  memset(&d3d_textures_, 0, sizeof(d3d_textures_));
   external_memory_ = false;
   private_buffer_ = NULL;
 }
 
 VideoFrame::~VideoFrame() {
   // In multi-plane allocations, only a single block of memory is allocated
   // on the heap, and other |data| pointers point inside the same, single block
   // so just delete index 0.
   if (!external_memory_)
     delete[] data_[0];
 }
 
 bool VideoFrame::IsEndOfStream() const {
   return format_ == VideoFrame::EMPTY;
 }
 
 }  // namespace media