MJPEG acceleration for video capture using VAAPI

content/browser/media/capture/web_contents_video_capture_device_unittest.cc

 // Copyright (c) 2012 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 "content/browser/media/capture/web_contents_video_capture_device.h"
 
 #include "base/bind_helpers.h"
 #include "base/debug/debugger.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 318 matching lines @@
     CHECK_EQ(format, media::VideoFrame::I420);
     const size_t frame_bytes =
         media::VideoFrame::AllocationSize(media::VideoFrame::I420, dimensions);
     int buffer_id_to_drop = VideoCaptureBufferPool::kInvalidId;  // Ignored.
     int buffer_id =
         buffer_pool_->ReserveForProducer(frame_bytes, &buffer_id_to_drop);
     if (buffer_id == VideoCaptureBufferPool::kInvalidId)
       return NULL;
     void* data;
     size_t size;
-    buffer_pool_->GetBufferInfo(buffer_id, &data, &size);
+    base::SharedMemoryHandle handle;
+    buffer_pool_->GetBufferInfo(buffer_id, &data, &size, &handle);
     return scoped_refptr<media::VideoCaptureDevice::Client::Buffer>(
-        new AutoReleaseBuffer(buffer_pool_, buffer_id, data, size));
+        new AutoReleaseBuffer(buffer_pool_, buffer_id, data, size, handle));
   }
 
   void OnIncomingCapturedVideoFrame(
       const scoped_refptr<Buffer>& buffer,
       const scoped_refptr<media::VideoFrame>& frame,
       const base::TimeTicks& timestamp) override {
     EXPECT_EQ(gfx::Size(kTestWidth, kTestHeight), frame->visible_rect().size());
     EXPECT_EQ(media::VideoFrame::I420, frame->format());
     double frame_rate = 0;
     EXPECT_TRUE(
@@ skipping 10 matching lines @@
   }
 
   void OnError(const std::string& reason) override { error_callback_.Run(); }
 
  private:
   class AutoReleaseBuffer : public media::VideoCaptureDevice::Client::Buffer {
    public:
     AutoReleaseBuffer(const scoped_refptr<VideoCaptureBufferPool>& pool,
                int buffer_id,
                void* data,
-               size_t size)
+               size_t size,
+               base::SharedMemoryHandle handle)
         : pool_(pool),
           id_(buffer_id),
           data_(data),
-          size_(size) {
+          size_(size),
+          handle_(handle) {
       DCHECK(pool_.get());
     }
     int id() const override { return id_; }
     void* data() const override { return data_; }
     size_t size() const override { return size_; }
+    base::SharedMemoryHandle handle() const override { return handle_; }
 
    private:
     ~AutoReleaseBuffer() override { pool_->RelinquishProducerReservation(id_); }
 
     const scoped_refptr<VideoCaptureBufferPool> pool_;
     const int id_;
     void* const data_;
     const size_t size_;
+    const base::SharedMemoryHandle handle_;
   };
 
   scoped_refptr<VideoCaptureBufferPool> buffer_pool_;
   base::Callback<void(SkColor)> color_callback_;
   base::Closure error_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(StubClient);
 };
 
 class StubClientObserver {
@@ skipping 457 matching lines @@
   source()->SetSolidColor(SK_ColorGREEN);
   ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorGREEN));
   source()->SetSolidColor(SK_ColorRED);
   ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorRED));
 
   device()->StopAndDeAllocate();
 }
 
 }  // namespace
 }  // namespace content