Initial import.

1 files changed, 103 insertions, 0 deletions

diff --git a/chromium/third_party/libjingle/source/talk/media/webrtc/webrtcvideocapturer.h b/chromium/third_party/libjingle/source/talk/media/webrtc/webrtcvideocapturer.h
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+++ b/chromium/third_party/libjingle/source/talk/media/webrtc/webrtcvideocapturer.h
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+// libjingle
+// Copyright 2004 Google Inc.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//  2. Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//  3. The name of the author may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_
+#define TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_
+
+#ifdef HAVE_WEBRTC_VIDEO
+
+#include <string>
+#include <vector>
+
+#include "talk/base/messagehandler.h"
+#include "talk/media/base/videocapturer.h"
+#include "talk/media/webrtc/webrtcvideoframe.h"
+#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
+#include "webrtc/modules/video_capture/include/video_capture.h"
+
+namespace cricket {
+
+// Factory to allow injection of a VCM impl into WebRtcVideoCapturer.
+// DeviceInfos do not have a Release() and therefore need an explicit Destroy().
+class WebRtcVcmFactoryInterface {
+ public:
+  virtual ~WebRtcVcmFactoryInterface() {}
+  virtual webrtc::VideoCaptureModule* Create(
+      int id, const char* device) = 0;
+  virtual webrtc::VideoCaptureModule::DeviceInfo* CreateDeviceInfo(int id) = 0;
+  virtual void DestroyDeviceInfo(
+      webrtc::VideoCaptureModule::DeviceInfo* info) = 0;
+};
+
+// WebRTC-based implementation of VideoCapturer.
+class WebRtcVideoCapturer : public VideoCapturer,
+                            public webrtc::VideoCaptureDataCallback {
+ public:
+  WebRtcVideoCapturer();
+  explicit WebRtcVideoCapturer(WebRtcVcmFactoryInterface* factory);
+  virtual ~WebRtcVideoCapturer();
+
+  bool Init(const Device& device);
+  bool Init(webrtc::VideoCaptureModule* module);
+
+  // Override virtual methods of the parent class VideoCapturer.
+  virtual bool GetBestCaptureFormat(const VideoFormat& desired,
+                                    VideoFormat* best_format);
+  virtual CaptureState Start(const VideoFormat& capture_format);
+  virtual void Stop();
+  virtual bool IsRunning();
+  virtual bool IsScreencast() const { return false; }
+
+ protected:
+  // Override virtual methods of the parent class VideoCapturer.
+  virtual bool GetPreferredFourccs(std::vector<uint32>* fourccs);
+
+ private:
+  // Callback when a frame is captured by camera.
+  virtual void OnIncomingCapturedFrame(const int32_t id,
+                                       webrtc::I420VideoFrame& frame);
+  virtual void OnIncomingCapturedEncodedFrame(const int32_t id,
+      webrtc::VideoFrame& frame,
+      webrtc::VideoCodecType codec_type) {
+  }
+  virtual void OnCaptureDelayChanged(const int32_t id,
+                                     const int32_t delay);
+
+  talk_base::scoped_ptr<WebRtcVcmFactoryInterface> factory_;
+  webrtc::VideoCaptureModule* module_;
+  int captured_frames_;
+  talk_base::scoped_ptr<FrameBuffer> captured_frame_;
+};
+
+struct WebRtcCapturedFrame : public CapturedFrame {
+ public:
+  WebRtcCapturedFrame(const webrtc::I420VideoFrame& frame,
+                      void* buffer, int length);
+};
+
+}  // namespace cricket
+
+#endif  // HAVE_WEBRTC_VIDEO
+#endif  // TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_