DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (777e60ca8853)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154
/*
 *  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.
 */

#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_IMPL_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_IMPL_H_

#include <jni.h>

#include <map>

#include "webrtc/modules/video_render/i_video_render.h"


namespace webrtc {

//#define ANDROID_LOG

class CriticalSectionWrapper;
class EventWrapper;
class ThreadWrapper;

// The object a module user uses to send new frames to the java renderer
// Base class for android render streams.

class AndroidStream : public VideoRenderCallback {
 public:
  // DeliverFrame is called from a thread connected to the Java VM.
  // Used for Delivering frame for rendering.
  virtual void DeliverFrame(JNIEnv* jniEnv)=0;

  virtual ~AndroidStream() {};
};

class VideoRenderAndroid: IVideoRender {
 public:
  VideoRenderAndroid(const int32_t id,
                     const VideoRenderType videoRenderType,
                     void* window,
                     const bool fullscreen);

  virtual ~VideoRenderAndroid();

  virtual int32_t Init()=0;

  virtual int32_t ChangeUniqueId(const int32_t id);

  virtual int32_t ChangeWindow(void* window);

  virtual VideoRenderCallback* AddIncomingRenderStream(
      const uint32_t streamId,
      const uint32_t zOrder,
      const float left, const float top,
      const float right, const float bottom);

  virtual int32_t DeleteIncomingRenderStream(
      const uint32_t streamId);

  virtual int32_t GetIncomingRenderStreamProperties(
      const uint32_t streamId,
      uint32_t& zOrder,
      float& left, float& top,
      float& right, float& bottom) const;

  virtual int32_t StartRender();

  virtual int32_t StopRender();

  virtual void ReDraw();

  // Properties

  virtual VideoRenderType RenderType();

  virtual RawVideoType PerferedVideoType();

  virtual bool FullScreen();

  virtual int32_t GetGraphicsMemory(
      uint64_t& totalGraphicsMemory,
      uint64_t& availableGraphicsMemory) const;

  virtual int32_t GetScreenResolution(
      uint32_t& screenWidth,
      uint32_t& screenHeight) const;

  virtual uint32_t RenderFrameRate(const uint32_t streamId);

  virtual int32_t SetStreamCropping(const uint32_t streamId,
                                    const float left, const float top,
                                    const float right, const float bottom);

  virtual int32_t SetTransparentBackground(const bool enable);

  virtual int32_t ConfigureRenderer(const uint32_t streamId,
                                    const unsigned int zOrder,
                                    const float left, const float top,
                                    const float right, const float bottom);

  virtual int32_t 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 rigth, const float bottom);

  virtual int32_t SetBitmap(const void* bitMap,
                            const uint8_t pictureId,
                            const void* colorKey, const float left,
                            const float top, const float right,
                            const float bottom);
  static JavaVM* g_jvm;

 protected:
  virtual AndroidStream* CreateAndroidRenderChannel(
      int32_t streamId,
      int32_t zOrder,
      const float left,
      const float top,
      const float right,
      const float bottom,
      VideoRenderAndroid& renderer) = 0;

  int32_t _id;
  CriticalSectionWrapper& _critSect;
  VideoRenderType _renderType;
  jobject _ptrWindow;

 private:
  static bool JavaRenderThreadFun(void* obj);
  bool JavaRenderThreadProcess();

  // Map with streams to render.
  typedef std::map<int32_t, AndroidStream*> AndroidStreamMap;
  AndroidStreamMap _streamsMap;
  // True if the _javaRenderThread thread shall be detached from the JVM.
  bool _javaShutDownFlag;
  EventWrapper& _javaShutdownEvent;
  EventWrapper& _javaRenderEvent;
  int64_t _lastJavaRenderEvent;
  JNIEnv* _javaRenderJniEnv; // JNIEnv for the java render thread.
  ThreadWrapper* _javaRenderThread;
};

}  // namespace webrtc

#endif  // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_IMPL_H_