1 /* 2 * libjingle 3 * Copyright 2011 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TALK_MEDIA_WEBRTCVIDEOFRAME_H_ 29 #define TALK_MEDIA_WEBRTCVIDEOFRAME_H_ 30 31 #include "talk/base/buffer.h" 32 #include "talk/base/refcount.h" 33 #include "talk/base/scoped_ref_ptr.h" 34 #include "talk/media/base/videoframe.h" 35 #include "webrtc/common_types.h" 36 #include "webrtc/modules/interface/module_common_types.h" 37 38 namespace cricket { 39 40 struct CapturedFrame; 41 42 // Class that takes ownership of the frame passed to it. 43 class FrameBuffer { 44 public: 45 FrameBuffer(); 46 explicit FrameBuffer(size_t length); 47 ~FrameBuffer(); 48 49 void SetData(char* data, size_t length); 50 void ReturnData(char** data, size_t* length); 51 char* data(); 52 size_t length() const; 53 54 webrtc::VideoFrame* frame(); 55 const webrtc::VideoFrame* frame() const; 56 57 private: 58 talk_base::scoped_array<char> data_; 59 size_t length_; 60 webrtc::VideoFrame video_frame_; 61 }; 62 63 class WebRtcVideoFrame : public VideoFrame { 64 public: 65 typedef talk_base::RefCountedObject<FrameBuffer> RefCountedBuffer; 66 67 WebRtcVideoFrame(); 68 ~WebRtcVideoFrame(); 69 70 // Creates a frame from a raw sample with FourCC "format" and size "w" x "h". 71 // "h" can be negative indicating a vertically flipped image. 72 // "dh" is destination height if cropping is desired and is always positive. 73 // Returns "true" if successful. 74 bool Init(uint32 format, int w, int h, int dw, int dh, uint8* sample, 75 size_t sample_size, size_t pixel_width, size_t pixel_height, 76 int64 elapsed_time, int64 time_stamp, int rotation); 77 78 bool Init(const CapturedFrame* frame, int dw, int dh); 79 80 bool InitToBlack(int w, int h, size_t pixel_width, size_t pixel_height, 81 int64 elapsed_time, int64 time_stamp); 82 83 void Attach(uint8* buffer, size_t buffer_size, int w, int h, 84 size_t pixel_width, size_t pixel_height, int64 elapsed_time, 85 int64 time_stamp, int rotation); 86 87 void Detach(uint8** data, size_t* length); 88 bool AddWatermark(); 89 webrtc::VideoFrame* frame() { return video_buffer_->frame(); } 90 webrtc::VideoFrame* frame() const { return video_buffer_->frame(); } 91 92 // From base class VideoFrame. 93 virtual bool Reset(uint32 format, int w, int h, int dw, int dh, uint8* sample, 94 size_t sample_size, size_t pixel_width, 95 size_t pixel_height, int64 elapsed_time, int64 time_stamp, 96 int rotation); 97 98 virtual size_t GetWidth() const; 99 virtual size_t GetHeight() const; 100 virtual const uint8* GetYPlane() const; 101 virtual const uint8* GetUPlane() const; 102 virtual const uint8* GetVPlane() const; 103 virtual uint8* GetYPlane(); 104 virtual uint8* GetUPlane(); 105 virtual uint8* GetVPlane(); 106 virtual int32 GetYPitch() const { return frame()->Width(); } 107 virtual int32 GetUPitch() const { return (frame()->Width() + 1) / 2; } 108 virtual int32 GetVPitch() const { return (frame()->Width() + 1) / 2; } 109 virtual void* GetNativeHandle() const { return NULL; } 110 111 virtual size_t GetPixelWidth() const { return pixel_width_; } 112 virtual size_t GetPixelHeight() const { return pixel_height_; } 113 virtual int64 GetElapsedTime() const { return elapsed_time_; } 114 virtual int64 GetTimeStamp() const { return time_stamp_; } 115 virtual void SetElapsedTime(int64 elapsed_time) { 116 elapsed_time_ = elapsed_time; 117 } 118 virtual void SetTimeStamp(int64 time_stamp) { time_stamp_ = time_stamp; } 119 120 virtual int GetRotation() const { return rotation_; } 121 122 virtual VideoFrame* Copy() const; 123 virtual bool MakeExclusive(); 124 virtual size_t CopyToBuffer(uint8* buffer, size_t size) const; 125 virtual size_t ConvertToRgbBuffer(uint32 to_fourcc, uint8* buffer, 126 size_t size, int stride_rgb) const; 127 128 private: 129 void Attach(RefCountedBuffer* video_buffer, size_t buffer_size, int w, int h, 130 size_t pixel_width, size_t pixel_height, int64 elapsed_time, 131 int64 time_stamp, int rotation); 132 133 virtual VideoFrame* CreateEmptyFrame(int w, int h, size_t pixel_width, 134 size_t pixel_height, int64 elapsed_time, 135 int64 time_stamp) const; 136 void InitToEmptyBuffer(int w, int h, size_t pixel_width, size_t pixel_height, 137 int64 elapsed_time, int64 time_stamp); 138 139 talk_base::scoped_refptr<RefCountedBuffer> video_buffer_; 140 bool is_black_; 141 size_t pixel_width_; 142 size_t pixel_height_; 143 int64 elapsed_time_; 144 int64 time_stamp_; 145 int rotation_; 146 }; 147 148 } // namespace cricket 149 150 #endif // TALK_MEDIA_WEBRTCVIDEOFRAME_H_ 151
