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 WebRtcVideoFrame : public VideoFrame { 43 public: 44 WebRtcVideoFrame(); 45 ~WebRtcVideoFrame(); 46 47 // Creates a frame from a raw sample with FourCC "format" and size "w" x "h". 48 // "h" can be negative indicating a vertically flipped image. 49 // "dh" is destination height if cropping is desired and is always positive. 50 // Returns "true" if successful. 51 bool Init(uint32 format, int w, int h, int dw, int dh, uint8* sample, 52 size_t sample_size, size_t pixel_width, size_t pixel_height, 53 int64 elapsed_time, int64 time_stamp, int rotation); 54 55 bool Init(const CapturedFrame* frame, int dw, int dh); 56 57 // Aliases this WebRtcVideoFrame to a CapturedFrame. |frame| must outlive 58 // this WebRtcVideoFrame. 59 bool Alias(const CapturedFrame* frame, int dw, int dh); 60 61 bool InitToBlack(int w, int h, size_t pixel_width, size_t pixel_height, 62 int64 elapsed_time, int64 time_stamp); 63 64 // Aliases this WebRtcVideoFrame to a memory buffer. |buffer| must outlive 65 // this WebRtcVideoFrame. 66 void Alias(uint8* buffer, size_t buffer_size, int w, int h, 67 size_t pixel_width, size_t pixel_height, int64 elapsed_time, 68 int64 time_stamp, int rotation); 69 70 webrtc::VideoFrame* frame(); 71 const webrtc::VideoFrame* frame() const; 72 73 // From base class VideoFrame. 74 virtual bool Reset(uint32 format, int w, int h, int dw, int dh, uint8* sample, 75 size_t sample_size, size_t pixel_width, 76 size_t pixel_height, int64 elapsed_time, int64 time_stamp, 77 int rotation); 78 79 virtual size_t GetWidth() const; 80 virtual size_t GetHeight() const; 81 virtual const uint8* GetYPlane() const; 82 virtual const uint8* GetUPlane() const; 83 virtual const uint8* GetVPlane() const; 84 virtual uint8* GetYPlane(); 85 virtual uint8* GetUPlane(); 86 virtual uint8* GetVPlane(); 87 virtual int32 GetYPitch() const { return frame()->Width(); } 88 virtual int32 GetUPitch() const { return (frame()->Width() + 1) / 2; } 89 virtual int32 GetVPitch() const { return (frame()->Width() + 1) / 2; } 90 virtual void* GetNativeHandle() const { return NULL; } 91 92 virtual size_t GetPixelWidth() const { return pixel_width_; } 93 virtual size_t GetPixelHeight() const { return pixel_height_; } 94 virtual int64 GetElapsedTime() const { return elapsed_time_; } 95 virtual int64 GetTimeStamp() const { return time_stamp_; } 96 virtual void SetElapsedTime(int64 elapsed_time) { 97 elapsed_time_ = elapsed_time; 98 } 99 virtual void SetTimeStamp(int64 time_stamp) { time_stamp_ = time_stamp; } 100 101 virtual int GetRotation() const { return rotation_; } 102 103 virtual VideoFrame* Copy() const; 104 virtual bool MakeExclusive(); 105 virtual size_t CopyToBuffer(uint8* buffer, size_t size) const; 106 virtual size_t ConvertToRgbBuffer(uint32 to_fourcc, uint8* buffer, 107 size_t size, int stride_rgb) const; 108 109 private: 110 class FrameBuffer; 111 typedef talk_base::RefCountedObject<FrameBuffer> RefCountedBuffer; 112 113 void Attach(RefCountedBuffer* video_buffer, size_t buffer_size, int w, int h, 114 size_t pixel_width, size_t pixel_height, int64 elapsed_time, 115 int64 time_stamp, int rotation); 116 117 virtual VideoFrame* CreateEmptyFrame(int w, int h, size_t pixel_width, 118 size_t pixel_height, int64 elapsed_time, 119 int64 time_stamp) const; 120 void InitToEmptyBuffer(int w, int h, size_t pixel_width, size_t pixel_height, 121 int64 elapsed_time, int64 time_stamp); 122 123 talk_base::scoped_refptr<RefCountedBuffer> video_buffer_; 124 bool is_black_; 125 size_t pixel_width_; 126 size_t pixel_height_; 127 int64 elapsed_time_; 128 int64 time_stamp_; 129 int rotation_; 130 }; 131 132 } // namespace cricket 133 134 #endif // TALK_MEDIA_WEBRTCVIDEOFRAME_H_ 135
