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/media/base/videoframe.h" 32 #include "webrtc/base/buffer.h" 33 #include "webrtc/base/refcount.h" 34 #include "webrtc/base/scoped_ref_ptr.h" 35 #include "webrtc/common_types.h" 36 #include "webrtc/common_video/include/video_frame_buffer.h" 37 38 namespace cricket { 39 40 struct CapturedFrame; 41 42 class WebRtcVideoFrame : public VideoFrame { 43 public: 44 WebRtcVideoFrame(); 45 WebRtcVideoFrame(const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer, 46 int64_t time_stamp_ns, 47 webrtc::VideoRotation rotation); 48 49 ~WebRtcVideoFrame(); 50 51 // Creates a frame from a raw sample with FourCC "format" and size "w" x "h". 52 // "h" can be negative indicating a vertically flipped image. 53 // "dh" is destination height if cropping is desired and is always positive. 54 // Returns "true" if successful. 55 bool Init(uint32_t format, 56 int w, 57 int h, 58 int dw, 59 int dh, 60 uint8_t* sample, 61 size_t sample_size, 62 size_t pixel_width, 63 size_t pixel_height, 64 int64_t time_stamp_ns, 65 webrtc::VideoRotation rotation); 66 67 bool Init(const CapturedFrame* frame, int dw, int dh, bool apply_rotation); 68 69 void InitToEmptyBuffer(int w, int h, size_t pixel_width, size_t pixel_height, 70 int64_t time_stamp_ns); 71 72 bool InitToBlack(int w, int h, size_t pixel_width, size_t pixel_height, 73 int64_t time_stamp_ns) override; 74 75 // From base class VideoFrame. 76 bool Reset(uint32_t format, 77 int w, 78 int h, 79 int dw, 80 int dh, 81 uint8_t* sample, 82 size_t sample_size, 83 size_t pixel_width, 84 size_t pixel_height, 85 int64_t time_stamp_ns, 86 webrtc::VideoRotation rotation, 87 bool apply_rotation) override; 88 89 size_t GetWidth() const override; 90 size_t GetHeight() const override; 91 const uint8_t* GetYPlane() const override; 92 const uint8_t* GetUPlane() const override; 93 const uint8_t* GetVPlane() const override; 94 uint8_t* GetYPlane() override; 95 uint8_t* GetUPlane() override; 96 uint8_t* GetVPlane() override; 97 int32_t GetYPitch() const override; 98 int32_t GetUPitch() const override; 99 int32_t GetVPitch() const override; 100 void* GetNativeHandle() const override; 101 rtc::scoped_refptr<webrtc::VideoFrameBuffer> GetVideoFrameBuffer() 102 const override; 103 104 size_t GetPixelWidth() const override { return pixel_width_; } 105 size_t GetPixelHeight() const override { return pixel_height_; } 106 int64_t GetTimeStamp() const override { return time_stamp_ns_; } 107 void SetTimeStamp(int64_t time_stamp_ns) override { 108 time_stamp_ns_ = time_stamp_ns; 109 } 110 111 webrtc::VideoRotation GetVideoRotation() const override { 112 return rotation_; 113 } 114 115 VideoFrame* Copy() const override; 116 bool IsExclusive() const override; 117 bool MakeExclusive() override; 118 size_t ConvertToRgbBuffer(uint32_t to_fourcc, 119 uint8_t* buffer, 120 size_t size, 121 int stride_rgb) const override; 122 123 const VideoFrame* GetCopyWithRotationApplied() const override; 124 125 protected: 126 void SetRotation(webrtc::VideoRotation rotation) override { 127 rotation_ = rotation; 128 } 129 130 private: 131 VideoFrame* CreateEmptyFrame(int w, int h, size_t pixel_width, 132 size_t pixel_height, 133 int64_t time_stamp_ns) const override; 134 135 // An opaque reference counted handle that stores the pixel data. 136 rtc::scoped_refptr<webrtc::VideoFrameBuffer> video_frame_buffer_; 137 size_t pixel_width_; 138 size_t pixel_height_; 139 int64_t time_stamp_ns_; 140 webrtc::VideoRotation rotation_; 141 142 // This is mutable as the calculation is expensive but once calculated, it 143 // remains const. 144 mutable rtc::scoped_ptr<VideoFrame> rotated_frame_; 145 }; 146 147 } // namespace cricket 148 149 #endif // TALK_MEDIA_WEBRTCVIDEOFRAME_H_ 150
