1 /* 2 * libjingle 3 * Copyright 2013 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_WEBRTC_WEBRTCTEXTUREVIDEOFRAME_H_ 29 #define TALK_MEDIA_WEBRTC_WEBRTCTEXTUREVIDEOFRAME_H_ 30 31 #include "talk/base/refcount.h" 32 #include "talk/base/scoped_ref_ptr.h" 33 #include "talk/media/base/videoframe.h" 34 #ifdef USE_WEBRTC_DEV_BRANCH 35 #include "webrtc/common_video/interface/native_handle.h" 36 #else 37 #include "webrtc/common_video/interface/i420_video_frame.h" 38 // Define NativeHandle to an existing type so we don't need to add lots of 39 // USE_WEBRTC_DEV_BRANCH. 40 #define NativeHandle I420VideoFrame 41 #endif 42 43 namespace cricket { 44 45 // A video frame backed by the texture via a native handle. 46 class WebRtcTextureVideoFrame : public VideoFrame { 47 public: 48 WebRtcTextureVideoFrame(webrtc::NativeHandle* handle, int width, int height, 49 int64 elapsed_time, int64 time_stamp); 50 virtual ~WebRtcTextureVideoFrame(); 51 52 // From base class VideoFrame. 53 virtual bool InitToBlack(int w, int h, size_t pixel_width, 54 size_t pixel_height, int64 elapsed_time, 55 int64 time_stamp); 56 virtual bool Reset(uint32 fourcc, int w, int h, int dw, int dh, uint8* sample, 57 size_t sample_size, size_t pixel_width, 58 size_t pixel_height, int64 elapsed_time, int64 time_stamp, 59 int rotation); 60 virtual size_t GetWidth() const { return width_; } 61 virtual size_t GetHeight() const { return height_; } 62 virtual const uint8* GetYPlane() const; 63 virtual const uint8* GetUPlane() const; 64 virtual const uint8* GetVPlane() const; 65 virtual uint8* GetYPlane(); 66 virtual uint8* GetUPlane(); 67 virtual uint8* GetVPlane(); 68 virtual int32 GetYPitch() const; 69 virtual int32 GetUPitch() const; 70 virtual int32 GetVPitch() const; 71 virtual size_t GetPixelWidth() const { return 1; } 72 virtual size_t GetPixelHeight() const { return 1; } 73 virtual int64 GetElapsedTime() const { return elapsed_time_; } 74 virtual int64 GetTimeStamp() const { return time_stamp_; } 75 virtual void SetElapsedTime(int64 elapsed_time) { 76 elapsed_time_ = elapsed_time; 77 } 78 virtual void SetTimeStamp(int64 time_stamp) { time_stamp_ = time_stamp; } 79 virtual int GetRotation() const { return 0; } 80 virtual VideoFrame* Copy() const; 81 virtual bool MakeExclusive(); 82 virtual size_t CopyToBuffer(uint8* buffer, size_t size) const; 83 virtual size_t ConvertToRgbBuffer(uint32 to_fourcc, uint8* buffer, 84 size_t size, int stride_rgb) const; 85 virtual void* GetNativeHandle() const { return handle_.get(); } 86 87 virtual bool CopyToPlanes( 88 uint8* dst_y, uint8* dst_u, uint8* dst_v, 89 int32 dst_pitch_y, int32 dst_pitch_u, int32 dst_pitch_v) const; 90 virtual void CopyToFrame(VideoFrame* target) const; 91 virtual talk_base::StreamResult Write(talk_base::StreamInterface* stream, 92 int* error); 93 virtual void StretchToPlanes( 94 uint8* y, uint8* u, uint8* v, int32 pitchY, int32 pitchU, int32 pitchV, 95 size_t width, size_t height, bool interpolate, bool crop) const; 96 virtual size_t StretchToBuffer(size_t w, size_t h, uint8* buffer, size_t size, 97 bool interpolate, bool crop) const; 98 virtual void StretchToFrame(VideoFrame* target, bool interpolate, 99 bool crop) const; 100 virtual VideoFrame* Stretch(size_t w, size_t h, bool interpolate, 101 bool crop) const; 102 virtual bool SetToBlack(); 103 104 protected: 105 virtual VideoFrame* CreateEmptyFrame(int w, int h, size_t pixel_width, 106 size_t pixel_height, int64 elapsed_time, 107 int64 time_stamp) const; 108 109 private: 110 // The handle of the underlying video frame. 111 talk_base::scoped_refptr<webrtc::NativeHandle> handle_; 112 int width_; 113 int height_; 114 int64 elapsed_time_; 115 int64 time_stamp_; 116 }; 117 118 } // namespace cricket 119 120 #endif // TALK_MEDIA_WEBRTC_WEBRTCTEXTUREVIDEOFRAME_H_ 121