1 /* 2 * libjingle 3 * Copyright 2004 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_BASE_NULLVIDEOFRAME_H_ 29 #define TALK_MEDIA_BASE_NULLVIDEOFRAME_H_ 30 31 #include "talk/media/base/videoframe.h" 32 33 namespace cricket { 34 35 // Simple subclass for use in mocks. 36 class NullVideoFrame : public VideoFrame { 37 public: 38 virtual bool Reset(uint32 format, int w, int h, int dw, int dh, uint8 *sample, 39 size_t sample_size, size_t pixel_width, 40 size_t pixel_height, int64 elapsed_time, int64 time_stamp, 41 int rotation) { 42 return false; 43 } 44 virtual bool InitToBlack(int w, int h, size_t pixel_width, 45 size_t pixel_height, int64 elapsed_time, 46 int64 time_stamp) { 47 return false; 48 } 49 virtual size_t GetWidth() const { return 0; } 50 virtual size_t GetHeight() const { return 0; } 51 virtual const uint8 *GetYPlane() const { return NULL; } 52 virtual const uint8 *GetUPlane() const { return NULL; } 53 virtual const uint8 *GetVPlane() const { return NULL; } 54 virtual uint8 *GetYPlane() { return NULL; } 55 virtual uint8 *GetUPlane() { return NULL; } 56 virtual uint8 *GetVPlane() { return NULL; } 57 virtual int32 GetYPitch() const { return 0; } 58 virtual int32 GetUPitch() const { return 0; } 59 virtual int32 GetVPitch() const { return 0; } 60 virtual void* GetNativeHandle() const { return NULL; } 61 62 virtual size_t GetPixelWidth() const { return 1; } 63 virtual size_t GetPixelHeight() const { return 1; } 64 virtual int64 GetElapsedTime() const { return 0; } 65 virtual int64 GetTimeStamp() const { return 0; } 66 virtual void SetElapsedTime(int64 elapsed_time) {} 67 virtual void SetTimeStamp(int64 time_stamp) {} 68 virtual int GetRotation() const { return 0; } 69 70 virtual VideoFrame *Copy() const { return NULL; } 71 72 virtual bool MakeExclusive() { return false; } 73 74 virtual size_t CopyToBuffer(uint8 *buffer, size_t size) const { return 0; } 75 76 virtual size_t ConvertToRgbBuffer(uint32 to_fourcc, uint8 *buffer, 77 size_t size, int stride_rgb) const { 78 return 0; 79 } 80 81 virtual void StretchToPlanes( 82 uint8 *y, uint8 *u, uint8 *v, int32 pitchY, int32 pitchU, int32 pitchV, 83 size_t width, size_t height, bool interpolate, bool crop) const {} 84 85 virtual VideoFrame *CreateEmptyFrame(int w, int h, size_t pixel_width, 86 size_t pixel_height, int64 elapsed_time, 87 int64 time_stamp) const { 88 return NULL; 89 } 90 }; 91 92 } // namespace cricket 93 94 #endif // TALK_MEDIA_BASE_NULLVIDEOFRAME_H_ 95