1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEFINES_H_ 12 #define MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEFINES_H_ 13 14 #include "api/video/video_frame.h" 15 #include "modules/include/module_common_types.h" 16 #include "typedefs.h" // NOLINT(build/include) 17 18 #ifdef XP_WIN 19 typedef int pid_t; 20 #endif 21 22 namespace webrtc 23 { 24 // Defines 25 #ifndef NULL 26 #define NULL 0 27 #endif 28 29 enum {kVideoCaptureUniqueNameSize =1024}; //Max unique capture device name length 30 enum {kVideoCaptureProductIdSize =128}; //Max product id length 31 32 struct VideoCaptureCapability 33 { 34 int32_t width; 35 int32_t height; 36 int32_t maxFPS; 37 VideoType videoType; 38 bool interlaced; 39 VideoCaptureCapabilityVideoCaptureCapability40 VideoCaptureCapability() 41 { 42 width = 0; 43 height = 0; 44 maxFPS = 0; 45 videoType = VideoType::kUnknown; 46 interlaced = false; 47 } 48 ; 49 bool operator!=(const VideoCaptureCapability &other) const 50 { 51 if (width != other.width) 52 return true; 53 if (height != other.height) 54 return true; 55 if (maxFPS != other.maxFPS) 56 return true; 57 if (videoType != other.videoType) 58 return true; 59 if (interlaced != other.interlaced) 60 return true; 61 return false; 62 } 63 bool operator==(const VideoCaptureCapability &other) const 64 { 65 return !operator!=(other); 66 } 67 }; 68 69 /* External Capture interface. Returned by Create 70 and implemented by the capture module. 71 */ 72 class VideoCaptureExternal 73 { 74 public: 75 // |capture_time| must be specified in the NTP time format in milliseconds. 76 virtual int32_t IncomingFrame(uint8_t* videoFrame, 77 size_t videoFrameLength, 78 const VideoCaptureCapability& frameInfo, 79 int64_t captureTime = 0) = 0; 80 protected: ~VideoCaptureExternal()81 ~VideoCaptureExternal() {} 82 }; 83 84 85 // Callback class to be implemented by module user 86 class VideoCaptureDataCallback 87 { 88 public: 89 virtual void OnIncomingCapturedFrame(const int32_t id, 90 const VideoFrame& videoFrame) = 0; 91 virtual void OnCaptureDelayChanged(const int32_t id, 92 const int32_t delay) = 0; 93 protected: ~VideoCaptureDataCallback()94 virtual ~VideoCaptureDataCallback(){} 95 }; 96 97 } // namespace webrtc 98 99 #endif // MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEFINES_H_ 100