Agora C++ API Reference for All Platforms

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NGIAgoraExtensionScreenSource.h
1//
2// Agora SDK
3//
4// Copyright (c) 2021 Agora.io. All rights reserved.
5//
6
7#pragma once // NOLINT(build/header_guard)
8
9#include "AgoraBase.h"
10#include "IAgoraLog.h"
11#include "AgoraRefPtr.h"
12#include "NGIAgoraVideoFrame.h"
13#include "AgoraMediaBase.h"
14#if defined(WEBRTC_IOS)
15#include <coreVideo/CVPixelBuffer.h>
16#endif
17namespace agora {
18namespace rtc {
19
20 struct ScreenCaptureProfilingStatistics {
21 int capture_type;
22 uint32_t captured_frame_width;
23 uint32_t captured_frame_height;
24 uint32_t total_captured_frames;
25 uint64_t per_frame_cap_time_ms;
26 uint64_t per_capture_cpu_cycles;
27 bool capture_mouse_cursor;
28 uint32_t target_fps;
29 uint32_t real_capture_fps;
30 uint32_t capture_out_fps;
31 uint32_t drop_fps;
32
33 ScreenCaptureProfilingStatistics()
34 : capture_type(-1), captured_frame_width(0), captured_frame_height(0),
35 total_captured_frames(0), per_frame_cap_time_ms(0),
36 per_capture_cpu_cycles(0), capture_mouse_cursor(true),
37 target_fps(0), real_capture_fps(0),
38 capture_out_fps(0), drop_fps(0) {}
39};
40
41 class IScreenCaptureSource : public RefCountInterface {
42 public:
43 class Control : public RefCountInterface {
44 public:
45 virtual int postEvent(const char* key, const char* value) = 0;
46 virtual void printLog(commons::LOG_LEVEL level, const char* format, ...) = 0;
47 virtual void printLog(commons::LOG_LEVEL level, const char* fromat, va_list) = 0;
48 virtual int pushAudioFrame(const media::IAudioFrameObserver::AudioFrame& captured_frame) = 0;
49 virtual bool timeToPushVideo() = 0;
50 virtual int pushVideoFrame(const agora::agora_refptr<IVideoFrame>& captured_frame) = 0;
51 virtual agora::agora_refptr<IVideoFrameMemoryPool> getMemoryPool() = 0;
52#if defined(WEBRTC_IOS)
53 virtual int pushVideoFrame(CVPixelBufferRef pixelBuffer, int64_t timestamp_ms, uint32_t rotation) = 0;
54#endif
55#if defined(WEBRTC_WIN)
56 virtual void recycleVideoCache() = 0;
57#endif
58 };
59
60 struct AudioCaptureConfig {
61 uint32_t volume;
62 int sample_rate_hz;
63 int num_channels;
64 AudioCaptureConfig() : volume(0), sample_rate_hz(0), num_channels(0) {}
65 };
66
67#if defined (__ANDROID__) || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) || defined(__OHOS__)
68 struct VideoCaptureConfig {
69 agora::rtc::VideoDimensions dimensions;
70 int frameRate;
71 VideoCaptureConfig()
72 : dimensions(640, 360), frameRate(15) {}
73 };
74#else
75 struct VideoCaptureConfig {
76 #if !defined(__linux__)
77 enum class CapturerMode {
78 kUnspecified = 0,
79 // Mac only
80 kScreenCaptureKit = 10,
81 kCoreGraphic = 11,
82 kAVFoundation = 12,
83 };
84 #endif
85
86 enum CaptureType {
87 CaptureWindow,
88 CaptureScreen,
89 };
90 CaptureType type;
91 Rectangle screen_rect;
92 Rectangle region_offset;
93 int64_t display_id;
94 view_t window_id;
95
96 bool window_focused;
97
98 // Mac only
99 bool disable_avf;
100 bool disable_frame_transparent_check;
101#if !defined(__linux__)
102 CapturerMode capturerMode = CapturerMode::kUnspecified;
103
104 bool captureAudio = false;
105 int audio_channel_count = 2;
106 int audio_sample_rate = 48000;
107 bool excludeCurrentProcessAudio = true;
108#endif
109
110 VideoCaptureConfig()
111 : type(CaptureScreen), screen_rect(), region_offset(), display_id(0), window_id(NULL), window_focused(false), disable_avf(false), disable_frame_transparent_check(false) { }
112 };
113#endif
114
115 struct ScreenSourceListOption {
116 int thumb_width;
117 int thumb_height;
118 int icon_width;
119 int icon_height;
120 bool include_screen;
121 bool unfiltered;
122 bool unskip_system_window;
123 bool ignore_unresponsive;
124 };
125
126 enum CaptureMode {
127 kPull, // SDK needs to poll the captured frame actively
128 kPush // Capture source pushes the captured frame to sdk
129 };
130
131
132 virtual ~IScreenCaptureSource() {}
133
134 virtual int initializeCapture(const agora_refptr<Control>& control) = 0;
135
136 virtual int initVideo(const VideoCaptureConfig& config) = 0;
137 // Start video capture interface for desktop capturing
138 virtual int startVideoCapture(const VideoCaptureConfig& config) = 0;
139 virtual int stopVideoCapture() = 0;
140 virtual int stopVideoCaptureAsync() = 0;
141
142 virtual CaptureMode getVideoCaptureMode() = 0;
143
144 // Implementation of the following interfaces are not mandatory
145 virtual bool isAudioCaptureSupported() {
146 return false;
147 }
148 virtual int startAudioCapture(const AudioCaptureConfig& config) {
149 return -ERR_NOT_SUPPORTED;
150 }
151 virtual int stopAudioCapture() {
152 return -ERR_NOT_SUPPORTED;
153 }
154 virtual int setAudioVolume(uint32_t volume) {
155 return -ERR_NOT_SUPPORTED;
156 }
157 virtual int setFrameRate(int fps) {
158 return -ERR_NOT_SUPPORTED;
159 }
160
161 virtual int setScreenCaptureDimensions(const agora::rtc::VideoDimensions& dimensions) {
162 return -ERR_NOT_SUPPORTED;
163 }
164 virtual int updateCaptureRegion(const agora::rtc::Rectangle& captureRegion) {
165 return -ERR_NOT_SUPPORTED;
166 }
167 virtual int setExcludeWindowList(void* const * handles, int count) {
168 return -ERR_NOT_SUPPORTED;
169 }
170 virtual int captureMouseCursor(bool capture) {
171 return -ERR_NOT_SUPPORTED;
172 }
173 virtual int capture(agora::agora_refptr<IVideoFrame>& frame) {
174 return -ERR_NOT_SUPPORTED;
175 }
176 virtual int getProfilingStats(ScreenCaptureProfilingStatistics& stats) {
177 return -ERR_NOT_SUPPORTED;
178 }
179 virtual int getScreenDimensions(int& width, int& height) {
180 return ERR_NOT_SUPPORTED;
181 }
182 virtual int setProperty(const char* key, const char* json_value) {
183 return -ERR_NOT_SUPPORTED;
184 }
185 virtual int setCustomContext(const char* key, const void* context) {
186 return -ERR_NOT_SUPPORTED;
187 }
188 virtual int getProperty(const char* key, char* json_value, int& length) {
189 return -ERR_NOT_SUPPORTED;
190 }
191 virtual int setHighLight(bool isHighLight, unsigned int color, int width) {
192 return -ERR_NOT_SUPPORTED;
193 }
194 virtual int setContentType(int contentType) {
195 return -ERR_NOT_SUPPORTED;
196 }
197 virtual void* getCustomContext(const char* key) {
198 return NULL;
199 }
200 virtual void* getScreenCaptureSources(const ScreenSourceListOption& option) {
201 return NULL;
202 }
203 virtual void setFrameCopy(bool frameCopy) {};
204#if defined(WEBRTC_ANDROID) && !defined(RTC_EXCLUDE_JAVA)
205 virtual void setSmoothCapture(bool smoothCapture) {};
206 virtual void setResetVitualDisplay(bool reset) {};
207#endif
208#if defined(WEBRTC_ANDROID)
209 virtual int setExternalMediaProjection(void* mediaProjection) {
210 return -ERR_NOT_SUPPORTED;
211 }
212#endif
213};
214
215} // namespace rtc
216} // namespace agora
agora::RefCountInterface
Definition AgoraRefPtr.h:31
agora::agora_refptr
Definition AgoraRefPtr.h:44
agora::rtc::IScreenCaptureSource::Control
Definition NGIAgoraExtensionScreenSource.h:43
agora::rtc::IScreenCaptureSource::Control::recycleVideoCache
virtual void recycleVideoCache()=0
agora::rtc::IScreenCaptureSource::Control::pushVideoFrame
virtual int pushVideoFrame(CVPixelBufferRef pixelBuffer, int64_t timestamp_ms, uint32_t rotation)=0
agora::rtc::IScreenCaptureSource::Control::getMemoryPool
virtual agora::agora_refptr< IVideoFrameMemoryPool > getMemoryPool()=0
agora::rtc::IScreenCaptureSource::Control::printLog
virtual void printLog(commons::LOG_LEVEL level, const char *fromat, va_list)=0
agora::rtc::IScreenCaptureSource::Control::postEvent
virtual int postEvent(const char *key, const char *value)=0
agora::rtc::IScreenCaptureSource::Control::printLog
virtual void printLog(commons::LOG_LEVEL level, const char *format,...)=0
agora::rtc::IScreenCaptureSource::Control::pushAudioFrame
virtual int pushAudioFrame(const media::IAudioFrameObserver::AudioFrame &captured_frame)=0
agora::rtc::IScreenCaptureSource::Control::timeToPushVideo
virtual bool timeToPushVideo()=0
agora::rtc::IScreenCaptureSource::Control::pushVideoFrame
virtual int pushVideoFrame(const agora::agora_refptr< IVideoFrame > &captured_frame)=0
agora::rtc::IScreenCaptureSource
Definition NGIAgoraExtensionScreenSource.h:41
agora::rtc::IScreenCaptureSource::setExternalMediaProjection
virtual int setExternalMediaProjection(void *mediaProjection)
Definition NGIAgoraExtensionScreenSource.h:209
agora::rtc::IScreenCaptureSource::~IScreenCaptureSource
virtual ~IScreenCaptureSource()
Definition NGIAgoraExtensionScreenSource.h:132
agora::rtc::IScreenCaptureSource::setProperty
virtual int setProperty(const char *key, const char *json_value)
Definition NGIAgoraExtensionScreenSource.h:182
agora::rtc::IScreenCaptureSource::setResetVitualDisplay
virtual void setResetVitualDisplay(bool reset)
Definition NGIAgoraExtensionScreenSource.h:206
agora::rtc::IScreenCaptureSource::stopVideoCaptureAsync
virtual int stopVideoCaptureAsync()=0
agora::rtc::IScreenCaptureSource::initVideo
virtual int initVideo(const VideoCaptureConfig &config)=0
agora::rtc::IScreenCaptureSource::startAudioCapture
virtual int startAudioCapture(const AudioCaptureConfig &config)
Definition NGIAgoraExtensionScreenSource.h:148
agora::rtc::IScreenCaptureSource::getProperty
virtual int getProperty(const char *key, char *json_value, int &length)
Definition NGIAgoraExtensionScreenSource.h:188
agora::rtc::IScreenCaptureSource::updateCaptureRegion
virtual int updateCaptureRegion(const agora::rtc::Rectangle &captureRegion)
Definition NGIAgoraExtensionScreenSource.h:164
agora::rtc::IScreenCaptureSource::capture
virtual int capture(agora::agora_refptr< IVideoFrame > &frame)
Definition NGIAgoraExtensionScreenSource.h:173
agora::rtc::IScreenCaptureSource::CaptureMode
CaptureMode
Definition NGIAgoraExtensionScreenSource.h:126
agora::rtc::IScreenCaptureSource::kPush
@ kPush
Definition NGIAgoraExtensionScreenSource.h:128
agora::rtc::IScreenCaptureSource::kPull
@ kPull
Definition NGIAgoraExtensionScreenSource.h:127
agora::rtc::IScreenCaptureSource::getScreenDimensions
virtual int getScreenDimensions(int &width, int &height)
Definition NGIAgoraExtensionScreenSource.h:179
agora::rtc::IScreenCaptureSource::getVideoCaptureMode
virtual CaptureMode getVideoCaptureMode()=0
agora::rtc::IScreenCaptureSource::captureMouseCursor
virtual int captureMouseCursor(bool capture)
Definition NGIAgoraExtensionScreenSource.h:170
agora::rtc::IScreenCaptureSource::setAudioVolume
virtual int setAudioVolume(uint32_t volume)
Definition NGIAgoraExtensionScreenSource.h:154
agora::rtc::IScreenCaptureSource::stopAudioCapture
virtual int stopAudioCapture()
Definition NGIAgoraExtensionScreenSource.h:151
agora::rtc::IScreenCaptureSource::isAudioCaptureSupported
virtual bool isAudioCaptureSupported()
Definition NGIAgoraExtensionScreenSource.h:145
agora::rtc::IScreenCaptureSource::setFrameCopy
virtual void setFrameCopy(bool frameCopy)
Definition NGIAgoraExtensionScreenSource.h:203
agora::rtc::IScreenCaptureSource::setSmoothCapture
virtual void setSmoothCapture(bool smoothCapture)
Definition NGIAgoraExtensionScreenSource.h:205
agora::rtc::IScreenCaptureSource::setContentType
virtual int setContentType(int contentType)
Definition NGIAgoraExtensionScreenSource.h:194
agora::rtc::IScreenCaptureSource::getProfilingStats
virtual int getProfilingStats(ScreenCaptureProfilingStatistics &stats)
Definition NGIAgoraExtensionScreenSource.h:176
agora::rtc::IScreenCaptureSource::setHighLight
virtual int setHighLight(bool isHighLight, unsigned int color, int width)
Definition NGIAgoraExtensionScreenSource.h:191
agora::rtc::IScreenCaptureSource::startVideoCapture
virtual int startVideoCapture(const VideoCaptureConfig &config)=0
agora::rtc::IScreenCaptureSource::setCustomContext
virtual int setCustomContext(const char *key, const void *context)
Definition NGIAgoraExtensionScreenSource.h:185
agora::rtc::IScreenCaptureSource::setScreenCaptureDimensions
virtual int setScreenCaptureDimensions(const agora::rtc::VideoDimensions &dimensions)
Definition NGIAgoraExtensionScreenSource.h:161
agora::rtc::IScreenCaptureSource::setFrameRate
virtual int setFrameRate(int fps)
Definition NGIAgoraExtensionScreenSource.h:157
agora::rtc::IScreenCaptureSource::getScreenCaptureSources
virtual void * getScreenCaptureSources(const ScreenSourceListOption &option)
Definition NGIAgoraExtensionScreenSource.h:200
agora::rtc::IScreenCaptureSource::initializeCapture
virtual int initializeCapture(const agora_refptr< Control > &control)=0
agora::rtc::IScreenCaptureSource::getCustomContext
virtual void * getCustomContext(const char *key)
Definition NGIAgoraExtensionScreenSource.h:197
agora::rtc::IScreenCaptureSource::stopVideoCapture
virtual int stopVideoCapture()=0
agora::rtc::IScreenCaptureSource::setExcludeWindowList
virtual int setExcludeWindowList(void *const *handles, int count)
Definition NGIAgoraExtensionScreenSource.h:167
agora::commons::LOG_LEVEL
OPTIONAL_ENUM_CLASS LOG_LEVEL
The output log level of the SDK.
Definition IAgoraLog.h:33
agora::rtc
Definition AgoraExtensions.h:5
agora
Definition AgoraAtomicOps.h:21
agora::view_t
void * view_t
Definition AgoraBase.h:850
agora::ERR_NOT_SUPPORTED
@ ERR_NOT_SUPPORTED
Definition AgoraBase.h:488
agora::media::IAudioFrameObserverBase::AudioFrame
Raw audio data.
Definition AgoraMediaBase.h:1429
agora::rtc::IScreenCaptureSource::AudioCaptureConfig
Definition NGIAgoraExtensionScreenSource.h:60
agora::rtc::IScreenCaptureSource::AudioCaptureConfig::num_channels
int num_channels
Definition NGIAgoraExtensionScreenSource.h:63
agora::rtc::IScreenCaptureSource::AudioCaptureConfig::AudioCaptureConfig
AudioCaptureConfig()
Definition NGIAgoraExtensionScreenSource.h:64
agora::rtc::IScreenCaptureSource::AudioCaptureConfig::sample_rate_hz
int sample_rate_hz
Definition NGIAgoraExtensionScreenSource.h:62
agora::rtc::IScreenCaptureSource::AudioCaptureConfig::volume
uint32_t volume
Definition NGIAgoraExtensionScreenSource.h:61
agora::rtc::IScreenCaptureSource::ScreenSourceListOption
Definition NGIAgoraExtensionScreenSource.h:115
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::ignore_unresponsive
bool ignore_unresponsive
Definition NGIAgoraExtensionScreenSource.h:123
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::icon_width
int icon_width
Definition NGIAgoraExtensionScreenSource.h:118
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::icon_height
int icon_height
Definition NGIAgoraExtensionScreenSource.h:119
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::unskip_system_window
bool unskip_system_window
Definition NGIAgoraExtensionScreenSource.h:122
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::unfiltered
bool unfiltered
Definition NGIAgoraExtensionScreenSource.h:121
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::include_screen
bool include_screen
Definition NGIAgoraExtensionScreenSource.h:120
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::thumb_height
int thumb_height
Definition NGIAgoraExtensionScreenSource.h:117
agora::rtc::IScreenCaptureSource::ScreenSourceListOption::thumb_width
int thumb_width
Definition NGIAgoraExtensionScreenSource.h:116
agora::rtc::IScreenCaptureSource::VideoCaptureConfig
Definition NGIAgoraExtensionScreenSource.h:68
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::frameRate
int frameRate
Definition NGIAgoraExtensionScreenSource.h:70
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::disable_avf
bool disable_avf
Definition NGIAgoraExtensionScreenSource.h:99
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CapturerMode
CapturerMode
Definition NGIAgoraExtensionScreenSource.h:77
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CapturerMode::kScreenCaptureKit
@ kScreenCaptureKit
Definition NGIAgoraExtensionScreenSource.h:80
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CapturerMode::kUnspecified
@ kUnspecified
Definition NGIAgoraExtensionScreenSource.h:78
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CapturerMode::kAVFoundation
@ kAVFoundation
Definition NGIAgoraExtensionScreenSource.h:82
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CapturerMode::kCoreGraphic
@ kCoreGraphic
Definition NGIAgoraExtensionScreenSource.h:81
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::region_offset
Rectangle region_offset
Definition NGIAgoraExtensionScreenSource.h:92
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::display_id
int64_t display_id
Definition NGIAgoraExtensionScreenSource.h:93
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::window_id
view_t window_id
Definition NGIAgoraExtensionScreenSource.h:94
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::captureAudio
bool captureAudio
Definition NGIAgoraExtensionScreenSource.h:104
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::VideoCaptureConfig
VideoCaptureConfig()
Definition NGIAgoraExtensionScreenSource.h:71
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::audio_sample_rate
int audio_sample_rate
Definition NGIAgoraExtensionScreenSource.h:106
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CaptureType
CaptureType
Definition NGIAgoraExtensionScreenSource.h:86
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CaptureScreen
@ CaptureScreen
Definition NGIAgoraExtensionScreenSource.h:88
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::CaptureWindow
@ CaptureWindow
Definition NGIAgoraExtensionScreenSource.h:87
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::window_focused
bool window_focused
Definition NGIAgoraExtensionScreenSource.h:96
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::audio_channel_count
int audio_channel_count
Definition NGIAgoraExtensionScreenSource.h:105
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::disable_frame_transparent_check
bool disable_frame_transparent_check
Definition NGIAgoraExtensionScreenSource.h:100
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::capturerMode
CapturerMode capturerMode
Definition NGIAgoraExtensionScreenSource.h:102
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::excludeCurrentProcessAudio
bool excludeCurrentProcessAudio
Definition NGIAgoraExtensionScreenSource.h:107
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::screen_rect
Rectangle screen_rect
Definition NGIAgoraExtensionScreenSource.h:91
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::type
CaptureType type
Definition NGIAgoraExtensionScreenSource.h:90
agora::rtc::IScreenCaptureSource::VideoCaptureConfig::dimensions
agora::rtc::VideoDimensions dimensions
Definition NGIAgoraExtensionScreenSource.h:69
agora::rtc::Rectangle
The location of the target area relative to the screen or window. If you do not set this parameter,...
Definition AgoraBase.h:2342
agora::rtc::ScreenCaptureProfilingStatistics
Definition NGIAgoraExtensionScreenSource.h:20
agora::rtc::ScreenCaptureProfilingStatistics::real_capture_fps
uint32_t real_capture_fps
Definition NGIAgoraExtensionScreenSource.h:29
agora::rtc::ScreenCaptureProfilingStatistics::capture_type
int capture_type
Definition NGIAgoraExtensionScreenSource.h:21
agora::rtc::ScreenCaptureProfilingStatistics::per_frame_cap_time_ms
uint64_t per_frame_cap_time_ms
Definition NGIAgoraExtensionScreenSource.h:25
agora::rtc::ScreenCaptureProfilingStatistics::captured_frame_width
uint32_t captured_frame_width
Definition NGIAgoraExtensionScreenSource.h:22
agora::rtc::ScreenCaptureProfilingStatistics::capture_mouse_cursor
bool capture_mouse_cursor
Definition NGIAgoraExtensionScreenSource.h:27
agora::rtc::ScreenCaptureProfilingStatistics::target_fps
uint32_t target_fps
Definition NGIAgoraExtensionScreenSource.h:28
agora::rtc::ScreenCaptureProfilingStatistics::ScreenCaptureProfilingStatistics
ScreenCaptureProfilingStatistics()
Definition NGIAgoraExtensionScreenSource.h:33
agora::rtc::ScreenCaptureProfilingStatistics::captured_frame_height
uint32_t captured_frame_height
Definition NGIAgoraExtensionScreenSource.h:23
agora::rtc::ScreenCaptureProfilingStatistics::capture_out_fps
uint32_t capture_out_fps
Definition NGIAgoraExtensionScreenSource.h:30
agora::rtc::ScreenCaptureProfilingStatistics::drop_fps
uint32_t drop_fps
Definition NGIAgoraExtensionScreenSource.h:31
agora::rtc::ScreenCaptureProfilingStatistics::total_captured_frames
uint32_t total_captured_frames
Definition NGIAgoraExtensionScreenSource.h:24
agora::rtc::ScreenCaptureProfilingStatistics::per_capture_cpu_cycles
uint64_t per_capture_cpu_cycles
Definition NGIAgoraExtensionScreenSource.h:26
agora::rtc::VideoDimensions
The video dimension.
Definition AgoraBase.h:1166