diff options
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/base')
27 files changed, 1129 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/base/RTCCodecSpecificInfo.h b/third_party/libwebrtc/sdk/objc/base/RTCCodecSpecificInfo.h new file mode 100644 index 0000000000..5e7800e524 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCCodecSpecificInfo.h @@ -0,0 +1,24 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Implement this protocol to pass codec specific info from the encoder. + * Corresponds to webrtc::CodecSpecificInfo. + */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCCodecSpecificInfo)<NSObject> @end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.h b/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.h new file mode 100644 index 0000000000..28529e5906 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.h @@ -0,0 +1,52 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" +#import "RTCVideoFrame.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Represents an encoded frame's type. */ +typedef NS_ENUM(NSUInteger, RTCFrameType) { + RTCFrameTypeEmptyFrame = 0, + RTCFrameTypeAudioFrameSpeech = 1, + RTCFrameTypeAudioFrameCN = 2, + RTCFrameTypeVideoFrameKey = 3, + RTCFrameTypeVideoFrameDelta = 4, +}; + +typedef NS_ENUM(NSUInteger, RTCVideoContentType) { + RTCVideoContentTypeUnspecified, + RTCVideoContentTypeScreenshare, +}; + +/** Represents an encoded frame. Corresponds to webrtc::EncodedImage. */ +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCEncodedImage) : NSObject + +@property(nonatomic, strong) NSData *buffer; +@property(nonatomic, assign) int32_t encodedWidth; +@property(nonatomic, assign) int32_t encodedHeight; +@property(nonatomic, assign) uint32_t timeStamp; +@property(nonatomic, assign) int64_t captureTimeMs; +@property(nonatomic, assign) int64_t ntpTimeMs; +@property(nonatomic, assign) uint8_t flags; +@property(nonatomic, assign) int64_t encodeStartMs; +@property(nonatomic, assign) int64_t encodeFinishMs; +@property(nonatomic, assign) RTCFrameType frameType; +@property(nonatomic, assign) RTCVideoRotation rotation; +@property(nonatomic, strong) NSNumber *qp; +@property(nonatomic, assign) RTCVideoContentType contentType; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.m b/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.m new file mode 100644 index 0000000000..ad8441aabd --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.m @@ -0,0 +1,29 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCEncodedImage.h" + +@implementation RTC_OBJC_TYPE (RTCEncodedImage) + +@synthesize buffer = _buffer; +@synthesize encodedWidth = _encodedWidth; +@synthesize encodedHeight = _encodedHeight; +@synthesize timeStamp = _timeStamp; +@synthesize captureTimeMs = _captureTimeMs; +@synthesize ntpTimeMs = _ntpTimeMs; +@synthesize flags = _flags; +@synthesize encodeStartMs = _encodeStartMs; +@synthesize encodeFinishMs = _encodeFinishMs; +@synthesize frameType = _frameType; +@synthesize rotation = _rotation; +@synthesize qp = _qp; +@synthesize contentType = _contentType; + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCI420Buffer.h b/third_party/libwebrtc/sdk/objc/base/RTCI420Buffer.h new file mode 100644 index 0000000000..b97f05a5ba --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCI420Buffer.h @@ -0,0 +1,22 @@ +/* + * Copyright 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> + +#import "RTCYUVPlanarBuffer.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Protocol for RTCYUVPlanarBuffers containing I420 data */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCI420Buffer)<RTC_OBJC_TYPE(RTCYUVPlanarBuffer)> @end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCLogging.h b/third_party/libwebrtc/sdk/objc/base/RTCLogging.h new file mode 100644 index 0000000000..754945c8f2 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCLogging.h @@ -0,0 +1,67 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +// Subset of rtc::LoggingSeverity. +typedef NS_ENUM(NSInteger, RTCLoggingSeverity) { + RTCLoggingSeverityVerbose, + RTCLoggingSeverityInfo, + RTCLoggingSeverityWarning, + RTCLoggingSeverityError, + RTCLoggingSeverityNone, +}; + +// Wrapper for C++ RTC_LOG(sev) macros. +// Logs the log string to the webrtc logstream for the given severity. +RTC_EXTERN void RTCLogEx(RTCLoggingSeverity severity, NSString* log_string); + +// Wrapper for rtc::LogMessage::LogToDebug. +// Sets the minimum severity to be logged to console. +RTC_EXTERN void RTCSetMinDebugLogLevel(RTCLoggingSeverity severity); + +// Returns the filename with the path prefix removed. +RTC_EXTERN NSString* RTCFileName(const char* filePath); + +// Some convenience macros. + +#define RTCLogString(format, ...) \ + [NSString stringWithFormat:@"(%@:%d %s): " format, RTCFileName(__FILE__), \ + __LINE__, __FUNCTION__, ##__VA_ARGS__] + +#define RTCLogFormat(severity, format, ...) \ + do { \ + NSString* log_string = RTCLogString(format, ##__VA_ARGS__); \ + RTCLogEx(severity, log_string); \ + } while (false) + +#define RTCLogVerbose(format, ...) \ + RTCLogFormat(RTCLoggingSeverityVerbose, format, ##__VA_ARGS__) + +#define RTCLogInfo(format, ...) \ + RTCLogFormat(RTCLoggingSeverityInfo, format, ##__VA_ARGS__) + +#define RTCLogWarning(format, ...) \ + RTCLogFormat(RTCLoggingSeverityWarning, format, ##__VA_ARGS__) + +#define RTCLogError(format, ...) \ + RTCLogFormat(RTCLoggingSeverityError, format, ##__VA_ARGS__) + +#if !defined(NDEBUG) +#define RTCLogDebug(format, ...) RTCLogInfo(format, ##__VA_ARGS__) +#else +#define RTCLogDebug(format, ...) \ + do { \ + } while (false) +#endif + +#define RTCLog(format, ...) RTCLogInfo(format, ##__VA_ARGS__) diff --git a/third_party/libwebrtc/sdk/objc/base/RTCLogging.mm b/third_party/libwebrtc/sdk/objc/base/RTCLogging.mm new file mode 100644 index 0000000000..e8dae02efb --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCLogging.mm @@ -0,0 +1,48 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCLogging.h" + +#include "rtc_base/logging.h" + +rtc::LoggingSeverity RTCGetNativeLoggingSeverity(RTCLoggingSeverity severity) { + switch (severity) { + case RTCLoggingSeverityVerbose: + return rtc::LS_VERBOSE; + case RTCLoggingSeverityInfo: + return rtc::LS_INFO; + case RTCLoggingSeverityWarning: + return rtc::LS_WARNING; + case RTCLoggingSeverityError: + return rtc::LS_ERROR; + case RTCLoggingSeverityNone: + return rtc::LS_NONE; + } +} + +void RTCLogEx(RTCLoggingSeverity severity, NSString* log_string) { + if (log_string.length) { + const char* utf8_string = log_string.UTF8String; + RTC_LOG_V(RTCGetNativeLoggingSeverity(severity)) << utf8_string; + } +} + +void RTCSetMinDebugLogLevel(RTCLoggingSeverity severity) { + rtc::LogMessage::LogToDebug(RTCGetNativeLoggingSeverity(severity)); +} + +NSString* RTCFileName(const char* file_path) { + NSString* ns_file_path = + [[NSString alloc] initWithBytesNoCopy:const_cast<char*>(file_path) + length:strlen(file_path) + encoding:NSUTF8StringEncoding + freeWhenDone:NO]; + return ns_file_path.lastPathComponent; +} diff --git a/third_party/libwebrtc/sdk/objc/base/RTCMacros.h b/third_party/libwebrtc/sdk/objc/base/RTCMacros.h new file mode 100644 index 0000000000..469e3c93bd --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCMacros.h @@ -0,0 +1,62 @@ +/* + * Copyright 2016 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef SDK_OBJC_BASE_RTCMACROS_H_ +#define SDK_OBJC_BASE_RTCMACROS_H_ + +#ifdef WEBRTC_ENABLE_OBJC_SYMBOL_EXPORT + +#if defined(WEBRTC_LIBRARY_IMPL) +#define RTC_OBJC_EXPORT __attribute__((visibility("default"))) +#endif + +#endif // WEBRTC_ENABLE_OBJC_SYMBOL_EXPORT + +#ifndef RTC_OBJC_EXPORT +#define RTC_OBJC_EXPORT +#endif + +// Internal macros used to correctly concatenate symbols. +#define RTC_SYMBOL_CONCAT_HELPER(a, b) a##b +#define RTC_SYMBOL_CONCAT(a, b) RTC_SYMBOL_CONCAT_HELPER(a, b) + +// RTC_OBJC_TYPE_PREFIX +// +// Macro used to prepend a prefix to the API types that are exported with +// RTC_OBJC_EXPORT. +// +// Clients can patch the definition of this macro locally and build +// WebRTC.framework with their own prefix in case symbol clashing is a +// problem. +// +// This macro must only be defined here and not on via compiler flag to +// ensure it has a unique value. +#define RTC_OBJC_TYPE_PREFIX + +// RCT_OBJC_TYPE +// +// Macro used internally to declare API types. Declaring an API type without +// using this macro will not include the declared type in the set of types +// that will be affected by the configurable RTC_OBJC_TYPE_PREFIX. +#define RTC_OBJC_TYPE(type_name) RTC_SYMBOL_CONCAT(RTC_OBJC_TYPE_PREFIX, type_name) + +#if defined(__cplusplus) +#define RTC_EXTERN extern "C" RTC_OBJC_EXPORT +#else +#define RTC_EXTERN extern RTC_OBJC_EXPORT +#endif + +#ifdef __OBJC__ +#define RTC_FWD_DECL_OBJC_CLASS(classname) @class classname +#else +#define RTC_FWD_DECL_OBJC_CLASS(classname) typedef struct objc_object classname +#endif + +#endif // SDK_OBJC_BASE_RTCMACROS_H_ diff --git a/third_party/libwebrtc/sdk/objc/base/RTCMutableI420Buffer.h b/third_party/libwebrtc/sdk/objc/base/RTCMutableI420Buffer.h new file mode 100644 index 0000000000..cde721980b --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCMutableI420Buffer.h @@ -0,0 +1,23 @@ +/* + * Copyright 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> + +#import "RTCI420Buffer.h" +#import "RTCMutableYUVPlanarBuffer.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Extension of the I420 buffer with mutable data access */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCMutableI420Buffer)<RTC_OBJC_TYPE(RTCI420Buffer), RTC_OBJC_TYPE(RTCMutableYUVPlanarBuffer)> @end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCMutableYUVPlanarBuffer.h b/third_party/libwebrtc/sdk/objc/base/RTCMutableYUVPlanarBuffer.h new file mode 100644 index 0000000000..bd14e3bca3 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCMutableYUVPlanarBuffer.h @@ -0,0 +1,28 @@ +/* + * Copyright 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> + +#import "RTCYUVPlanarBuffer.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Extension of the YUV planar data buffer with mutable data access */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCMutableYUVPlanarBuffer)<RTC_OBJC_TYPE(RTCYUVPlanarBuffer)> + + @property(nonatomic, readonly) uint8_t *mutableDataY; +@property(nonatomic, readonly) uint8_t *mutableDataU; +@property(nonatomic, readonly) uint8_t *mutableDataV; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCSSLCertificateVerifier.h b/third_party/libwebrtc/sdk/objc/base/RTCSSLCertificateVerifier.h new file mode 100644 index 0000000000..53da0cceff --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCSSLCertificateVerifier.h @@ -0,0 +1,25 @@ +/* + * Copyright 2022 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +RTC_OBJC_EXPORT @protocol RTC_OBJC_TYPE +(RTCSSLCertificateVerifier)<NSObject> + + /** The certificate to verify */ + - (BOOL)verify : (NSData *)derCertificate; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.h new file mode 100644 index 0000000000..a1ffdcf38e --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.h @@ -0,0 +1,35 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoFrame.h" + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +@class RTC_OBJC_TYPE(RTCVideoCapturer); + +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoCapturerDelegate)<NSObject> - + (void)capturer : (RTC_OBJC_TYPE(RTCVideoCapturer) *)capturer didCaptureVideoFrame + : (RTC_OBJC_TYPE(RTCVideoFrame) *)frame; +@end + +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCVideoCapturer) : NSObject + +@property(nonatomic, weak) id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)> delegate; + +- (instancetype)initWithDelegate:(id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)delegate; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.m b/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.m new file mode 100644 index 0000000000..ca31a731f0 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.m @@ -0,0 +1,24 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoCapturer.h" + +@implementation RTC_OBJC_TYPE (RTCVideoCapturer) + +@synthesize delegate = _delegate; + +- (instancetype)initWithDelegate:(id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)delegate { + if (self = [super init]) { + _delegate = delegate; + } + return self; +} + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.h new file mode 100644 index 0000000000..fa28958f25 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.h @@ -0,0 +1,36 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Holds information to identify a codec. Corresponds to webrtc::SdpVideoFormat. */ +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCVideoCodecInfo) : NSObject <NSCoding> + +- (instancetype)init NS_UNAVAILABLE; + +- (instancetype)initWithName:(NSString *)name; + +- (instancetype)initWithName:(NSString *)name + parameters:(nullable NSDictionary<NSString *, NSString *> *)parameters + NS_DESIGNATED_INITIALIZER; + +- (BOOL)isEqualToCodecInfo:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; + +@property(nonatomic, readonly) NSString *name; +@property(nonatomic, readonly) NSDictionary<NSString *, NSString *> *parameters; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.m b/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.m new file mode 100644 index 0000000000..ce26ae1de3 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.m @@ -0,0 +1,65 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoCodecInfo.h" + +@implementation RTC_OBJC_TYPE (RTCVideoCodecInfo) + +@synthesize name = _name; +@synthesize parameters = _parameters; + +- (instancetype)initWithName:(NSString *)name { + return [self initWithName:name parameters:nil]; +} + +- (instancetype)initWithName:(NSString *)name + parameters:(nullable NSDictionary<NSString *, NSString *> *)parameters { + if (self = [super init]) { + _name = name; + _parameters = (parameters ? parameters : @{}); + } + + return self; +} + +- (BOOL)isEqualToCodecInfo:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { + if (!info || + ![self.name isEqualToString:info.name] || + ![self.parameters isEqualToDictionary:info.parameters]) { + return NO; + } + return YES; +} + +- (BOOL)isEqual:(id)object { + if (self == object) + return YES; + if (![object isKindOfClass:[self class]]) + return NO; + return [self isEqualToCodecInfo:object]; +} + +- (NSUInteger)hash { + return [self.name hash] ^ [self.parameters hash]; +} + +#pragma mark - NSCoding + +- (instancetype)initWithCoder:(NSCoder *)decoder { + return [self initWithName:[decoder decodeObjectForKey:@"name"] + parameters:[decoder decodeObjectForKey:@"parameters"]]; +} + +- (void)encodeWithCoder:(NSCoder *)encoder { + [encoder encodeObject:_name forKey:@"name"]; + [encoder encodeObject:_parameters forKey:@"parameters"]; +} + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoder.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoder.h new file mode 100644 index 0000000000..ccddd42d42 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoder.h @@ -0,0 +1,40 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCCodecSpecificInfo.h" +#import "RTCEncodedImage.h" +#import "RTCMacros.h" +#import "RTCVideoEncoderSettings.h" +#import "RTCVideoFrame.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Callback block for decoder. */ +typedef void (^RTCVideoDecoderCallback)(RTC_OBJC_TYPE(RTCVideoFrame) * frame); + +/** Protocol for decoder implementations. */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoDecoder)<NSObject> + + - (void)setCallback : (RTCVideoDecoderCallback)callback; +- (NSInteger)startDecodeWithNumberOfCores:(int)numberOfCores; +- (NSInteger)releaseDecoder; +- (NSInteger)decode:(RTC_OBJC_TYPE(RTCEncodedImage) *)encodedImage + missingFrames:(BOOL)missingFrames + codecSpecificInfo:(nullable id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)>)info + renderTimeMs:(int64_t)renderTimeMs; +- (NSString *)implementationName; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoderFactory.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoderFactory.h new file mode 100644 index 0000000000..8d90138521 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoDecoderFactory.h @@ -0,0 +1,32 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" +#import "RTCVideoCodecInfo.h" +#import "RTCVideoDecoder.h" + +NS_ASSUME_NONNULL_BEGIN + +/** RTCVideoDecoderFactory is an Objective-C version of webrtc::VideoDecoderFactory. + */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoDecoderFactory)<NSObject> + + - (nullable id<RTC_OBJC_TYPE(RTCVideoDecoder)>)createDecoder + : (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; +- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *) + supportedCodecs; // TODO(andersc): "supportedFormats" instead? + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h new file mode 100644 index 0000000000..2445d432d6 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h @@ -0,0 +1,59 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCCodecSpecificInfo.h" +#import "RTCEncodedImage.h" +#import "RTCMacros.h" +#import "RTCVideoEncoderQpThresholds.h" +#import "RTCVideoEncoderSettings.h" +#import "RTCVideoFrame.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Callback block for encoder. */ +typedef BOOL (^RTCVideoEncoderCallback)(RTC_OBJC_TYPE(RTCEncodedImage) * frame, + id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)> info); + +/** Protocol for encoder implementations. */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoEncoder)<NSObject> + +- (void)setCallback:(nullable RTCVideoEncoderCallback)callback; +- (NSInteger)startEncodeWithSettings:(RTC_OBJC_TYPE(RTCVideoEncoderSettings) *)settings + numberOfCores:(int)numberOfCores; +- (NSInteger)releaseEncoder; +- (NSInteger)encode:(RTC_OBJC_TYPE(RTCVideoFrame) *)frame + codecSpecificInfo:(nullable id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)>)info + frameTypes:(NSArray<NSNumber *> *)frameTypes; +- (int)setBitrate:(uint32_t)bitrateKbit framerate:(uint32_t)framerate; +- (NSString *)implementationName; + +/** Returns QP scaling settings for encoder. The quality scaler adjusts the resolution in order to + * keep the QP from the encoded images within the given range. Returning nil from this function + * disables quality scaling. */ +- (nullable RTC_OBJC_TYPE(RTCVideoEncoderQpThresholds) *)scalingSettings; + +/** Resolutions should be aligned to this value. */ +@property(nonatomic, readonly) NSInteger resolutionAlignment; + +/** If enabled, resolution alignment is applied to all simulcast layers simultaneously so that when + scaled, all resolutions comply with 'resolutionAlignment'. */ +@property(nonatomic, readonly) BOOL applyAlignmentToAllSimulcastLayers; + +/** If YES, the receiver is expected to resample/scale the source texture to the expected output + size. */ +@property(nonatomic, readonly) BOOL supportsNativeHandle; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderFactory.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderFactory.h new file mode 100644 index 0000000000..a73cd77990 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderFactory.h @@ -0,0 +1,52 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" +#import "RTCVideoCodecInfo.h" +#import "RTCVideoEncoder.h" + +NS_ASSUME_NONNULL_BEGIN + +/** RTCVideoEncoderFactory is an Objective-C version of + webrtc::VideoEncoderFactory::VideoEncoderSelector. + */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoEncoderSelector)<NSObject> + + - (void)registerCurrentEncoderInfo : (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; +- (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForBitrate:(NSInteger)bitrate; +- (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForBrokenEncoder; + +@optional +- (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForResolutionChangeBySize:(CGSize)size; + +@end + +/** RTCVideoEncoderFactory is an Objective-C version of webrtc::VideoEncoderFactory. + */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoEncoderFactory)<NSObject> + + - (nullable id<RTC_OBJC_TYPE(RTCVideoEncoder)>)createEncoder + : (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; +- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *) + supportedCodecs; // TODO(andersc): "supportedFormats" instead? + +@optional +- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)implementations; +- (nullable id<RTC_OBJC_TYPE(RTCVideoEncoderSelector)>)encoderSelector; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.h new file mode 100644 index 0000000000..1a6e9e88ab --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.h @@ -0,0 +1,28 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +/** QP thresholds for encoder. Corresponds to webrtc::VideoEncoder::QpThresholds. */ +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCVideoEncoderQpThresholds) : NSObject + +- (instancetype)initWithThresholdsLow:(NSInteger)low high:(NSInteger)high; + +@property(nonatomic, readonly) NSInteger low; +@property(nonatomic, readonly) NSInteger high; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.m b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.m new file mode 100644 index 0000000000..fb7012f44f --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.m @@ -0,0 +1,26 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoEncoderQpThresholds.h" + +@implementation RTC_OBJC_TYPE (RTCVideoEncoderQpThresholds) + +@synthesize low = _low; +@synthesize high = _high; + +- (instancetype)initWithThresholdsLow:(NSInteger)low high:(NSInteger)high { + if (self = [super init]) { + _low = low; + _high = high; + } + return self; +} + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.h new file mode 100644 index 0000000000..ae792eab71 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.h @@ -0,0 +1,42 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +typedef NS_ENUM(NSUInteger, RTCVideoCodecMode) { + RTCVideoCodecModeRealtimeVideo, + RTCVideoCodecModeScreensharing, +}; + +/** Settings for encoder. Corresponds to webrtc::VideoCodec. */ +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCVideoEncoderSettings) : NSObject + +@property(nonatomic, strong) NSString *name; + +@property(nonatomic, assign) unsigned short width; +@property(nonatomic, assign) unsigned short height; + +@property(nonatomic, assign) unsigned int startBitrate; // kilobits/sec. +@property(nonatomic, assign) unsigned int maxBitrate; +@property(nonatomic, assign) unsigned int minBitrate; + +@property(nonatomic, assign) uint32_t maxFramerate; + +@property(nonatomic, assign) unsigned int qpMax; +@property(nonatomic, assign) RTCVideoCodecMode mode; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.m b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.m new file mode 100644 index 0000000000..f66cd2cf77 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.m @@ -0,0 +1,25 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoEncoderSettings.h" + +@implementation RTC_OBJC_TYPE (RTCVideoEncoderSettings) + +@synthesize name = _name; +@synthesize width = _width; +@synthesize height = _height; +@synthesize startBitrate = _startBitrate; +@synthesize maxBitrate = _maxBitrate; +@synthesize minBitrate = _minBitrate; +@synthesize maxFramerate = _maxFramerate; +@synthesize qpMax = _qpMax; +@synthesize mode = _mode; + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.h new file mode 100644 index 0000000000..f5638d27cf --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.h @@ -0,0 +1,86 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> +#import <Foundation/Foundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +typedef NS_ENUM(NSInteger, RTCVideoRotation) { + RTCVideoRotation_0 = 0, + RTCVideoRotation_90 = 90, + RTCVideoRotation_180 = 180, + RTCVideoRotation_270 = 270, +}; + +@protocol RTC_OBJC_TYPE +(RTCVideoFrameBuffer); + +// RTCVideoFrame is an ObjectiveC version of webrtc::VideoFrame. +RTC_OBJC_EXPORT +@interface RTC_OBJC_TYPE (RTCVideoFrame) : NSObject + +/** Width without rotation applied. */ +@property(nonatomic, readonly) int width; + +/** Height without rotation applied. */ +@property(nonatomic, readonly) int height; +@property(nonatomic, readonly) RTCVideoRotation rotation; + +/** Timestamp in nanoseconds. */ +@property(nonatomic, readonly) int64_t timeStampNs; + +/** Timestamp 90 kHz. */ +@property(nonatomic, assign) int32_t timeStamp; + +@property(nonatomic, readonly) id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> buffer; + +- (instancetype)init NS_UNAVAILABLE; +- (instancetype) new NS_UNAVAILABLE; + +/** Initialize an RTCVideoFrame from a pixel buffer, rotation, and timestamp. + * Deprecated - initialize with a RTCCVPixelBuffer instead + */ +- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs + DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead"); + +/** Initialize an RTCVideoFrame from a pixel buffer combined with cropping and + * scaling. Cropping will be applied first on the pixel buffer, followed by + * scaling to the final resolution of scaledWidth x scaledHeight. + */ +- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer + scaledWidth:(int)scaledWidth + scaledHeight:(int)scaledHeight + cropWidth:(int)cropWidth + cropHeight:(int)cropHeight + cropX:(int)cropX + cropY:(int)cropY + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs + DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead"); + +/** Initialize an RTCVideoFrame from a frame buffer, rotation, and timestamp. + */ +- (instancetype)initWithBuffer:(id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>)frameBuffer + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs; + +/** Return a frame that is guaranteed to be I420, i.e. it is possible to access + * the YUV data on it. + */ +- (RTC_OBJC_TYPE(RTCVideoFrame) *)newI420VideoFrame; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.mm b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.mm new file mode 100644 index 0000000000..e162238d73 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.mm @@ -0,0 +1,78 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoFrame.h" + +#import "RTCI420Buffer.h" +#import "RTCVideoFrameBuffer.h" + +@implementation RTC_OBJC_TYPE (RTCVideoFrame) { + RTCVideoRotation _rotation; + int64_t _timeStampNs; +} + +@synthesize buffer = _buffer; +@synthesize timeStamp; + +- (int)width { + return _buffer.width; +} + +- (int)height { + return _buffer.height; +} + +- (RTCVideoRotation)rotation { + return _rotation; +} + +- (int64_t)timeStampNs { + return _timeStampNs; +} + +- (RTC_OBJC_TYPE(RTCVideoFrame) *)newI420VideoFrame { + return [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:[_buffer toI420] + rotation:_rotation + timeStampNs:_timeStampNs]; +} + +- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs { + // Deprecated. + return nil; +} + +- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer + scaledWidth:(int)scaledWidth + scaledHeight:(int)scaledHeight + cropWidth:(int)cropWidth + cropHeight:(int)cropHeight + cropX:(int)cropX + cropY:(int)cropY + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs { + // Deprecated. + return nil; +} + +- (instancetype)initWithBuffer:(id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>)buffer + rotation:(RTCVideoRotation)rotation + timeStampNs:(int64_t)timeStampNs { + if (self = [super init]) { + _buffer = buffer; + _rotation = rotation; + _timeStampNs = timeStampNs; + } + + return self; +} + +@end diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoFrameBuffer.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrameBuffer.h new file mode 100644 index 0000000000..82d057eea0 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoFrameBuffer.h @@ -0,0 +1,32 @@ +/* + * Copyright 2017 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +@protocol RTC_OBJC_TYPE +(RTCI420Buffer); + +// RTCVideoFrameBuffer is an ObjectiveC version of webrtc::VideoFrameBuffer. +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoFrameBuffer)<NSObject> + + @property(nonatomic, readonly) int width; +@property(nonatomic, readonly) int height; + +- (id<RTC_OBJC_TYPE(RTCI420Buffer)>)toI420; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoRenderer.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoRenderer.h new file mode 100644 index 0000000000..0f763295ad --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCVideoRenderer.h @@ -0,0 +1,43 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <Foundation/Foundation.h> +#if TARGET_OS_IPHONE +#import <UIKit/UIKit.h> +#endif + +#import "RTCMacros.h" + +NS_ASSUME_NONNULL_BEGIN + +@class RTC_OBJC_TYPE(RTCVideoFrame); + +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoRenderer)<NSObject> + + /** The size of the frame. */ + - (void)setSize : (CGSize)size; + +/** The frame to be displayed. */ +- (void)renderFrame:(nullable RTC_OBJC_TYPE(RTCVideoFrame) *)frame; + +@end + +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCVideoViewDelegate) + + - (void)videoView : (id<RTC_OBJC_TYPE(RTCVideoRenderer)>)videoView didChangeVideoSize + : (CGSize)size; + +@end + +NS_ASSUME_NONNULL_END diff --git a/third_party/libwebrtc/sdk/objc/base/RTCYUVPlanarBuffer.h b/third_party/libwebrtc/sdk/objc/base/RTCYUVPlanarBuffer.h new file mode 100644 index 0000000000..be01b915f5 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/base/RTCYUVPlanarBuffer.h @@ -0,0 +1,46 @@ +/* + * Copyright 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import <AVFoundation/AVFoundation.h> + +#import "RTCMacros.h" +#import "RTCVideoFrameBuffer.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Protocol for RTCVideoFrameBuffers containing YUV planar data. */ +RTC_OBJC_EXPORT +@protocol RTC_OBJC_TYPE +(RTCYUVPlanarBuffer)<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> + + @property(nonatomic, readonly) int chromaWidth; +@property(nonatomic, readonly) int chromaHeight; +@property(nonatomic, readonly) const uint8_t *dataY; +@property(nonatomic, readonly) const uint8_t *dataU; +@property(nonatomic, readonly) const uint8_t *dataV; +@property(nonatomic, readonly) int strideY; +@property(nonatomic, readonly) int strideU; +@property(nonatomic, readonly) int strideV; + +- (instancetype)initWithWidth:(int)width + height:(int)height + dataY:(const uint8_t *)dataY + dataU:(const uint8_t *)dataU + dataV:(const uint8_t *)dataV; +- (instancetype)initWithWidth:(int)width height:(int)height; +- (instancetype)initWithWidth:(int)width + height:(int)height + strideY:(int)strideY + strideU:(int)strideU + strideV:(int)strideV; + +@end + +NS_ASSUME_NONNULL_END |