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-rw-r--r--third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h b/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoder.h
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index 0000000000..2445d432d6
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+++ 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