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7f854bce1f
The simulcast_encoder_adapter expects codecs that specify supports_native_handle to perform resampling/scaling (through GetEncoderInfo). This change adds a method to the RTCVideoEncoder to let objc encoders specify this rather than relying on the default. Bug: webrtc:13044 Change-Id: I2efcbd42aa4f2048285f451c7b691fdeca111e62 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227641 Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Commit-Queue: Peter Hanspers <peterhanspers@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34683}
59 lines
2.3 KiB
Objective-C
59 lines
2.3 KiB
Objective-C
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#import "RTCCodecSpecificInfo.h"
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#import "RTCEncodedImage.h"
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#import "RTCMacros.h"
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#import "RTCVideoEncoderQpThresholds.h"
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#import "RTCVideoEncoderSettings.h"
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#import "RTCVideoFrame.h"
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NS_ASSUME_NONNULL_BEGIN
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/** Callback block for encoder. */
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typedef BOOL (^RTCVideoEncoderCallback)(RTC_OBJC_TYPE(RTCEncodedImage) * frame,
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id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)> info);
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/** Protocol for encoder implementations. */
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RTC_OBJC_EXPORT
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@protocol RTC_OBJC_TYPE
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(RTCVideoEncoder)<NSObject>
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- (void)setCallback:(nullable RTCVideoEncoderCallback)callback;
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- (NSInteger)startEncodeWithSettings:(RTC_OBJC_TYPE(RTCVideoEncoderSettings) *)settings
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numberOfCores:(int)numberOfCores;
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- (NSInteger)releaseEncoder;
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- (NSInteger)encode:(RTC_OBJC_TYPE(RTCVideoFrame) *)frame
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codecSpecificInfo:(nullable id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)>)info
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frameTypes:(NSArray<NSNumber *> *)frameTypes;
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- (int)setBitrate:(uint32_t)bitrateKbit framerate:(uint32_t)framerate;
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- (NSString *)implementationName;
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/** Returns QP scaling settings for encoder. The quality scaler adjusts the resolution in order to
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* keep the QP from the encoded images within the given range. Returning nil from this function
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* disables quality scaling. */
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- (nullable RTC_OBJC_TYPE(RTCVideoEncoderQpThresholds) *)scalingSettings;
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/** Resolutions should be aligned to this value. */
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@property(nonatomic, readonly) NSInteger resolutionAlignment;
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/** If enabled, resolution alignment is applied to all simulcast layers simultaneously so that when
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scaled, all resolutions comply with 'resolutionAlignment'. */
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@property(nonatomic, readonly) BOOL applyAlignmentToAllSimulcastLayers;
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/** If YES, the reciever is expected to resample/scale the source texture to the expected output
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size. */
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@property(nonatomic, readonly) BOOL supportsNativeHandle;
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@end
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NS_ASSUME_NONNULL_END
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