1/* 2 * Copyright 2017 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#import "RTCDefaultVideoDecoderFactory.h" 12 13#import "RTCH264ProfileLevelId.h" 14#import "RTCVideoDecoderH264.h" 15#import "api/video_codec/RTCVideoCodecConstants.h" 16#import "api/video_codec/RTCVideoDecoderVP8.h" 17#import "api/video_codec/RTCVideoDecoderVP9.h" 18#import "base/RTCVideoCodecInfo.h" 19 20#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY) 21#import "api/video_codec/RTCVideoDecoderAV1.h" // nogncheck 22#endif 23 24@implementation RTC_OBJC_TYPE (RTCDefaultVideoDecoderFactory) 25 26- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { 27 NSDictionary<NSString *, NSString *> *constrainedHighParams = @{ 28 @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedHigh, 29 @"level-asymmetry-allowed" : @"1", 30 @"packetization-mode" : @"1", 31 }; 32 RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedHighInfo = 33 [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name 34 parameters:constrainedHighParams]; 35 36 NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{ 37 @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedBaseline, 38 @"level-asymmetry-allowed" : @"1", 39 @"packetization-mode" : @"1", 40 }; 41 RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedBaselineInfo = 42 [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name 43 parameters:constrainedBaselineParams]; 44 45 RTC_OBJC_TYPE(RTCVideoCodecInfo) *vp8Info = 46 [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp8Name]; 47 48 NSMutableArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *result = [@[ 49 constrainedHighInfo, 50 constrainedBaselineInfo, 51 vp8Info, 52 ] mutableCopy]; 53 54 if ([RTC_OBJC_TYPE(RTCVideoDecoderVP9) isSupported]) { 55 [result 56 addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp9Name]]; 57 } 58 59#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY) 60 [result addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecAv1Name]]; 61#endif 62 63 return result; 64} 65 66- (id<RTC_OBJC_TYPE(RTCVideoDecoder)>)createDecoder:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { 67 if ([info.name isEqualToString:kRTCVideoCodecH264Name]) { 68 return [[RTC_OBJC_TYPE(RTCVideoDecoderH264) alloc] init]; 69 } else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) { 70 return [RTC_OBJC_TYPE(RTCVideoDecoderVP8) vp8Decoder]; 71 } else if ([info.name isEqualToString:kRTCVideoCodecVp9Name] && 72 [RTC_OBJC_TYPE(RTCVideoDecoderVP9) isSupported]) { 73 return [RTC_OBJC_TYPE(RTCVideoDecoderVP9) vp9Decoder]; 74 } 75 76#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY) 77 if ([info.name isEqualToString:kRTCVideoCodecAv1Name]) { 78 return [RTC_OBJC_TYPE(RTCVideoDecoderAV1) av1Decoder]; 79 } 80#endif 81 82 return nil; 83} 84 85@end 86