| /* |
| * 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 "RTCDefaultVideoEncoderFactory.h" |
| |
| #import "RTCH264ProfileLevelId.h" |
| #import "RTCVideoEncoderH264.h" |
| #import "api/video_codec/RTCVideoCodecConstants.h" |
| #import "api/video_codec/RTCVideoEncoderVP8.h" |
| #import "base/RTCVideoCodecInfo.h" |
| #if defined(RTC_ENABLE_VP9) |
| #import "api/video_codec/RTCVideoEncoderVP9.h" |
| #endif |
| #if !defined(DISABLE_H265) |
| #import "RTCH265ProfileLevelId.h" |
| #import "RTCVideoEncoderH265.h" |
| #endif |
| |
| @implementation RTCDefaultVideoEncoderFactory { |
| bool _supportsH265; |
| bool _supportsVP9; |
| } |
| |
| - (id)initWithH265:(bool)supportsH265 vp9:(bool)supportsVP9 |
| { |
| self = [super init]; |
| if (self) { |
| _supportsH265 = supportsH265; |
| _supportsVP9 = supportsVP9; |
| } |
| return self; |
| } |
| |
| + (NSArray<RTCVideoCodecInfo *> *)supportedCodecs { |
| return [self supportedCodecsWithH265:true vp9:true]; |
| } |
| |
| + (NSArray<RTCVideoCodecInfo *> *)supportedCodecsWithH265:(bool)supportsH265 vp9:(bool)supportsVP9 { |
| NSDictionary<NSString *, NSString *> *constrainedHighParams = @{ |
| @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedHigh, |
| @"level-asymmetry-allowed" : @"1", |
| @"packetization-mode" : @"1", |
| }; |
| RTCVideoCodecInfo *constrainedHighInfo = |
| [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name |
| parameters:constrainedHighParams]; |
| |
| NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{ |
| @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedBaseline, |
| @"level-asymmetry-allowed" : @"1", |
| @"packetization-mode" : @"1", |
| }; |
| RTCVideoCodecInfo *constrainedBaselineInfo = |
| [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name |
| parameters:constrainedBaselineParams]; |
| |
| NSMutableArray<RTCVideoCodecInfo *> *codecs = [[NSMutableArray alloc] initWithCapacity:5]; |
| |
| [codecs addObject:constrainedHighInfo]; |
| [codecs addObject:constrainedBaselineInfo]; |
| #if !defined(RTC_DISABLE_H265) |
| if (supportsH265) { |
| RTCVideoCodecInfo *h265Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH265Name]; |
| [codecs addObject:h265Info]; |
| } |
| #endif |
| |
| RTCVideoCodecInfo *vp8Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name]; |
| [codecs addObject:vp8Info]; |
| |
| #if defined(RTC_ENABLE_VP9) |
| if (supportsVP9) { |
| RTCVideoCodecInfo *vp9Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name]; |
| [codecs addObject:vp9Info]; |
| } |
| #endif |
| |
| return codecs; |
| } |
| |
| - (id<RTCVideoEncoder>)createEncoder:(RTCVideoCodecInfo *)info { |
| if ([info.name isEqualToString:kRTCVideoCodecH264Name]) { |
| return [[RTCVideoEncoderH264 alloc] initWithCodecInfo:info]; |
| } else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) { |
| return [RTCVideoEncoderVP8 vp8Encoder]; |
| #if defined(RTC_ENABLE_VP9) |
| } else if ([info.name isEqualToString:kRTCVideoCodecVp9Name]) { |
| return [RTCVideoEncoderVP9 vp9Encoder]; |
| #endif |
| #if !defined(DISABLE_H265) |
| } else if (@available(iOS 11, *)) { |
| if ([info.name isEqualToString:kRTCVideoCodecH265Name]) { |
| return [[RTCVideoEncoderH265 alloc] initWithCodecInfo:info]; |
| } |
| #endif |
| } |
| |
| return nil; |
| } |
| |
| - (NSArray<RTCVideoCodecInfo *> *)supportedCodecs { |
| return [[self class] supportedCodecsWithH265:_supportsH265 vp9: _supportsVP9]; |
| } |
| |
| @end |