diff options
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.m')
-rw-r--r-- | third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.m | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.m b/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.m new file mode 100644 index 0000000000..8de55bde4a --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.m @@ -0,0 +1,102 @@ +/* + * 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 "api/video_codec/RTCVideoEncoderVP9.h" +#import "base/RTCVideoCodecInfo.h" + +#if defined(RTC_USE_LIBAOM_AV1_ENCODER) +#import "api/video_codec/RTCVideoEncoderAV1.h" // nogncheck +#endif + +@implementation RTC_OBJC_TYPE (RTCDefaultVideoEncoderFactory) + +@synthesize preferredCodec; + ++ (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { + NSDictionary<NSString *, NSString *> *constrainedHighParams = @{ + @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedHigh, + @"level-asymmetry-allowed" : @"1", + @"packetization-mode" : @"1", + }; + RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedHighInfo = + [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name + parameters:constrainedHighParams]; + + NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{ + @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedBaseline, + @"level-asymmetry-allowed" : @"1", + @"packetization-mode" : @"1", + }; + RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedBaselineInfo = + [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name + parameters:constrainedBaselineParams]; + + RTC_OBJC_TYPE(RTCVideoCodecInfo) *vp8Info = + [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp8Name]; + + NSMutableArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *result = [@[ + constrainedHighInfo, + constrainedBaselineInfo, + vp8Info, + ] mutableCopy]; + + if ([RTC_OBJC_TYPE(RTCVideoEncoderVP9) isSupported]) { + [result + addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp9Name]]; + } + +#if defined(RTC_USE_LIBAOM_AV1_ENCODER) + [result addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecAv1Name]]; +#endif + + return result; +} + +- (id<RTC_OBJC_TYPE(RTCVideoEncoder)>)createEncoder:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { + if ([info.name isEqualToString:kRTCVideoCodecH264Name]) { + return [[RTC_OBJC_TYPE(RTCVideoEncoderH264) alloc] initWithCodecInfo:info]; + } else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) { + return [RTC_OBJC_TYPE(RTCVideoEncoderVP8) vp8Encoder]; + } else if ([info.name isEqualToString:kRTCVideoCodecVp9Name] && + [RTC_OBJC_TYPE(RTCVideoEncoderVP9) isSupported]) { + return [RTC_OBJC_TYPE(RTCVideoEncoderVP9) vp9Encoder]; + } + +#if defined(RTC_USE_LIBAOM_AV1_ENCODER) + if ([info.name isEqualToString:kRTCVideoCodecAv1Name]) { + return [RTC_OBJC_TYPE(RTCVideoEncoderAV1) av1Encoder]; + } +#endif + + return nil; +} + +- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { + NSMutableArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *codecs = + [[[self class] supportedCodecs] mutableCopy]; + + NSMutableArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *orderedCodecs = [NSMutableArray array]; + NSUInteger index = [codecs indexOfObject:self.preferredCodec]; + if (index != NSNotFound) { + [orderedCodecs addObject:[codecs objectAtIndex:index]]; + [codecs removeObjectAtIndex:index]; + } + [orderedCodecs addObjectsFromArray:codecs]; + + return [orderedCodecs copy]; +} + +@end |