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/*
* 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
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