blob: b72296b64f31b0efb45a8bdda639b482afadbda0 [file] [log] [blame]
/*
* 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
@implementation RTCDefaultVideoEncoderFactory
@synthesize preferredCodec;
+ (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
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];
RTCVideoCodecInfo *vp8Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name];
#if defined(RTC_ENABLE_VP9)
RTCVideoCodecInfo *vp9Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name];
#endif
return @[
constrainedHighInfo,
constrainedBaselineInfo,
vp8Info,
#if defined(RTC_ENABLE_VP9)
vp9Info,
#endif
];
}
- (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
}
return nil;
}
- (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
NSMutableArray<RTCVideoCodecInfo *> *codecs = [[[self class] supportedCodecs] mutableCopy];
NSMutableArray<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