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https://github.com/mollyim/webrtc.git
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fc313dcda6
Bug: webrtc:8401 Change-Id: I8cd4685df3609e8b91a79b19789aadef484138d4 Reviewed-on: https://webrtc-review.googlesource.com/14140 Reviewed-by: Peter Hanspers <peterhanspers@webrtc.org> Commit-Queue: Kári Helgason <kthelgason@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20390}
77 lines
2.7 KiB
Objective-C
77 lines
2.7 KiB
Objective-C
/*
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* Copyright 2017 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import "ARDVideoEncoderFactory.h"
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#import "ARDSettingsModel.h"
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#import "WebRTC/RTCVideoCodec.h"
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#import "WebRTC/RTCVideoCodecH264.h"
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#import "WebRTC/RTCVideoEncoderVP8.h"
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#import "WebRTC/RTCVideoEncoderVP9.h"
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@implementation ARDVideoEncoderFactory
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@synthesize preferredCodec;
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- (id<RTCVideoEncoder>)createEncoder:(RTCVideoCodecInfo *)info {
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if ([info.name isEqualToString:kRTCVideoCodecH264Name]) {
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return [[RTCVideoEncoderH264 alloc] initWithCodecInfo:info];
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} else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) {
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return [RTCVideoEncoderVP8 vp8Encoder];
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} else if ([info.name isEqualToString:kRTCVideoCodecVp9Name]) {
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return [RTCVideoEncoderVP9 vp9Encoder];
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}
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return nil;
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}
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- (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
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NSMutableArray<RTCVideoCodecInfo *> *codecs = [NSMutableArray array];
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NSDictionary<NSString *, NSString *> *constrainedHighParams = @{
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@"profile-level-id" : kRTCLevel31ConstrainedHigh,
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@"level-asymmetry-allowed" : @"1",
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@"packetization-mode" : @"1",
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};
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RTCVideoCodecInfo *constrainedHighInfo =
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[[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name
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parameters:constrainedHighParams];
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[codecs addObject:constrainedHighInfo];
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NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
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@"profile-level-id" : kRTCLevel31ConstrainedBaseline,
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@"level-asymmetry-allowed" : @"1",
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@"packetization-mode" : @"1",
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};
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RTCVideoCodecInfo *constrainedBaselineInfo =
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[[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name
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parameters:constrainedBaselineParams];
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[codecs addObject:constrainedBaselineInfo];
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RTCVideoCodecInfo *vp8Info =
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[[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name parameters:nil];
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[codecs addObject:vp8Info];
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RTCVideoCodecInfo *vp9Info =
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[[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name parameters:nil];
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[codecs addObject:vp9Info];
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NSMutableArray<RTCVideoCodecInfo *> *orderedCodecs = [NSMutableArray array];
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NSUInteger index = [codecs indexOfObject:self.preferredCodec];
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if (index != NSNotFound) {
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[orderedCodecs addObject:[codecs objectAtIndex:index]];
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[codecs removeObjectAtIndex:index];
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}
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[orderedCodecs addObjectsFromArray:codecs];
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return [orderedCodecs copy];
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}
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@end
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