65 lines
2.2 KiB
Mathematica
65 lines
2.2 KiB
Mathematica
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/*
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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 "WebRTC/RTCVideoCodecH264.h"
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#import "WebRTC/RTCVideoEncoderVP8.h"
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#import "WebRTC/RTCVideoEncoderVP9.h"
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static NSString *kLevel31ConstrainedHigh = @"640c1f";
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static NSString *kLevel31ConstrainedBaseline = @"42e01f";
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@implementation ARDVideoEncoderFactory
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- (id<RTCVideoEncoder>)createEncoder:(RTCVideoCodecInfo *)info {
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if ([info.name isEqualToString:@"H264"]) {
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return [[RTCVideoEncoderH264 alloc] initWithCodecInfo:info];
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} else if ([info.name isEqualToString:@"VP8"]) {
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return [RTCVideoEncoderVP8 vp8Encoder];
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} else if ([info.name isEqualToString:@"VP9"]) {
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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" : kLevel31ConstrainedHigh,
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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:@"H264" parameters:constrainedHighParams];
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[codecs addObject:constrainedHighInfo];
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NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
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@"profile-level-id" : kLevel31ConstrainedBaseline,
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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:@"H264" parameters:constrainedBaselineParams];
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[codecs addObject:constrainedBaselineInfo];
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RTCVideoCodecInfo *vp8Info = [[RTCVideoCodecInfo alloc] initWithName:@"VP8" parameters:nil];
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[codecs addObject:vp8Info];
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RTCVideoCodecInfo *vp9Info = [[RTCVideoCodecInfo alloc] initWithName:@"VP9" parameters:nil];
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[codecs addObject:vp9Info];
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return [codecs copy];
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}
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@end
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