133 lines
4.2 KiB
Plaintext
133 lines
4.2 KiB
Plaintext
/*
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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 "TGRTCDefaultVideoEncoderFactory.h"
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#import "RTCH264ProfileLevelId.h"
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#import "TGRTCVideoEncoderH264.h"
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#import "api/video_codec/RTCVideoCodecConstants.h"
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#import "api/video_codec/RTCVideoEncoderVP8.h"
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#import "base/RTCVideoCodecInfo.h"
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#if defined(RTC_ENABLE_VP9)
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#import "api/video_codec/RTCVideoEncoderVP9.h"
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#endif
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#if !defined(DISABLE_H265)
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#import "RTCH265ProfileLevelId.h"
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#import "TGRTCVideoEncoderH265.h"
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#endif
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@implementation TGRTCDefaultVideoEncoderFactory
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@synthesize preferredCodec;
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+ (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
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NSDictionary<NSString *, NSString *> *constrainedHighParams = @{
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@"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedHigh,
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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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NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
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@"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedBaseline,
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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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RTCVideoCodecInfo *vp8Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name];
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#if defined(RTC_ENABLE_VP9)
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RTCVideoCodecInfo *vp9Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name];
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#endif
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#if !defined(DISABLE_H265)
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RTCVideoCodecInfo *h265Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH265Name];
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#endif
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NSMutableArray *result = [[NSMutableArray alloc] initWithArray:@[
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constrainedHighInfo,
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constrainedBaselineInfo,
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vp8Info,
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#if defined(RTC_ENABLE_VP9)
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vp9Info,
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#endif
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]];
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#if !defined(DISABLE_H265)
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#ifdef WEBRTC_IOS
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if (@available(iOS 11.0, *)) {
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if ([[AVAssetExportSession allExportPresets] containsObject:AVAssetExportPresetHEVCHighestQuality]) {
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[result addObject:h265Info];
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}
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}
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#else // WEBRTC_IOS
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if (@available(macOS 10.13, *)) {
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if ([[AVAssetExportSession allExportPresets] containsObject:AVAssetExportPresetHEVCHighestQuality]) {
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[result addObject:h265Info];
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}
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}
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#endif // WEBRTC_IOS
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#endif
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return result;
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}
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- (id<RTCVideoEncoder>)createEncoder:(RTCVideoCodecInfo *)info {
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if ([info.name isEqualToString:kRTCVideoCodecH264Name]) {
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return [[TGRTCVideoEncoderH264 alloc] initWithCodecInfo:info];
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} else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) {
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return [RTCVideoEncoderVP8 vp8Encoder];
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}
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#if defined(RTC_ENABLE_VP9)
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if ([info.name isEqualToString:kRTCVideoCodecVp9Name]) {
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return [RTCVideoEncoderVP9 vp9Encoder];
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}
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#endif
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#if !defined(DISABLE_H265)
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#ifdef WEBRTC_IOS
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if (@available(iOS 11, *)) {
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if ([info.name isEqualToString:kRTCVideoCodecH265Name]) {
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return [[TGRTCVideoEncoderH265 alloc] initWithCodecInfo:info];
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}
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}
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#else // WEBRTC_IOS
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if (@available(macOS 10.13, *)) {
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if ([info.name isEqualToString:kRTCVideoCodecH265Name]) {
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return [[TGRTCVideoEncoderH265 alloc] initWithCodecInfo:info];
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}
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}
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#endif // WEBRTC_IOS
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#endif // !DISABLE_H265
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return nil;
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}
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- (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
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NSMutableArray<RTCVideoCodecInfo *> *codecs = [[[self class] supportedCodecs] mutableCopy];
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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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