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https://github.com/mollyim/webrtc.git
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dd8c16574e
This CL adds a GN build flag to include builtin software codecs (enabled by default). When setting the flag to false, libvpx can also be excluded. The benefit is that the resulting binary is smaller. Replaces https://webrtc-review.googlesource.com/c/src/+/29203 Bug: webrtc:7925 Change-Id: Id330ea8a43169e449ee139eca18e4557cc932e10 Reviewed-on: https://webrtc-review.googlesource.com/36340 Commit-Queue: Anders Carlsson <andersc@webrtc.org> Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21818}
95 lines
3 KiB
Objective-C
95 lines
3 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 "WebRTC/RTCVideoCodecFactory.h"
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#import "WebRTC/RTCVideoCodec.h"
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#import "WebRTC/RTCVideoCodecH264.h"
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#if defined(USE_BUILTIN_SW_CODECS)
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#import "WebRTC/RTCVideoEncoderVP8.h"
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#if !defined(RTC_DISABLE_VP9)
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#import "WebRTC/RTCVideoEncoderVP9.h"
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#endif
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#endif
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@implementation RTCDefaultVideoEncoderFactory
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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" : 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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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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#if defined(USE_BUILTIN_SW_CODECS)
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RTCVideoCodecInfo *vp8Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name];
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#if !defined(RTC_DISABLE_VP9)
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RTCVideoCodecInfo *vp9Info = [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name];
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#endif
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#endif
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return @[
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constrainedHighInfo,
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constrainedBaselineInfo,
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#if defined(USE_BUILTIN_SW_CODECS)
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vp8Info,
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#if !defined(RTC_DISABLE_VP9)
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vp9Info,
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#endif
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#endif
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];
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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 [[RTCVideoEncoderH264 alloc] initWithCodecInfo:info];
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#if defined(USE_BUILTIN_SW_CODECS)
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} else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) {
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return [RTCVideoEncoderVP8 vp8Encoder];
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#if !defined(RTC_DISABLE_VP9)
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} else if ([info.name isEqualToString:kRTCVideoCodecVp9Name]) {
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return [RTCVideoEncoderVP9 vp9Encoder];
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#endif
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#endif
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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 = [[[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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