ObjC: Add support for injectable native audio and video codecs
The native interface is added in the private file
webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h.
BUG=webrtc:8093
Review-Url: https://codereview.webrtc.org/3012443002
Cr-Original-Commit-Position: refs/heads/master@{#19576}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: b8853ca8d351864a2396e0bdf677f61ad166a4b6
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index cf31fe9..77b9d39 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -310,6 +310,7 @@
rtc_static_library("peerconnectionfactory_objc") {
sources = [
+ "objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h",
"objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Private.h",
"objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm",
"objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm",
@@ -331,6 +332,8 @@
":videotoolbox_objc",
":videotracksource_objc",
"../api:video_frame_api",
+ "../api/audio_codecs:builtin_audio_decoder_factory",
+ "../api/audio_codecs:builtin_audio_encoder_factory",
"../api/video_codecs:video_codecs_api",
"../media:rtc_audio_video",
"../media:rtc_media_base",
@@ -353,6 +356,7 @@
defines = [ "HAVE_NO_MEDIA" ]
sources = [
+ "objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h",
"objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Private.h",
"objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm",
]
diff --git a/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h b/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h
new file mode 100644
index 0000000..fb3068a
--- /dev/null
+++ b/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Native.h
@@ -0,0 +1,49 @@
+/*
+ * 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 "WebRTC/RTCPeerConnectionFactory.h"
+
+#include "webrtc/rtc_base/scoped_ref_ptr.h"
+
+namespace webrtc {
+
+class AudioEncoderFactory;
+class AudioDecoderFactory;
+
+} // namespace webrtc
+
+namespace cricket {
+
+class WebRtcVideoEncoderFactory;
+class WebRtcVideoDecoderFactory;
+
+} // namespace cricket
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * This class extension exposes methods that work directly with injectable C++ components.
+ */
+@interface RTCPeerConnectionFactory ()
+
+/* Initialize object with injectable native audio/video encoder/decoder factories */
+- (instancetype)initWithNativeAudioEncoderFactory:
+ (rtc::scoped_refptr<webrtc::AudioEncoderFactory>)audioEncoderFactory
+ nativeAudioDecoderFactory:
+ (rtc::scoped_refptr<webrtc::AudioDecoderFactory>)audioDecoderFactory
+ nativeVideoEncoderFactory:
+ (nullable cricket::WebRtcVideoEncoderFactory *)videoEncoderFactory
+ nativeVideoDecoderFactory:
+ (nullable cricket::WebRtcVideoDecoderFactory *)videoDecoderFactory
+ NS_DESIGNATED_INITIALIZER;
+
+@end
+
+NS_ASSUME_NONNULL_END
diff --git a/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm b/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm
index dffacb6..48d788f 100644
--- a/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm
+++ b/sdk/objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm
@@ -8,6 +8,7 @@
* be found in the AUTHORS file in the root of the source tree.
*/
+#import "RTCPeerConnectionFactory+Native.h"
#import "RTCPeerConnectionFactory+Private.h"
#import "NSString+StdString.h"
@@ -22,12 +23,16 @@
#import "WebRTC/RTCLogging.h"
#import "WebRTC/RTCVideoCodecFactory.h"
#ifndef HAVE_NO_MEDIA
+#include "VideoToolbox/objc_video_decoder_factory.h"
+#include "VideoToolbox/objc_video_encoder_factory.h"
#import "WebRTC/RTCVideoCodecH264.h"
+// The no-media version PeerConnectionFactory doesn't depend on these files, but the gn check tool
+// is not smart enough to take the #ifdef into account.
+#include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h" // nogncheck
+#include "webrtc/api/audio_codecs/builtin_audio_encoder_factory.h" // nogncheck
#endif
#include "Video/objcvideotracksource.h"
-#include "VideoToolbox/objc_video_decoder_factory.h"
-#include "VideoToolbox/objc_video_encoder_factory.h"
#include "webrtc/api/videosourceproxy.h"
// Adding the nogncheck to disable the including header check.
// The no-media version PeerConnectionFactory doesn't depend on media related
@@ -47,15 +52,47 @@
- (instancetype)init {
#ifdef HAVE_NO_MEDIA
- return [self initWithEncoderFactory:nil decoderFactory:nil];
+ return [self initWithNativeAudioEncoderFactory:nil
+ nativeAudioDecoderFactory:nil
+ nativeVideoEncoderFactory:nil
+ nativeVideoDecoderFactory:nil];
#else
- return [self initWithEncoderFactory:[[RTCVideoEncoderFactoryH264 alloc] init]
- decoderFactory:[[RTCVideoDecoderFactoryH264 alloc] init]];
+ return [self initWithNativeAudioEncoderFactory:webrtc::CreateBuiltinAudioEncoderFactory()
+ nativeAudioDecoderFactory:webrtc::CreateBuiltinAudioDecoderFactory()
+ nativeVideoEncoderFactory:new webrtc::ObjCVideoEncoderFactory(
+ [[RTCVideoEncoderFactoryH264 alloc] init])
+ nativeVideoDecoderFactory:new webrtc::ObjCVideoDecoderFactory(
+ [[RTCVideoDecoderFactoryH264 alloc] init])];
#endif
}
- (instancetype)initWithEncoderFactory:(nullable id<RTCVideoEncoderFactory>)encoderFactory
decoderFactory:(nullable id<RTCVideoDecoderFactory>)decoderFactory {
+#ifdef HAVE_NO_MEDIA
+ return [self initWithNativeAudioEncoderFactory:nil
+ nativeAudioDecoderFactory:nil
+ nativeVideoEncoderFactory:nil
+ nativeVideoDecoderFactory:nil];
+#else
+ cricket::WebRtcVideoEncoderFactory *native_encoder_factory =
+ encoderFactory ? new webrtc::ObjCVideoEncoderFactory(encoderFactory) : nullptr;
+ cricket::WebRtcVideoDecoderFactory *native_decoder_factory =
+ decoderFactory ? new webrtc::ObjCVideoDecoderFactory(decoderFactory) : nullptr;
+ return [self initWithNativeAudioEncoderFactory:webrtc::CreateBuiltinAudioEncoderFactory()
+ nativeAudioDecoderFactory:webrtc::CreateBuiltinAudioDecoderFactory()
+ nativeVideoEncoderFactory:native_encoder_factory
+ nativeVideoDecoderFactory:native_decoder_factory];
+#endif
+}
+
+- (instancetype)initWithNativeAudioEncoderFactory:
+ (rtc::scoped_refptr<webrtc::AudioEncoderFactory>)audioEncoderFactory
+ nativeAudioDecoderFactory:
+ (rtc::scoped_refptr<webrtc::AudioDecoderFactory>)audioDecoderFactory
+ nativeVideoEncoderFactory:
+ (nullable cricket::WebRtcVideoEncoderFactory *)videoEncoderFactory
+ nativeVideoDecoderFactory:
+ (nullable cricket::WebRtcVideoDecoderFactory *)videoDecoderFactory {
if (self = [super init]) {
_networkThread = rtc::Thread::CreateWithSocketServer();
BOOL result = _networkThread->Start();
@@ -83,23 +120,16 @@
std::unique_ptr<webrtc::CallFactoryInterface>(),
std::unique_ptr<webrtc::RtcEventLogFactoryInterface>());
#else
- cricket::WebRtcVideoEncoderFactory *platform_encoder_factory = nullptr;
- cricket::WebRtcVideoDecoderFactory *platform_decoder_factory = nullptr;
- if (encoderFactory) {
- platform_encoder_factory = new webrtc::ObjCVideoEncoderFactory(encoderFactory);
- }
- if (decoderFactory) {
- platform_decoder_factory = new webrtc::ObjCVideoDecoderFactory(decoderFactory);
- }
-
// Ownership of encoder/decoder factories is passed on to the
// peerconnectionfactory, that handles deleting them.
_nativeFactory = webrtc::CreatePeerConnectionFactory(_networkThread.get(),
_workerThread.get(),
_signalingThread.get(),
- nullptr,
- platform_encoder_factory,
- platform_decoder_factory);
+ nullptr, // audio device module
+ audioEncoderFactory,
+ audioDecoderFactory,
+ videoEncoderFactory,
+ videoDecoderFactory);
#endif
NSAssert(_nativeFactory, @"Failed to initialize PeerConnectionFactory!");
}
diff --git a/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h b/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h
index c29b3c9..42acbfc 100644
--- a/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h
+++ b/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h
@@ -35,8 +35,7 @@
/* Initialize object with injectable video encoder/decoder factories */
- (instancetype)initWithEncoderFactory:(nullable id<RTCVideoEncoderFactory>)encoderFactory
- decoderFactory:(nullable id<RTCVideoDecoderFactory>)decoderFactory
- NS_DESIGNATED_INITIALIZER;
+ decoderFactory:(nullable id<RTCVideoDecoderFactory>)decoderFactory;
/** Initialize an RTCAudioSource with constraints. */
- (RTCAudioSource *)audioSourceWithConstraints:(nullable RTCMediaConstraints *)constraints;