Attachment 349551 Details for Bug 189524 – Patch for landing

[patch] Patch for landing

bug-189524-20180912085826.patch (text/plain), 56.29 KB, created by youenn fablet on 2018-09-12 08:58:27 PDT

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Creator: youenn fablet

Created: 2018-09-12 08:58:27 PDT

Size: 56.29 KB

patch

obsolete

>Subversion Revision: 235935
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 50651f68e97b6ac6e5c9e78e2af88bed5e1ff859..2504d91cbff621a5cf49c850f45b0eec3529a439 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,44 @@
>+2018-09-12  Youenn Fablet  <youenn@apple.com>
>+
>+        Split RTCRtpParameters idl and header file
>+        https://bugs.webkit.org/show_bug.cgi?id=189524
>+
>+        Reviewed by Eric Carlson.
>+
>+        This will be easier to manage and will allow to more easily introduce sender/receiver parameters.
>+        No change of behavior.
>+
>+        * CMakeLists.txt:
>+        * DerivedSources.make:
>+        * Modules/mediastream/RTCDegradationPreference.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCDegradationPreference.idl: Added.
>+        * Modules/mediastream/RTCDtxStatus.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCDtxStatus.idl: Added.
>+        * Modules/mediastream/RTCPriorityType.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCPriorityType.idl: Added.
>+        * Modules/mediastream/RTCRtpCodecParameters.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCRtpCodecParameters.idl: Added.
>+        * Modules/mediastream/RTCRtpEncodingParameters.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCRtpEncodingParameters.idl: Added.
>+        * Modules/mediastream/RTCRtpFecParameters.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCRtpFecParameters.idl: Added.
>+        * Modules/mediastream/RTCRtpHeaderExtensionParameters.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCRtpHeaderExtensionParameters.idl: Added.
>+        * Modules/mediastream/RTCRtpParameters.h:
>+        * Modules/mediastream/RTCRtpParameters.idl:
>+        * Modules/mediastream/RTCRtpRtxParameters.h: Copied from Source/WebCore/Modules/mediastream/RTCRtpParameters.h.
>+        * Modules/mediastream/RTCRtpRtxParameters.idl: Added.
>+        * Modules/mediastream/libwebrtc/LibWebRTCUtils.cpp:
>+        (WebCore::toRTCEncodingParameters):
>+        (WebCore::fromRTCEncodingParameters):
>+        (WebCore::toRTCHeaderExtensionParameters):
>+        (WebCore::fromRTCHeaderExtensionParameters):
>+        (WebCore::toRTCCodecParameters):
>+        (WebCore::toRTCRtpParameters):
>+        (WebCore::fromRTCRtpParameters):
>+        * Sources.txt:
>+        * WebCore.xcodeproj/project.pbxproj:
>+
> 2018-09-12  Guillaume Emont  <guijemont@igalia.com>
> 
>         Add IGNORE_WARNING_.* macros
>diff --git a/Source/WebCore/CMakeLists.txt b/Source/WebCore/CMakeLists.txt
>index d46a55cbf1be313a4e28fad4b41dec0c4d0d0413..741be35f9df0e344838e9de971ce85848f0226d7 100644
>--- a/Source/WebCore/CMakeLists.txt
>+++ b/Source/WebCore/CMakeLists.txt
>@@ -306,6 +306,8 @@ set(WebCore_NON_SVG_IDL_FILES
>     Modules/mediastream/RTCDTMFToneChangeEvent.idl
>     Modules/mediastream/RTCDataChannel.idl
>     Modules/mediastream/RTCDataChannelEvent.idl
>+    Modules/mediastream/RTCDegradationPreference.idl
>+    Modules/mediastream/RTCDtxStatus.idl
>     Modules/mediastream/RTCIceCandidate.idl
>     Modules/mediastream/RTCIceConnectionState.idl
>     Modules/mediastream/RTCIceGatheringState.idl
>@@ -317,8 +319,14 @@ set(WebCore_NON_SVG_IDL_FILES
>     Modules/mediastream/RTCPeerConnection.idl
>     Modules/mediastream/RTCPeerConnectionIceEvent.idl
>     Modules/mediastream/RTCPeerConnectionState.idl
>+    Modules/mediastream/RTCPriorityType.idl
>+    Modules/mediastream/RTCRtpCodecParameters.idl
>+    Modules/mediastream/RTCRtpEncodingParameters.idl
>+    Modules/mediastream/RTCRtpFecParameters.idl
>+    Modules/mediastream/RTCRtpHeaderExtensionParameters.idl
>     Modules/mediastream/RTCRtpParameters.idl
>     Modules/mediastream/RTCRtpReceiver.idl
>+    Modules/mediastream/RTCRtpRtxParameters.idl
>     Modules/mediastream/RTCRtpSender.idl
>     Modules/mediastream/RTCRtpTransceiver.idl
>     Modules/mediastream/RTCRtpTransceiverDirection.idl
>diff --git a/Source/WebCore/DerivedSources.make b/Source/WebCore/DerivedSources.make
>index 5db30145aa726f5b3b0ad3accf74720c4a212641..47355fe1e4bfbaf1cb7834d7357a05c7969fee4b 100644
>--- a/Source/WebCore/DerivedSources.make
>+++ b/Source/WebCore/DerivedSources.make
>@@ -230,8 +230,11 @@ JS_BINDING_IDLS = \
>     $(WebCore)/Modules/mediastream/RTCDTMFToneChangeEvent.idl \
>     $(WebCore)/Modules/mediastream/RTCDataChannel.idl \
>     $(WebCore)/Modules/mediastream/RTCDataChannelEvent.idl \
>+    $(WebCore)/Modules/mediastream/RTCDegradationPreference.idl \
>+    $(WebCore)/Modules/mediastream/RTCDtxStatus.idl \
>     $(WebCore)/Modules/mediastream/RTCIceCandidate.idl \
>     $(WebCore)/Modules/mediastream/RTCPeerConnectionIceEvent.idl \
>+    $(WebCore)/Modules/mediastream/RTCPriorityType.idl \
>     $(WebCore)/Modules/mediastream/RTCIceConnectionState.idl \
>     $(WebCore)/Modules/mediastream/RTCIceGatheringState.idl \
>     $(WebCore)/Modules/mediastream/RTCIceServer.idl \
>@@ -241,8 +244,13 @@ JS_BINDING_IDLS = \
>     $(WebCore)/Modules/mediastream/RTCOfferOptions.idl \
>     $(WebCore)/Modules/mediastream/RTCPeerConnection.idl \
>     $(WebCore)/Modules/mediastream/RTCPeerConnectionState.idl \
>+    $(WebCore)/Modules/mediastream/RTCRtpCodecParameters.idl \
>+    $(WebCore)/Modules/mediastream/RTCRtpEncodingParameters.idl \
>+    $(WebCore)/Modules/mediastream/RTCRtpFecParameters.idl \
>+    $(WebCore)/Modules/mediastream/RTCRtpHeaderExtensionParameters.idl \
>     $(WebCore)/Modules/mediastream/RTCRtpParameters.idl \
>     $(WebCore)/Modules/mediastream/RTCRtpReceiver.idl \
>+    $(WebCore)/Modules/mediastream/RTCRtpRtxParameters.idl \
>     $(WebCore)/Modules/mediastream/RTCRtpSender.idl \
>     $(WebCore)/Modules/mediastream/RTCRtpTransceiver.idl \
>     $(WebCore)/Modules/mediastream/RTCRtpTransceiverDirection.idl \
>diff --git a/Source/WebCore/Modules/mediastream/RTCDegradationPreference.h b/Source/WebCore/Modules/mediastream/RTCDegradationPreference.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..793abf97d099dda3ab5bcbef48a0fe5993045e2b
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCDegradationPreference.h
>@@ -0,0 +1,36 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+namespace WebCore {
>+
>+enum class RTCDegradationPreference { MaintainFramerate, MaintainResolution, Balanced };
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCDegradationPreference.idl b/Source/WebCore/Modules/mediastream/RTCDegradationPreference.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..1399fd4a00fe7097a27fd9616dbdee9e33240725
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCDegradationPreference.idl
>@@ -0,0 +1,32 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+] enum RTCDegradationPreference {
>+    "maintain-framerate",
>+    "maintain-resolution",
>+    "balanced"
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCDtxStatus.h b/Source/WebCore/Modules/mediastream/RTCDtxStatus.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..a7177e49b656c71776b78d49d7b3b6ce9c00799e
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCDtxStatus.h
>@@ -0,0 +1,36 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+namespace WebCore {
>+
>+enum class RTCDtxStatus { Disabled, Enabled };
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCDtxStatus.idl b/Source/WebCore/Modules/mediastream/RTCDtxStatus.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..23bd2ab9fa2fbac8784c1e13b3c015c19f2cdc61
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCDtxStatus.idl
>@@ -0,0 +1,31 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+] enum RTCDtxStatus {
>+    "disabled",
>+    "enabled"
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCPriorityType.h b/Source/WebCore/Modules/mediastream/RTCPriorityType.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..45ec3e955f36ef45dd4d8cf55673f3d2a7bb0a4c
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCPriorityType.h
>@@ -0,0 +1,36 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+namespace WebCore {
>+
>+enum class RTCPriorityType { VeryLow, Low, Medium, High };
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCPriorityType.idl b/Source/WebCore/Modules/mediastream/RTCPriorityType.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..d3db0cfbb0e5b034789ac142e46354451f13534b
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCPriorityType.idl
>@@ -0,0 +1,34 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+] enum RTCPriorityType {
>+    "very-low",
>+    "low",
>+    "medium",
>+    "high"
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..61bf76cac811b75f708477cf9fa071f31f815039
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.h
>@@ -0,0 +1,43 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+#include <wtf/text/WTFString.h>
>+
>+namespace WebCore {
>+
>+struct RTCRtpCodecParameters {
>+    unsigned short payloadType { 0 };
>+    String mimeType;
>+    unsigned long clockRate { 0 };
>+    unsigned short channels = 1;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..72281c6a0bc418be88c1ca6bfe1fd0d521d00650
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpCodecParameters.idl
>@@ -0,0 +1,36 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+    JSGenerateToJSObject,
>+] dictionary RTCRtpCodecParameters {
>+    unsigned short payloadType;
>+    DOMString mimeType;
>+    unsigned long clockRate;
>+    unsigned short channels = 1;
>+    // FIXME: Add DOMString sdpFmtpLine;
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..a31a4c59c12149b467eb92a045c0a07ef166dacb
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.h
>@@ -0,0 +1,52 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+#include "RTCDtxStatus.h"
>+#include "RTCPriorityType.h"
>+#include "RTCRtpFecParameters.h"
>+#include "RTCRtpRtxParameters.h"
>+
>+namespace WebCore {
>+
>+struct RTCRtpEncodingParameters {
>+    unsigned long ssrc { 0 };
>+    RTCRtpRtxParameters rtx;
>+    RTCRtpFecParameters fec;
>+    std::optional<RTCDtxStatus> dtx;
>+    bool active { false};
>+    RTCPriorityType priority { RTCPriorityType::Medium };
>+    unsigned long maxBitrate { 0 };
>+    unsigned long maxFramerate { 0 };
>+    String rid;
>+    double scaleResolutionDownBy { 1 };
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..a78e304807f1e8abb8c01e18ee17fd78d8dd30c8
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpEncodingParameters.idl
>@@ -0,0 +1,41 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+    JSGenerateToJSObject,
>+] dictionary RTCRtpEncodingParameters {
>+    unsigned long ssrc;
>+    RTCRtpRtxParameters rtx;
>+    RTCRtpFecParameters fec;
>+    RTCDtxStatus dtx;
>+    boolean active;
>+    RTCPriorityType priority;
>+    unsigned long maxBitrate;
>+    unsigned long maxFramerate;
>+    DOMString rid;
>+    double scaleResolutionDownBy = 1;
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..ab881a3ba4721d412891f10610ee3b7a02906702
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.h
>@@ -0,0 +1,38 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+namespace WebCore {
>+
>+struct RTCRtpFecParameters {
>+    unsigned long ssrc;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..a0927a1a46d2cc977b565051eeecdc912c90dd74
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpFecParameters.idl
>@@ -0,0 +1,32 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+    JSGenerateToJSObject,
>+] dictionary RTCRtpFecParameters {
>+    unsigned long ssrc;
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..d3acf4468d117872e338b24d1489a3ce3a6598e4
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.h
>@@ -0,0 +1,41 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+#include <wtf/text/WTFString.h>
>+
>+namespace WebCore {
>+
>+struct RTCRtpHeaderExtensionParameters {
>+    String uri;
>+    unsigned short id;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..3cb9176a9372468333d5b0068a3d210814074d36
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpHeaderExtensionParameters.idl
>@@ -0,0 +1,34 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+    JSGenerateToJSObject,
>+] dictionary RTCRtpHeaderExtensionParameters {
>+    DOMString uri;
>+    unsigned short id;
>+    // FIXME: Add boolean encrypted;
>+};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpParameters.h
>index 20171b5e8a2f768c7551bfed767b64186589080c..1975c478e26cc7344554237788081e0093451d27 100644
>--- a/Source/WebCore/Modules/mediastream/RTCRtpParameters.h
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpParameters.h
>@@ -27,55 +27,21 @@
> 
> #if ENABLE(WEB_RTC)
> 
>+#include "RTCDegradationPreference.h"
>+#include "RTCRtpCodecParameters.h"
>+#include "RTCRtpEncodingParameters.h"
>+#include "RTCRtpHeaderExtensionParameters.h"
> #include <wtf/Vector.h>
> #include <wtf/text/WTFString.h>
> 
> namespace WebCore {
> 
> struct RTCRtpParameters {
>-
>-    struct FecParameters {
>-        unsigned long ssrc;
>-    };
>-
>-    struct RtxParameters {
>-        unsigned long ssrc;
>-    };
>-
>-    enum class PriorityType { VeryLow, Low, Medium, High };
>-    enum class DegradationPreference { MaintainFramerate, MaintainResolution, Balanced };
>-    enum class DtxStatus { Disabled, Enabled };
>-
>-    struct CodecParameters {
>-        unsigned short payloadType { 0 };
>-        String mimeType;
>-        unsigned long clockRate { 0 };
>-        unsigned short channels = 1;
>-    };
>-
>-    struct EncodingParameters {
>-        unsigned long ssrc { 0 };
>-        RtxParameters rtx;
>-        FecParameters fec;
>-        std::optional<DtxStatus> dtx;
>-        bool active { false};
>-        PriorityType priority { PriorityType::Medium };
>-        unsigned long maxBitrate { 0 };
>-        unsigned long maxFramerate { 0 };
>-        String rid;
>-        double scaleResolutionDownBy { 1 };
>-    };
>-
>-    struct HeaderExtensionParameters {
>-        String uri;
>-        unsigned short id;
>-    };
>-
>     String transactionId;
>-    Vector<EncodingParameters> encodings;
>-    Vector<HeaderExtensionParameters> headerExtensions;
>-    Vector<CodecParameters> codecs;
>-    DegradationPreference degradationPreference = DegradationPreference::Balanced;
>+    Vector<RTCRtpEncodingParameters> encodings;
>+    Vector<RTCRtpHeaderExtensionParameters> headerExtensions;
>+    Vector<RTCRtpCodecParameters> codecs;
>+    RTCDegradationPreference degradationPreference { RTCDegradationPreference::Balanced };
> };
> 
> 
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpParameters.idl
>index 042942e225ce4faf6c9ee7259ec239a9debe2a5c..468b11a81ef114b113066e5de8d525e07207b10e 100644
>--- a/Source/WebCore/Modules/mediastream/RTCRtpParameters.idl
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpParameters.idl
>@@ -1,5 +1,5 @@
> /*
>-* Copyright (C) 2017 Apple Inc. All rights reserved.
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
>@@ -35,92 +35,3 @@
>     sequence<RTCRtpCodecParameters> codecs;
>     RTCDegradationPreference degradationPreference = "balanced";
> };
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-    JSGenerateToJSObject,
>-] dictionary RTCRtpCodecParameters {
>-    unsigned short payloadType;
>-    DOMString mimeType;
>-    unsigned long clockRate;
>-    unsigned short channels = 1;
>-    // FIXME: Add DOMString sdpFmtpLine;
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-    JSGenerateToJSObject,
>-] dictionary RTCRtpEncodingParameters {
>-    unsigned long ssrc;
>-    RTCRtpRtxParameters rtx;
>-    RTCRtpFecParameters fec;
>-    RTCDtxStatus dtx;
>-    boolean active;
>-    RTCPriorityType priority;
>-    unsigned long maxBitrate;
>-    unsigned long maxFramerate;
>-    DOMString rid;
>-    double scaleResolutionDownBy = 1;
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-    JSGenerateToJSObject,
>-] dictionary RTCRtpHeaderExtensionParameters {
>-    DOMString uri;
>-    unsigned short id;
>-    // FIXME: Add boolean encrypted;
>-};
>-
>-//[
>-//    Conditional=WEB_RTC,
>-//    EnabledAtRuntime=PeerConnection,
>-//    JSGenerateToJSObject,
>-//] dictionary RTCRtcpParameters {
>-//    DOMString cname;
>-//    boolean reducedSize;
>-//};
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-    JSGenerateToJSObject,
>-] dictionary RTCRtpFecParameters {
>-    unsigned long ssrc;
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-    JSGenerateToJSObject,
>-] dictionary RTCRtpRtxParameters {
>-    unsigned long ssrc;
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-] enum RTCDegradationPreference {
>-    "maintain-framerate",
>-    "maintain-resolution",
>-    "balanced"
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-] enum RTCDtxStatus {
>-    "disabled",
>-    "enabled"
>-};
>-
>-[
>-    Conditional=WEB_RTC,
>-    EnabledAtRuntime=PeerConnection,
>-] enum RTCPriorityType {
>-    "very-low",
>-    "low",
>-    "medium",
>-    "high"
>-};
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.h b/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..560be7806c5304883f2e4469031be7927b4412e5
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.h
>@@ -0,0 +1,38 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEB_RTC)
>+
>+namespace WebCore {
>+
>+struct RTCRtpRtxParameters {
>+    unsigned long ssrc;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEB_RTC)
>diff --git a/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.idl b/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..b7ea18db7280b3dff21f8092bc78e7f0d835ccdf
>--- /dev/null
>+++ b/Source/WebCore/Modules/mediastream/RTCRtpRtxParameters.idl
>@@ -0,0 +1,32 @@
>+/*
>+* Copyright (C) 2018 Apple Inc. All rights reserved.
>+*
>+* Redistribution and use in source and binary forms, with or without
>+* modification, are permitted provided that the following conditions
>+* are met:
>+* 1. Redistributions of source code must retain the above copyright
>+*    notice, this list of conditions and the following disclaimer.
>+* 2. Redistributions in binary form must reproduce the above copyright
>+*    notice, this list of conditions and the following disclaimer in the
>+*    documentation and/or other materials provided with the distribution.
>+*
>+* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+* THE POSSIBILITY OF SUCH DAMAGE.
>+*/
>+
>+[
>+    Conditional=WEB_RTC,
>+    EnabledAtRuntime=PeerConnection,
>+    JSGenerateToJSObject,
>+] dictionary RTCRtpRtxParameters {
>+    unsigned long ssrc;
>+};
>diff --git a/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCUtils.cpp b/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCUtils.cpp
>index 1713b638076c0dd180abade8cb3c8fa35093dee9..08ce22b269681b5178d5d5809c9a52d93fbb065d 100644
>--- a/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCUtils.cpp
>+++ b/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCUtils.cpp
>@@ -41,9 +41,9 @@ ALLOW_UNUSED_PARAMETERS_END
> 
> namespace WebCore {
> 
>-static inline RTCRtpParameters::EncodingParameters toRTCEncodingParameters(const webrtc::RtpEncodingParameters& rtcParameters)
>+static inline RTCRtpEncodingParameters toRTCEncodingParameters(const webrtc::RtpEncodingParameters& rtcParameters)
> {
>-    RTCRtpParameters::EncodingParameters parameters;
>+    RTCRtpEncodingParameters parameters;
> 
>     if (rtcParameters.ssrc)
>         parameters.ssrc = *rtcParameters.ssrc;
>@@ -54,10 +54,10 @@ static inline RTCRtpParameters::EncodingParameters toRTCEncodingParameters(const
>     if (rtcParameters.dtx) {
>         switch (*rtcParameters.dtx) {
>         case webrtc::DtxStatus::DISABLED:
>-            parameters.dtx = RTCRtpParameters::DtxStatus::Disabled;
>+            parameters.dtx = RTCDtxStatus::Disabled;
>             break;
>         case webrtc::DtxStatus::ENABLED:
>-            parameters.dtx = RTCRtpParameters::DtxStatus::Enabled;
>+            parameters.dtx = RTCDtxStatus::Enabled;
>         }
>     }
>     parameters.active = rtcParameters.active;
>@@ -72,16 +72,16 @@ static inline RTCRtpParameters::EncodingParameters toRTCEncodingParameters(const
>     return parameters;
> }
> 
>-static inline webrtc::RtpEncodingParameters fromRTCEncodingParameters(const RTCRtpParameters::EncodingParameters& parameters)
>+static inline webrtc::RtpEncodingParameters fromRTCEncodingParameters(const RTCRtpEncodingParameters& parameters)
> {
>     webrtc::RtpEncodingParameters rtcParameters;
> 
>     if (parameters.dtx) {
>         switch (*parameters.dtx) {
>-        case RTCRtpParameters::DtxStatus::Disabled:
>+        case RTCDtxStatus::Disabled:
>             rtcParameters.dtx = webrtc::DtxStatus::DISABLED;
>             break;
>-        case RTCRtpParameters::DtxStatus::Enabled:
>+        case RTCDtxStatus::Enabled:
>             rtcParameters.dtx = webrtc::DtxStatus::ENABLED;
>         }
>     }
>@@ -97,9 +97,9 @@ static inline webrtc::RtpEncodingParameters fromRTCEncodingParameters(const RTCR
>     return rtcParameters;
> }
> 
>-static inline RTCRtpParameters::HeaderExtensionParameters toRTCHeaderExtensionParameters(const webrtc::RtpHeaderExtensionParameters& rtcParameters)
>+static inline RTCRtpHeaderExtensionParameters toRTCHeaderExtensionParameters(const webrtc::RtpHeaderExtensionParameters& rtcParameters)
> {
>-    RTCRtpParameters::HeaderExtensionParameters parameters;
>+    RTCRtpHeaderExtensionParameters parameters;
> 
>     parameters.uri = fromStdString(rtcParameters.uri);
>     parameters.id = rtcParameters.id;
>@@ -107,7 +107,7 @@ static inline RTCRtpParameters::HeaderExtensionParameters toRTCHeaderExtensionPa
>     return parameters;
> }
> 
>-static inline webrtc::RtpHeaderExtensionParameters fromRTCHeaderExtensionParameters(const RTCRtpParameters::HeaderExtensionParameters& parameters)
>+static inline webrtc::RtpHeaderExtensionParameters fromRTCHeaderExtensionParameters(const RTCRtpHeaderExtensionParameters& parameters)
> {
>     webrtc::RtpHeaderExtensionParameters rtcParameters;
> 
>@@ -117,9 +117,9 @@ static inline webrtc::RtpHeaderExtensionParameters fromRTCHeaderExtensionParamet
>     return rtcParameters;
> }
> 
>-static inline RTCRtpParameters::CodecParameters toRTCCodecParameters(const webrtc::RtpCodecParameters& rtcParameters)
>+static inline RTCRtpCodecParameters toRTCCodecParameters(const webrtc::RtpCodecParameters& rtcParameters)
> {
>-    RTCRtpParameters::CodecParameters parameters;
>+    RTCRtpCodecParameters parameters;
> 
>     parameters.payloadType = rtcParameters.payload_type;
>     parameters.mimeType = fromStdString(rtcParameters.mime_type());
>@@ -147,13 +147,13 @@ RTCRtpParameters toRTCRtpParameters(const webrtc::RtpParameters& rtcParameters)
>     // FIXME: Support DegradationPreference::DISABLED.
>     case webrtc::DegradationPreference::DISABLED:
>     case webrtc::DegradationPreference::MAINTAIN_FRAMERATE:
>-        parameters.degradationPreference = RTCRtpParameters::DegradationPreference::MaintainFramerate;
>+        parameters.degradationPreference = RTCDegradationPreference::MaintainFramerate;
>         break;
>     case webrtc::DegradationPreference::MAINTAIN_RESOLUTION:
>-        parameters.degradationPreference = RTCRtpParameters::DegradationPreference::MaintainResolution;
>+        parameters.degradationPreference = RTCDegradationPreference::MaintainResolution;
>         break;
>     case webrtc::DegradationPreference::BALANCED:
>-        parameters.degradationPreference = RTCRtpParameters::DegradationPreference::Balanced;
>+        parameters.degradationPreference = RTCDegradationPreference::Balanced;
>         break;
>     };
>     return parameters;
>@@ -171,13 +171,13 @@ webrtc::RtpParameters fromRTCRtpParameters(const RTCRtpParameters& parameters)
>     // Codecs parameters are readonly
> 
>     switch (parameters.degradationPreference) {
>-    case RTCRtpParameters::DegradationPreference::MaintainFramerate:
>+    case RTCDegradationPreference::MaintainFramerate:
>         rtcParameters.degradation_preference = webrtc::DegradationPreference::MAINTAIN_FRAMERATE;
>         break;
>-    case RTCRtpParameters::DegradationPreference::MaintainResolution:
>+    case RTCDegradationPreference::MaintainResolution:
>         rtcParameters.degradation_preference = webrtc::DegradationPreference::MAINTAIN_RESOLUTION;
>         break;
>-    case RTCRtpParameters::DegradationPreference::Balanced:
>+    case RTCDegradationPreference::Balanced:
>         rtcParameters.degradation_preference = webrtc::DegradationPreference::BALANCED;
>         break;
>     }
>diff --git a/Source/WebCore/Sources.txt b/Source/WebCore/Sources.txt
>index df90dfc3eb29e44dd14e1360a87ad9238dd09f78..c3a44bf209bdb811c9ee4781a9b930ded863875f 100644
>--- a/Source/WebCore/Sources.txt
>+++ b/Source/WebCore/Sources.txt
>@@ -2863,6 +2863,8 @@ JSRTCDTMFSender.cpp
> JSRTCDTMFToneChangeEvent.cpp
> JSRTCDataChannel.cpp
> JSRTCDataChannelEvent.cpp
>+JSRTCDegradationPreference.cpp
>+JSRTCDtxStatus.cpp
> JSRTCIceCandidate.cpp
> JSRTCIceConnectionState.cpp
> JSRTCIceGatheringState.cpp
>@@ -2874,7 +2876,13 @@ JSRTCOfferOptions.cpp
> JSRTCPeerConnection.cpp
> JSRTCPeerConnectionIceEvent.cpp
> JSRTCPeerConnectionState.cpp
>+JSRTCPriorityType.cpp
>+JSRTCRtpCodecParameters.cpp
>+JSRTCRtpEncodingParameters.cpp
>+JSRTCRtpFecParameters.cpp
>+JSRTCRtpHeaderExtensionParameters.cpp
> JSRTCRtpParameters.cpp
>+JSRTCRtpRtxParameters.cpp
> JSRTCRtpReceiver.cpp
> JSRTCRtpSender.cpp
> JSRTCRtpTransceiver.cpp
>diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>index a3ee8993865f9e67e0386c56a2ce93a6eaaa1cb9..27a71572fa5e37814313fea5c4e31737e7839193 100644
>--- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>@@ -7375,6 +7375,10 @@
> 		41E1B1CB0FF5986900576B3B /* AbstractWorker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AbstractWorker.h; sourceTree = "<group>"; };
> 		41E1B1CC0FF5986900576B3B /* AbstractWorker.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = AbstractWorker.idl; sourceTree = "<group>"; };
> 		41E408381DCB747900EFCE19 /* PeerConnectionBackend.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PeerConnectionBackend.cpp; sourceTree = "<group>"; };
>+		41E593FD214865A900D3CB61 /* RTCPriorityType.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCPriorityType.idl; sourceTree = "<group>"; };
>+		41E593FF214865AA00D3CB61 /* RTCRtpEncodingParameters.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCRtpEncodingParameters.idl; sourceTree = "<group>"; };
>+		41E59400214865AA00D3CB61 /* RTCRtpHeaderExtensionParameters.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCRtpHeaderExtensionParameters.idl; sourceTree = "<group>"; };
>+		41E59401214865AB00D3CB61 /* RTCRtpFecParameters.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCRtpFecParameters.idl; sourceTree = "<group>"; };
> 		41F062120F5F192600A07EAC /* InspectorDatabaseResource.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = InspectorDatabaseResource.h; sourceTree = "<group>"; };
> 		41F062130F5F192600A07EAC /* InspectorDatabaseResource.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InspectorDatabaseResource.cpp; sourceTree = "<group>"; };
> 		41F1D21D0EF35C2A00DA8753 /* ScriptCachedFrameData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ScriptCachedFrameData.h; sourceTree = "<group>"; };
>@@ -7396,6 +7400,18 @@
> 		41FB278F1F34C28200795487 /* WorkerGlobalScopeCaches.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = WorkerGlobalScopeCaches.cpp; sourceTree = "<group>"; };
> 		41FB27991F34CE9C00795487 /* CacheQueryOptions.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = CacheQueryOptions.idl; sourceTree = "<group>"; };
> 		41FB279B1F34CEF000795487 /* CacheQueryOptions.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CacheQueryOptions.h; sourceTree = "<group>"; };
>+		41FCB755214865CF0038ADC6 /* RTCDegradationPreference.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCDegradationPreference.idl; sourceTree = "<group>"; };
>+		41FCB757214865D10038ADC6 /* RTCDtxStatus.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCDtxStatus.idl; sourceTree = "<group>"; };
>+		41FCB758214865D20038ADC6 /* RTCRtpRtxParameters.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCRtpRtxParameters.idl; sourceTree = "<group>"; };
>+		41FCB759214865D30038ADC6 /* RTCRtpCodecParameters.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = RTCRtpCodecParameters.idl; sourceTree = "<group>"; };
>+		41FCB75A214866FD0038ADC6 /* RTCRtpHeaderExtensionParameters.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCRtpHeaderExtensionParameters.h; sourceTree = "<group>"; };
>+		41FCB75B214866FD0038ADC6 /* RTCRtpFecParameters.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCRtpFecParameters.h; sourceTree = "<group>"; };
>+		41FCB75C214866FE0038ADC6 /* RTCPriorityType.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCPriorityType.h; sourceTree = "<group>"; };
>+		41FCB75D214866FE0038ADC6 /* RTCDegradationPreference.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCDegradationPreference.h; sourceTree = "<group>"; };
>+		41FCB75E214866FF0038ADC6 /* RTCDtxStatus.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCDtxStatus.h; sourceTree = "<group>"; };
>+		41FCB75F214866FF0038ADC6 /* RTCRtpCodecParameters.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCRtpCodecParameters.h; sourceTree = "<group>"; };
>+		41FCB760214867000038ADC6 /* RTCRtpRtxParameters.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCRtpRtxParameters.h; sourceTree = "<group>"; };
>+		41FCB761214867000038ADC6 /* RTCRtpEncodingParameters.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RTCRtpEncodingParameters.h; sourceTree = "<group>"; };
> 		427DA71B13735DFA007C57FB /* JSServiceWorkerInternals.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSServiceWorkerInternals.cpp; sourceTree = "<group>"; };
> 		427DA71C13735DFA007C57FB /* JSServiceWorkerInternals.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSServiceWorkerInternals.h; sourceTree = "<group>"; };
> 		43107BE118CC19DE00CC18E8 /* SelectorPseudoTypeMap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SelectorPseudoTypeMap.h; sourceTree = "<group>"; };
>@@ -15130,12 +15146,16 @@
> 				07221B6617CEC32700848E51 /* RTCDataChannelEvent.cpp */,
> 				07221B6717CEC32700848E51 /* RTCDataChannelEvent.h */,
> 				07221B6817CEC32700848E51 /* RTCDataChannelEvent.idl */,
>+				41FCB75D214866FE0038ADC6 /* RTCDegradationPreference.h */,
>+				41FCB755214865CF0038ADC6 /* RTCDegradationPreference.idl */,
> 				07221B6917CEC32700848E51 /* RTCDTMFSender.cpp */,
> 				07221B6A17CEC32700848E51 /* RTCDTMFSender.h */,
> 				07221B6B17CEC32700848E51 /* RTCDTMFSender.idl */,
> 				07221B6C17CEC32700848E51 /* RTCDTMFToneChangeEvent.cpp */,
> 				07221B6D17CEC32700848E51 /* RTCDTMFToneChangeEvent.h */,
> 				07221B6E17CEC32700848E51 /* RTCDTMFToneChangeEvent.idl */,
>+				41FCB75E214866FF0038ADC6 /* RTCDtxStatus.h */,
>+				41FCB757214865D10038ADC6 /* RTCDtxStatus.idl */,
> 				07221B7117CEC32700848E51 /* RTCIceCandidate.cpp */,
> 				07221B7217CEC32700848E51 /* RTCIceCandidate.h */,
> 				07221B7317CEC32700848E51 /* RTCIceCandidate.idl */,
>@@ -15160,12 +15180,24 @@
> 				07221B7617CEC32700848E51 /* RTCPeerConnectionIceEvent.idl */,
> 				5E2C43551BCEE30D0001E2BC /* RTCPeerConnectionInternals.js */,
> 				41A48A9C1E83129100D2AC2D /* RTCPeerConnectionState.idl */,
>+				41FCB75C214866FE0038ADC6 /* RTCPriorityType.h */,
>+				41E593FD214865A900D3CB61 /* RTCPriorityType.idl */,
>+				41FCB75F214866FF0038ADC6 /* RTCRtpCodecParameters.h */,
>+				41FCB759214865D30038ADC6 /* RTCRtpCodecParameters.idl */,
>+				41FCB761214867000038ADC6 /* RTCRtpEncodingParameters.h */,
>+				41E593FF214865AA00D3CB61 /* RTCRtpEncodingParameters.idl */,
>+				41FCB75B214866FD0038ADC6 /* RTCRtpFecParameters.h */,
>+				41E59401214865AB00D3CB61 /* RTCRtpFecParameters.idl */,
>+				41FCB75A214866FD0038ADC6 /* RTCRtpHeaderExtensionParameters.h */,
>+				41E59400214865AA00D3CB61 /* RTCRtpHeaderExtensionParameters.idl */,
> 				41A48AA81E84AF1D00D2AC2D /* RTCRtpParameters.h */,
> 				41A48AA71E84AEEC00D2AC2D /* RTCRtpParameters.idl */,
> 				5E2C43561BCEE30D0001E2BC /* RTCRtpReceiver.cpp */,
> 				5E2C43571BCEE30D0001E2BC /* RTCRtpReceiver.h */,
> 				5E2C43581BCEE30D0001E2BC /* RTCRtpReceiver.idl */,
> 				41D1A048213EDDEB0063FB6B /* RTCRtpReceiverBackend.h */,
>+				41FCB760214867000038ADC6 /* RTCRtpRtxParameters.h */,
>+				41FCB758214865D20038ADC6 /* RTCRtpRtxParameters.idl */,
> 				5E2C43591BCEE30D0001E2BC /* RTCRtpSender.cpp */,
> 				5E2C435A1BCEE30D0001E2BC /* RTCRtpSender.h */,
> 				5E2C435B1BCEE30D0001E2BC /* RTCRtpSender.idl */,
>@@ -21230,15 +21262,15 @@
> 			isa = PBXGroup;
> 			children = (
> 				CDBD3D2B1FE85CBB0012C545 /* AudioConfiguration.h */,
>+				CD0C8B582141C8CA0062F59D /* MediaCapabilitiesInfo.h */,
> 				CDBD3D351FE85CBF0012C545 /* MediaConfiguration.h */,
>-				CDBD3D381FE85CC00012C545 /* MediaDecodingType.h */,
>-				CDBD3D341FE85CBF0012C545 /* VideoConfiguration.h */,
> 				CDBD3D361FE85CC00012C545 /* MediaDecodingConfiguration.h */,
>+				CDBD3D381FE85CC00012C545 /* MediaDecodingType.h */,
> 				CDBD3D371FE85CC00012C545 /* MediaEncodingConfiguration.h */,
> 				CDBD3D3E1FE85CC30012C545 /* MediaEncodingType.h */,
> 				9AC6F02221148F5100CBDA06 /* MediaEngineConfigurationFactory.cpp */,
> 				9AC6F02521148F5400CBDA06 /* MediaEngineConfigurationFactory.h */,
>-				CD0C8B582141C8CA0062F59D /* MediaCapabilitiesInfo.h */,
>+				CDBD3D341FE85CBF0012C545 /* VideoConfiguration.h */,
> 			);
> 			name = mediacapabilities;
> 			sourceTree = "<group>";

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Attachments on bug 189524: 349466 | 349476 | 349480 | 349551