mozilla-pipewire-0-3.patch
branchfirefox84
changeset 1152 4cfe46c9a944
parent 1151 8df86bf11fc1
--- a/mozilla-pipewire-0-3.patch	Thu Dec 10 14:36:59 2020 +0100
+++ b/mozilla-pipewire-0-3.patch	Sun Dec 27 10:49:49 2020 +0100
@@ -1,1009 +1,163 @@
-# HG changeset patch
-# Parent  5bd7b491505076dc38ba1efc7c406b9c53ba8389
-
-diff --git a/config/system-headers.mozbuild b/config/system-headers.mozbuild
---- a/config/system-headers.mozbuild
-+++ b/config/system-headers.mozbuild
-@@ -309,16 +309,17 @@ system_headers = [
-     'gdk/gdkkeysyms.h',
-     'gdk/gdkprivate.h',
-     'gdk/gdkwayland.h',
-     'gdk/gdkx.h',
-     'gdk-pixbuf/gdk-pixbuf.h',
-     'Gestalt.h',
-     'getopt.h',
-     'gio/gio.h',
-+    'gio/gunixfdlist.h',
-     'glibconfig.h',
-     'glib.h',
-     'glib-object.h',
-     'glob.h',
-     'gmodule.h',
-     'gnome.h',
-     'gnu/libc-version.h',
-     'gps.h',
-@@ -602,16 +603,17 @@ system_headers = [
-     'pango/pangoxft.h',
-     'pascal.h',
-     'Patches.h',
-     'Path.h',
-     'pcfs/pc_dir.h',
-     'Pgenerr.h',
-     'PGenErr.h',
-     'Ph.h',
-+    'pipewire/pipewire.h',
-     'pixman.h',
-     'pk11func.h',
-     'pk11pqg.h',
-     'pk11priv.h',
-     'pk11pub.h',
-     'pk11sdr.h',
-     'pkcs11f.h',
-     'pkcs11.h',
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/BUILD.gn b/third_party/libwebrtc/webrtc/modules/desktop_capture/BUILD.gn
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/BUILD.gn
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/BUILD.gn
-@@ -153,17 +153,17 @@ if (rtc_include_tests) {
-       "../../test:test_support",
-     ]
-   }
- }
+diff -up firefox-83.0/browser/actors/WebRTCParent.jsm.pw6 firefox-83.0/browser/actors/WebRTCParent.jsm
+--- firefox-83.0/browser/actors/WebRTCParent.jsm.pw6	2020-11-12 19:04:30.000000000 +0100
++++ firefox-83.0/browser/actors/WebRTCParent.jsm	2020-11-25 10:28:32.492865982 +0100
+@@ -45,6 +45,9 @@ XPCOMUtils.defineLazyServiceGetter(
+   "nsIOSPermissionRequest"
+ );
  
- if (is_linux) {
-   if (rtc_use_pipewire) {
-     pkg_config("pipewire") {
--      packages = [ "libpipewire-0.2" ]
-+      packages = [ "libpipewire-0.3" ]
- 
-       defines = [ "WEBRTC_USE_PIPEWIRE" ]
-     }
- 
-     pkg_config("gio") {
-       packages = [
-         "gio-2.0",
-         "gio-unix-2.0",
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_generic_gn/moz.build b/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_generic_gn/moz.build
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_generic_gn/moz.build
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_generic_gn/moz.build
-@@ -112,16 +112,39 @@ if CONFIG["OS_TARGET"] == "DragonFly":
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/x_atom_cache.cc",
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/x_error_trap.cc",
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/x_server_pixel_buffer.cc",
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc",
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/screen_capturer_linux.cc",
-         "/third_party/libwebrtc/webrtc/modules/desktop_capture/window_capturer_linux.cc"
-     ]
- 
-+# PipeWire specific files
-+if CONFIG["OS_TARGET"] == "Linux":
-+
-+    DEFINES["WEBRTC_USE_PIPEWIRE"] = "1"
++const PIPEWIRE_PORTAL_NAME = "####_PIPEWIRE_PORTAL_####";
++const PIPEWIRE_ID = 0xaffffff;
 +
-+    OS_LIBS += [
-+        "rt",
-+        "pipewire-0.3",
-+        "glib-2.0",
-+        "gio-2.0",
-+        "gobject-2.0"
-+    ]
-+
-+    CXXFLAGS += CONFIG['TK_CFLAGS']
-+    CXXFLAGS += [ "-I/usr/include/pipewire-0.3" ]
-+    CXXFLAGS += [ "-I/usr/include/spa-0.2" ]
-+
-+    UNIFIED_SOURCES += [
-+        "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc",
-+        "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc",
-+        "/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc"
-+    ]
-+
- if CONFIG["OS_TARGET"] == "FreeBSD":
- 
-     DEFINES["USE_X11"] = "1"
-     DEFINES["WEBRTC_BSD"] = True
-     DEFINES["WEBRTC_POSIX"] = True
-     DEFINES["_FILE_OFFSET_BITS"] = "64"
- 
-     OS_LIBS += [
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_options.h b/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_options.h
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_options.h
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/desktop_capture_options.h
-@@ -136,15 +136,15 @@ class DesktopCaptureOptions {
- #if defined(USE_X11)
-   bool use_update_notifications_ = false;
- #else
-   bool use_update_notifications_ = true;
- #endif
-   bool disable_effects_ = true;
-   bool detect_updated_region_ = false;
- #if defined(WEBRTC_USE_PIPEWIRE)
--  bool allow_pipewire_ = false;
-+  bool allow_pipewire_ = true;
- #endif
- };
- 
- }  // namespace webrtc
- 
- #endif  // MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_OPTIONS_H_
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
-@@ -10,18 +10,21 @@
- 
- #include "modules/desktop_capture/linux/base_capturer_pipewire.h"
- 
- #include <gio/gunixfdlist.h>
- #include <glib-object.h>
- 
- #include <spa/param/format-utils.h>
- #include <spa/param/props.h>
--#include <spa/param/video/raw-utils.h>
--#include <spa/support/type-map.h>
-+
-+#include <linux/dma-buf.h>
-+#include <sys/mman.h>
-+#include <sys/ioctl.h>
-+#include <sys/syscall.h>
- 
- #include <memory>
- #include <utility>
- 
- #include "modules/desktop_capture/desktop_capture_options.h"
- #include "modules/desktop_capture/desktop_capturer.h"
- #include "rtc_base/checks.h"
- #include "rtc_base/logging.h"
-@@ -31,181 +34,158 @@ namespace webrtc {
- const char kDesktopBusName[] = "org.freedesktop.portal.Desktop";
- const char kDesktopObjectPath[] = "/org/freedesktop/portal/desktop";
- const char kDesktopRequestObjectPath[] =
-     "/org/freedesktop/portal/desktop/request";
- const char kSessionInterfaceName[] = "org.freedesktop.portal.Session";
- const char kRequestInterfaceName[] = "org.freedesktop.portal.Request";
- const char kScreenCastInterfaceName[] = "org.freedesktop.portal.ScreenCast";
- 
-+
- // static
--void BaseCapturerPipeWire::OnStateChanged(void* data,
--                                          pw_remote_state old_state,
--                                          pw_remote_state state,
--                                          const char* error_message) {
--  BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
--  RTC_DCHECK(that);
-+void BaseCapturerPipeWire::SyncDmaBuf(int fd, uint64_t start_or_end) {
-+  struct dma_buf_sync sync = { 0 };
-+
-+  sync.flags = start_or_end | DMA_BUF_SYNC_READ;
+ class WebRTCParent extends JSWindowActorParent {
+   didDestroy() {
+     webrtcUI.forgetStreamsFromBrowserContext(this.browsingContext);
+@@ -753,6 +756,8 @@ function prompt(aActor, aBrowser, aReque
+         );
+         menupopup.appendChild(doc.createXULElement("menuseparator"));
  
--  switch (state) {
--    case PW_REMOTE_STATE_ERROR:
--      RTC_LOG(LS_ERROR) << "PipeWire remote state error: " << error_message;
-+  while(true) {
-+    int ret;
-+    ret = ioctl (fd, DMA_BUF_IOCTL_SYNC, &sync);
-+    if (ret == -1 && errno == EINTR) {
-+      continue;
-+    } else if (ret == -1) {
-+      RTC_LOG(LS_ERROR) << "Failed to synchronize DMA buffer: " << g_strerror(errno);
-       break;
--    case PW_REMOTE_STATE_CONNECTED:
--      RTC_LOG(LS_INFO) << "PipeWire remote state: connected.";
--      that->CreateReceivingStream();
-+    } else {
-       break;
--    case PW_REMOTE_STATE_CONNECTING:
--      RTC_LOG(LS_INFO) << "PipeWire remote state: connecting.";
--      break;
--    case PW_REMOTE_STATE_UNCONNECTED:
--      RTC_LOG(LS_INFO) << "PipeWire remote state: unconnected.";
--      break;
-+    }
-   }
- }
- 
- // static
-+void BaseCapturerPipeWire::OnCoreError(void *data,
-+                                       uint32_t id,
-+                                       int seq,
-+                                       int res,
-+                                       const char *message) {
-+  RTC_LOG(LS_ERROR) << "core error: " << message;
-+}
-+
-+// static
- void BaseCapturerPipeWire::OnStreamStateChanged(void* data,
-                                                 pw_stream_state old_state,
-                                                 pw_stream_state state,
-                                                 const char* error_message) {
-   BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
-   RTC_DCHECK(that);
- 
-   switch (state) {
-     case PW_STREAM_STATE_ERROR:
-       RTC_LOG(LS_ERROR) << "PipeWire stream state error: " << error_message;
-       break;
--    case PW_STREAM_STATE_CONFIGURE:
--      pw_stream_set_active(that->pw_stream_, true);
--      break;
-+    case PW_STREAM_STATE_PAUSED:
-+    case PW_STREAM_STATE_STREAMING:
-     case PW_STREAM_STATE_UNCONNECTED:
-     case PW_STREAM_STATE_CONNECTING:
--    case PW_STREAM_STATE_READY:
--    case PW_STREAM_STATE_PAUSED:
--    case PW_STREAM_STATE_STREAMING:
-       break;
-   }
- }
- 
- // static
--void BaseCapturerPipeWire::OnStreamFormatChanged(void* data,
--                                                 const struct spa_pod* format) {
-+void BaseCapturerPipeWire::OnStreamParamChanged(void *data, uint32_t id,
-+                                                const struct spa_pod *format) {
-   BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
-   RTC_DCHECK(that);
- 
--  RTC_LOG(LS_INFO) << "PipeWire stream format changed.";
-+  RTC_LOG(LS_INFO) << "PipeWire stream param changed.";
- 
--  if (!format) {
--    pw_stream_finish_format(that->pw_stream_, /*res=*/0, /*params=*/nullptr,
--                            /*n_params=*/0);
-+  if (!format || id != SPA_PARAM_Format) {
-     return;
-   }
- 
--  that->spa_video_format_ = new spa_video_info_raw();
--  spa_format_video_raw_parse(format, that->spa_video_format_,
--                             &that->pw_type_->format_video);
-+  spa_format_video_raw_parse(format, &that->spa_video_format_);
- 
--  auto width = that->spa_video_format_->size.width;
--  auto height = that->spa_video_format_->size.height;
-+  auto width = that->spa_video_format_.size.width;
-+  auto height = that->spa_video_format_.size.height;
-   auto stride = SPA_ROUND_UP_N(width * kBytesPerPixel, 4);
-   auto size = height * stride;
- 
-+  that->desktop_size_ = DesktopSize(width, height);
++        let isPipeWire = false;
 +
-   uint8_t buffer[1024] = {};
-   auto builder = spa_pod_builder{buffer, sizeof(buffer)};
- 
-   // Setup buffers and meta header for new format.
--  const struct spa_pod* params[2];
--  params[0] = reinterpret_cast<spa_pod*>(spa_pod_builder_object(
--      &builder,
--      // id to enumerate buffer requirements
--      that->pw_core_type_->param.idBuffers,
--      that->pw_core_type_->param_buffers.Buffers,
--      // Size: specified as integer (i) and set to specified size
--      ":", that->pw_core_type_->param_buffers.size, "i", size,
--      // Stride: specified as integer (i) and set to specified stride
--      ":", that->pw_core_type_->param_buffers.stride, "i", stride,
--      // Buffers: specifies how many buffers we want to deal with, set as
--      // integer (i) where preferred number is 8, then allowed number is defined
--      // as range (r) from min and max values and it is undecided (u) to allow
--      // negotiation
--      ":", that->pw_core_type_->param_buffers.buffers, "iru", 8,
--      SPA_POD_PROP_MIN_MAX(1, 32),
--      // Align: memory alignment of the buffer, set as integer (i) to specified
--      // value
--      ":", that->pw_core_type_->param_buffers.align, "i", 16));
--  params[1] = reinterpret_cast<spa_pod*>(spa_pod_builder_object(
--      &builder,
--      // id to enumerate supported metadata
--      that->pw_core_type_->param.idMeta, that->pw_core_type_->param_meta.Meta,
--      // Type: specified as id or enum (I)
--      ":", that->pw_core_type_->param_meta.type, "I",
--      that->pw_core_type_->meta.Header,
--      // Size: size of the metadata, specified as integer (i)
--      ":", that->pw_core_type_->param_meta.size, "i",
--      sizeof(struct spa_meta_header)));
--
--  pw_stream_finish_format(that->pw_stream_, /*res=*/0, params, /*n_params=*/2);
-+  const struct spa_pod* params[3];
-+  params[0] = reinterpret_cast<spa_pod *>(spa_pod_builder_add_object(&builder,
-+              SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
-+              SPA_PARAM_BUFFERS_size, SPA_POD_Int(size),
-+              SPA_PARAM_BUFFERS_stride, SPA_POD_Int(stride),
-+              SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(8, 1, 32)));
-+  params[1] = reinterpret_cast<spa_pod *>(spa_pod_builder_add_object(&builder,
-+              SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
-+              SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header),
-+              SPA_PARAM_META_size, SPA_POD_Int(sizeof(struct spa_meta_header))));
-+  params[2] = reinterpret_cast<spa_pod *>(spa_pod_builder_add_object(&builder,
-+              SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
-+              SPA_PARAM_META_type, SPA_POD_Id (SPA_META_VideoCrop),
-+              SPA_PARAM_META_size, SPA_POD_Int (sizeof(struct spa_meta_region))));
-+  pw_stream_update_params(that->pw_stream_, params, 3);
- }
- 
- // static
- void BaseCapturerPipeWire::OnStreamProcess(void* data) {
-   BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
-   RTC_DCHECK(that);
- 
--  pw_buffer* buf = nullptr;
-+  struct pw_buffer *next_buffer;
-+  struct pw_buffer *buffer = nullptr;
- 
--  if (!(buf = pw_stream_dequeue_buffer(that->pw_stream_))) {
-+  next_buffer = pw_stream_dequeue_buffer(that->pw_stream_);
-+  while (next_buffer) {
-+    buffer = next_buffer;
-+    next_buffer = pw_stream_dequeue_buffer(that->pw_stream_);
-+
-+    if (next_buffer)
-+      pw_stream_queue_buffer (that->pw_stream_, buffer);
-+  }
-+
-+  if (!buffer) {
-     return;
-   }
- 
--  that->HandleBuffer(buf);
-+  that->HandleBuffer(buffer);
- 
--  pw_stream_queue_buffer(that->pw_stream_, buf);
-+  pw_stream_queue_buffer(that->pw_stream_, buffer);
- }
- 
- BaseCapturerPipeWire::BaseCapturerPipeWire(CaptureSourceType source_type)
-     : capture_source_type_(source_type) {}
- 
- BaseCapturerPipeWire::~BaseCapturerPipeWire() {
-   if (pw_main_loop_) {
-     pw_thread_loop_stop(pw_main_loop_);
-   }
- 
--  if (pw_type_) {
--    delete pw_type_;
--  }
--
--  if (spa_video_format_) {
--    delete spa_video_format_;
--  }
--
-   if (pw_stream_) {
-     pw_stream_destroy(pw_stream_);
-   }
- 
--  if (pw_remote_) {
--    pw_remote_destroy(pw_remote_);
-+  if (pw_core_) {
-+    pw_core_disconnect(pw_core_);
-   }
+         // Build the list of 'devices'.
+         let monitorIndex = 1;
+         for (let i = 0; i < devices.length; ++i) {
+@@ -774,6 +779,29 @@ function prompt(aActor, aBrowser, aReque
+             }
+           } else {
+             name = device.name;
++            // When we share content by PipeWire add only one item to the device
++            // list. When it's selected PipeWire portal dialog is opened and
++            // user confirms actual window/screen sharing there.
++            // Don't mark it as scary as there's an extra confirmation step by
++            // PipeWire portal dialog.
++            if (name == PIPEWIRE_PORTAL_NAME && device.id == PIPEWIRE_ID) {
++              isPipeWire = true;
++              let name;
++              try {
++                name = stringBundle.getString("getUserMedia.sharePipeWirePortal.label");
++              } catch (err) {
++                name = "Use operating system settings"
++              }
++              let item = addDeviceToList(
++                menupopup,
++                name,
++                i,
++                type
++              );
++              item.deviceId = device.id;
++              item.mediaSource = type;
++              break;
++            }
+             if (type == "application") {
+               // The application names returned by the platform are of the form:
+               // <window count>\x1e<application name>
+@@ -888,39 +916,41 @@ function prompt(aActor, aBrowser, aReque
+             perms.EXPIRE_SESSION
+           );
  
--  if (pw_core_) {
--    pw_core_destroy(pw_core_);
-+  if (pw_context_) {
-+    pw_context_destroy(pw_context_);
-   }
- 
-   if (pw_main_loop_) {
-     pw_thread_loop_destroy(pw_main_loop_);
-   }
- 
--  if (pw_loop_) {
--    pw_loop_destroy(pw_loop_);
--  }
--
--  if (current_frame_) {
--    free(current_frame_);
--  }
--
-   if (start_request_signal_id_) {
-     g_dbus_connection_signal_unsubscribe(connection_, start_request_signal_id_);
-   }
-   if (sources_request_signal_id_) {
-     g_dbus_connection_signal_unsubscribe(connection_,
-                                          sources_request_signal_id_);
-   }
-   if (session_request_signal_id_) {
-@@ -245,142 +225,220 @@ void BaseCapturerPipeWire::InitPortal() 
-       kDesktopBusName, kDesktopObjectPath, kScreenCastInterfaceName,
-       /*cancellable=*/nullptr,
-       reinterpret_cast<GAsyncReadyCallback>(OnProxyRequested), this);
- }
- 
- void BaseCapturerPipeWire::InitPipeWire() {
-   pw_init(/*argc=*/nullptr, /*argc=*/nullptr);
- 
--  pw_loop_ = pw_loop_new(/*properties=*/nullptr);
--  pw_main_loop_ = pw_thread_loop_new(pw_loop_, "pipewire-main-loop");
-+  pw_main_loop_ = pw_thread_loop_new("pipewire-main-loop", nullptr);
-+  pw_context_ = pw_context_new(pw_thread_loop_get_loop(pw_main_loop_), nullptr, 0);
-+  if (!pw_context_) {
-+    RTC_LOG(LS_ERROR) << "Failed to create PipeWire context";
-+    return;
-+  }
- 
--  pw_core_ = pw_core_new(pw_loop_, /*properties=*/nullptr);
--  pw_core_type_ = pw_core_get_type(pw_core_);
--  pw_remote_ = pw_remote_new(pw_core_, nullptr, /*user_data_size=*/0);
--
--  InitPipeWireTypes();
-+  pw_core_ = pw_context_connect(pw_context_, nullptr, 0);
-+  if (!pw_core_) {
-+    RTC_LOG(LS_ERROR) << "Failed to connect PipeWire context";
-+    return;
-+  }
- 
-   // Initialize event handlers, remote end and stream-related.
--  pw_remote_events_.version = PW_VERSION_REMOTE_EVENTS;
--  pw_remote_events_.state_changed = &OnStateChanged;
-+  pw_core_events_.version = PW_VERSION_CORE_EVENTS;
-+  pw_core_events_.error = &OnCoreError;
- 
-   pw_stream_events_.version = PW_VERSION_STREAM_EVENTS;
-   pw_stream_events_.state_changed = &OnStreamStateChanged;
--  pw_stream_events_.format_changed = &OnStreamFormatChanged;
-+  pw_stream_events_.param_changed = &OnStreamParamChanged;
-   pw_stream_events_.process = &OnStreamProcess;
- 
--  pw_remote_add_listener(pw_remote_, &spa_remote_listener_, &pw_remote_events_,
--                         this);
--  pw_remote_connect_fd(pw_remote_, pw_fd_);
-+  pw_core_add_listener(pw_core_, &spa_core_listener_, &pw_core_events_, this);
-+
-+  pw_stream_ = CreateReceivingStream();
-+  if (!pw_stream_) {
-+    RTC_LOG(LS_ERROR) << "Failed to create PipeWire stream";
-+    return;
-+  }
- 
-   if (pw_thread_loop_start(pw_main_loop_) < 0) {
-     RTC_LOG(LS_ERROR) << "Failed to start main PipeWire loop";
-     portal_init_failed_ = true;
-   }
- }
- 
--void BaseCapturerPipeWire::InitPipeWireTypes() {
--  spa_type_map* map = pw_core_type_->map;
--  pw_type_ = new PipeWireType();
--
--  spa_type_media_type_map(map, &pw_type_->media_type);
--  spa_type_media_subtype_map(map, &pw_type_->media_subtype);
--  spa_type_format_video_map(map, &pw_type_->format_video);
--  spa_type_video_format_map(map, &pw_type_->video_format);
--}
-+pw_stream* BaseCapturerPipeWire::CreateReceivingStream() {
-+  spa_rectangle pwMinScreenBounds = spa_rectangle{1, 1};
-+  spa_rectangle pwMaxScreenBounds = spa_rectangle{INT32_MAX, INT32_MAX};
- 
--void BaseCapturerPipeWire::CreateReceivingStream() {
--  spa_rectangle pwMinScreenBounds = spa_rectangle{1, 1};
--  spa_rectangle pwScreenBounds =
--      spa_rectangle{static_cast<uint32_t>(desktop_size_.width()),
--                    static_cast<uint32_t>(desktop_size_.height())};
-+  auto stream = pw_stream_new(pw_core_, "webrtc-pipewire-stream", nullptr);
- 
--  spa_fraction pwFrameRateMin = spa_fraction{0, 1};
--  spa_fraction pwFrameRateMax = spa_fraction{60, 1};
--
--  pw_properties* reuseProps = pw_properties_new("pipewire.client.reuse", "1",
--                                                /*end of varargs*/ nullptr);
--  pw_stream_ = pw_stream_new(pw_remote_, "webrtc-consume-stream", reuseProps);
-+  if (!stream) {
-+    RTC_LOG(LS_ERROR) << "Could not create receiving stream.";
-+    return nullptr;
-+  }
- 
-   uint8_t buffer[1024] = {};
--  const spa_pod* params[1];
--  spa_pod_builder builder = spa_pod_builder{buffer, sizeof(buffer)};
--  params[0] = reinterpret_cast<spa_pod*>(spa_pod_builder_object(
--      &builder,
--      // id to enumerate formats
--      pw_core_type_->param.idEnumFormat, pw_core_type_->spa_format, "I",
--      pw_type_->media_type.video, "I", pw_type_->media_subtype.raw,
--      // Video format: specified as id or enum (I), preferred format is BGRx,
--      // then allowed formats are enumerated (e) and the format is undecided (u)
--      // to allow negotiation
--      ":", pw_type_->format_video.format, "Ieu", pw_type_->video_format.BGRx,
--      SPA_POD_PROP_ENUM(2, pw_type_->video_format.RGBx,
--                        pw_type_->video_format.BGRx),
--      // Video size: specified as rectangle (R), preferred size is specified as
--      // first parameter, then allowed size is defined as range (r) from min and
--      // max values and the format is undecided (u) to allow negotiation
--      ":", pw_type_->format_video.size, "Rru", &pwScreenBounds, 2,
--      &pwMinScreenBounds, &pwScreenBounds,
--      // Frame rate: specified as fraction (F) and set to minimum frame rate
--      // value
--      ":", pw_type_->format_video.framerate, "F", &pwFrameRateMin,
--      // Max frame rate: specified as fraction (F), preferred frame rate is set
--      // to maximum value, then allowed frame rate is defined as range (r) from
--      // min and max values and it is undecided (u) to allow negotiation
--      ":", pw_type_->format_video.max_framerate, "Fru", &pwFrameRateMax, 2,
--      &pwFrameRateMin, &pwFrameRateMax));
-+  const spa_pod* params[2];
-+  spa_pod_builder builder = SPA_POD_BUILDER_INIT(buffer, sizeof (buffer));
- 
--  pw_stream_add_listener(pw_stream_, &spa_stream_listener_, &pw_stream_events_,
--                         this);
-+  params[0] = reinterpret_cast<spa_pod *>(spa_pod_builder_add_object(&builder,
-+              SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
-+              SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
-+              SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
-+              SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(5, SPA_VIDEO_FORMAT_BGRx, SPA_VIDEO_FORMAT_RGBx, SPA_VIDEO_FORMAT_RGBA,
-+                                                                 SPA_VIDEO_FORMAT_BGRx, SPA_VIDEO_FORMAT_BGRA),
-+              SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle(&pwMinScreenBounds,
-+                                                                    &pwMinScreenBounds,
-+                                                                    &pwMaxScreenBounds),
-+              0));
-+  pw_stream_add_listener(stream, &spa_stream_listener_, &pw_stream_events_, this);
-+
-   pw_stream_flags flags = static_cast<pw_stream_flags>(
--      PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_INACTIVE |
--      PW_STREAM_FLAG_MAP_BUFFERS);
--  if (pw_stream_connect(pw_stream_, PW_DIRECTION_INPUT, /*port_path=*/nullptr,
--                        flags, params,
--                        /*n_params=*/1) != 0) {
-+      PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_INACTIVE);
-+
-+  if (pw_stream_connect(stream, PW_DIRECTION_INPUT, pw_stream_node_id_, PW_STREAM_FLAG_AUTOCONNECT, params, 1) != 0) {
-     RTC_LOG(LS_ERROR) << "Could not connect receiving stream.";
-     portal_init_failed_ = true;
--    return;
-   }
-+
-+  return stream;
- }
- 
- void BaseCapturerPipeWire::HandleBuffer(pw_buffer* buffer) {
-+  struct spa_meta_region* video_crop;
-   spa_buffer* spaBuffer = buffer->buffer;
--  void* src = nullptr;
-+  uint8_t *map = nullptr;
-+  uint8_t* src = nullptr;
-+  uint8_t* dst = nullptr;
-+
-+  if (spaBuffer->datas[0].chunk->size == 0) {
-+    map = nullptr;
-+    src = nullptr;
-+  } else if (spaBuffer->datas[0].type == SPA_DATA_MemFd) {
-+    map = static_cast<uint8_t*>(mmap(
-+        nullptr, spaBuffer->datas[0].maxsize + spaBuffer->datas[0].mapoffset,
-+        PROT_READ, MAP_PRIVATE, spaBuffer->datas[0].fd, 0));
-+
-+    if (map == MAP_FAILED) {
-+      RTC_LOG(LS_ERROR) << "Failed to mmap the memory: " << std::strerror(errno);
-+      return;
-+    }
- 
--  if (!(src = spaBuffer->datas[0].data)) {
-+    src = SPA_MEMBER(map, spaBuffer->datas[0].mapoffset, uint8_t);
-+  } else if (spaBuffer->datas[0].type == SPA_DATA_DmaBuf) {
-+    int fd;
-+    fd = spaBuffer->datas[0].fd;
-+
-+    map = static_cast<uint8_t*>(mmap(
-+        nullptr, spaBuffer->datas[0].maxsize + spaBuffer->datas[0].mapoffset,
-+        PROT_READ, MAP_PRIVATE, fd, 0));
-+
-+    if (map == MAP_FAILED) {
-+      RTC_LOG(LS_ERROR) << "Failed to mmap the memory: " << std::strerror(errno);
-+      return;
-+    }
-+
-+    SyncDmaBuf(fd, DMA_BUF_SYNC_START);
-+
-+    src = SPA_MEMBER(map, spaBuffer->datas[0].mapoffset, uint8_t);
-+  } else if (spaBuffer->datas[0].type == SPA_DATA_MemPtr) {
-+    map = nullptr;
-+    src = static_cast<uint8_t*>(spaBuffer->datas[0].data);
-+  } else {
-     return;
-   }
- 
--  uint32_t maxSize = spaBuffer->datas[0].maxsize;
--  int32_t srcStride = spaBuffer->datas[0].chunk->stride;
-+  if (!src) {
-+    return;
-+  }
-+
-+  DesktopSize prev_crop_size = DesktopSize(0, 0);
-+  if (video_crop_size_initialized_) {
-+    prev_crop_size = video_crop_size_;
-+  }  
-+
-+  if ((video_crop = static_cast<struct spa_meta_region*>(
-+           spa_buffer_find_meta_data(spaBuffer, SPA_META_VideoCrop, sizeof(*video_crop))))) {
-+    RTC_DCHECK(video_crop->region.size.width <= desktop_size_.width() &&
-+               video_crop->region.size.height <= desktop_size_.height());
-+    if ((video_crop->region.size.width != desktop_size_.width() ||
-+        video_crop->region.size.height != desktop_size_.height()) && video_crop->region.size.width && video_crop->region.size.height) {
-+      video_crop_size_ = DesktopSize(video_crop->region.size.width, video_crop->region.size.height);
-+      video_crop_size_initialized_ = true;
-+    } else {
-+      video_crop_size_initialized_ = false;
-+    }
-+  } else {
-+    video_crop_size_initialized_ = false;
-+  }
-+
-+  size_t frame_size;
-+  if (video_crop_size_initialized_) {
-+    frame_size =
-+        video_crop_size_.width() * video_crop_size_.height() * kBytesPerPixel;
-+  } else {
-+    frame_size =
-+        desktop_size_.width() * desktop_size_.height() * kBytesPerPixel;
-+  }
-+
-+  if (!current_frame_ ||
-+      (video_crop_size_initialized_ && !video_crop_size_.equals(prev_crop_size))) {
-+    current_frame_ = std::make_unique<uint8_t[]>(frame_size);
-+  }
-+  RTC_DCHECK(current_frame_ != nullptr);
-+
-+  const int32_t dstStride = video_crop_size_initialized_
-+                                ? video_crop_size_.width() * kBytesPerPixel
-+                                : desktop_size_.width() * kBytesPerPixel;
-+  const int32_t srcStride = spaBuffer->datas[0].chunk->stride;
-+
-   if (srcStride != (desktop_size_.width() * kBytesPerPixel)) {
-     RTC_LOG(LS_ERROR) << "Got buffer with stride different from screen stride: "
-                       << srcStride
-                       << " != " << (desktop_size_.width() * kBytesPerPixel);
-     portal_init_failed_ = true;
-     return;
-   }
- 
--  if (!current_frame_) {
--    current_frame_ = static_cast<uint8_t*>(malloc(maxSize));
--  }
--  RTC_DCHECK(current_frame_ != nullptr);
-+  dst = current_frame_.get();
- 
--  // If both sides decided to go with the RGBx format we need to convert it to
--  // BGRx to match color format expected by WebRTC.
--  if (spa_video_format_->format == pw_type_->video_format.RGBx) {
--    uint8_t* tempFrame = static_cast<uint8_t*>(malloc(maxSize));
--    std::memcpy(tempFrame, src, maxSize);
--    ConvertRGBxToBGRx(tempFrame, maxSize);
--    std::memcpy(current_frame_, tempFrame, maxSize);
--    free(tempFrame);
--  } else {
--    std::memcpy(current_frame_, src, maxSize);
-+  // Adjust source content based on crop video position
-+  if (video_crop_size_initialized_ &&
-+      (video_crop->region.position.y + video_crop_size_.height() <= desktop_size_.height())) {
-+    for (int i = 0; i < video_crop->region.position.y; ++i) {
-+      src += srcStride;
-+    }
-+  }
-+  const int xOffset =
-+      video_crop_size_initialized_ && (video_crop->region.position.x + video_crop_size_.width() <=
-+                           desktop_size_.width())
-+          ? video_crop->region.position.x * kBytesPerPixel
-+          : 0;
-+  const int height = video_crop_size_initialized_ ? video_crop_size_.height() : desktop_size_.height();
-+  for (int i = 0; i < height; ++i) {
-+    // Adjust source content based on crop video position if needed
-+    src += xOffset;
-+    std::memcpy(dst, src, dstStride);
-+    // If both sides decided to go with the RGBx format we need to convert it to
-+    // BGRx to match color format expected by WebRTC.
-+    if (spa_video_format_.format == SPA_VIDEO_FORMAT_RGBx ||
-+        spa_video_format_.format == SPA_VIDEO_FORMAT_RGBA) {
-+      ConvertRGBxToBGRx(dst, dstStride);
-+    }
-+    src += srcStride - xOffset;
-+    dst += dstStride;
-+  }
-+
-+  if (map) {
-+    if (spaBuffer->datas[0].type == SPA_DATA_DmaBuf) {
-+      SyncDmaBuf(spaBuffer->datas[0].fd, DMA_BUF_SYNC_END);
-+    }
-+    munmap(map, spaBuffer->datas[0].maxsize + spaBuffer->datas[0].mapoffset);
-   }
- }
- 
- void BaseCapturerPipeWire::ConvertRGBxToBGRx(uint8_t* frame, uint32_t size) {
-   // Change color format for KDE KWin which uses RGBx and not BGRx
-   for (uint32_t i = 0; i < size; i += 4) {
-     uint8_t tempR = frame[i];
-     uint8_t tempB = frame[i + 2];
-@@ -720,20 +778,17 @@ void BaseCapturerPipeWire::OnStartReques
-       guint32 stream_id;
-       gint32 width;
-       gint32 height;
-       GVariant* options;
- 
-       g_variant_get(variant, "(u@a{sv})", &stream_id, &options);
-       RTC_DCHECK(options != nullptr);
- 
--      g_variant_lookup(options, "size", "(ii)", &width, &height);
--
--      that->desktop_size_.set(width, height);
--
-+      that->pw_stream_node_id_ = stream_id;
-       g_variant_unref(options);
-       g_variant_unref(variant);
-     }
-   }
-   g_variant_iter_free(iter);
-   g_variant_unref(response_data);
- 
-   that->OpenPipeWireRemote();
-@@ -808,20 +863,25 @@ void BaseCapturerPipeWire::CaptureFrame(
-     return;
-   }
- 
-   if (!current_frame_) {
-     callback_->OnCaptureResult(Result::ERROR_TEMPORARY, nullptr);
-     return;
-   }
- 
--  std::unique_ptr<DesktopFrame> result(new BasicDesktopFrame(desktop_size_));
-+  DesktopSize frame_size = desktop_size_;
-+  if (video_crop_size_initialized_) {
-+    frame_size = video_crop_size_;
-+  }
-+  
-+  std::unique_ptr<DesktopFrame> result(new BasicDesktopFrame(frame_size));
-   result->CopyPixelsFrom(
--      current_frame_, (desktop_size_.width() * kBytesPerPixel),
--      DesktopRect::MakeWH(desktop_size_.width(), desktop_size_.height()));
-+      current_frame_.get(), (frame_size.width() * kBytesPerPixel),
-+      DesktopRect::MakeWH(frame_size.width(), frame_size.height()));
-   if (!result) {
-     callback_->OnCaptureResult(Result::ERROR_TEMPORARY, nullptr);
-     return;
-   }
+-          video.deviceId = deviceId;
+-          let constraints = {
+-            video: { mediaSource: type, deviceId: { exact: deviceId } },
+-          };
+-          chromeWin.navigator.mediaDevices.getUserMedia(constraints).then(
+-            stream => {
+-              if (video.deviceId != deviceId) {
+-                // The user has selected a different device or closed the panel
+-                // before getUserMedia finished.
+-                stream.getTracks().forEach(t => t.stop());
+-                return;
+-              }
+-              video.srcObject = stream;
+-              video.stream = stream;
+-              doc.getElementById("webRTC-preview").hidden = false;
+-              video.onloadedmetadata = function(e) {
+-                video.play();
+-              };
+-            },
+-            err => {
+-              if (
+-                err.name == "OverconstrainedError" &&
+-                err.constraint == "deviceId"
+-              ) {
+-                // Window has disappeared since enumeration, which can happen.
+-                // No preview for you.
+-                return;
++          if (!isPipeWire) {
++            video.deviceId = deviceId;
++            let constraints = {
++              video: { mediaSource: type, deviceId: { exact: deviceId } },
++            };
++            chromeWin.navigator.mediaDevices.getUserMedia(constraints).then(
++              stream => {
++                if (video.deviceId != deviceId) {
++                  // The user has selected a different device or closed the panel
++                  // before getUserMedia finished.
++                  stream.getTracks().forEach(t => t.stop());
++                  return;
++                }
++                video.srcObject = stream;
++                video.stream = stream;
++                doc.getElementById("webRTC-preview").hidden = false;
++                video.onloadedmetadata = function(e) {
++                  video.play();
++                };
++              },
++              err => {
++                if (
++                  err.name == "OverconstrainedError" &&
++                  err.constraint == "deviceId"
++                ) {
++                  // Window has disappeared since enumeration, which can happen.
++                  // No preview for you.
++                  return;
++                }
++                Cu.reportError(
++                  `error in preview: ${err.message} ${err.constraint}`
++                );
+               }
+-              Cu.reportError(
+-                `error in preview: ${err.message} ${err.constraint}`
+-              );
+-            }
+-          );
++            );
++          }
+         };
+         menupopup.addEventListener("command", menupopup._commandEventListener);
+       }
+diff -up firefox-83.0/browser/locales/en-US/chrome/browser/browser.properties.pw6 firefox-83.0/browser/locales/en-US/chrome/browser/browser.properties
+--- firefox-83.0/browser/locales/en-US/chrome/browser/browser.properties.pw6	2020-11-12 19:04:30.000000000 +0100
++++ firefox-83.0/browser/locales/en-US/chrome/browser/browser.properties	2020-11-25 09:24:26.378857626 +0100
+@@ -764,6 +764,7 @@ getUserMedia.selectWindowOrScreen.label=
+ getUserMedia.selectWindowOrScreen.accesskey=W
+ getUserMedia.pickWindowOrScreen.label = Select Window or Screen
+ getUserMedia.shareEntireScreen.label = Entire screen
++getUserMedia.sharePipeWirePortal.label = Use operating system settings
+ # LOCALIZATION NOTE (getUserMedia.shareMonitor.label):
+ # %S is screen number (digits 1, 2, etc)
+ # Example: Screen 1, Screen 2,..
+diff -up firefox-83.0/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc.pw6 firefox-83.0/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
+--- firefox-83.0/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc.pw6	2020-11-25 09:24:26.358857788 +0100
++++ firefox-83.0/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc	2020-11-25 09:24:26.378857626 +0100
+@@ -879,17 +879,17 @@ void BaseCapturerPipeWire::CaptureFrame(
    callback_->OnCaptureResult(Result::SUCCESS, std::move(result));
  }
  
++#define PIPEWIRE_ID   0xaffffff
++#define PIPEWIRE_NAME "####_PIPEWIRE_PORTAL_####"
++
  bool BaseCapturerPipeWire::GetSourceList(SourceList* sources) {
-@@ -832,9 +892,27 @@ bool BaseCapturerPipeWire::GetSourceList
+-  RTC_DCHECK(sources->size() == 0);
+-  // List of available screens is already presented by the xdg-desktop-portal.
+-  // But we have to add an empty source as the code expects it.
+-  sources->push_back({0});
++  sources->push_back({PIPEWIRE_ID, 0, PIPEWIRE_NAME});
    return true;
  }
  
  bool BaseCapturerPipeWire::SelectSource(SourceId id) {
    // Screen selection is handled by the xdg-desktop-portal.
-   return true;
+-  return true;
++  return id == PIPEWIRE_ID;
  }
  
-+// static
-+std::unique_ptr<DesktopCapturer>
-+BaseCapturerPipeWire::CreateRawScreenCapturer(
-+    const DesktopCaptureOptions& options) {
-+  std::unique_ptr<BaseCapturerPipeWire> capturer =
-+      std::make_unique<BaseCapturerPipeWire>(BaseCapturerPipeWire::CaptureSourceType::kAny);
-+  return std::move(capturer);}
-+
-+// static
-+std::unique_ptr<DesktopCapturer>
-+BaseCapturerPipeWire::CreateRawWindowCapturer(
-+    const DesktopCaptureOptions& options) {
-+
-+  std::unique_ptr<BaseCapturerPipeWire> capturer =
-+      std::make_unique<BaseCapturerPipeWire>(BaseCapturerPipeWire::CaptureSourceType::kAny);
-+  return std::move(capturer);
-+}
-+
- }  // namespace webrtc
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
-@@ -17,99 +17,103 @@
- #include <spa/param/video/format-utils.h>
- 
- #include "modules/desktop_capture/desktop_capture_options.h"
- #include "modules/desktop_capture/desktop_capturer.h"
- #include "rtc_base/constructormagic.h"
- 
- namespace webrtc {
- 
--class PipeWireType {
-- public:
--  spa_type_media_type media_type;
--  spa_type_media_subtype media_subtype;
--  spa_type_format_video format_video;
--  spa_type_video_format video_format;
--};
--
- class BaseCapturerPipeWire : public DesktopCapturer {
-  public:
--  enum CaptureSourceType { Screen = 1, Window };
-+  enum CaptureSourceType : uint32_t {
-+    kScreen = 0b01,
-+    kWindow = 0b10,
-+    kAny = 0b11
-+  };
- 
-   explicit BaseCapturerPipeWire(CaptureSourceType source_type);
-   ~BaseCapturerPipeWire() override;
- 
-   // DesktopCapturer interface.
-   void Start(Callback* delegate) override;
-   void CaptureFrame() override;
-   bool GetSourceList(SourceList* sources) override;
-   bool SelectSource(SourceId id) override;
- 
-+  static std::unique_ptr<DesktopCapturer> CreateRawScreenCapturer(
-+      const DesktopCaptureOptions& options);
-+
-+  static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer(
-+      const DesktopCaptureOptions& options);
-+
-  private:
-   // PipeWire types -->
-+  pw_context* pw_context_ = nullptr;
-   pw_core* pw_core_ = nullptr;
--  pw_type* pw_core_type_ = nullptr;
-   pw_stream* pw_stream_ = nullptr;
--  pw_remote* pw_remote_ = nullptr;
--  pw_loop* pw_loop_ = nullptr;
-   pw_thread_loop* pw_main_loop_ = nullptr;
--  PipeWireType* pw_type_ = nullptr;
- 
-+  spa_hook spa_core_listener_ = {};
-   spa_hook spa_stream_listener_ = {};
--  spa_hook spa_remote_listener_ = {};
- 
-+  pw_core_events pw_core_events_ = {};
-   pw_stream_events pw_stream_events_ = {};
--  pw_remote_events pw_remote_events_ = {};
- 
--  spa_video_info_raw* spa_video_format_ = nullptr;
-+  struct spa_video_info_raw spa_video_format_;
- 
-+  guint32 pw_stream_node_id_ = 0;
-   gint32 pw_fd_ = -1;
- 
-   CaptureSourceType capture_source_type_ =
--      BaseCapturerPipeWire::CaptureSourceType::Screen;
-+      BaseCapturerPipeWire::CaptureSourceType::kAny;
- 
-   // <-- end of PipeWire types
- 
-   GDBusConnection* connection_ = nullptr;
-   GDBusProxy* proxy_ = nullptr;
-   gchar* portal_handle_ = nullptr;
-   gchar* session_handle_ = nullptr;
-   gchar* sources_handle_ = nullptr;
-   gchar* start_handle_ = nullptr;
-   guint session_request_signal_id_ = 0;
-   guint sources_request_signal_id_ = 0;
-   guint start_request_signal_id_ = 0;
- 
-+  bool video_crop_size_initialized_ = false;
-+  DesktopSize video_crop_size_;;
-   DesktopSize desktop_size_ = {};
-   DesktopCaptureOptions options_ = {};
- 
--  uint8_t* current_frame_ = nullptr;
-+  std::unique_ptr<uint8_t[]> current_frame_;
-   Callback* callback_ = nullptr;
- 
-   bool portal_init_failed_ = false;
- 
-   void InitPortal();
-   void InitPipeWire();
--  void InitPipeWireTypes();
- 
--  void CreateReceivingStream();
-+  pw_stream* CreateReceivingStream();
-   void HandleBuffer(pw_buffer* buffer);
- 
-   void ConvertRGBxToBGRx(uint8_t* frame, uint32_t size);
- 
--  static void OnStateChanged(void* data,
--                             pw_remote_state old_state,
--                             pw_remote_state state,
--                             const char* error);
-+  static void SyncDmaBuf(int fd, uint64_t start_or_end);
-+  static void OnCoreError(void *data,
-+                          uint32_t id,
-+                          int seq,
-+                          int res,
-+                          const char *message);
-+  static void OnStreamParamChanged(void *data,
-+                                   uint32_t id,
-+                                   const struct spa_pod *format);
-   static void OnStreamStateChanged(void* data,
-                                    pw_stream_state old_state,
-                                    pw_stream_state state,
-                                    const char* error_message);
--
--  static void OnStreamFormatChanged(void* data, const struct spa_pod* format);
-   static void OnStreamProcess(void* data);
-   static void OnNewBuffer(void* data, uint32_t id);
- 
-   guint SetupRequestResponseSignal(const gchar* object_path,
-                                    GDBusSignalCallback callback);
- 
-   static void OnProxyRequested(GObject* object,
-                                GAsyncResult* result,
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc
-@@ -10,17 +10,17 @@
- 
- #include "modules/desktop_capture/linux/screen_capturer_pipewire.h"
- 
- #include <memory>
- 
- namespace webrtc {
- 
- ScreenCapturerPipeWire::ScreenCapturerPipeWire()
--    : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::Screen) {}
-+    : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::kScreen) {}
- ScreenCapturerPipeWire::~ScreenCapturerPipeWire() {}
- 
  // static
- std::unique_ptr<DesktopCapturer>
- ScreenCapturerPipeWire::CreateRawScreenCapturer(
-     const DesktopCaptureOptions& options) {
-   return std::make_unique<ScreenCapturerPipeWire>();
- }
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc
-@@ -10,17 +10,17 @@
- 
- #include "modules/desktop_capture/linux/window_capturer_pipewire.h"
- 
- #include <memory>
- 
- namespace webrtc {
- 
- WindowCapturerPipeWire::WindowCapturerPipeWire()
--    : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::Window) {}
-+    : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::kWindow) {}
- WindowCapturerPipeWire::~WindowCapturerPipeWire() {}
- 
- // static
- std::unique_ptr<DesktopCapturer>
- WindowCapturerPipeWire::CreateRawWindowCapturer(
-     const DesktopCaptureOptions& options) {
-   return std::make_unique<WindowCapturerPipeWire>();
- }
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/screen_capturer_linux.cc b/third_party/libwebrtc/webrtc/modules/desktop_capture/screen_capturer_linux.cc
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/screen_capturer_linux.cc
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/screen_capturer_linux.cc
-@@ -21,17 +21,17 @@
- 
- namespace webrtc {
- 
- // static
- std::unique_ptr<DesktopCapturer> DesktopCapturer::CreateRawScreenCapturer(
-     const DesktopCaptureOptions& options) {
- #if defined(WEBRTC_USE_PIPEWIRE)
-   if (options.allow_pipewire() && DesktopCapturer::IsRunningUnderWayland()) {
--    return ScreenCapturerPipeWire::CreateRawScreenCapturer(options);
-+    return BaseCapturerPipeWire::CreateRawScreenCapturer(options);
-   }
- #endif  // defined(WEBRTC_USE_PIPEWIRE)
- 
- #if defined(USE_X11)
-   return ScreenCapturerX11::CreateRawScreenCapturer(options);
- #endif  // defined(USE_X11)
- 
-   return nullptr;
-diff --git a/third_party/libwebrtc/webrtc/modules/desktop_capture/window_capturer_linux.cc b/third_party/libwebrtc/webrtc/modules/desktop_capture/window_capturer_linux.cc
---- a/third_party/libwebrtc/webrtc/modules/desktop_capture/window_capturer_linux.cc
-+++ b/third_party/libwebrtc/webrtc/modules/desktop_capture/window_capturer_linux.cc
-@@ -21,17 +21,17 @@
- 
- namespace webrtc {
- 
- // static
- std::unique_ptr<DesktopCapturer> DesktopCapturer::CreateRawWindowCapturer(
-     const DesktopCaptureOptions& options) {
- #if defined(WEBRTC_USE_PIPEWIRE)
-   if (options.allow_pipewire() && DesktopCapturer::IsRunningUnderWayland()) {
--    return WindowCapturerPipeWire::CreateRawWindowCapturer(options);
-+    return BaseCapturerPipeWire::CreateRawWindowCapturer(options);
-   }
- #endif  // defined(WEBRTC_USE_PIPEWIRE)
- 
- #if defined(USE_X11)
-   return WindowCapturerX11::CreateRawWindowCapturer(options);
- #endif  // defined(USE_X11)
- 
-   return nullptr;