void-packages/srcpkgs/qt5-webengine/patches/pipewire-0.3.patch

1820 lines
65 KiB
Diff

diff --git a/chromium/third_party/webrtc/modules/desktop_capture/BUILD.gn b/chromium/third_party/webrtc/modules/desktop_capture/BUILD.gn
index 5235512735d..8259442f811 100644
--- a/chromium/third_party/webrtc/modules/desktop_capture/BUILD.gn
+++ b/chromium/third_party/webrtc/modules/desktop_capture/BUILD.gn
@@ -11,6 +11,11 @@ import("//build/config/ui.gni")
import("//tools/generate_stubs/rules.gni")
import("../../webrtc.gni")
+if (rtc_use_pipewire) {
+ assert(rtc_pipewire_version == "0.2" || rtc_pipewire_version == "0.3",
+ "Unsupported PipeWire version")
+}
+
use_desktop_capture_differ_sse2 = current_cpu == "x86" || current_cpu == "x64"
config("x11_config") {
@@ -200,22 +205,41 @@ if (is_linux || is_chromeos) {
]
}
- if (rtc_link_pipewire) {
+ if (rtc_pipewire_version == "0.3") {
pkg_config("pipewire") {
- packages = [ "libpipewire-0.2" ]
+ packages = [ "libpipewire-0.3" ]
+ if (!rtc_link_pipewire) {
+ ignore_libs = true
+ }
}
} else {
+ pkg_config("pipewire") {
+ packages = [ "libpipewire-0.2" ]
+ if (!rtc_link_pipewire) {
+ ignore_libs = true
+ }
+ }
+ }
+
+ if (!rtc_link_pipewire) {
# When libpipewire is not directly linked, use stubs to allow for dlopening of
# the binary.
generate_stubs("pipewire_stubs") {
- configs = [ "../../:common_config" ]
+ configs = [
+ "../../:common_config",
+ ":pipewire",
+ ]
deps = [ "../../rtc_base" ]
extra_header = "linux/pipewire_stub_header.fragment"
logging_function = "RTC_LOG(LS_VERBOSE)"
logging_include = "rtc_base/logging.h"
output_name = "linux/pipewire_stubs"
path_from_source = "modules/desktop_capture/linux"
- sigs = [ "linux/pipewire.sigs" ]
+ if (rtc_pipewire_version == "0.3") {
+ sigs = [ "linux/pipewire03.sigs" ]
+ } else {
+ sigs = [ "linux/pipewire02.sigs" ]
+ }
}
}
@@ -506,6 +530,7 @@ rtc_library("desktop_capture_generic") {
absl_deps = [
"//third_party/abseil-cpp/absl/memory",
"//third_party/abseil-cpp/absl/strings",
+ "//third_party/abseil-cpp/absl/types:optional",
]
if (rtc_use_x11_extensions) {
@@ -526,20 +551,15 @@ rtc_library("desktop_capture_generic") {
sources += [
"linux/base_capturer_pipewire.cc",
"linux/base_capturer_pipewire.h",
- "linux/screen_capturer_pipewire.cc",
- "linux/screen_capturer_pipewire.h",
- "linux/window_capturer_pipewire.cc",
- "linux/window_capturer_pipewire.h",
]
configs += [
":pipewire_config",
":gio",
+ ":pipewire",
]
- if (rtc_link_pipewire) {
- configs += [ ":pipewire" ]
- } else {
+ if (!rtc_link_pipewire) {
deps += [ ":pipewire_stubs" ]
}
}
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc b/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
index 2640e93aa98..c302a086ead 100644
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
+++ b/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
@@ -14,8 +14,14 @@
#include <glib-object.h>
#include <spa/param/format-utils.h>
#include <spa/param/props.h>
+#if !PW_CHECK_VERSION(0, 3, 0)
#include <spa/param/video/raw-utils.h>
#include <spa/support/type-map.h>
+#endif
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
#include <memory>
#include <utility>
@@ -30,7 +36,11 @@
#include "modules/desktop_capture/linux/pipewire_stubs.h"
using modules_desktop_capture_linux::InitializeStubs;
-using modules_desktop_capture_linux::kModulePipewire;
+#if PW_CHECK_VERSION(0, 3, 0)
+using modules_desktop_capture_linux::kModulePipewire03;
+#else
+using modules_desktop_capture_linux::kModulePipewire02;
+#endif
using modules_desktop_capture_linux::StubPathMap;
#endif // defined(WEBRTC_DLOPEN_PIPEWIRE)
@@ -47,9 +57,156 @@ const char kScreenCastInterfaceName[] = "org.freedesktop.portal.ScreenCast";
const int kBytesPerPixel = 4;
#if defined(WEBRTC_DLOPEN_PIPEWIRE)
+#if PW_CHECK_VERSION(0, 3, 0)
+const char kPipeWireLib[] = "libpipewire-0.3.so.0";
+#else
const char kPipeWireLib[] = "libpipewire-0.2.so.1";
#endif
+#endif
+// static
+struct dma_buf_sync {
+ uint64_t flags;
+};
+#define DMA_BUF_SYNC_READ (1 << 0)
+#define DMA_BUF_SYNC_START (0 << 2)
+#define DMA_BUF_SYNC_END (1 << 2)
+#define DMA_BUF_BASE 'b'
+#define DMA_BUF_IOCTL_SYNC _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)
+
+static void SyncDmaBuf(int fd, uint64_t start_or_end) {
+ struct dma_buf_sync sync = {0};
+
+ sync.flags = start_or_end | DMA_BUF_SYNC_READ;
+
+ 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;
+ } else {
+ break;
+ }
+ }
+}
+
+class ScopedBuf {
+ public:
+ ScopedBuf() {}
+ ScopedBuf(unsigned char* map, int map_size, bool is_dma_buf, int fd)
+ : map_(map), map_size_(map_size), is_dma_buf_(is_dma_buf), fd_(fd) {}
+ ~ScopedBuf() {
+ if (map_ != MAP_FAILED) {
+ if (is_dma_buf_) {
+ SyncDmaBuf(fd_, DMA_BUF_SYNC_END);
+ }
+ munmap(map_, map_size_);
+ }
+ }
+
+ operator bool() { return map_ != MAP_FAILED; }
+
+ void initialize(unsigned char* map, int map_size, bool is_dma_buf, int fd) {
+ map_ = map;
+ map_size_ = map_size;
+ is_dma_buf_ = is_dma_buf;
+ fd_ = fd;
+ }
+
+ unsigned char* get() { return map_; }
+
+ protected:
+ unsigned char* map_ = nullptr;
+ int map_size_;
+ bool is_dma_buf_;
+ int fd_;
+};
+
+template <class T>
+class Scoped {
+ public:
+ Scoped() {}
+ explicit Scoped(T* val) { ptr_ = val; }
+ ~Scoped() { RTC_NOTREACHED(); }
+
+ T* operator->() { return ptr_; }
+
+ bool operator!() { return ptr_ == nullptr; }
+
+ T* get() { return ptr_; }
+
+ T** receive() {
+ RTC_CHECK(!ptr_);
+ return &ptr_;
+ }
+
+ Scoped& operator=(T* val) {
+ ptr_ = val;
+ return *this;
+ }
+
+ protected:
+ T* ptr_ = nullptr;
+};
+
+template <>
+Scoped<GError>::~Scoped() {
+ if (ptr_) {
+ g_error_free(ptr_);
+ }
+}
+
+template <>
+Scoped<gchar>::~Scoped() {
+ if (ptr_) {
+ g_free(ptr_);
+ }
+}
+
+template <>
+Scoped<GVariant>::~Scoped() {
+ if (ptr_) {
+ g_variant_unref(ptr_);
+ }
+}
+
+template <>
+Scoped<GVariantIter>::~Scoped() {
+ if (ptr_) {
+ g_variant_iter_free(ptr_);
+ }
+}
+
+template <>
+Scoped<GDBusMessage>::~Scoped() {
+ if (ptr_) {
+ g_object_unref(ptr_);
+ }
+}
+
+template <>
+Scoped<GUnixFDList>::~Scoped() {
+ if (ptr_) {
+ g_object_unref(ptr_);
+ }
+}
+
+#if PW_CHECK_VERSION(0, 3, 0)
+void BaseCapturerPipeWire::OnCoreError(void* data,
+ uint32_t id,
+ int seq,
+ int res,
+ const char* message) {
+ BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
+ RTC_DCHECK(that);
+
+ RTC_LOG(LS_ERROR) << "PipeWire remote error: " << message;
+}
+#else
// static
void BaseCapturerPipeWire::OnStateChanged(void* data,
pw_remote_state old_state,
@@ -64,7 +221,7 @@ void BaseCapturerPipeWire::OnStateChanged(void* data,
break;
case PW_REMOTE_STATE_CONNECTED:
RTC_LOG(LS_INFO) << "PipeWire remote state: connected.";
- that->CreateReceivingStream();
+ that->pw_stream_ = that->CreateReceivingStream();
break;
case PW_REMOTE_STATE_CONNECTING:
RTC_LOG(LS_INFO) << "PipeWire remote state: connecting.";
@@ -74,6 +231,7 @@ void BaseCapturerPipeWire::OnStateChanged(void* data,
break;
}
}
+#endif
// static
void BaseCapturerPipeWire::OnStreamStateChanged(void* data,
@@ -83,6 +241,18 @@ void BaseCapturerPipeWire::OnStreamStateChanged(void* data,
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
RTC_DCHECK(that);
+#if PW_CHECK_VERSION(0, 3, 0)
+ switch (state) {
+ case PW_STREAM_STATE_ERROR:
+ RTC_LOG(LS_ERROR) << "PipeWire stream state error: " << error_message;
+ break;
+ case PW_STREAM_STATE_PAUSED:
+ case PW_STREAM_STATE_STREAMING:
+ case PW_STREAM_STATE_UNCONNECTED:
+ case PW_STREAM_STATE_CONNECTING:
+ break;
+ }
+#else
switch (state) {
case PW_STREAM_STATE_ERROR:
RTC_LOG(LS_ERROR) << "PipeWire stream state error: " << error_message;
@@ -97,36 +267,74 @@ void BaseCapturerPipeWire::OnStreamStateChanged(void* data,
case PW_STREAM_STATE_STREAMING:
break;
}
+#endif
}
// static
+#if PW_CHECK_VERSION(0, 3, 0)
+void BaseCapturerPipeWire::OnStreamParamChanged(void* data,
+ uint32_t id,
+ const struct spa_pod* format) {
+#else
void BaseCapturerPipeWire::OnStreamFormatChanged(void* data,
const struct spa_pod* format) {
+#endif
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(data);
RTC_DCHECK(that);
RTC_LOG(LS_INFO) << "PipeWire stream format changed.";
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (!format || id != SPA_PARAM_Format) {
+#else
if (!format) {
pw_stream_finish_format(that->pw_stream_, /*res=*/0, /*params=*/nullptr,
/*n_params=*/0);
+#endif
return;
}
+#if PW_CHECK_VERSION(0, 3, 0)
+ spa_format_video_raw_parse(format, &that->spa_video_format_);
+#else
that->spa_video_format_ = new spa_video_info_raw();
spa_format_video_raw_parse(format, that->spa_video_format_,
&that->pw_type_->format_video);
+#endif
+#if PW_CHECK_VERSION(0, 3, 0)
+ auto width = that->spa_video_format_.size.width;
+ auto height = that->spa_video_format_.size.height;
+#else
auto width = that->spa_video_format_->size.width;
auto height = that->spa_video_format_->size.height;
+#endif
auto stride = SPA_ROUND_UP_N(width * kBytesPerPixel, 4);
auto size = height * stride;
+ that->desktop_size_ = DesktopSize(width, height);
+
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];
+ const struct spa_pod* params[3];
+#if PW_CHECK_VERSION(0, 3, 0)
+ 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);
+#else
params[0] = reinterpret_cast<spa_pod*>(spa_pod_builder_object(
&builder,
// id to enumerate buffer requirements
@@ -155,8 +363,18 @@ void BaseCapturerPipeWire::OnStreamFormatChanged(void* data,
// 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);
+ params[2] = 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.VideoCrop,
+ // Size: size of the metadata, specified as integer (i)
+ ":", that->pw_core_type_->param_meta.size, "i",
+ sizeof(struct spa_meta_video_crop)));
+ pw_stream_finish_format(that->pw_stream_, /*res=*/0, params, /*n_params=*/3);
+#endif
}
// static
@@ -164,15 +382,26 @@ 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;
+
+ 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 (!(buf = 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)
@@ -183,6 +412,7 @@ BaseCapturerPipeWire::~BaseCapturerPipeWire() {
pw_thread_loop_stop(pw_main_loop_);
}
+#if !PW_CHECK_VERSION(0, 3, 0)
if (pw_type_) {
delete pw_type_;
}
@@ -190,30 +420,41 @@ BaseCapturerPipeWire::~BaseCapturerPipeWire() {
if (spa_video_format_) {
delete spa_video_format_;
}
+#endif
if (pw_stream_) {
pw_stream_destroy(pw_stream_);
}
+#if !PW_CHECK_VERSION(0, 3, 0)
if (pw_remote_) {
pw_remote_destroy(pw_remote_);
}
+#endif
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (pw_core_) {
+ pw_core_disconnect(pw_core_);
+ }
+
+ if (pw_context_) {
+ pw_context_destroy(pw_context_);
+ }
+#else
if (pw_core_) {
pw_core_destroy(pw_core_);
}
+#endif
if (pw_main_loop_) {
pw_thread_loop_destroy(pw_main_loop_);
}
+#if !PW_CHECK_VERSION(0, 3, 0)
if (pw_loop_) {
pw_loop_destroy(pw_loop_);
}
-
- if (current_frame_) {
- free(current_frame_);
- }
+#endif
if (start_request_signal_id_) {
g_dbus_connection_signal_unsubscribe(connection_, start_request_signal_id_);
@@ -228,18 +469,16 @@ BaseCapturerPipeWire::~BaseCapturerPipeWire() {
}
if (session_handle_) {
- GDBusMessage* message = g_dbus_message_new_method_call(
- kDesktopBusName, session_handle_, kSessionInterfaceName, "Close");
- if (message) {
- GError* error = nullptr;
- g_dbus_connection_send_message(connection_, message,
+ Scoped<GDBusMessage> message(g_dbus_message_new_method_call(
+ kDesktopBusName, session_handle_, kSessionInterfaceName, "Close"));
+ if (message.get()) {
+ Scoped<GError> error;
+ g_dbus_connection_send_message(connection_, message.get(),
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
- /*out_serial=*/nullptr, &error);
- if (error) {
+ /*out_serial=*/nullptr, error.receive());
+ if (error.get()) {
RTC_LOG(LS_ERROR) << "Failed to close the session: " << error->message;
- g_error_free(error);
}
- g_object_unref(message);
}
}
@@ -274,7 +513,11 @@ void BaseCapturerPipeWire::InitPipeWire() {
StubPathMap paths;
// Check if the PipeWire library is available.
- paths[kModulePipewire].push_back(kPipeWireLib);
+#if PW_CHECK_VERSION(0, 3, 0)
+ paths[kModulePipewire03].push_back(kPipeWireLib);
+#else
+ paths[kModulePipewire02].push_back(kPipeWireLib);
+#endif
if (!InitializeStubs(paths)) {
RTC_LOG(LS_ERROR) << "Failed to load the PipeWire library and symbols.";
portal_init_failed_ = true;
@@ -284,16 +527,46 @@ void BaseCapturerPipeWire::InitPipeWire() {
pw_init(/*argc=*/nullptr, /*argc=*/nullptr);
+#if PW_CHECK_VERSION(0, 3, 0)
+ pw_main_loop_ = pw_thread_loop_new("pipewire-main-loop", nullptr);
+
+ pw_thread_loop_lock(pw_main_loop_);
+
+ 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_context_connect(pw_context_, nullptr, 0);
+ if (!pw_core_) {
+ RTC_LOG(LS_ERROR) << "Failed to connect PipeWire context";
+ return;
+ }
+#else
pw_loop_ = pw_loop_new(/*properties=*/nullptr);
pw_main_loop_ = pw_thread_loop_new(pw_loop_, "pipewire-main-loop");
+ pw_thread_loop_lock(pw_main_loop_);
+
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();
+#endif
// Initialize event handlers, remote end and stream-related.
+#if PW_CHECK_VERSION(0, 3, 0)
+ 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_.param_changed = &OnStreamParamChanged;
+ pw_stream_events_.process = &OnStreamProcess;
+#else
pw_remote_events_.version = PW_VERSION_REMOTE_EVENTS;
pw_remote_events_.state_changed = &OnStateChanged;
@@ -301,19 +574,33 @@ void BaseCapturerPipeWire::InitPipeWire() {
pw_stream_events_.state_changed = &OnStreamStateChanged;
pw_stream_events_.format_changed = &OnStreamFormatChanged;
pw_stream_events_.process = &OnStreamProcess;
+#endif
+#if PW_CHECK_VERSION(0, 3, 0)
+ 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;
+ }
+#else
pw_remote_add_listener(pw_remote_, &spa_remote_listener_, &pw_remote_events_,
this);
pw_remote_connect_fd(pw_remote_, pw_fd_);
+#endif
if (pw_thread_loop_start(pw_main_loop_) < 0) {
RTC_LOG(LS_ERROR) << "Failed to start main PipeWire loop";
portal_init_failed_ = true;
}
+ pw_thread_loop_unlock(pw_main_loop_);
+
RTC_LOG(LS_INFO) << "PipeWire remote opened.";
}
+#if !PW_CHECK_VERSION(0, 3, 0)
void BaseCapturerPipeWire::InitPipeWireTypes() {
spa_type_map* map = pw_core_type_->map;
pw_type_ = new PipeWireType();
@@ -323,23 +610,44 @@ void BaseCapturerPipeWire::InitPipeWireTypes() {
spa_type_format_video_map(map, &pw_type_->format_video);
spa_type_video_format_map(map, &pw_type_->video_format);
}
+#endif
-void BaseCapturerPipeWire::CreateReceivingStream() {
+pw_stream* BaseCapturerPipeWire::CreateReceivingStream() {
+#if !PW_CHECK_VERSION(0, 3, 0)
+ if (pw_remote_get_state(pw_remote_, nullptr) != PW_REMOTE_STATE_CONNECTED) {
+ RTC_LOG(LS_ERROR) << "Cannot create pipewire stream";
+ return nullptr;
+ }
+#endif
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())};
-
- spa_fraction pwFrameRateMin = spa_fraction{0, 1};
- spa_fraction pwFrameRateMax = spa_fraction{60, 1};
+ spa_rectangle pwMaxScreenBounds = spa_rectangle{UINT32_MAX, UINT32_MAX};
pw_properties* reuseProps =
pw_properties_new_string("pipewire.client.reuse=1");
- pw_stream_ = pw_stream_new(pw_remote_, "webrtc-consume-stream", reuseProps);
+#if PW_CHECK_VERSION(0, 3, 0)
+ auto stream = pw_stream_new(pw_core_, "webrtc-consume-stream", reuseProps);
+#else
+ auto stream = pw_stream_new(pw_remote_, "webrtc-consume-stream", reuseProps);
+#endif
uint8_t buffer[1024] = {};
const spa_pod* params[1];
spa_pod_builder builder = spa_pod_builder{buffer, sizeof(buffer)};
+
+#if PW_CHECK_VERSION(0, 3, 0)
+ 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));
+#else
params[0] = reinterpret_cast<spa_pod*>(spa_pod_builder_object(
&builder,
// id to enumerate formats
@@ -349,69 +657,218 @@ void BaseCapturerPipeWire::CreateReceivingStream() {
// 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),
+ SPA_POD_PROP_ENUM(
+ 4, pw_type_->video_format.RGBx, pw_type_->video_format.BGRx,
+ pw_type_->video_format.RGBA, pw_type_->video_format.BGRA),
// 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));
-
- pw_stream_add_listener(pw_stream_, &spa_stream_listener_, &pw_stream_events_,
+ ":", pw_type_->format_video.size, "Rru", &pwMinScreenBounds,
+ SPA_POD_PROP_MIN_MAX(&pwMinScreenBounds, &pwMaxScreenBounds)));
+#endif
+
+ pw_stream_add_listener(stream, &spa_stream_listener_, &pw_stream_events_,
this);
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (pw_stream_connect(stream, PW_DIRECTION_INPUT, pw_stream_node_id_,
+ PW_STREAM_FLAG_AUTOCONNECT, params, 1) != 0) {
+#else
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,
+ PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_INACTIVE);
+ if (pw_stream_connect(stream, PW_DIRECTION_INPUT, /*port_path=*/nullptr,
flags, params,
/*n_params=*/1) != 0) {
+#endif
RTC_LOG(LS_ERROR) << "Could not connect receiving stream.";
portal_init_failed_ = true;
- return;
+ return nullptr;
}
+
+ return stream;
}
void BaseCapturerPipeWire::HandleBuffer(pw_buffer* buffer) {
spa_buffer* spaBuffer = buffer->buffer;
- void* src = nullptr;
+ ScopedBuf map;
+ uint8_t* src = nullptr;
+
+ if (spaBuffer->datas[0].chunk->size == 0) {
+ RTC_LOG(LS_ERROR) << "Failed to get video stream: Zero size.";
+ return;
+ }
+
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (spaBuffer->datas[0].type == SPA_DATA_MemFd ||
+ spaBuffer->datas[0].type == SPA_DATA_DmaBuf) {
+#else
+ if (spaBuffer->datas[0].type == pw_core_type_->data.MemFd ||
+ spaBuffer->datas[0].type == pw_core_type_->data.DmaBuf) {
+#endif
+ map.initialize(
+ static_cast<uint8_t*>(
+ mmap(nullptr,
+ spaBuffer->datas[0].maxsize + spaBuffer->datas[0].mapoffset,
+ PROT_READ, MAP_PRIVATE, spaBuffer->datas[0].fd, 0)),
+ spaBuffer->datas[0].maxsize + spaBuffer->datas[0].mapoffset,
+#if PW_CHECK_VERSION(0, 3, 0)
+ spaBuffer->datas[0].type == SPA_DATA_DmaBuf,
+#else
+ spaBuffer->datas[0].type == pw_core_type_->data.DmaBuf,
+#endif
+ spaBuffer->datas[0].fd);
+
+ if (!map) {
+ RTC_LOG(LS_ERROR) << "Failed to mmap the memory: "
+ << std::strerror(errno);
+ return;
+ }
+
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (spaBuffer->datas[0].type == SPA_DATA_DmaBuf) {
+#else
+ if (spaBuffer->datas[0].type == pw_core_type_->data.DmaBuf) {
+#endif
+ SyncDmaBuf(spaBuffer->datas[0].fd, DMA_BUF_SYNC_START);
+ }
+
+ src = SPA_MEMBER(map.get(), spaBuffer->datas[0].mapoffset, uint8_t);
+#if PW_CHECK_VERSION(0, 3, 0)
+ } else if (spaBuffer->datas[0].type == SPA_DATA_MemPtr) {
+#else
+ } else if (spaBuffer->datas[0].type == pw_core_type_->data.MemPtr) {
+#endif
+ src = static_cast<uint8_t*>(spaBuffer->datas[0].data);
+ }
- if (!(src = spaBuffer->datas[0].data)) {
+ if (!src) {
+ return;
+ }
+
+#if PW_CHECK_VERSION(0, 3, 0)
+ struct spa_meta_region* video_metadata =
+ static_cast<struct spa_meta_region*>(spa_buffer_find_meta_data(
+ spaBuffer, SPA_META_VideoCrop, sizeof(*video_metadata)));
+#else
+ struct spa_meta_video_crop* video_metadata =
+ static_cast<struct spa_meta_video_crop*>(
+ spa_buffer_find_meta(spaBuffer, pw_core_type_->meta.VideoCrop));
+#endif
+
+ // Video size from metadata is bigger than an actual video stream size.
+ // The metadata are wrong or we should up-scale the video...in both cases
+ // just quit now.
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (video_metadata && (video_metadata->region.size.width >
+ static_cast<uint32_t>(desktop_size_.width()) ||
+ video_metadata->region.size.height >
+ static_cast<uint32_t>(desktop_size_.height()))) {
+#else
+ if (video_metadata && (video_metadata->width > desktop_size_.width() ||
+ video_metadata->height > desktop_size_.height())) {
+#endif
+ RTC_LOG(LS_ERROR) << "Stream metadata sizes are wrong!";
return;
}
- uint32_t maxSize = spaBuffer->datas[0].maxsize;
- int32_t srcStride = spaBuffer->datas[0].chunk->stride;
- if (srcStride != (desktop_size_.width() * kBytesPerPixel)) {
+ // Use video metadata when video size from metadata is set and smaller than
+ // video stream size, so we need to adjust it.
+ bool video_is_full_width = true;
+ bool video_is_full_height = true;
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (video_metadata && video_metadata->region.size.width != 0 &&
+ video_metadata->region.size.height != 0) {
+ if (video_metadata->region.size.width <
+ static_cast<uint32_t>(desktop_size_.width())) {
+ video_is_full_width = false;
+ } else if (video_metadata->region.size.height <
+ static_cast<uint32_t>(desktop_size_.height())) {
+ video_is_full_height = false;
+ }
+ }
+#else
+ if (video_metadata && video_metadata->width != 0 &&
+ video_metadata->height != 0) {
+ if (video_metadata->width < desktop_size_.width()) {
+ } else if (video_metadata->height < desktop_size_.height()) {
+ video_is_full_height = false;
+ }
+ }
+#endif
+
+ DesktopSize video_size_prev = video_size_;
+ if (!video_is_full_height || !video_is_full_width) {
+#if PW_CHECK_VERSION(0, 3, 0)
+ video_size_ = DesktopSize(video_metadata->region.size.width,
+ video_metadata->region.size.height);
+#else
+ video_size_ = DesktopSize(video_metadata->width, video_metadata->height);
+#endif
+ } else {
+ video_size_ = desktop_size_;
+ }
+
+ webrtc::MutexLock lock(&current_frame_lock_);
+ if (!current_frame_ || !video_size_.equals(video_size_prev)) {
+ current_frame_ = std::make_unique<uint8_t[]>(
+ video_size_.width() * video_size_.height() * kBytesPerPixel);
+ }
+
+ const int32_t dst_stride = video_size_.width() * kBytesPerPixel;
+ const int32_t src_stride = spaBuffer->datas[0].chunk->stride;
+
+ if (src_stride != (desktop_size_.width() * kBytesPerPixel)) {
RTC_LOG(LS_ERROR) << "Got buffer with stride different from screen stride: "
- << srcStride
+ << src_stride
<< " != " << (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);
-
- // 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 metadata video position
+#if PW_CHECK_VERSION(0, 3, 0)
+ if (!video_is_full_height &&
+ (video_metadata->region.position.y + video_size_.height() <=
+ desktop_size_.height())) {
+ src += src_stride * video_metadata->region.position.y;
+ }
+ const int x_offset =
+ !video_is_full_width &&
+ (video_metadata->region.position.x + video_size_.width() <=
+ desktop_size_.width())
+ ? video_metadata->region.position.x * kBytesPerPixel
+ : 0;
+#else
+ if (!video_is_full_height &&
+ (video_metadata->y + video_size_.height() <= desktop_size_.height())) {
+ src += src_stride * video_metadata->y;
+ }
+
+ const int x_offset =
+ !video_is_full_width &&
+ (video_metadata->x + video_size_.width() <= desktop_size_.width())
+ ? video_metadata->x * kBytesPerPixel
+ : 0;
+#endif
+
+ uint8_t* dst = current_frame_.get();
+ for (int i = 0; i < video_size_.height(); ++i) {
+ // Adjust source content based on crop video position if needed
+ src += x_offset;
+ std::memcpy(dst, src, dst_stride);
+ // 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 PW_CHECK_VERSION(0, 3, 0)
+ if (spa_video_format_.format == SPA_VIDEO_FORMAT_RGBx ||
+ spa_video_format_.format == SPA_VIDEO_FORMAT_RGBA) {
+#else
+ if (spa_video_format_->format == pw_type_->video_format.RGBx ||
+ spa_video_format_->format == pw_type_->video_format.RGBA) {
+#endif
+ ConvertRGBxToBGRx(dst, dst_stride);
+ }
+ src += src_stride - x_offset;
+ dst += dst_stride;
}
}
@@ -441,14 +898,13 @@ void BaseCapturerPipeWire::OnProxyRequested(GObject* /*object*/,
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(user_data);
RTC_DCHECK(that);
- GError* error = nullptr;
- GDBusProxy *proxy = g_dbus_proxy_new_finish(result, &error);
+ Scoped<GError> error;
+ GDBusProxy* proxy = g_dbus_proxy_new_finish(result, error.receive());
if (!proxy) {
- if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
RTC_LOG(LS_ERROR) << "Failed to create a proxy for the screen cast portal: "
<< error->message;
- g_error_free(error);
that->portal_init_failed_ = true;
return;
}
@@ -462,38 +918,36 @@ void BaseCapturerPipeWire::OnProxyRequested(GObject* /*object*/,
// static
gchar* BaseCapturerPipeWire::PrepareSignalHandle(GDBusConnection* connection,
const gchar* token) {
- gchar* sender = g_strdup(g_dbus_connection_get_unique_name(connection) + 1);
- for (int i = 0; sender[i]; i++) {
- if (sender[i] == '.') {
- sender[i] = '_';
+ Scoped<gchar> sender(
+ g_strdup(g_dbus_connection_get_unique_name(connection) + 1));
+ for (int i = 0; sender.get()[i]; i++) {
+ if (sender.get()[i] == '.') {
+ sender.get()[i] = '_';
}
}
- gchar* handle = g_strconcat(kDesktopRequestObjectPath, "/", sender, "/",
+ gchar* handle = g_strconcat(kDesktopRequestObjectPath, "/", sender.get(), "/",
token, /*end of varargs*/ nullptr);
- g_free(sender);
return handle;
}
void BaseCapturerPipeWire::SessionRequest() {
GVariantBuilder builder;
- gchar* variant_string;
+ Scoped<gchar> variant_string;
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
variant_string =
g_strdup_printf("webrtc_session%d", g_random_int_range(0, G_MAXINT));
g_variant_builder_add(&builder, "{sv}", "session_handle_token",
- g_variant_new_string(variant_string));
- g_free(variant_string);
+ g_variant_new_string(variant_string.get()));
variant_string = g_strdup_printf("webrtc%d", g_random_int_range(0, G_MAXINT));
g_variant_builder_add(&builder, "{sv}", "handle_token",
- g_variant_new_string(variant_string));
+ g_variant_new_string(variant_string.get()));
- portal_handle_ = PrepareSignalHandle(connection_, variant_string);
+ portal_handle_ = PrepareSignalHandle(connection_, variant_string.get());
session_request_signal_id_ = SetupRequestResponseSignal(
portal_handle_, OnSessionRequestResponseSignal);
- g_free(variant_string);
RTC_LOG(LS_INFO) << "Screen cast session requested.";
g_dbus_proxy_call(
@@ -509,22 +963,21 @@ void BaseCapturerPipeWire::OnSessionRequested(GDBusProxy *proxy,
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(user_data);
RTC_DCHECK(that);
- GError* error = nullptr;
- GVariant* variant = g_dbus_proxy_call_finish(proxy, result, &error);
+ Scoped<GError> error;
+ Scoped<GVariant> variant(
+ g_dbus_proxy_call_finish(proxy, result, error.receive()));
if (!variant) {
- if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
RTC_LOG(LS_ERROR) << "Failed to create a screen cast session: "
<< error->message;
- g_error_free(error);
that->portal_init_failed_ = true;
return;
}
RTC_LOG(LS_INFO) << "Initializing the screen cast session.";
- gchar* handle = nullptr;
- g_variant_get_child(variant, 0, "o", &handle);
- g_variant_unref(variant);
+ Scoped<gchar> handle;
+ g_variant_get_child(variant.get(), 0, "o", &handle);
if (!handle) {
RTC_LOG(LS_ERROR) << "Failed to initialize the screen cast session.";
if (that->session_request_signal_id_) {
@@ -536,8 +989,6 @@ void BaseCapturerPipeWire::OnSessionRequested(GDBusProxy *proxy,
return;
}
- g_free(handle);
-
RTC_LOG(LS_INFO) << "Subscribing to the screen cast session.";
}
@@ -557,11 +1008,11 @@ void BaseCapturerPipeWire::OnSessionRequestResponseSignal(
<< "Received response for the screen cast session subscription.";
guint32 portal_response;
- GVariant* response_data;
- g_variant_get(parameters, "(u@a{sv})", &portal_response, &response_data);
- g_variant_lookup(response_data, "session_handle", "s",
+ Scoped<GVariant> response_data;
+ g_variant_get(parameters, "(u@a{sv})", &portal_response,
+ response_data.receive());
+ g_variant_lookup(response_data.get(), "session_handle", "s",
&that->session_handle_);
- g_variant_unref(response_data);
if (!that->session_handle_ || portal_response) {
RTC_LOG(LS_ERROR)
@@ -575,23 +1026,23 @@ void BaseCapturerPipeWire::OnSessionRequestResponseSignal(
void BaseCapturerPipeWire::SourcesRequest() {
GVariantBuilder builder;
- gchar* variant_string;
+ Scoped<gchar> variant_string;
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
// We want to record monitor content.
- g_variant_builder_add(&builder, "{sv}", "types",
- g_variant_new_uint32(capture_source_type_));
+ g_variant_builder_add(
+ &builder, "{sv}", "types",
+ g_variant_new_uint32(static_cast<uint32_t>(capture_source_type_)));
// We don't want to allow selection of multiple sources.
g_variant_builder_add(&builder, "{sv}", "multiple",
g_variant_new_boolean(false));
variant_string = g_strdup_printf("webrtc%d", g_random_int_range(0, G_MAXINT));
g_variant_builder_add(&builder, "{sv}", "handle_token",
- g_variant_new_string(variant_string));
+ g_variant_new_string(variant_string.get()));
- sources_handle_ = PrepareSignalHandle(connection_, variant_string);
+ sources_handle_ = PrepareSignalHandle(connection_, variant_string.get());
sources_request_signal_id_ = SetupRequestResponseSignal(
sources_handle_, OnSourcesRequestResponseSignal);
- g_free(variant_string);
RTC_LOG(LS_INFO) << "Requesting sources from the screen cast session.";
g_dbus_proxy_call(
@@ -608,22 +1059,21 @@ void BaseCapturerPipeWire::OnSourcesRequested(GDBusProxy *proxy,
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(user_data);
RTC_DCHECK(that);
- GError* error = nullptr;
- GVariant* variant = g_dbus_proxy_call_finish(proxy, result, &error);
+ Scoped<GError> error;
+ Scoped<GVariant> variant(
+ g_dbus_proxy_call_finish(proxy, result, error.receive()));
if (!variant) {
- if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
RTC_LOG(LS_ERROR) << "Failed to request the sources: " << error->message;
- g_error_free(error);
that->portal_init_failed_ = true;
return;
}
RTC_LOG(LS_INFO) << "Sources requested from the screen cast session.";
- gchar* handle = nullptr;
- g_variant_get_child(variant, 0, "o", &handle);
- g_variant_unref(variant);
+ Scoped<gchar> handle;
+ g_variant_get_child(variant.get(), 0, "o", handle.receive());
if (!handle) {
RTC_LOG(LS_ERROR) << "Failed to initialize the screen cast session.";
if (that->sources_request_signal_id_) {
@@ -635,8 +1085,6 @@ void BaseCapturerPipeWire::OnSourcesRequested(GDBusProxy *proxy,
return;
}
- g_free(handle);
-
RTC_LOG(LS_INFO) << "Subscribed to sources signal.";
}
@@ -668,17 +1116,16 @@ void BaseCapturerPipeWire::OnSourcesRequestResponseSignal(
void BaseCapturerPipeWire::StartRequest() {
GVariantBuilder builder;
- gchar* variant_string;
+ Scoped<gchar> variant_string;
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
variant_string = g_strdup_printf("webrtc%d", g_random_int_range(0, G_MAXINT));
g_variant_builder_add(&builder, "{sv}", "handle_token",
- g_variant_new_string(variant_string));
+ g_variant_new_string(variant_string.get()));
- start_handle_ = PrepareSignalHandle(connection_, variant_string);
+ start_handle_ = PrepareSignalHandle(connection_, variant_string.get());
start_request_signal_id_ =
SetupRequestResponseSignal(start_handle_, OnStartRequestResponseSignal);
- g_free(variant_string);
// "Identifier for the application window", this is Wayland, so not "x11:...".
const gchar parent_window[] = "";
@@ -698,23 +1145,22 @@ void BaseCapturerPipeWire::OnStartRequested(GDBusProxy *proxy,
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(user_data);
RTC_DCHECK(that);
- GError* error = nullptr;
- GVariant* variant = g_dbus_proxy_call_finish(proxy, result, &error);
+ Scoped<GError> error;
+ Scoped<GVariant> variant(
+ g_dbus_proxy_call_finish(proxy, result, error.receive()));
if (!variant) {
- if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
RTC_LOG(LS_ERROR) << "Failed to start the screen cast session: "
<< error->message;
- g_error_free(error);
that->portal_init_failed_ = true;
return;
}
RTC_LOG(LS_INFO) << "Initializing the start of the screen cast session.";
- gchar* handle = nullptr;
- g_variant_get_child(variant, 0, "o", &handle);
- g_variant_unref(variant);
+ Scoped<gchar> handle;
+ g_variant_get_child(variant.get(), 0, "o", handle.receive());
if (!handle) {
RTC_LOG(LS_ERROR)
<< "Failed to initialize the start of the screen cast session.";
@@ -727,8 +1173,6 @@ void BaseCapturerPipeWire::OnStartRequested(GDBusProxy *proxy,
return;
}
- g_free(handle);
-
RTC_LOG(LS_INFO) << "Subscribed to the start signal.";
}
@@ -746,9 +1190,10 @@ void BaseCapturerPipeWire::OnStartRequestResponseSignal(
RTC_LOG(LS_INFO) << "Start signal received.";
guint32 portal_response;
- GVariant* response_data;
- GVariantIter* iter = nullptr;
- g_variant_get(parameters, "(u@a{sv})", &portal_response, &response_data);
+ Scoped<GVariant> response_data;
+ Scoped<GVariantIter> iter;
+ g_variant_get(parameters, "(u@a{sv})", &portal_response,
+ response_data.receive());
if (portal_response || !response_data) {
RTC_LOG(LS_ERROR) << "Failed to start the screen cast session.";
that->portal_init_failed_ = true;
@@ -758,28 +1203,28 @@ void BaseCapturerPipeWire::OnStartRequestResponseSignal(
// Array of PipeWire streams. See
// https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.ScreenCast.xml
// documentation for <method name="Start">.
- if (g_variant_lookup(response_data, "streams", "a(ua{sv})", &iter)) {
- GVariant* variant;
+ if (g_variant_lookup(response_data.get(), "streams", "a(ua{sv})",
+ iter.receive())) {
+ Scoped<GVariant> variant;
- while (g_variant_iter_next(iter, "@(ua{sv})", &variant)) {
+ while (g_variant_iter_next(iter.get(), "@(ua{sv})", variant.receive())) {
guint32 stream_id;
- gint32 width;
- gint32 height;
- GVariant* options;
+ guint32 type;
+ Scoped<GVariant> options;
- g_variant_get(variant, "(u@a{sv})", &stream_id, &options);
- RTC_DCHECK(options != nullptr);
+ g_variant_get(variant.get(), "(u@a{sv})", &stream_id, options.receive());
+ RTC_DCHECK(options.get());
- g_variant_lookup(options, "size", "(ii)", &width, &height);
+ if (g_variant_lookup(options.get(), "source_type", "u", &type)) {
+ that->capture_source_type_ =
+ static_cast<BaseCapturerPipeWire::CaptureSourceType>(type);
+ }
- that->desktop_size_.set(width, height);
+ that->pw_stream_node_id_ = stream_id;
- g_variant_unref(options);
- g_variant_unref(variant);
+ break;
}
}
- g_variant_iter_free(iter);
- g_variant_unref(response_data);
that->OpenPipeWireRemote();
}
@@ -807,35 +1252,30 @@ void BaseCapturerPipeWire::OnOpenPipeWireRemoteRequested(
BaseCapturerPipeWire* that = static_cast<BaseCapturerPipeWire*>(user_data);
RTC_DCHECK(that);
- GError* error = nullptr;
- GUnixFDList* outlist = nullptr;
- GVariant* variant = g_dbus_proxy_call_with_unix_fd_list_finish(
- proxy, &outlist, result, &error);
+ Scoped<GError> error;
+ Scoped<GUnixFDList> outlist;
+ Scoped<GVariant> variant(g_dbus_proxy_call_with_unix_fd_list_finish(
+ proxy, outlist.receive(), result, error.receive()));
if (!variant) {
- if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
RTC_LOG(LS_ERROR) << "Failed to open the PipeWire remote: "
<< error->message;
- g_error_free(error);
that->portal_init_failed_ = true;
return;
}
gint32 index;
- g_variant_get(variant, "(h)", &index);
+ g_variant_get(variant.get(), "(h)", &index);
- if ((that->pw_fd_ = g_unix_fd_list_get(outlist, index, &error)) == -1) {
+ if ((that->pw_fd_ =
+ g_unix_fd_list_get(outlist.get(), index, error.receive())) == -1) {
RTC_LOG(LS_ERROR) << "Failed to get file descriptor from the list: "
<< error->message;
- g_error_free(error);
- g_variant_unref(variant);
that->portal_init_failed_ = true;
return;
}
- g_variant_unref(variant);
- g_object_unref(outlist);
-
that->InitPipeWire();
}
@@ -854,15 +1294,18 @@ void BaseCapturerPipeWire::CaptureFrame() {
return;
}
+ webrtc::MutexLock lock(&current_frame_lock_);
if (!current_frame_) {
callback_->OnCaptureResult(Result::ERROR_TEMPORARY, nullptr);
return;
}
- std::unique_ptr<DesktopFrame> result(new BasicDesktopFrame(desktop_size_));
+ DesktopSize frame_size = video_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;
@@ -887,4 +1330,11 @@ bool BaseCapturerPipeWire::SelectSource(SourceId id) {
return true;
}
+// static
+std::unique_ptr<DesktopCapturer> BaseCapturerPipeWire::CreateRawCapturer(
+ const DesktopCaptureOptions& options) {
+ return std::make_unique<BaseCapturerPipeWire>(
+ BaseCapturerPipeWire::CaptureSourceType::kAny);
+}
+
} // namespace webrtc
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h b/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
index f28d7a558bc..75d20dbf1db 100644
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
+++ b/chromium/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.h
@@ -10,18 +10,23 @@
#ifndef MODULES_DESKTOP_CAPTURE_LINUX_BASE_CAPTURER_PIPEWIRE_H_
#define MODULES_DESKTOP_CAPTURE_LINUX_BASE_CAPTURER_PIPEWIRE_H_
-
#include <gio/gio.h>
#define typeof __typeof__
#include <pipewire/pipewire.h>
#include <spa/param/video/format-utils.h>
+#if PW_CHECK_VERSION(0, 3, 0)
+#include <spa/utils/result.h>
+#endif
+#include "absl/types/optional.h"
#include "modules/desktop_capture/desktop_capture_options.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "rtc_base/constructor_magic.h"
+#include "rtc_base/synchronization/mutex.h"
namespace webrtc {
+#if !PW_CHECK_VERSION(0, 3, 0)
class PipeWireType {
public:
spa_type_media_type media_type;
@@ -29,14 +34,25 @@ class PipeWireType {
spa_type_format_video format_video;
spa_type_video_format video_format;
};
+#endif
class BaseCapturerPipeWire : public DesktopCapturer {
public:
- enum CaptureSourceType { Screen = 1, Window };
+ // Values are set based on source type property in
+ // xdg-desktop-portal/screencast
+ // https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.ScreenCast.xml
+ enum class CaptureSourceType : uint32_t {
+ kScreen = 0b01,
+ kWindow = 0b10,
+ kAny = 0b11
+ };
explicit BaseCapturerPipeWire(CaptureSourceType source_type);
~BaseCapturerPipeWire() override;
+ static std::unique_ptr<DesktopCapturer> CreateRawCapturer(
+ const DesktopCaptureOptions& options);
+
// DesktopCapturer interface.
void Start(Callback* delegate) override;
void CaptureFrame() override;
@@ -45,6 +61,21 @@ class BaseCapturerPipeWire : public DesktopCapturer {
private:
// PipeWire types -->
+#if PW_CHECK_VERSION(0, 3, 0)
+ struct pw_context* pw_context_ = nullptr;
+ struct pw_core* pw_core_ = nullptr;
+ struct pw_stream* pw_stream_ = nullptr;
+ struct pw_thread_loop* pw_main_loop_ = nullptr;
+
+ spa_hook spa_core_listener_;
+ spa_hook spa_stream_listener_;
+
+ // event handlers
+ pw_core_events pw_core_events_ = {};
+ pw_stream_events pw_stream_events_ = {};
+
+ struct spa_video_info_raw spa_video_format_;
+#else
pw_core* pw_core_ = nullptr;
pw_type* pw_core_type_ = nullptr;
pw_stream* pw_stream_ = nullptr;
@@ -60,11 +91,13 @@ class BaseCapturerPipeWire : public DesktopCapturer {
pw_remote_events pw_remote_events_ = {};
spa_video_info_raw* spa_video_format_ = nullptr;
+#endif
+ guint32 pw_stream_node_id_ = 0;
gint32 pw_fd_ = -1;
CaptureSourceType capture_source_type_ =
- BaseCapturerPipeWire::CaptureSourceType::Screen;
+ BaseCapturerPipeWire::CaptureSourceType::kScreen;
// <-- end of PipeWire types
@@ -79,10 +112,12 @@ class BaseCapturerPipeWire : public DesktopCapturer {
guint sources_request_signal_id_ = 0;
guint start_request_signal_id_ = 0;
+ DesktopSize video_size_;
DesktopSize desktop_size_ = {};
DesktopCaptureOptions options_ = {};
- uint8_t* current_frame_ = nullptr;
+ webrtc::Mutex current_frame_lock_;
+ std::unique_ptr<uint8_t[]> current_frame_;
Callback* callback_ = nullptr;
bool portal_init_failed_ = false;
@@ -91,21 +126,32 @@ class BaseCapturerPipeWire : public DesktopCapturer {
void InitPipeWire();
void InitPipeWireTypes();
- void CreateReceivingStream();
+ pw_stream* CreateReceivingStream();
void HandleBuffer(pw_buffer* buffer);
void ConvertRGBxToBGRx(uint8_t* frame, uint32_t size);
+#if PW_CHECK_VERSION(0, 3, 0)
+ 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);
+#else
static void OnStateChanged(void* data,
pw_remote_state old_state,
pw_remote_state state,
const char* error);
+ static void OnStreamFormatChanged(void* data, const struct spa_pod* format);
+#endif
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);
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire.sigs b/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire.sigs
deleted file mode 100644
index 3e21e9dc07c..00000000000
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire.sigs
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2018 The WebRTC project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-//------------------------------------------------
-// Functions from PipeWire used in capturer code.
-//------------------------------------------------
-
-// core.h
-void pw_core_destroy(pw_core *core);
-pw_type *pw_core_get_type(pw_core *core);
-pw_core * pw_core_new(pw_loop *main_loop, pw_properties *props);
-
-// loop.h
-void pw_loop_destroy(pw_loop *loop);
-pw_loop * pw_loop_new(pw_properties *properties);
-
-// pipewire.h
-void pw_init(int *argc, char **argv[]);
-
-// properties.h
-pw_properties * pw_properties_new_string(const char *args);
-
-// remote.h
-void pw_remote_add_listener(pw_remote *remote, spa_hook *listener, const pw_remote_events *events, void *data);
-int pw_remote_connect_fd(pw_remote *remote, int fd);
-void pw_remote_destroy(pw_remote *remote);
-pw_remote * pw_remote_new(pw_core *core, pw_properties *properties, size_t user_data_size);
-
-// stream.h
-void pw_stream_add_listener(pw_stream *stream, spa_hook *listener, const pw_stream_events *events, void *data);
-int pw_stream_connect(pw_stream *stream, enum pw_direction direction, const char *port_path, enum pw_stream_flags flags, const spa_pod **params, uint32_t n_params);
-pw_buffer *pw_stream_dequeue_buffer(pw_stream *stream);
-void pw_stream_destroy(pw_stream *stream);
-void pw_stream_finish_format(pw_stream *stream, int res, const spa_pod **params, uint32_t n_params);
-pw_stream * pw_stream_new(pw_remote *remote, const char *name, pw_properties *props);
-int pw_stream_queue_buffer(pw_stream *stream, pw_buffer *buffer);
-int pw_stream_set_active(pw_stream *stream, bool active);
-
-// thread-loop.h
-void pw_thread_loop_destroy(pw_thread_loop *loop);
-pw_thread_loop * pw_thread_loop_new(pw_loop *loop, const char *name);
-int pw_thread_loop_start(pw_thread_loop *loop);
-void pw_thread_loop_stop(pw_thread_loop *loop);
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc b/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc
deleted file mode 100644
index fe672140cca..00000000000
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.cc
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright 2018 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "modules/desktop_capture/linux/screen_capturer_pipewire.h"
-
-#include <memory>
-
-
-namespace webrtc {
-
-ScreenCapturerPipeWire::ScreenCapturerPipeWire()
- : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::Screen) {}
-ScreenCapturerPipeWire::~ScreenCapturerPipeWire() {}
-
-// static
-std::unique_ptr<DesktopCapturer>
-ScreenCapturerPipeWire::CreateRawScreenCapturer(
- const DesktopCaptureOptions& options) {
- return std::make_unique<ScreenCapturerPipeWire>();
-}
-
-} // namespace webrtc
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.h b/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.h
deleted file mode 100644
index 66dcd680e06..00000000000
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/screen_capturer_pipewire.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2018 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef MODULES_DESKTOP_CAPTURE_LINUX_SCREEN_CAPTURER_PIPEWIRE_H_
-#define MODULES_DESKTOP_CAPTURE_LINUX_SCREEN_CAPTURER_PIPEWIRE_H_
-
-#include <memory>
-
-#include "modules/desktop_capture/linux/base_capturer_pipewire.h"
-
-namespace webrtc {
-
-class ScreenCapturerPipeWire : public BaseCapturerPipeWire {
- public:
- ScreenCapturerPipeWire();
- ~ScreenCapturerPipeWire() override;
-
- static std::unique_ptr<DesktopCapturer> CreateRawScreenCapturer(
- const DesktopCaptureOptions& options);
-
- RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerPipeWire);
-};
-
-} // namespace webrtc
-
-#endif // MODULES_DESKTOP_CAPTURE_LINUX_SCREEN_CAPTURER_PIPEWIRE_H_
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc b/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc
deleted file mode 100644
index b4559156dce..00000000000
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.cc
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright 2018 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "modules/desktop_capture/linux/window_capturer_pipewire.h"
-
-#include <memory>
-
-
-namespace webrtc {
-
-WindowCapturerPipeWire::WindowCapturerPipeWire()
- : BaseCapturerPipeWire(BaseCapturerPipeWire::CaptureSourceType::Window) {}
-WindowCapturerPipeWire::~WindowCapturerPipeWire() {}
-
-// static
-std::unique_ptr<DesktopCapturer>
-WindowCapturerPipeWire::CreateRawWindowCapturer(
- const DesktopCaptureOptions& options) {
- return std::make_unique<WindowCapturerPipeWire>();
-}
-
-} // namespace webrtc
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.h b/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.h
deleted file mode 100644
index 7f184ef2999..00000000000
--- a/chromium/third_party/webrtc/modules/desktop_capture/linux/window_capturer_pipewire.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2018 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_CAPTURER_PIPEWIRE_H_
-#define MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_CAPTURER_PIPEWIRE_H_
-
-#include <memory>
-
-#include "modules/desktop_capture/linux/base_capturer_pipewire.h"
-
-namespace webrtc {
-
-class WindowCapturerPipeWire : public BaseCapturerPipeWire {
- public:
- WindowCapturerPipeWire();
- ~WindowCapturerPipeWire() override;
-
- static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer(
- const DesktopCaptureOptions& options);
-
- RTC_DISALLOW_COPY_AND_ASSIGN(WindowCapturerPipeWire);
-};
-
-} // namespace webrtc
-
-#endif // MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_CAPTURER_PIPEWIRE_H_
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/screen_capturer_linux.cc b/chromium/third_party/webrtc/modules/desktop_capture/screen_capturer_linux.cc
index 82dbae48137..ed48b7d6d59 100644
--- a/chromium/third_party/webrtc/modules/desktop_capture/screen_capturer_linux.cc
+++ b/chromium/third_party/webrtc/modules/desktop_capture/screen_capturer_linux.cc
@@ -14,7 +14,7 @@
#include "modules/desktop_capture/desktop_capturer.h"
#if defined(WEBRTC_USE_PIPEWIRE)
-#include "modules/desktop_capture/linux/screen_capturer_pipewire.h"
+#include "modules/desktop_capture/linux/base_capturer_pipewire.h"
#endif // defined(WEBRTC_USE_PIPEWIRE)
#if defined(WEBRTC_USE_X11)
@@ -28,7 +28,7 @@ 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::CreateRawCapturer(options);
}
#endif // defined(WEBRTC_USE_PIPEWIRE)
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/window_capturer_linux.cc b/chromium/third_party/webrtc/modules/desktop_capture/window_capturer_linux.cc
index 41dbf836b03..2b142ae3b92 100644
--- a/chromium/third_party/webrtc/modules/desktop_capture/window_capturer_linux.cc
+++ b/chromium/third_party/webrtc/modules/desktop_capture/window_capturer_linux.cc
@@ -14,7 +14,7 @@
#include "modules/desktop_capture/desktop_capturer.h"
#if defined(WEBRTC_USE_PIPEWIRE)
-#include "modules/desktop_capture/linux/window_capturer_pipewire.h"
+#include "modules/desktop_capture/linux/base_capturer_pipewire.h"
#endif // defined(WEBRTC_USE_PIPEWIRE)
#if defined(WEBRTC_USE_X11)
@@ -28,7 +28,7 @@ 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::CreateRawCapturer(options);
}
#endif // defined(WEBRTC_USE_PIPEWIRE)
diff --git a/chromium/third_party/webrtc/webrtc.gni b/chromium/third_party/webrtc/webrtc.gni
index ca8acdbf259..505c975cece 100644
--- a/chromium/third_party/webrtc/webrtc.gni
+++ b/chromium/third_party/webrtc/webrtc.gni
@@ -117,6 +117,10 @@ declare_args() {
# Set this to link PipeWire directly instead of using the dlopen.
rtc_link_pipewire = false
+ # Set this to use certain PipeWire version
+ # Currently we support PipeWire 0.2 (default) and PipeWire 0.3
+ rtc_pipewire_version = "0.3"
+
# Enable to use the Mozilla internal settings.
build_with_mozilla = false
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire02.sigs b/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire02.sigs
new file mode 100644
index 00000000000..5ac3d1d22b8
--- /dev/null
+++ b/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire02.sigs
@@ -0,0 +1,47 @@
+// Copyright 2018 The WebRTC project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+//------------------------------------------------
+// Functions from PipeWire used in capturer code.
+//------------------------------------------------
+
+// core.h
+void pw_core_destroy(pw_core *core);
+pw_type *pw_core_get_type(pw_core *core);
+pw_core * pw_core_new(pw_loop *main_loop, pw_properties *props);
+
+// loop.h
+void pw_loop_destroy(pw_loop *loop);
+pw_loop * pw_loop_new(pw_properties *properties);
+
+// pipewire.h
+void pw_init(int *argc, char **argv[]);
+
+// properties.h
+pw_properties * pw_properties_new_string(const char *args);
+
+// remote.h
+void pw_remote_add_listener(pw_remote *remote, spa_hook *listener, const pw_remote_events *events, void *data);
+int pw_remote_connect_fd(pw_remote *remote, int fd);
+void pw_remote_destroy(pw_remote *remote);
+pw_remote * pw_remote_new(pw_core *core, pw_properties *properties, size_t user_data_size);
+enum pw_remote_state pw_remote_get_state(pw_remote *remote, const char **error);
+
+// stream.h
+void pw_stream_add_listener(pw_stream *stream, spa_hook *listener, const pw_stream_events *events, void *data);
+int pw_stream_connect(pw_stream *stream, enum pw_direction direction, const char *port_path, enum pw_stream_flags flags, const spa_pod **params, uint32_t n_params);
+pw_buffer *pw_stream_dequeue_buffer(pw_stream *stream);
+void pw_stream_destroy(pw_stream *stream);
+void pw_stream_finish_format(pw_stream *stream, int res, const spa_pod **params, uint32_t n_params);
+pw_stream * pw_stream_new(pw_remote *remote, const char *name, pw_properties *props);
+int pw_stream_queue_buffer(pw_stream *stream, pw_buffer *buffer);
+int pw_stream_set_active(pw_stream *stream, bool active);
+
+// thread-loop.h
+void pw_thread_loop_destroy(pw_thread_loop *loop);
+pw_thread_loop * pw_thread_loop_new(pw_loop *loop, const char *name);
+int pw_thread_loop_start(pw_thread_loop *loop);
+void pw_thread_loop_stop(pw_thread_loop *loop);
+void pw_thread_loop_lock(struct pw_thread_loop *loop);
+void pw_thread_loop_unlock(struct pw_thread_loop *loop);
diff --git a/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire03.sigs b/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire03.sigs
new file mode 100644
index 00000000000..78d241f40c6
--- /dev/null
+++ b/chromium/third_party/webrtc/modules/desktop_capture/linux/pipewire03.sigs
@@ -0,0 +1,46 @@
+// Copyright 2018 The WebRTC project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+//------------------------------------------------
+// Functions from PipeWire used in capturer code.
+//------------------------------------------------
+
+// core.h
+int pw_core_disconnect(pw_core *core);
+
+// loop.h
+void pw_loop_destroy(pw_loop *loop);
+pw_loop * pw_loop_new(const spa_dict *props);
+
+
+// pipewire.h
+void pw_init(int *argc, char **argv[]);
+
+// properties.h
+pw_properties * pw_properties_new_string(const char *args);
+
+// stream.h
+void pw_stream_add_listener(pw_stream *stream, spa_hook *listener, const pw_stream_events *events, void *data);
+int pw_stream_connect(pw_stream *stream, enum pw_direction direction, uint32_t target_id, enum pw_stream_flags flags, const spa_pod **params, uint32_t n_params);
+pw_buffer *pw_stream_dequeue_buffer(pw_stream *stream);
+void pw_stream_destroy(pw_stream *stream);
+pw_stream * pw_stream_new(pw_core *core, const char *name, pw_properties *props);
+int pw_stream_queue_buffer(pw_stream *stream, pw_buffer *buffer);
+int pw_stream_set_active(pw_stream *stream, bool active);
+int pw_stream_update_params(pw_stream *stream, const spa_pod **params, uint32_t n_params);
+
+// thread-loop.h
+void pw_thread_loop_destroy(pw_thread_loop *loop);
+pw_thread_loop * pw_thread_loop_new(const char *name, const spa_dict *props);
+int pw_thread_loop_start(pw_thread_loop *loop);
+void pw_thread_loop_stop(pw_thread_loop *loop);
+void pw_thread_loop_lock(pw_thread_loop *loop);
+void pw_thread_loop_unlock(pw_thread_loop *loop);
+pw_loop * pw_thread_loop_get_loop(pw_thread_loop *loop);
+
+
+// context.h
+void pw_context_destroy(pw_context *context);
+pw_context *pw_context_new(pw_loop *main_loop, pw_properties *props, size_t user_data_size);
+pw_core * pw_context_connect(pw_context *context, pw_properties *properties, size_t user_data_size);