/*
* Copyright 2022 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/portal/pipewire_utils.h"
#include <pipewire/pipewire.h>
#include <optional>
#include <string>
#include <string_view>
#include <tuple>
#include <vector>
#include "rtc_base/sanitizer.h"
#include "rtc_base/string_encode.h"
#include "rtc_base/string_to_number.h"
#if defined (WEBRTC_DLOPEN_PIPEWIRE)
#include "modules/portal/pipewire_stubs.h"
#endif // defined(WEBRTC_DLOPEN_PIPEWIRE)
namespace webrtc {
#if defined (__GNUC__) && defined (WEBRTC_MOZILLA_BUILD)
// Mozilla linux builds are using -std=gnu++20, which doesn't approve
// of using std::string in a constexpr. PipewireVersion now contains
// std::string as of libwebrtc commit d167fe9296.
static const PipeWireVersion kReentrantDeinitMinVersion = {.major = 0 ,
.minor = 3 ,
.micro = 49 };
#else
constexpr PipeWireVersion kReentrantDeinitMinVersion = {.major = 0 ,
.minor = 3 ,
.micro = 49 };
#endif
PipeWireVersion PipeWireVersion::Parse(const std::string_view& version) {
std::vector<std::string_view> parsed_version = split(version, '.' );
if (parsed_version.size() != 3 ) {
return {};
}
std::optional<int> major = StringToNumber<int>(parsed_version.at(0 ));
std::optional<int> minor = StringToNumber<int>(parsed_version.at(1 ));
std::optional<int> micro = StringToNumber<int>(parsed_version.at(2 ));
// Return invalid version if we failed to parse it
if (!major || !minor || !micro) {
return {};
}
return {.major = major.value(),
.minor = minor.value(),
.micro = micro.value(),
.full_version = std::string(version)};
}
bool PipeWireVersion::operator >=(const PipeWireVersion& other) {
if (!major && !minor && !micro) {
return false;
}
return std::tie(major, minor, micro) >=
std::tie(other.major, other.minor, other.micro);
}
std::string_view PipeWireVersion::ToStringView() const {
return full_version;
}
RTC_NO_SANITIZE("cfi-icall" )
bool InitializePipeWire() {
#if defined (WEBRTC_DLOPEN_PIPEWIRE)
static constexpr char kPipeWireLib[] = "libpipewire-0.3.so.0" ;
using modules_portal::InitializeStubs;
using modules_portal::kModulePipewire;
modules_portal::StubPathMap paths;
// Check if the PipeWire library is available.
paths[kModulePipewire].push_back(kPipeWireLib);
static bool result = InitializeStubs(paths);
return result;
#else
return true ;
#endif // defined(WEBRTC_DLOPEN_PIPEWIRE)
}
PipeWireThreadLoopLock::PipeWireThreadLoopLock(pw_thread_loop* loop)
: loop_(loop) {
pw_thread_loop_lock(loop_);
}
PipeWireThreadLoopLock::~PipeWireThreadLoopLock() {
pw_thread_loop_unlock(loop_);
}
RTC_NO_SANITIZE("cfi-icall" )
PipeWireInitializer::PipeWireInitializer() {
pw_init(/*argc=*/nullptr, /*argv=*/nullptr);
}
RTC_NO_SANITIZE("cfi-icall" )
PipeWireInitializer::~PipeWireInitializer() {
PipeWireVersion pw_client_version =
PipeWireVersion::Parse(pw_get_library_version());
if (pw_client_version >= kReentrantDeinitMinVersion) {
pw_deinit();
}
}
} // namespace webrtc
Messung V0.5 in Prozent C=92 H=100 G=95
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤
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