fix(native): bound cross-platform lifecycle ownership

This commit is contained in:
edde746
2026-07-24 03:56:40 +02:00
parent 09656fa4d3
commit 9f2e050797
98 changed files with 12908 additions and 1599 deletions
+65 -8
View File
@@ -10,6 +10,7 @@ add_executable(${BINARY_NAME}
"main.cc"
"my_application.cc"
"mpv/mpv_player.cc"
"mpv/mpv_gpu_bootstrap.cc"
"mpv/mpv_plugin.cc"
"mpv/mpv_texture.cc"
"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
@@ -31,7 +32,7 @@ pkg_check_modules(EPOXY REQUIRED IMPORTED_TARGET epoxy)
# Build simdutf as a static library from the single-header amalgamation.
add_library(simdutf STATIC "${simdutf_SOURCE_DIR}/simdutf.cpp")
target_include_directories(simdutf PUBLIC "${simdutf_SOURCE_DIR}")
target_compile_features(simdutf PUBLIC cxx_std_17)
target_compile_features(simdutf PUBLIC cxx_std_14)
# Suppress warnings in third-party code
target_compile_options(simdutf PRIVATE -w)
@@ -45,17 +46,30 @@ target_link_libraries(${BINARY_NAME} PRIVATE simdutf)
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}/../shared/cpp")
function(check_mpv_sanitizer_support SANITIZER_FLAG RESULT_VARIABLE)
include(CheckCXXSourceCompiles)
# Force an executable try-compile: sanitizer availability depends on the
# runtime being linkable, not just on the compiler accepting the flag.
set(CMAKE_TRY_COMPILE_TARGET_TYPE EXECUTABLE)
set(CMAKE_REQUIRED_FLAGS "${SANITIZER_FLAG}")
set(CMAKE_REQUIRED_LIBRARIES "${SANITIZER_FLAG}")
check_cxx_source_compiles("int main() { return 0; }" ${RESULT_VARIABLE})
set(${RESULT_VARIABLE} "${${RESULT_VARIABLE}}" PARENT_SCOPE)
endfunction()
option(PLEZY_BUILD_MPV_PLAYER_LIFECYCLE_TESTS
"Build the focused Linux mpv callback lifecycle test" OFF)
if(PLEZY_BUILD_MPV_PLAYER_LIFECYCLE_TESTS)
enable_testing()
find_package(Threads REQUIRED)
add_executable(mpv_player_lifecycle_test
"mpv/mpv_player.cc"
"mpv/mpv_gpu_bootstrap.cc"
"mpv/mpv_texture.cc"
"mpv/mpv_player_lifecycle_test.cc"
)
apply_standard_settings(mpv_player_lifecycle_test)
target_compile_definitions(mpv_player_lifecycle_test PRIVATE PLEZY_MPV_PLAYER_LIFECYCLE_TEST=1)
target_link_libraries(mpv_player_lifecycle_test PRIVATE flutter)
target_link_libraries(mpv_player_lifecycle_test PRIVATE PkgConfig::GTK)
target_link_libraries(mpv_player_lifecycle_test PRIVATE PkgConfig::MPV)
@@ -68,8 +82,8 @@ if(PLEZY_BUILD_MPV_PLAYER_LIFECYCLE_TESTS)
option(PLEZY_MPV_LIFECYCLE_SANITIZERS
"Enable ASan and UBSan for the focused mpv lifecycle test" ON)
if(PLEZY_MPV_LIFECYCLE_SANITIZERS AND CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-fsanitize=address,undefined" MPV_LIFECYCLE_SANITIZERS_SUPPORTED)
check_mpv_sanitizer_support(
"-fsanitize=address,undefined" MPV_LIFECYCLE_SANITIZERS_SUPPORTED)
if(MPV_LIFECYCLE_SANITIZERS_SUPPORTED)
target_compile_options(mpv_player_lifecycle_test PRIVATE -fno-omit-frame-pointer -fsanitize=address,undefined)
target_link_options(mpv_player_lifecycle_test PRIVATE -fsanitize=address,undefined)
@@ -77,20 +91,63 @@ if(PLEZY_BUILD_MPV_PLAYER_LIFECYCLE_TESTS)
endif()
add_test(NAME mpv_player_lifecycle_test COMMAND mpv_player_lifecycle_test)
set_tests_properties(mpv_player_lifecycle_test PROPERTIES TIMEOUT 30)
endif()
option(PLEZY_BUILD_MPV_PROPERTY_CONTRACT_TESTS
"Build the focused desktop mpv property-result contract test" OFF)
if(PLEZY_BUILD_MPV_PROPERTY_CONTRACT_TESTS)
enable_testing()
find_package(Threads REQUIRED)
option(PLEZY_BUILD_MPV_RELIABILITY_TESTS
"Build focused Linux mpv registry and GPU bootstrap tests" OFF)
set(PLEZY_MPV_RELIABILITY_SANITIZER "none" CACHE STRING
"Sanitizer for focused mpv reliability tests: none, address, or thread")
set_property(CACHE PLEZY_MPV_RELIABILITY_SANITIZER PROPERTY STRINGS none address thread)
function(apply_mpv_reliability_sanitizer TARGET)
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU" OR
PLEZY_MPV_RELIABILITY_SANITIZER STREQUAL "none")
return()
endif()
if(PLEZY_MPV_RELIABILITY_SANITIZER STREQUAL "address")
set(SANITIZER_FLAG "-fsanitize=address,undefined")
set(SANITIZER_SUPPORT_VARIABLE MPV_RELIABILITY_ADDRESS_SANITIZER_SUPPORTED)
elseif(PLEZY_MPV_RELIABILITY_SANITIZER STREQUAL "thread")
set(SANITIZER_FLAG "-fsanitize=thread")
set(SANITIZER_SUPPORT_VARIABLE MPV_RELIABILITY_THREAD_SANITIZER_SUPPORTED)
else()
message(FATAL_ERROR "Unknown PLEZY_MPV_RELIABILITY_SANITIZER value")
endif()
check_mpv_sanitizer_support("${SANITIZER_FLAG}" ${SANITIZER_SUPPORT_VARIABLE})
if(NOT ${SANITIZER_SUPPORT_VARIABLE})
message(WARNING
"${PLEZY_MPV_RELIABILITY_SANITIZER} sanitizer is unavailable; focused tests will be unsanitized")
return()
endif()
target_compile_options(${TARGET} PRIVATE -fno-omit-frame-pointer ${SANITIZER_FLAG})
target_link_options(${TARGET} PRIVATE ${SANITIZER_FLAG})
endfunction()
if(PLEZY_BUILD_MPV_PROPERTY_CONTRACT_TESTS OR PLEZY_BUILD_MPV_RELIABILITY_TESTS)
find_package(Threads REQUIRED)
add_executable(mpv_property_result_contract_test
"../../shared/mpv/mpv_player_common_test.cpp"
)
apply_standard_settings(mpv_property_result_contract_test)
target_compile_features(mpv_property_result_contract_test PRIVATE cxx_std_14)
target_link_libraries(mpv_property_result_contract_test PRIVATE PkgConfig::MPV Threads::Threads)
target_include_directories(mpv_property_result_contract_test PRIVATE "../../shared/mpv")
apply_mpv_reliability_sanitizer(mpv_property_result_contract_test)
add_test(NAME mpv_property_result_contract_test COMMAND mpv_property_result_contract_test)
endif()
if(PLEZY_BUILD_MPV_RELIABILITY_TESTS)
add_executable(mpv_gpu_bootstrap_test
"mpv/mpv_gpu_bootstrap.cc"
"mpv/mpv_gpu_bootstrap_test.cc"
)
apply_standard_settings(mpv_gpu_bootstrap_test)
target_compile_features(mpv_gpu_bootstrap_test PRIVATE cxx_std_14)
target_link_libraries(mpv_gpu_bootstrap_test PRIVATE PkgConfig::EPOXY)
target_include_directories(mpv_gpu_bootstrap_test PRIVATE "mpv")
apply_mpv_reliability_sanitizer(mpv_gpu_bootstrap_test)
add_test(NAME mpv_gpu_bootstrap_test COMMAND mpv_gpu_bootstrap_test)
endif()
+129
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@@ -0,0 +1,129 @@
#include "mpv_gpu_bootstrap.h"
#include <cstdlib>
#include <cstring>
namespace mpv {
namespace {
bool HasExtension(const char* extensions, const char* requested) {
if (!extensions || !requested || requested[0] == '\0' || std::strchr(requested, ' ')) return false;
const size_t requested_length = std::strlen(requested);
const char* current = extensions;
while ((current = std::strstr(current, requested)) != nullptr) {
const bool starts_token = current == extensions || current[-1] == ' ';
const char following = current[requested_length];
if (starts_token && (following == '\0' || following == ' ')) return true;
current += requested_length;
}
return false;
}
bool ParseEglVersion(const char* version, int* major, int* minor) {
if (!version || !major || !minor) return false;
char* end = nullptr;
const long parsed_major = std::strtol(version, &end, 10);
if (end == version || *end != '.') return false;
const char* minor_start = end + 1;
const long parsed_minor = std::strtol(minor_start, &end, 10);
if (end == minor_start || parsed_major < 0 || parsed_minor < 0) return false;
*major = static_cast<int>(parsed_major);
*minor = static_cast<int>(parsed_minor);
return true;
}
bool AtLeastEgl15(const GpuBootstrapProbe& probe) {
return probe.egl_major > 1 || (probe.egl_major == 1 && probe.egl_minor >= 5);
}
bool Fail(std::string* error, const char* message) {
if (error) *error = message;
return false;
}
} // namespace
EGLImageKHR GpuImageDispatch::Create(EGLDisplay display, EGLContext context, EGLClientBuffer buffer) const {
if (uses_core) {
if (!create_image_core) return EGL_NO_IMAGE_KHR;
const EGLAttrib attributes[] = {EGL_NONE};
return reinterpret_cast<EGLImageKHR>(
create_image_core(display, context, EGL_GL_TEXTURE_2D_KHR, buffer, attributes));
}
if (!create_image_khr) return EGL_NO_IMAGE_KHR;
const EGLint attributes[] = {EGL_NONE};
return create_image_khr(display, context, EGL_GL_TEXTURE_2D_KHR, buffer, attributes);
}
bool GpuImageDispatch::Destroy(EGLDisplay display, EGLImageKHR image) const {
if (image == EGL_NO_IMAGE_KHR) return true;
if (uses_core) {
return destroy_image_core && destroy_image_core(display, reinterpret_cast<EGLImage>(image)) == EGL_TRUE;
}
return destroy_image_khr && destroy_image_khr(display, image) == EGL_TRUE;
}
GpuImageDispatch::operator bool() const {
const bool image_functions =
uses_core ? create_image_core && destroy_image_core : create_image_khr && destroy_image_khr;
return image_functions && image_target_texture;
}
bool ValidateGpuBootstrapProbe(const GpuBootstrapProbe& probe, std::string* error) {
const bool egl15 = AtLeastEgl15(probe);
if (!egl15 && !HasExtension(probe.egl_extensions, "EGL_KHR_surfaceless_context")) {
return Fail(error, "EGL surfaceless contexts are unavailable");
}
const bool core_images = egl15 && probe.create_image_core && probe.destroy_image_core;
const bool has_khr_image_extension =
HasExtension(probe.egl_extensions, "EGL_KHR_image") || HasExtension(probe.egl_extensions, "EGL_KHR_image_base");
const bool khr_images = has_khr_image_extension && probe.create_image_khr && probe.destroy_image_khr;
if (!core_images && !khr_images) {
return Fail(error, "EGL image creation is unavailable");
}
if (!HasExtension(probe.gl_extensions, "GL_OES_EGL_image")) {
return Fail(error, "OpenGL EGL image binding is unavailable");
}
if (!probe.image_target_texture) {
return Fail(error, "OpenGL EGL image entry point is unavailable");
}
if (error) error->clear();
return true;
}
bool ResolveGpuImageDispatch(EGLDisplay display, GpuImageDispatch* dispatch, std::string* error) {
if (!dispatch || display == EGL_NO_DISPLAY || eglGetCurrentContext() == EGL_NO_CONTEXT) {
return Fail(error, "No current EGL context is available");
}
GpuBootstrapProbe probe;
if (!ParseEglVersion(eglQueryString(display, EGL_VERSION), &probe.egl_major, &probe.egl_minor)) {
return Fail(error, "EGL version is unavailable");
}
probe.egl_extensions = eglQueryString(display, EGL_EXTENSIONS);
probe.gl_extensions = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
probe.create_image_core = reinterpret_cast<void*>(eglGetProcAddress("eglCreateImage"));
probe.destroy_image_core = reinterpret_cast<void*>(eglGetProcAddress("eglDestroyImage"));
probe.create_image_khr = reinterpret_cast<void*>(eglGetProcAddress("eglCreateImageKHR"));
probe.destroy_image_khr = reinterpret_cast<void*>(eglGetProcAddress("eglDestroyImageKHR"));
probe.image_target_texture = reinterpret_cast<void*>(eglGetProcAddress("glEGLImageTargetTexture2DOES"));
if (!ValidateGpuBootstrapProbe(probe, error)) return false;
GpuImageDispatch resolved;
const bool egl15 = AtLeastEgl15(probe);
if (egl15 && probe.create_image_core && probe.destroy_image_core) {
resolved.uses_core = true;
resolved.create_image_core = reinterpret_cast<EglCreateImageCoreProc>(probe.create_image_core);
resolved.destroy_image_core = reinterpret_cast<EglDestroyImageCoreProc>(probe.destroy_image_core);
} else {
resolved.create_image_khr = reinterpret_cast<EglCreateImageKhrProc>(probe.create_image_khr);
resolved.destroy_image_khr = reinterpret_cast<EglDestroyImageKhrProc>(probe.destroy_image_khr);
}
resolved.image_target_texture = reinterpret_cast<GlImageTargetTextureProc>(probe.image_target_texture);
if (!resolved) return Fail(error, "GPU image dispatch is incomplete");
*dispatch = resolved;
return true;
}
} // namespace mpv
+47
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@@ -0,0 +1,47 @@
#ifndef MPV_GPU_BOOTSTRAP_H_
#define MPV_GPU_BOOTSTRAP_H_
#include <epoxy/egl.h>
#include <epoxy/gl.h>
#include <string>
namespace mpv {
using EglCreateImageCoreProc = EGLImage (*)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLAttrib*);
using EglDestroyImageCoreProc = EGLBoolean (*)(EGLDisplay, EGLImage);
using EglCreateImageKhrProc = EGLImageKHR (*)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLint*);
using EglDestroyImageKhrProc = EGLBoolean (*)(EGLDisplay, EGLImageKHR);
using GlImageTargetTextureProc = void (*)(GLenum, GLeglImageOES);
struct GpuBootstrapProbe {
int egl_major = 0;
int egl_minor = 0;
const char* egl_extensions = nullptr;
const char* gl_extensions = nullptr;
void* create_image_core = nullptr;
void* destroy_image_core = nullptr;
void* create_image_khr = nullptr;
void* destroy_image_khr = nullptr;
void* image_target_texture = nullptr;
};
struct GpuImageDispatch {
bool uses_core = false;
EglCreateImageCoreProc create_image_core = nullptr;
EglDestroyImageCoreProc destroy_image_core = nullptr;
EglCreateImageKhrProc create_image_khr = nullptr;
EglDestroyImageKhrProc destroy_image_khr = nullptr;
GlImageTargetTextureProc image_target_texture = nullptr;
EGLImageKHR Create(EGLDisplay display, EGLContext context, EGLClientBuffer buffer) const;
bool Destroy(EGLDisplay display, EGLImageKHR image) const;
explicit operator bool() const;
};
bool ValidateGpuBootstrapProbe(const GpuBootstrapProbe& probe, std::string* error);
bool ResolveGpuImageDispatch(EGLDisplay display, GpuImageDispatch* dispatch, std::string* error);
} // namespace mpv
#endif // MPV_GPU_BOOTSTRAP_H_
+129
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@@ -0,0 +1,129 @@
#include "mpv_gpu_bootstrap.h"
#include <iostream>
#include <string>
namespace {
int create_calls = 0;
int destroy_calls = 0;
int failures = 0;
void Expect(bool condition, const char* expression, int line) {
if (condition) return;
std::cerr << "line " << line << ": check failed: " << expression << '\n';
++failures;
}
#define EXPECT(condition) Expect(static_cast<bool>(condition), #condition, __LINE__)
EGLImageKHR CreateImageKhr(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLint*) {
++create_calls;
return reinterpret_cast<EGLImageKHR>(0x1234);
}
EGLBoolean DestroyImageKhr(EGLDisplay, EGLImageKHR image) {
EXPECT(image == reinterpret_cast<EGLImageKHR>(0x1234));
++destroy_calls;
return EGL_TRUE;
}
void BindImage(GLenum, GLeglImageOES) {}
template <typename Function>
void* Address(Function function) {
return reinterpret_cast<void*>(function);
}
mpv::GpuBootstrapProbe SupportedKhrProbe() {
mpv::GpuBootstrapProbe probe;
probe.egl_major = 1;
probe.egl_minor = 4;
probe.egl_extensions = "EGL_KHR_surfaceless_context EGL_KHR_image_base";
probe.gl_extensions = "GL_EXT_texture GL_OES_EGL_image";
probe.create_image_khr = Address(CreateImageKhr);
probe.destroy_image_khr = Address(DestroyImageKhr);
probe.image_target_texture = Address(BindImage);
return probe;
}
void TestKhrCapabilitiesFailClosed() {
std::string error;
auto probe = SupportedKhrProbe();
EXPECT(mpv::ValidateGpuBootstrapProbe(probe, &error));
EXPECT(error.empty());
probe.egl_extensions = "EGL_KHR_image_base";
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.egl_extensions = "EGL_KHR_surfaceless_context EGL_KHR_image";
EXPECT(mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.egl_extensions = "EGL_KHR_surfaceless_context EGL_KHR_image_suffix";
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.egl_extensions = "EGL_KHR_surfaceless_context";
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.gl_extensions = "GL_OES_EGL_image_external";
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.create_image_khr = nullptr;
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.destroy_image_khr = nullptr;
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.image_target_texture = nullptr;
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
}
void TestCoreCapabilities() {
std::string error;
auto probe = SupportedKhrProbe();
probe.egl_major = 1;
probe.egl_minor = 5;
probe.egl_extensions = "";
probe.create_image_khr = nullptr;
probe.destroy_image_khr = nullptr;
probe.create_image_core = Address(CreateImageKhr);
probe.destroy_image_core = Address(DestroyImageKhr);
EXPECT(mpv::ValidateGpuBootstrapProbe(probe, &error));
probe.create_image_core = nullptr;
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
probe = SupportedKhrProbe();
probe.egl_major = 0;
probe.egl_minor = 0;
probe.egl_extensions = "";
EXPECT(!mpv::ValidateGpuBootstrapProbe(probe, &error));
}
void TestDispatchChecksBeforeCalls() {
mpv::GpuImageDispatch dispatch;
EXPECT(!dispatch);
EXPECT(dispatch.Create(EGL_NO_DISPLAY, EGL_NO_CONTEXT, nullptr) == EGL_NO_IMAGE_KHR);
EXPECT(!dispatch.Destroy(EGL_NO_DISPLAY, reinterpret_cast<EGLImageKHR>(0x1234)));
EXPECT(create_calls == 0);
EXPECT(destroy_calls == 0);
dispatch.create_image_khr = CreateImageKhr;
dispatch.destroy_image_khr = DestroyImageKhr;
dispatch.image_target_texture = BindImage;
EXPECT(dispatch);
const auto image = dispatch.Create(EGL_NO_DISPLAY, EGL_NO_CONTEXT, nullptr);
EXPECT(image == reinterpret_cast<EGLImageKHR>(0x1234));
EXPECT(dispatch.Destroy(EGL_NO_DISPLAY, image));
EXPECT(create_calls == 1);
EXPECT(destroy_calls == 1);
}
} // namespace
int main() {
TestKhrCapabilitiesFailClosed();
TestCoreCapabilities();
TestDispatchChecksBeforeCalls();
return failures == 0 ? 0 : 1;
}
+463 -152
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@@ -10,10 +10,25 @@
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/gdkwayland.h>
#endif
#include <clocale>
#include <locale.h>
#include <chrono>
#include <cstring>
#include "sanitize_utf8.h"
namespace {
bool EnsureProcessNumericLocale() {
// libmpv parses numeric options on worker threads, so a thread-local locale
// is insufficient. This process-wide setting intentionally remains in force
// for the rest of the process after the first player starts.
static const bool configured = setlocale(LC_NUMERIC, "C") != nullptr;
return configured;
}
} // namespace
// Flutter on Linux uses EGL (OpenGL ES) for both X11 and Wayland.
static void* get_opengl_proc_address(void* ctx, const char* name) {
(void)ctx;
@@ -21,6 +36,171 @@ static void* get_opengl_proc_address(void* ctx, const char* name) {
}
namespace mpv {
namespace {
NativeRenderTeardownOperations ProductionTeardownOperations() {
return {
[](EGLDisplay display, EGLContext context) {
if (!eglBindAPI(EGL_OPENGL_ES_API) || !eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, context)) {
g_warning("MPV: Failed to activate EGL context for teardown: 0x%x", eglGetError());
return false;
}
return true;
},
[](EGLDisplay display) {
if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
g_warning("MPV: Failed to release EGL context during teardown: 0x%x", eglGetError());
return false;
}
return true;
},
[](EGLDisplay display, EGLContext context) {
if (!eglDestroyContext(display, context)) {
g_warning("MPV: Failed to destroy EGL context during teardown: 0x%x", eglGetError());
return false;
}
return true;
},
[](mpv_render_context* render) { mpv_render_context_free(render); },
[](mpv_handle* handle) { mpv_terminate_destroy(handle); },
};
}
#ifdef PLEZY_MPV_PLAYER_LIFECYCLE_TEST
NativeRenderTeardownOperations*& TestTeardownOperationsOverride() {
static NativeRenderTeardownOperations* operations = nullptr;
return operations;
}
#endif
class NativeRenderTeardownQueue {
public:
static NativeRenderTeardownQueue& Instance() {
// Native driver/libmpv teardown can block indefinitely. Keep both the
// queue and its worker state alive until the OS ends the process so static
// destruction never joins the worker or invalidates state it may access.
static NativeRenderTeardownQueue* const queue = new NativeRenderTeardownQueue();
return *queue;
}
void Enqueue(NativeRenderTeardownBatch batch) {
if (batch.resources.empty() && !batch.handle) return;
{
std::lock_guard<std::mutex> lock(mutex_);
batches_.push_back(std::move(batch));
++generation_;
}
condition_.notify_one();
}
void Retry() {
{
std::lock_guard<std::mutex> lock(mutex_);
++generation_;
}
condition_.notify_one();
}
private:
NativeRenderTeardownQueue() : worker_([this]() { Run(); }) {}
void Run() {
#ifdef PLEZY_MPV_PLAYER_LIFECYCLE_TEST
const NativeRenderTeardownOperations operations =
TestTeardownOperationsOverride() ? *TestTeardownOperationsOverride() : ProductionTeardownOperations();
#else
const NativeRenderTeardownOperations operations = ProductionTeardownOperations();
#endif
std::unique_lock<std::mutex> lock(mutex_);
for (;;) {
condition_.wait(lock, [this]() { return !batches_.empty(); });
const uint64_t observed_generation = generation_;
std::vector<NativeRenderTeardownBatch> work = std::move(batches_);
batches_.clear();
// EGL activation and mpv shutdown can block in a driver. Keep queue
// admission independent so replacement initialization and disposal only
// pay the short ownership-transfer critical section.
lock.unlock();
std::vector<NativeRenderTeardownBatch> retry;
for (auto& batch : work) {
if (!TryReleaseNativeRenderTeardown(batch, operations)) retry.push_back(std::move(batch));
}
lock.lock();
for (auto& batch : retry) batches_.push_back(std::move(batch));
if (batches_.empty()) continue;
condition_.wait_for(lock, std::chrono::milliseconds(100), [this, observed_generation]() {
return generation_ != observed_generation;
});
}
}
std::mutex mutex_;
std::condition_variable condition_;
std::vector<NativeRenderTeardownBatch> batches_;
uint64_t generation_ = 0;
std::thread worker_;
};
} // namespace
#ifdef PLEZY_MPV_PLAYER_LIFECYCLE_TEST
void ConfigureNativeRenderTeardownQueueForTesting(NativeRenderTeardownOperations operations) {
auto*& configured = TestTeardownOperationsOverride();
if (configured) {
*configured = std::move(operations);
} else {
configured = new NativeRenderTeardownOperations(std::move(operations));
}
}
void EnqueueNativeRenderTeardownForTesting(NativeRenderTeardownBatch batch) {
NativeRenderTeardownQueue::Instance().Enqueue(std::move(batch));
}
#endif
bool TryReleaseNativeRenderTeardown(
NativeRenderTeardownBatch& batch, const NativeRenderTeardownOperations& operations) {
for (auto it = batch.resources.begin(); it != batch.resources.end();) {
if (it->context == EGL_NO_CONTEXT || !operations.make_current(it->display, it->context)) {
++it;
continue;
}
if (it->render) {
operations.free_render(it->render);
it->render = nullptr;
}
if (!operations.release_current(it->display)) {
++it;
continue;
}
if (!operations.destroy_context(it->display, it->context)) {
++it;
continue;
}
it = batch.resources.erase(it);
}
if (!batch.resources.empty()) return false;
if (batch.handle) {
operations.terminate_handle(batch.handle);
batch.handle = nullptr;
}
batch.callback_keep_alive.reset();
return true;
}
bool TryReleaseRetainedNativeRenderContexts(
std::vector<NativeRenderTeardownResource>& resources, const NativeRenderTeardownOperations& operations) {
NativeRenderTeardownBatch batch;
batch.resources = std::move(resources);
const bool complete = TryReleaseNativeRenderTeardown(batch, operations);
resources = std::move(batch.resources);
return complete;
}
MpvPlayer::CallbackContext::Lease::Lease(CallbackContext* context, MpvPlayer* player)
: context_(context), player_(player) {}
@@ -62,9 +242,14 @@ MpvPlayer::CallbackContext::Lease MpvPlayer::CallbackContext::Acquire() {
return Lease(this, player_);
}
void MpvPlayer::CallbackContext::WaitUntilDetached() {
std::unique_lock<std::mutex> lock(mutex_);
quiescent_.wait(lock, [this]() { return player_ == nullptr; });
}
void MpvPlayer::CallbackContext::DetachAndWait() {
std::unique_lock<std::mutex> lock(mutex_);
player_ = nullptr;
quiescent_.notify_all();
quiescent_.wait(lock, [this]() { return in_flight_ == 0; });
}
@@ -87,13 +272,45 @@ MpvPlayer::MpvPlayer(bool audio_only)
MpvPlayer::~MpvPlayer() { Dispose(); }
bool MpvPlayer::HasRenderContext() const {
std::lock_guard<std::mutex> lock(native_mutex_);
return mpv_gl_ != nullptr;
}
EGLDisplay MpvPlayer::GetEglDisplay() const {
std::lock_guard<std::mutex> lock(native_mutex_);
return egl_display_;
}
EGLContext MpvPlayer::GetEglContext() const {
std::lock_guard<std::mutex> lock(native_mutex_);
return egl_context_;
}
bool MpvPlayer::IsInitialized() const {
std::lock_guard<std::mutex> lock(native_mutex_);
return mpv_ != nullptr && (audio_only_ || mpv_gl_ != nullptr);
}
bool MpvPlayer::HasMpvHandle() const {
std::lock_guard<std::mutex> lock(native_mutex_);
return mpv_ != nullptr;
}
bool MpvPlayer::Initialize() {
std::lock_guard<std::mutex> lock(native_mutex_);
if (disposed_) {
g_warning("MPV: initialization requested after disposal");
return false;
}
if (mpv_) {
return true; // Already initialized.
}
// MPV requires C locale for numeric formatting
std::setlocale(LC_NUMERIC, "C");
if (!EnsureProcessNumericLocale()) {
g_warning("MPV: Failed to establish the process-wide C numeric locale");
return false;
}
// Create mpv instance.
mpv_ = mpv_create();
@@ -151,84 +368,115 @@ bool MpvPlayer::Initialize() {
return true;
}
void MpvPlayer::RetryPendingNativeTeardown() { NativeRenderTeardownQueue::Instance().Retry(); }
bool MpvPlayer::InitRenderContext() {
if (audio_only_) {
g_warning("MPV: InitRenderContext called on an audio-only player");
RetryPendingNativeTeardown();
std::lock_guard<std::mutex> lock(native_mutex_);
if (audio_only_ || disposed_) {
g_warning("MPV: Render context requested for an unavailable player");
return false;
}
if (mpv_gl_) {
return true; // Already created.
}
if (mpv_gl_) return true;
if (!mpv_) {
g_warning("MPV: Cannot create render context - mpv not initialized");
return false;
}
// Capture Flutter's EGL display and create an isolated EGL context.
// Flutter on Linux uses EGL for both X11 and Wayland. Running mpv in
// an isolated context prevents OpenGL state pollution between mpv and
// Flutter, which caused corrupted/blank video on some drivers.
EGLDisplay flutter_display = eglGetCurrentDisplay();
EGLContext flutter_context = eglGetCurrentContext();
if (flutter_display == EGL_NO_DISPLAY || flutter_context == EGL_NO_CONTEXT) {
const EGLDisplay flutter_display = eglGetCurrentDisplay();
const EGLContext flutter_context = eglGetCurrentContext();
const EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
const EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
const EGLenum previous_api = eglQueryAPI();
if (flutter_display == EGL_NO_DISPLAY || flutter_context == EGL_NO_CONTEXT || previous_api == EGL_NONE) {
g_warning("MPV: No EGL context available");
return false;
}
egl_display_ = flutter_display;
auto restore_flutter = [&]() {
const EGLBoolean api_restored = previous_api == EGL_NONE ? EGL_TRUE : eglBindAPI(previous_api);
const EGLBoolean restored = api_restored == EGL_TRUE
? eglMakeCurrent(flutter_display, flutter_draw, flutter_read, flutter_context)
: EGL_FALSE;
return restored == EGL_TRUE && api_restored == EGL_TRUE;
};
if (!retained_render_contexts_.empty()) {
const bool released =
TryReleaseRetainedNativeRenderContexts(retained_render_contexts_, ProductionTeardownOperations());
const bool flutter_restored = restore_flutter();
if (!released) {
g_warning("MPV: Retained render context still requires a later EGL teardown retry");
}
if (!flutter_restored) {
g_warning("MPV: Failed to restore Flutter EGL state after retained teardown: 0x%x", eglGetError());
}
if (!released || !flutter_restored) return false;
}
// Query Flutter's EGL config and reuse it for compatibility
EGLConfig config = nullptr;
EGLint config_id = 0;
if (!eglQueryContext(egl_display_, flutter_context, EGL_CONFIG_ID, &config_id)) {
g_warning("MPV: Failed to query Flutter's EGL config ID");
if (!eglQueryContext(flutter_display, flutter_context, EGL_CONFIG_ID, &config_id)) {
g_warning("MPV: Failed to query Flutter EGL config: 0x%x", eglGetError());
return false;
}
EGLConfig config = nullptr;
EGLint num_configs = 0;
EGLint config_attribs[] = {EGL_CONFIG_ID, config_id, EGL_NONE};
if (!eglChooseConfig(egl_display_, config_attribs, &config, 1, &num_configs) || num_configs == 0) {
g_warning("MPV: Failed to get Flutter's EGL config");
const EGLint config_attribs[] = {EGL_CONFIG_ID, config_id, EGL_NONE};
if (!eglChooseConfig(flutter_display, config_attribs, &config, 1, &num_configs) || num_configs != 1) {
g_warning("MPV: Failed to select Flutter EGL config: 0x%x", eglGetError());
return false;
}
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
g_warning("MPV: Failed to bind OpenGL ES API: 0x%x", eglGetError());
return false;
}
// Create isolated EGL context (NOT shared with Flutter) to prevent
// GL state pollution
eglBindAPI(EGL_OPENGL_ES_API);
EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION,
2,
EGL_NONE,
};
egl_context_ = eglCreateContext(egl_display_, config, EGL_NO_CONTEXT, context_attribs);
if (egl_context_ == EGL_NO_CONTEXT) {
const EGLint context_attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
EGLContext candidate_context = eglCreateContext(flutter_display, config, EGL_NO_CONTEXT, context_attribs);
if (candidate_context == EGL_NO_CONTEXT) {
g_warning("MPV: Failed to create isolated EGL context: 0x%x", eglGetError());
if (previous_api != EGL_NONE && !eglBindAPI(previous_api)) {
g_warning("MPV: Failed to restore EGL client API: 0x%x", eglGetError());
}
return false;
}
// Make the isolated context current for mpv render context creation
EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
eglMakeCurrent(egl_display_, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context_);
// Set up OpenGL parameters for mpv.
mpv_opengl_init_params gl_init_params{
.get_proc_address = get_opengl_proc_address,
.get_proc_address_ctx = nullptr,
auto destroy_candidate_context = [&]() {
const EGLenum api_before_cleanup = eglQueryAPI();
if (eglGetCurrentContext() == candidate_context) {
if (!eglBindAPI(EGL_OPENGL_ES_API) ||
!eglMakeCurrent(flutter_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
g_warning("MPV: Failed to release rejected EGL context: 0x%x", eglGetError());
return;
}
}
if (!eglDestroyContext(flutter_display, candidate_context)) {
g_warning("MPV: Failed to destroy rejected EGL context: 0x%x", eglGetError());
}
if (api_before_cleanup != EGL_NONE && !eglBindAPI(api_before_cleanup)) {
g_warning("MPV: Failed to restore EGL API after context cleanup: 0x%x", eglGetError());
}
};
if (!eglMakeCurrent(flutter_display, EGL_NO_SURFACE, EGL_NO_SURFACE, candidate_context)) {
g_warning("MPV: Failed to activate isolated EGL context: 0x%x", eglGetError());
destroy_candidate_context();
if (previous_api != EGL_NONE && !eglBindAPI(previous_api)) {
g_warning("MPV: Failed to restore EGL client API: 0x%x", eglGetError());
}
return false;
}
mpv_opengl_init_params gl_init_params{};
gl_init_params.get_proc_address = get_opengl_proc_address;
gl_init_params.get_proc_address_ctx = nullptr;
mpv_render_param params[] = {
{MPV_RENDER_PARAM_API_TYPE, const_cast<char*>(MPV_RENDER_API_TYPE_OPENGL)},
{MPV_RENDER_PARAM_OPENGL_INIT_PARAMS, &gl_init_params},
{MPV_RENDER_PARAM_INVALID, nullptr}, // slot for X11/Wayland display
{MPV_RENDER_PARAM_INVALID, nullptr},
{MPV_RENDER_PARAM_INVALID, nullptr},
};
// Pass X11/Wayland display for VAAPI hardware acceleration
GdkDisplay* gdk_display = gdk_display_get_default();
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY(gdk_display)) {
@@ -243,21 +491,38 @@ bool MpvPlayer::InitRenderContext() {
}
#endif
int err = mpv_render_context_create(&mpv_gl_, mpv_, params);
// Restore Flutter's context
eglMakeCurrent(egl_display_, flutter_draw, flutter_read, flutter_context);
if (err < 0) {
g_warning("MPV: mpv_render_context_create() failed: %s", mpv_error_string(err));
eglDestroyContext(egl_display_, egl_context_);
egl_context_ = EGL_NO_CONTEXT;
mpv_render_context* candidate_gl = nullptr;
const int error = mpv_render_context_create(&candidate_gl, mpv_, params);
const bool restored = restore_flutter();
if (error < 0 || candidate_gl == nullptr || !restored) {
if (error < 0) {
g_warning("MPV: mpv_render_context_create() failed: %s", mpv_error_string(error));
} else if (!restored) {
g_warning("MPV: Failed to restore Flutter EGL state: 0x%x", eglGetError());
} else {
g_warning("MPV: mpv returned a null render context");
}
bool retained_candidate = false;
if (candidate_gl) {
if (eglMakeCurrent(flutter_display, EGL_NO_SURFACE, EGL_NO_SURFACE, candidate_context)) {
mpv_render_context_free(candidate_gl);
} else {
g_warning("MPV: Failed to reactivate rejected EGL context: 0x%x; retaining it for teardown", eglGetError());
retained_render_contexts_.push_back({candidate_gl, flutter_display, candidate_context});
retained_candidate = true;
}
if (!restore_flutter()) {
g_warning("MPV: Failed final Flutter EGL restoration: 0x%x", eglGetError());
}
}
if (!retained_candidate) destroy_candidate_context();
return false;
}
// Set up render update callback.
egl_display_ = flutter_display;
egl_context_ = candidate_context;
mpv_gl_ = candidate_gl;
mpv_render_context_set_update_callback(mpv_gl_, OnMpvRenderUpdate, callback_context_.get());
g_message("MPV: Render context created with isolated EGL context");
return true;
}
@@ -269,11 +534,21 @@ void MpvPlayer::Dispose() {
// Stop native producers before revoking access to the player. A callback
// already entered on an mpv thread owns a lease and is allowed to finish.
if (mpv_gl_) {
mpv_render_context_set_update_callback(mpv_gl_, nullptr, nullptr);
}
if (mpv_) {
mpv_set_wakeup_callback(mpv_, nullptr, nullptr);
{
std::lock_guard<std::mutex> lock(native_mutex_);
if (mpv_) {
const char* stop_command[] = {"stop", nullptr};
const int stop_result = mpv_command_async(mpv_, 0, stop_command);
if (stop_result < 0) {
g_warning("MPV: Failed to enqueue stop during disposal: %s", mpv_error_string(stop_result));
}
}
if (mpv_gl_) {
mpv_render_context_set_update_callback(mpv_gl_, nullptr, nullptr);
}
if (mpv_) {
mpv_set_wakeup_callback(mpv_, nullptr, nullptr);
}
}
callback_context_->DetachAndWait();
@@ -293,59 +568,44 @@ void MpvPlayer::Dispose() {
RemoveTrackedSources();
// Native destruction remains off the main thread. Keeping the detached
// callback context alive until both mpv objects are gone makes even a late
// invocation through mpv's old context pointer harmless.
auto* gl = mpv_gl_;
auto* handle = mpv_;
auto egl_display = egl_display_;
auto egl_context = egl_context_;
auto callback_context = callback_context_;
mpv_gl_ = nullptr;
mpv_ = nullptr;
egl_display_ = EGL_NO_DISPLAY;
egl_context_ = EGL_NO_CONTEXT;
if (gl || handle || egl_context != EGL_NO_CONTEXT) {
std::thread([gl, handle, egl_display, egl_context, callback_context]() {
(void)callback_context;
if (gl) {
if (egl_context != EGL_NO_CONTEXT) {
eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context);
}
mpv_render_context_free(gl);
}
if (handle) {
mpv_terminate_destroy(handle);
}
if (egl_context != EGL_NO_CONTEXT) {
eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(egl_display, egl_context);
}
}).detach();
// Transfer every render/context pair and the shared mpv handle to the
// managed teardown thread. A failed EGL bind leaves the complete pair in
// the queue; the handle cannot be terminated until every pair is gone.
NativeRenderTeardownBatch teardown;
{
std::lock_guard<std::mutex> lock(native_mutex_);
teardown.resources = std::move(retained_render_contexts_);
if (mpv_gl_ || egl_context_ != EGL_NO_CONTEXT) {
teardown.resources.push_back({mpv_gl_, egl_display_, egl_context_});
}
teardown.handle = mpv_;
teardown.callback_keep_alive = callback_context_;
mpv_gl_ = nullptr;
mpv_ = nullptr;
egl_display_ = EGL_NO_DISPLAY;
egl_context_ = EGL_NO_CONTEXT;
}
NativeRenderTeardownQueue::Instance().Enqueue(std::move(teardown));
observed_properties_.Clear();
}
void MpvPlayer::Render(int width, int height, int fbo) {
std::lock_guard<std::mutex> lock(native_mutex_);
if (disposed_ || !mpv_gl_) return;
mpv_opengl_fbo mpv_fbo{
.fbo = fbo,
.w = width,
.h = height,
.internal_format = 0,
};
mpv_opengl_fbo mpv_fbo{};
mpv_fbo.fbo = fbo;
mpv_fbo.w = width;
mpv_fbo.h = height;
mpv_fbo.internal_format = 0;
int flip_y = 0;
mpv_render_param params[] = {
{MPV_RENDER_PARAM_OPENGL_FBO, &mpv_fbo},
{MPV_RENDER_PARAM_FLIP_Y, &flip_y},
{MPV_RENDER_PARAM_INVALID, nullptr},
};
mpv_render_context_render(mpv_gl_, params);
}
@@ -353,7 +613,7 @@ void MpvPlayer::Command(const std::vector<std::string>& args) { CommandAsync(arg
void MpvPlayer::CommandAsync(const std::vector<std::string>& args, CommandCallback callback) {
if (disposed_ || !mpv_) {
if (callback) callback(0);
if (callback) callback(MPV_ERROR_UNINITIALIZED);
return;
}
@@ -388,6 +648,16 @@ void MpvPlayer::SetPropertyAsync(const std::string& name, const std::string& val
return;
}
if (name == "pause" && !plezy::mpv_common::ParseEnabledFlag(value)) {
auto completion = std::move(callback);
callback = [this, completion = std::move(completion)](int error) {
if (error >= 0 && !disposed_) {
audio_recovery_.RequestResume();
EnsureAudioRecoveryTimer();
}
if (completion) completion(error);
};
}
uint64_t request_id = callback ? pending_requests_.RegisterStatus(std::move(callback)) : 0;
char* property_value = const_cast<char*>(value.c_str());
@@ -400,7 +670,7 @@ void MpvPlayer::SetPropertyAsync(const std::string& name, const std::string& val
void MpvPlayer::GetPropertyAsync(const std::string& name, GetPropertyCallback callback) {
if (disposed_ || !mpv_) {
if (callback) callback(-1, "");
if (callback) callback(MPV_ERROR_UNINITIALIZED, "");
return;
}
@@ -617,12 +887,16 @@ void MpvPlayer::LogRecovery(const std::string& text) {
fl_value_unref(data);
}
void MpvPlayer::TryAudioReload(const char* reason, int attempt) {
void MpvPlayer::TryAudioReload(const char* reason, int attempt, uint64_t request_generation) {
LogRecovery("issuing ao-reload (reason=" + std::string(reason) + ", attempt " + std::to_string(attempt) + ")");
const std::string reason_copy = reason;
CommandAsync({"ao-reload"}, [this, reason_copy, attempt](int error) {
audio_recovery_.CompleteReload();
LogRecovery(
auto callback_context = callback_context_;
CommandAsync({"ao-reload"}, [callback_context, reason_copy, attempt, request_generation](int error) {
auto lease = callback_context->Acquire();
if (!lease) return;
MpvPlayer* player = lease.player();
player->audio_recovery_.CompleteReload(request_generation);
player->LogRecovery(
"ao-reload completed (reason=" + reason_copy + ", attempt " + std::to_string(attempt) +
", error=" + std::to_string(error) + ")");
});
@@ -634,7 +908,7 @@ void MpvPlayer::MaybeRunAudioRecovery() {
return;
}
const char* reason = action.reason == plezy::mpv_common::AudioReloadReason::kResume ? "resume" : "null-fallback";
TryAudioReload(reason, action.attempt);
TryAudioReload(reason, action.attempt, action.request_generation);
if (action.exhausted) {
LogRecovery("audio recovery budget exhausted; waiting for device list change");
}
@@ -652,15 +926,7 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
uint64_t request_id = event->reply_userdata;
StatusCallback callback = pending_requests_.TakeStatus(request_id);
if (callback) {
int error = event->error;
g_idle_add(
[](gpointer data) -> gboolean {
auto* pair = static_cast<std::pair<CommandCallback, int>*>(data);
if (pair->first) pair->first(pair->second);
delete pair;
return G_SOURCE_REMOVE;
},
new std::pair<CommandCallback, int>(std::move(callback), error));
callback(event->error);
}
break;
}
@@ -677,20 +943,13 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
if (c_value) value = SanitizeUtf8(c_value);
}
}
g_idle_add(
[](gpointer data) -> gboolean {
auto* tuple = static_cast<std::tuple<GetPropertyCallback, int, std::string>*>(data);
const auto& callback = std::get<0>(*tuple);
if (callback) callback(std::get<1>(*tuple), std::get<2>(*tuple));
delete tuple;
return G_SOURCE_REMOVE;
},
new std::tuple<GetPropertyCallback, int, std::string>(std::move(callback), error, std::move(value)));
callback(error, value);
}
break;
}
case MPV_EVENT_LOG_MESSAGE: {
auto* msg = static_cast<mpv_event_log_message*>(event->data);
if (!msg) break;
g_message("MPV [%s] %s: %s", msg->level, msg->prefix, msg->text);
FlValue* data = fl_value_new_map();
@@ -703,6 +962,7 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
}
case MPV_EVENT_PROPERTY_CHANGE: {
auto* prop = static_cast<mpv_event_property*>(event->data);
if (!prop || !prop->name) break;
mpv_node node;
node.format = prop->format;
@@ -722,6 +982,8 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
case MPV_FORMAT_NODE:
if (prop->data) {
node = *static_cast<mpv_node*>(prop->data);
} else {
node.format = MPV_FORMAT_NONE;
}
break;
default:
@@ -756,6 +1018,7 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
case MPV_EVENT_END_FILE: {
audio_recovery_.SetFileLoaded(false);
auto* end = static_cast<mpv_event_end_file*>(event->data);
if (!end) break;
FlValue* data = fl_value_new_map();
fl_value_set_string_take(data, "reason", fl_value_new_int(static_cast<int>(end->reason)));
if (end->reason == MPV_END_FILE_REASON_ERROR) {
@@ -773,6 +1036,7 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
}
case MPV_EVENT_FILE_LOADED: {
audio_recovery_.SetFileLoaded(true);
EnsureAudioRecoveryTimer();
SendEvent("file-loaded");
break;
}
@@ -784,13 +1048,37 @@ void MpvPlayer::HandleMpvEvent(mpv_event* event) {
break;
}
}
FlValue* MpvPlayer::NodeToFlValue(mpv_node* node) {
if (!node) return fl_value_new_null();
NodeConversionBudget budget{
/*remaining_entries=*/16384,
/*remaining_bytes=*/16 * 1024 * 1024,
};
return NodeToFlValue(node, 0, &budget);
}
bool MpvPlayer::ConvertNodeString(const char* input, NodeConversionBudget* budget, std::string* result) {
if (!input || !budget || !result) return false;
const size_t length = strnlen(input, budget->remaining_bytes + 1);
if (length > budget->remaining_bytes) return false;
budget->remaining_bytes -= length;
*result = SanitizeUtf8(input, length);
return true;
}
FlValue* MpvPlayer::NodeToFlValue(mpv_node* node, size_t depth, NodeConversionBudget* budget) {
constexpr size_t kMaxNodeDepth = 32;
constexpr int kMaxNodeEntries = 16384;
if (!node || !budget || depth >= kMaxNodeDepth || budget->remaining_entries == 0) {
return fl_value_new_null();
}
--budget->remaining_entries;
switch (node->format) {
case MPV_FORMAT_STRING:
return fl_value_new_string(SanitizeUtf8(node->u.string).c_str());
case MPV_FORMAT_STRING: {
std::string value;
if (!ConvertNodeString(node->u.string, budget, &value)) return fl_value_new_null();
return fl_value_new_string(value.c_str());
}
case MPV_FORMAT_FLAG:
return fl_value_new_bool(node->u.flag != 0);
case MPV_FORMAT_INT64:
@@ -798,18 +1086,35 @@ FlValue* MpvPlayer::NodeToFlValue(mpv_node* node) {
case MPV_FORMAT_DOUBLE:
return fl_value_new_float(node->u.double_);
case MPV_FORMAT_NODE_ARRAY: {
FlValue* list = fl_value_new_list();
for (int i = 0; i < node->u.list->num; i++) {
fl_value_append_take(list, NodeToFlValue(&node->u.list->values[i]));
const mpv_node_list* list = node->u.list;
if (!list || list->num < 0 || list->num > kMaxNodeEntries || (list->num > 0 && !list->values)) {
return fl_value_new_null();
}
return list;
FlValue* result = fl_value_new_list();
for (int i = 0; i < list->num; i++) {
fl_value_append_take(result, NodeToFlValue(&list->values[i], depth + 1, budget));
}
return result;
}
case MPV_FORMAT_NODE_MAP: {
FlValue* map = fl_value_new_map();
for (int i = 0; i < node->u.list->num; i++) {
fl_value_set_string_take(map, node->u.list->keys[i], NodeToFlValue(&node->u.list->values[i]));
const mpv_node_list* map = node->u.list;
if (!map || map->num < 0 || map->num > kMaxNodeEntries || (map->num > 0 && (!map->keys || !map->values))) {
return fl_value_new_null();
}
return map;
FlValue* result = fl_value_new_map();
for (int i = 0; i < map->num; i++) {
if (!map->keys[i]) {
fl_value_unref(result);
return fl_value_new_null();
}
std::string key;
if (!ConvertNodeString(map->keys[i], budget, &key)) {
fl_value_unref(result);
return fl_value_new_null();
}
fl_value_set_string_take(result, key.c_str(), NodeToFlValue(&map->values[i], depth + 1, budget));
}
return result;
}
default:
return fl_value_new_null();
@@ -830,10 +1135,12 @@ void MpvPlayer::SendPropertyChange(const char* name, mpv_node* data) {
fl_value_append_take(list, fl_value_new_null());
}
std::lock_guard<std::mutex> lock(callback_mutex_);
if (event_callback_) {
event_callback_(list);
EventCallback callback;
{
std::lock_guard<std::mutex> lock(callback_mutex_);
callback = event_callback_;
}
if (callback) callback(list);
fl_value_unref(list);
}
@@ -845,19 +1152,23 @@ void MpvPlayer::SendEvent(const std::string& name, FlValue* data) {
fl_value_set_string_take(event_map, "data", fl_value_ref(data));
}
std::lock_guard<std::mutex> lock(callback_mutex_);
if (event_callback_) {
event_callback_(event_map);
EventCallback callback;
{
std::lock_guard<std::mutex> lock(callback_mutex_);
callback = event_callback_;
}
if (callback) callback(event_map);
fl_value_unref(event_map);
}
void MpvPlayer::SetHDREnabled(bool enabled, StatusCallback callback) {
hdr_enabled_ = enabled;
if (!mpv_) {
if (callback) callback(0);
return;
}
SetPropertyAsync("target-colorspace-hint", plezy::mpv_common::TargetColorspaceHint(enabled), std::move(callback));
SetPropertyAsync(
"target-colorspace-hint", plezy::mpv_common::TargetColorspaceHint(enabled),
[this, enabled, callback = std::move(callback)](int error) mutable {
if (plezy::mpv_common::SetPropertyStatusSucceeded(error) && !disposed_) {
hdr_enabled_ = enabled;
}
if (callback) callback(error);
});
}
} // namespace mpv
+59 -6
View File
@@ -32,6 +32,45 @@ using EventCallback = std::function<void(::_FlValue*)>;
/// Callback for requesting a redraw (called from mpv render update thread).
using RedrawCallback = std::function<void()>;
// Linux-runner-internal teardown boundary. A render context may only be
// released while its EGL context is current; the batch retains the shared mpv
// handle until every render/context pair has been safely released.
struct NativeRenderTeardownResource {
mpv_render_context* render = nullptr;
EGLDisplay display = EGL_NO_DISPLAY;
EGLContext context = EGL_NO_CONTEXT;
};
struct NativeRenderTeardownBatch {
std::vector<NativeRenderTeardownResource> resources;
mpv_handle* handle = nullptr;
std::shared_ptr<void> callback_keep_alive;
};
struct NativeRenderTeardownOperations {
std::function<bool(EGLDisplay, EGLContext)> make_current;
std::function<bool(EGLDisplay)> release_current;
std::function<bool(EGLDisplay, EGLContext)> destroy_context;
std::function<void(mpv_render_context*)> free_render;
std::function<void(mpv_handle*)> terminate_handle;
};
// Attempts one teardown pass. Failed resources remain owned by |batch| for a
// later retry, and |handle| is never terminated while any resource remains.
bool TryReleaseNativeRenderTeardown(NativeRenderTeardownBatch& batch, const NativeRenderTeardownOperations& operations);
// Releases render contexts retained by a failed initialization attempt. A
// false result must block another render-context creation on the same core.
bool TryReleaseRetainedNativeRenderContexts(
std::vector<NativeRenderTeardownResource>& resources, const NativeRenderTeardownOperations& operations);
#ifdef PLEZY_MPV_PLAYER_LIFECYCLE_TEST
// Focused-test boundary for exercising the process-lifetime teardown queue
// without invoking real EGL or libmpv resources.
void ConfigureNativeRenderTeardownQueueForTesting(NativeRenderTeardownOperations operations);
void EnqueueNativeRenderTeardownForTesting(NativeRenderTeardownBatch batch);
#endif
/// Wrapper for libmpv that handles initialization, OpenGL rendering,
/// commands, properties, and event dispatching.
class MpvPlayer {
@@ -55,26 +94,26 @@ class MpvPlayer {
bool InitRenderContext();
/// Returns true if the render context has been created.
bool HasRenderContext() const { return mpv_gl_ != nullptr; }
bool HasRenderContext() const;
/// Returns the isolated EGL display used for mpv rendering.
EGLDisplay GetEglDisplay() const { return egl_display_; }
EGLDisplay GetEglDisplay() const;
/// Returns the isolated EGL context used for mpv rendering.
EGLContext GetEglContext() const { return egl_context_; }
EGLContext GetEglContext() const;
/// Disposes mpv and releases resources.
void Dispose();
/// Returns true if mpv is initialized (has both mpv handle and render
/// context; audio-only players never have a render context).
bool IsInitialized() const { return mpv_ != nullptr && (audio_only_ || mpv_gl_ != nullptr); }
bool IsInitialized() const;
/// Returns true if this player has been disposed.
bool IsDisposed() const { return disposed_.load(); }
/// Returns true if mpv handle exists (even without render context).
bool HasMpvHandle() const { return mpv_ != nullptr; }
bool HasMpvHandle() const;
/// Queues an mpv command without waiting for completion.
void Command(const std::vector<std::string>& args);
@@ -120,6 +159,10 @@ class MpvPlayer {
/// Sets the MPV log message level (e.g., "warn", "v", "debug").
void SetLogLevel(const std::string& level);
/// Retries process-owned native teardown work on the managed EGL teardown
/// thread. Primarily useful before creating another render context.
static void RetryPendingNativeTeardown();
private:
class CallbackContext {
public:
@@ -149,6 +192,7 @@ class MpvPlayer {
Lease Acquire();
void DetachAndWait();
void WaitUntilDetached();
GMainContext* main_context() const { return main_context_; }
private:
@@ -193,13 +237,20 @@ class MpvPlayer {
/// Sends an event notification.
void SendEvent(const std::string& name, ::_FlValue* data = nullptr);
void MaybeRunAudioRecovery();
void TryAudioReload(const char* reason, int attempt);
void TryAudioReload(const char* reason, int attempt, uint64_t request_generation);
void EnsureAudioRecoveryTimer();
void LogRecovery(const std::string& text);
void SetHDREnabled(bool enabled, StatusCallback callback = nullptr);
struct NodeConversionBudget {
size_t remaining_entries;
size_t remaining_bytes;
};
/// Helper to convert mpv_node to FlValue.
::_FlValue* NodeToFlValue(mpv_node* node);
::_FlValue* NodeToFlValue(mpv_node* node, size_t depth, NodeConversionBudget* budget);
bool ConvertNodeString(const char* input, NodeConversionBudget* budget, std::string* result);
const bool audio_only_;
mpv_handle* mpv_ = nullptr;
@@ -208,6 +259,8 @@ class MpvPlayer {
// Isolated EGL context for mpv rendering (not shared with Flutter)
EGLDisplay egl_display_ = EGL_NO_DISPLAY;
EGLContext egl_context_ = EGL_NO_CONTEXT;
std::vector<NativeRenderTeardownResource> retained_render_contexts_;
mutable std::mutex native_mutex_;
std::atomic<bool> needs_redraw_{false};
std::atomic<bool> disposed_{false};
+490 -2
View File
@@ -1,6 +1,14 @@
#include <flutter_linux/flutter_linux.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <atomic>
#include <cerrno>
#include <chrono>
#include <condition_variable>
#include <csignal>
#include <cstdlib>
#include <exception>
#include <iostream>
#include <memory>
@@ -10,6 +18,56 @@
#include <utility>
#include "mpv_player.h"
#include "mpv_texture.h"
struct LifetimeTextureRegistrar {
GObject parent_instance;
FlTexture* texture;
};
struct LifetimeTextureRegistrarClass {
GObjectClass parent_class;
};
static void LifetimeTextureRegistrarInterfaceInit(FlTextureRegistrarInterface* interface);
static void LifetimeTextureRegistrarDispose(GObject* object);
static void lifetime_texture_registrar_class_init(LifetimeTextureRegistrarClass* klass);
static void lifetime_texture_registrar_init(LifetimeTextureRegistrar* self);
G_DEFINE_TYPE_WITH_CODE(
LifetimeTextureRegistrar, lifetime_texture_registrar, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE(fl_texture_registrar_get_type(), LifetimeTextureRegistrarInterfaceInit))
static gboolean LifetimeTextureRegistrarRegister(FlTextureRegistrar* registrar, FlTexture* texture) {
auto* self = reinterpret_cast<LifetimeTextureRegistrar*>(registrar);
if (self->texture) return FALSE;
self->texture = FL_TEXTURE(g_object_ref(texture));
return TRUE;
}
static gboolean LifetimeTextureRegistrarUnregister(FlTextureRegistrar* registrar, FlTexture* texture) {
auto* self = reinterpret_cast<LifetimeTextureRegistrar*>(registrar);
if (self->texture != texture) return FALSE;
g_clear_object(&self->texture);
return TRUE;
}
static void LifetimeTextureRegistrarInterfaceInit(FlTextureRegistrarInterface* interface) {
interface->register_texture = LifetimeTextureRegistrarRegister;
interface->unregister_texture = LifetimeTextureRegistrarUnregister;
}
static void LifetimeTextureRegistrarDispose(GObject* object) {
auto* self = reinterpret_cast<LifetimeTextureRegistrar*>(object);
g_clear_object(&self->texture);
G_OBJECT_CLASS(lifetime_texture_registrar_parent_class)->dispose(object);
}
static void lifetime_texture_registrar_class_init(LifetimeTextureRegistrarClass* klass) {
G_OBJECT_CLASS(klass)->dispose = LifetimeTextureRegistrarDispose;
}
static void lifetime_texture_registrar_init(LifetimeTextureRegistrar* self) { self->texture = nullptr; }
namespace mpv {
@@ -27,6 +85,9 @@ class MpvPlayerLifecycleTestPeer {
MpvPlayer::OnMpvRenderUpdate(context.get());
}
static void WaitUntilDetached(const std::shared_ptr<MpvPlayer::CallbackContext>& context) {
context->WaitUntilDetached();
}
static void ScheduleRecovery(MpvPlayer& player) { player.ScheduleRecoverySource(); }
static void RegisterPendingPropertyWrite(MpvPlayer& player, MpvPlayer::StatusCallback callback) {
@@ -38,6 +99,16 @@ class MpvPlayerLifecycleTestPeer {
return (player.wakeup_source_id_ != 0 ? 1 : 0) + (player.redraw_source_id_ != 0 ? 1 : 0) +
(player.recovery_source_id_ != 0 ? 1 : 0);
}
static FlValue* ConvertNode(MpvPlayer& player, mpv_node* node) { return player.NodeToFlValue(node); }
static FlValue* ConvertNodeWithBudget(
MpvPlayer& player, mpv_node* node, size_t remaining_entries, size_t remaining_bytes) {
MpvPlayer::NodeConversionBudget budget{remaining_entries, remaining_bytes};
return player.NodeToFlValue(node, 0, &budget);
}
static void RegisterObservedNode(MpvPlayer& player, const std::string& name, int id) {
player.observed_properties_.Register(name, "node", id);
}
static void HandleEvent(MpvPlayer& player, mpv_event* event) { player.HandleMpvEvent(event); }
static void HoldLease(
const std::shared_ptr<MpvPlayer::CallbackContext>& context, std::mutex& mutex, std::condition_variable& condition,
@@ -65,6 +136,291 @@ void Drain(GMainContext* context) {
}
}
bool WriteByte(int descriptor, char value) {
for (;;) {
const ssize_t written = write(descriptor, &value, 1);
if (written == 1) return true;
if (written < 0 && errno == EINTR) continue;
return false;
}
}
bool ReadByte(int descriptor, char expected) {
char value = '\0';
for (;;) {
const ssize_t received = read(descriptor, &value, 1);
if (received == 1) return value == expected;
if (received < 0 && errno == EINTR) continue;
return false;
}
}
[[noreturn]] void ExitBlockedTeardownChild(int status) { _exit(status); }
int RunBlockedTeardownShutdownChild(int progress_read, int progress_write, int release_read) {
auto* const completed_handle = reinterpret_cast<mpv_handle*>(0x11);
auto* const blocked_render = reinterpret_cast<mpv_render_context*>(0x12);
auto const blocked_display = reinterpret_cast<EGLDisplay>(0x13);
auto const blocked_context = reinterpret_cast<EGLContext>(0x14);
NativeRenderTeardownOperations operations{
[](EGLDisplay, EGLContext) { return true; },
[](EGLDisplay) { return true; },
[](EGLDisplay, EGLContext) { return true; },
[progress_write, release_read, blocked_render](mpv_render_context* render) {
if (render != blocked_render || !WriteByte(progress_write, 'B')) ExitBlockedTeardownChild(121);
char release = '\0';
for (;;) {
const ssize_t received = read(release_read, &release, 1);
if (received == 1) break;
if (received < 0 && errno == EINTR) continue;
ExitBlockedTeardownChild(122);
}
},
[progress_write, completed_handle](mpv_handle* handle) {
if (handle != completed_handle || !WriteByte(progress_write, 'R')) ExitBlockedTeardownChild(123);
},
};
ConfigureNativeRenderTeardownQueueForTesting(std::move(operations));
NativeRenderTeardownBatch completed_batch;
completed_batch.handle = completed_handle;
EnqueueNativeRenderTeardownForTesting(std::move(completed_batch));
if (!ReadByte(progress_read, 'R')) return 124;
NativeRenderTeardownBatch blocked_batch;
blocked_batch.resources.push_back({blocked_render, blocked_display, blocked_context});
EnqueueNativeRenderTeardownForTesting(std::move(blocked_batch));
if (!ReadByte(progress_read, 'B')) return 125;
// Returning through std::exit below deliberately begins normal static
// shutdown while the queue worker remains blocked in free_render.
return 0;
}
void TestProcessShutdownDoesNotJoinBlockedNativeTeardown() {
int progress_pipe[2] = {-1, -1};
int release_pipe[2] = {-1, -1};
Check(pipe(progress_pipe) == 0, "could not create teardown progress barrier");
if (pipe(release_pipe) != 0) {
close(progress_pipe[0]);
close(progress_pipe[1]);
Check(false, "could not create teardown release barrier");
}
const pid_t child = fork();
if (child == 0) {
close(release_pipe[1]);
const int status = RunBlockedTeardownShutdownChild(progress_pipe[0], progress_pipe[1], release_pipe[0]);
std::exit(status);
}
if (child < 0) {
close(progress_pipe[0]);
close(progress_pipe[1]);
close(release_pipe[0]);
close(release_pipe[1]);
Check(false, "could not create teardown shutdown subprocess");
}
close(progress_pipe[0]);
close(progress_pipe[1]);
close(release_pipe[0]);
std::mutex wait_mutex;
std::condition_variable wait_condition;
bool wait_finished = false;
pid_t wait_result = -1;
int child_status = 0;
std::thread waiter([&]() {
pid_t result;
do {
result = waitpid(child, &child_status, 0);
} while (result < 0 && errno == EINTR);
{
std::lock_guard<std::mutex> lock(wait_mutex);
wait_result = result;
wait_finished = true;
}
wait_condition.notify_one();
});
bool exited_before_deadline = false;
{
std::unique_lock<std::mutex> lock(wait_mutex);
exited_before_deadline = wait_condition.wait_for(lock, std::chrono::seconds(2), [&]() { return wait_finished; });
}
if (!exited_before_deadline) kill(child, SIGKILL);
close(release_pipe[1]);
waiter.join();
Check(exited_before_deadline, "normal process shutdown joined a deliberately blocked native teardown");
Check(wait_result == child, "could not collect teardown shutdown subprocess");
Check(WIFEXITED(child_status), "teardown shutdown subprocess terminated abnormally");
Check(WEXITSTATUS(child_status) == 0, "teardown shutdown subprocess did not reach normal static shutdown");
}
struct TextureLifetimeState {
std::mutex mutex;
std::condition_variable condition;
bool callback_entered = false;
bool release_callback = false;
std::atomic<bool> callback_finalized{false};
bool finalized_during_callback = false;
};
void BlockingTextureReadyCallback(gboolean, const gchar*, gpointer user_data) {
auto* state = static_cast<TextureLifetimeState*>(user_data);
{
std::lock_guard<std::mutex> lock(state->mutex);
state->callback_entered = true;
}
state->condition.notify_all();
std::unique_lock<std::mutex> lock(state->mutex);
state->condition.wait(lock, [state]() { return state->release_callback; });
state->finalized_during_callback = state->callback_finalized.load();
}
void TextureReadyCallbackFinalized(gpointer user_data) {
static_cast<TextureLifetimeState*>(user_data)->callback_finalized = true;
}
void TestPopulateRetainsTextureWhileBootstrapCallbackRuns() {
auto* registrar = FL_TEXTURE_REGISTRAR(g_object_new(lifetime_texture_registrar_get_type(), nullptr));
TextureLifetimeState state;
MpvTexture* texture = mpv_texture_new(nullptr, registrar, nullptr);
mpv_texture_set_ready_callback(texture, BlockingTextureReadyCallback, &state, TextureReadyCallbackFinalized);
Check(
fl_texture_registrar_register_texture(registrar, FL_TEXTURE(texture)),
"the lifetime fixture must retain the registered texture");
gboolean populate_result = TRUE;
GError* populate_error = nullptr;
std::thread raster_thread([&]() {
uint32_t target = 0;
uint32_t name = 0;
uint32_t width = 0;
uint32_t height = 0;
auto* texture_class = FL_TEXTURE_GL_GET_CLASS(texture);
populate_result = texture_class->populate(FL_TEXTURE_GL(texture), &target, &name, &width, &height, &populate_error);
});
{
std::unique_lock<std::mutex> lock(state.mutex);
state.condition.wait(lock, [&state]() { return state.callback_entered; });
}
// Match plugin teardown while populate is between releasing its mutex and
// returning from the ready callback. Unregister drops the registrar's
// reference before dispose drops the plugin's reference.
Check(
fl_texture_registrar_unregister_texture(registrar, FL_TEXTURE(texture)),
"the lifetime fixture must unregister the texture");
mpv_texture_dispose(texture);
g_object_unref(texture);
const bool finalized_before_populate_released = state.callback_finalized.load();
{
std::lock_guard<std::mutex> lock(state.mutex);
state.release_callback = true;
}
state.condition.notify_all();
raster_thread.join();
Check(
!finalized_before_populate_released,
"platform disposal finalized the texture while its populate callback was still running");
Check(
!state.finalized_during_callback,
"the ready callback was finalized before populate released its retained texture reference");
Check(state.callback_finalized.load(), "the texture callback was not finalized after populate returned");
Check(!populate_result, "a populate without a player must fail");
Check(populate_error != nullptr, "failed populate must report an error");
g_clear_error(&populate_error);
g_object_unref(registrar);
}
void TestNodeConversionRejectsMalformedPayloads() {
MpvPlayer player;
mpv_node missing_list{};
missing_list.format = MPV_FORMAT_NODE_ARRAY;
missing_list.u.list = nullptr;
FlValue* result = MpvPlayerLifecycleTestPeer::ConvertNode(player, &missing_list);
Check(fl_value_get_type(result) == FL_VALUE_TYPE_NULL, "a node array without storage must decode as null");
fl_value_unref(result);
mpv_node value{};
value.format = MPV_FORMAT_INT64;
value.u.int64 = 1;
char* missing_key = nullptr;
mpv_node_list malformed_map{1, &value, &missing_key};
mpv_node map{};
map.format = MPV_FORMAT_NODE_MAP;
map.u.list = &malformed_map;
result = MpvPlayerLifecycleTestPeer::ConvertNode(player, &map);
Check(fl_value_get_type(result) == FL_VALUE_TYPE_NULL, "a node map with a null key must decode as null");
fl_value_unref(result);
char invalid_utf8[] = {'a', static_cast<char>(0xFF), 'b', '\0'};
mpv_node text{};
text.format = MPV_FORMAT_STRING;
text.u.string = invalid_utf8;
result = MpvPlayerLifecycleTestPeer::ConvertNode(player, &text);
Check(
std::string(fl_value_get_string(result)) ==
"a\xEF\xBF\xBD"
"b",
"invalid UTF-8 must be replaced before entering the Flutter codec");
fl_value_unref(result);
char oversized_text[] = "bounded";
text.u.string = oversized_text;
result =
MpvPlayerLifecycleTestPeer::ConvertNodeWithBudget(player, &text, /*remaining_entries=*/1, /*remaining_bytes=*/6);
Check(fl_value_get_type(result) == FL_VALUE_TYPE_NULL, "a node string beyond the byte budget must decode as null");
fl_value_unref(result);
}
void TestNullNodePropertyPayloadDecodesAsNull() {
MpvPlayer player;
MpvPlayerLifecycleTestPeer::RegisterObservedNode(player, "track-list", 42);
bool delivered = false;
player.SetEventCallback([&delivered](FlValue* event) {
Check(fl_value_get_type(event) == FL_VALUE_TYPE_LIST, "property event must remain a list");
Check(fl_value_get_length(event) == 2, "property event must contain the ID and value");
Check(fl_value_get_int(fl_value_get_list_value(event, 0)) == 42, "property event ID changed");
Check(
fl_value_get_type(fl_value_get_list_value(event, 1)) == FL_VALUE_TYPE_NULL,
"a missing MPV node payload must decode as null");
delivered = true;
});
mpv_event_property property{};
property.name = "track-list";
property.format = MPV_FORMAT_NODE;
property.data = nullptr;
mpv_event event{};
event.event_id = MPV_EVENT_PROPERTY_CHANGE;
event.data = &property;
MpvPlayerLifecycleTestPeer::HandleEvent(player, &event);
Check(delivered, "null node property event was not delivered");
}
void TestUnavailableCommandFails() {
MpvPlayer player;
int callback_count = 0;
int status = MPV_ERROR_SUCCESS;
player.CommandAsync({"stop"}, [&](int error) {
++callback_count;
status = error;
});
Check(callback_count == 1, "a command without an mpv handle must complete exactly once");
Check(status == MPV_ERROR_UNINITIALIZED, "a command without an mpv handle must fail as uninitialized");
}
void TestUnavailablePropertyWriteFails() {
MpvPlayer player;
int callback_count = 0;
@@ -113,7 +469,6 @@ void TestQueuedSourcesAreRetired(GMainContext* context) {
MpvPlayerLifecycleTestPeer::Wakeup(callback_context);
MpvPlayerLifecycleTestPeer::RenderUpdate(callback_context);
std::this_thread::sleep_for(std::chrono::milliseconds(125));
Drain(context);
Check(redraws == 0, "detached callbacks must not publish redraws");
}
@@ -138,7 +493,7 @@ void TestNativeLeaseBlocksDispose() {
player->Dispose();
disposed = true;
});
std::this_thread::sleep_for(std::chrono::milliseconds(25));
MpvPlayerLifecycleTestPeer::WaitUntilDetached(callback_context);
Check(!disposed.load(), "dispose returned while a native callback lease was active");
{
@@ -206,6 +561,131 @@ void TestRapidReplacementCannotReceiveOldCallbacks(GMainContext* context) {
}
}
void TestRenderTeardownRetainsOwnershipUntilContextIsCurrent() {
NativeRenderTeardownBatch batch;
auto* render = reinterpret_cast<mpv_render_context*>(1);
auto* handle = reinterpret_cast<mpv_handle*>(2);
auto display = reinterpret_cast<EGLDisplay>(3);
auto context = reinterpret_cast<EGLContext>(4);
batch.resources.push_back({render, display, context});
batch.handle = handle;
bool allow_make_current = false;
bool allow_release = true;
int make_current_calls = 0;
int release_calls = 0;
int free_calls = 0;
int destroy_calls = 0;
int terminate_calls = 0;
NativeRenderTeardownOperations operations{
[&](EGLDisplay actual_display, EGLContext actual_context) {
Check(actual_display == display && actual_context == context, "teardown must bind the retained EGL context");
++make_current_calls;
return allow_make_current;
},
[&](EGLDisplay actual_display) {
Check(actual_display == display, "teardown must release the retained EGL display");
++release_calls;
return allow_release;
},
[&](EGLDisplay actual_display, EGLContext actual_context) {
Check(actual_display == display && actual_context == context, "teardown destroyed the wrong EGL context");
++destroy_calls;
return true;
},
[&](mpv_render_context* actual_render) {
Check(actual_render == render, "teardown freed the wrong render context");
++free_calls;
},
[&](mpv_handle* actual_handle) {
Check(actual_handle == handle, "teardown terminated the wrong mpv handle");
++terminate_calls;
},
};
Check(!TryReleaseNativeRenderTeardown(batch, operations), "a failed EGL bind must retain the native teardown batch");
Check(make_current_calls == 1, "teardown must attempt to bind the required EGL context");
Check(
free_calls == 0 && release_calls == 0 && destroy_calls == 0 && terminate_calls == 0,
"a failed EGL bind must not free, destroy, or terminate dependent native objects");
Check(
batch.resources.size() == 1 && batch.resources.front().render == render && batch.handle == handle,
"a failed EGL bind must preserve complete ownership for retry");
allow_make_current = true;
Check(TryReleaseNativeRenderTeardown(batch, operations), "a later valid EGL bind must complete retained teardown");
Check(batch.resources.empty() && batch.handle == nullptr, "successful retry must consume the teardown batch");
Check(
free_calls == 1 && release_calls == 1 && destroy_calls == 1 && terminate_calls == 1,
"successful retry must release the render, EGL context, and then the shared handle exactly once");
}
void TestRenderTeardownDoesNotDestroyAStillCurrentContext() {
NativeRenderTeardownBatch batch;
auto* render = reinterpret_cast<mpv_render_context*>(5);
auto* handle = reinterpret_cast<mpv_handle*>(6);
auto display = reinterpret_cast<EGLDisplay>(7);
auto context = reinterpret_cast<EGLContext>(8);
batch.resources.push_back({render, display, context});
batch.handle = handle;
bool allow_release = false;
int free_calls = 0;
int destroy_calls = 0;
int terminate_calls = 0;
NativeRenderTeardownOperations operations{
[](EGLDisplay, EGLContext) { return true; },
[&](EGLDisplay) { return allow_release; },
[&](EGLDisplay, EGLContext) {
++destroy_calls;
return true;
},
[&](mpv_render_context*) { ++free_calls; },
[&](mpv_handle*) { ++terminate_calls; },
};
Check(!TryReleaseNativeRenderTeardown(batch, operations), "a context that cannot be released must remain queued");
Check(free_calls == 1, "the render context may be freed only after its EGL context became current");
Check(
destroy_calls == 0 && terminate_calls == 0 && batch.resources.front().render == nullptr,
"failed EGL release must retain the context and handle without double-freeing the render");
allow_release = true;
Check(TryReleaseNativeRenderTeardown(batch, operations), "a later EGL release must finish teardown");
Check(
free_calls == 1 && destroy_calls == 1 && terminate_calls == 1,
"retry must not repeat render-context destruction");
}
void TestRetainedRenderBlocksAnotherCreationUntilReleased() {
std::vector<NativeRenderTeardownResource> retained{
{reinterpret_cast<mpv_render_context*>(9), reinterpret_cast<EGLDisplay>(10), reinterpret_cast<EGLContext>(11)}};
bool allow_make_current = false;
int free_calls = 0;
int destroy_calls = 0;
int render_creations = 0;
NativeRenderTeardownOperations operations{
[&](EGLDisplay, EGLContext) { return allow_make_current; },
[](EGLDisplay) { return true; },
[&](EGLDisplay, EGLContext) {
++destroy_calls;
return true;
},
[&](mpv_render_context*) { ++free_calls; },
[](mpv_handle*) { Check(false, "retained initialization cleanup must not terminate the shared core"); },
};
if (TryReleaseRetainedNativeRenderContexts(retained, operations)) ++render_creations;
Check(render_creations == 0, "a retained render context must block another creation on the same core");
Check(retained.size() == 1, "failed retained cleanup must preserve ownership for another GL-thread retry");
allow_make_current = true;
if (TryReleaseRetainedNativeRenderContexts(retained, operations)) ++render_creations;
Check(render_creations == 1, "render creation may resume after retained teardown completes");
Check(retained.empty(), "successful retained teardown must consume the old render context");
Check(free_calls == 1 && destroy_calls == 1, "retained teardown must release each native object exactly once");
}
} // namespace
} // namespace mpv
@@ -214,12 +694,20 @@ int main() {
g_main_context_push_thread_default(context);
try {
mpv::TestProcessShutdownDoesNotJoinBlockedNativeTeardown();
mpv::TestPopulateRetainsTextureWhileBootstrapCallbackRuns();
mpv::TestUnavailablePropertyWriteFails();
mpv::TestNodeConversionRejectsMalformedPayloads();
mpv::TestUnavailableCommandFails();
mpv::TestPendingPropertyWriteFailsOnDispose();
mpv::TestQueuedSourcesAreRetired(context);
mpv::TestNativeLeaseBlocksDispose();
mpv::TestWakeupAndRedrawCoalesce(context);
mpv::TestRapidReplacementCannotReceiveOldCallbacks(context);
mpv::TestRenderTeardownRetainsOwnershipUntilContextIsCurrent();
mpv::TestRenderTeardownDoesNotDestroyAStillCurrentContext();
mpv::TestNullNodePropertyPayloadDecodesAsNull();
mpv::TestRetainedRenderBlocksAnotherCreationUntilReleased();
} catch (const std::exception& error) {
g_main_context_pop_thread_default(context);
g_main_context_unref(context);
+193 -56
View File
@@ -1,9 +1,13 @@
#include "mpv_plugin.h"
#include <cstring>
#include <new>
#include "mpv_texture.h"
enum class VideoBootstrapState { kIdle, kPending, kReady, kFailed };
using PlayerPtr = std::unique_ptr<mpv::MpvPlayer>;
struct _MpvPlugin {
GObject parent_instance;
@@ -12,11 +16,17 @@ struct _MpvPlugin {
FlEventChannel* event_channel;
FlTextureRegistrar* texture_registrar;
std::unique_ptr<mpv::MpvPlayer> player;
PlayerPtr player;
MpvTexture* texture; // owned via GObject ref
gboolean texture_registered;
gboolean visible;
gboolean initialized;
gboolean audio_only;
VideoBootstrapState bootstrap_state;
gchar* bootstrap_error;
FlMethodCall* ready_call;
guint64 generation;
guint ready_timeout_source_id;
};
G_DEFINE_TYPE(MpvPlugin, mpv_plugin, G_TYPE_OBJECT)
@@ -27,48 +37,163 @@ static void mpv_plugin_handle_method_call(FlMethodChannel* channel, FlMethodCall
static void send_event(MpvPlugin* self, FlValue* event) {
if (self->event_channel) {
g_autoptr(GError) error = nullptr;
if (!fl_event_channel_send(self->event_channel, event, nullptr, &error)) {
if (error != nullptr) {
g_warning("Failed to send event: %s", error->message);
}
if (!fl_event_channel_send(self->event_channel, event, nullptr, &error) && error != nullptr) {
g_warning("Failed to send event: %s", error->message);
}
}
}
static void mpv_plugin_dispose(GObject* object) {
MpvPlugin* self = MPV_PLUGIN(object);
static gboolean handle_ready_timeout(gpointer user_data);
// Texture must be disposed BEFORE player — mpv_texture_dispose needs
// the player's EGL context to clean up GL resources.
static void complete_ready_call(MpvPlugin* self, gboolean success, const char* message) {
if (self->ready_timeout_source_id != 0) {
g_source_remove(self->ready_timeout_source_id);
self->ready_timeout_source_id = 0;
}
if (!self->ready_call) return;
g_autoptr(FlMethodResponse) response =
success ? FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr))
: FL_METHOD_RESPONSE(fl_method_error_response_new(
"INIT_FAILED", message ? message : "Video initialization failed", nullptr));
fl_method_call_respond(self->ready_call, response, nullptr);
g_object_unref(self->ready_call);
self->ready_call = nullptr;
}
static void release_video_resources(MpvPlugin* self) {
++self->generation;
if (self->player) {
// The texture is a raw callback target. Revoke both callback paths before
// unregistering or unreferencing it; Dispose then drains any callback
// already holding a native lease.
self->player->SetRedrawCallback(nullptr);
self->player->SetEventCallback(nullptr);
}
if (self->texture) {
mpv_texture_dispose(self->texture);
if (self->texture_registrar) {
if (self->texture_registered && self->texture_registrar) {
fl_texture_registrar_unregister_texture(self->texture_registrar, FL_TEXTURE(self->texture));
self->texture_registered = FALSE;
}
mpv_texture_dispose(self->texture);
g_object_unref(self->texture);
self->texture = nullptr;
}
if (self->player) {
self->player->Dispose();
self->player.reset();
}
self->initialized = FALSE;
self->visible = FALSE;
}
struct TextureReadyContext {
MpvPlugin* plugin;
guint64 generation;
};
struct TextureReadyResult {
MpvPlugin* plugin;
guint64 generation;
gboolean success;
gchar* message;
};
static gboolean handle_texture_ready_result(gpointer data) {
auto* result = static_cast<TextureReadyResult*>(data);
MpvPlugin* self = result->plugin;
if (result->generation != self->generation || self->bootstrap_state != VideoBootstrapState::kPending) {
return G_SOURCE_REMOVE;
}
if (result->success) {
self->bootstrap_state = VideoBootstrapState::kReady;
self->initialized = TRUE;
complete_ready_call(self, TRUE, nullptr);
} else {
self->bootstrap_state = VideoBootstrapState::kFailed;
g_free(self->bootstrap_error);
self->bootstrap_error = g_strdup(result->message ? result->message : "Video initialization failed");
complete_ready_call(self, FALSE, self->bootstrap_error);
release_video_resources(self);
}
return G_SOURCE_REMOVE;
}
static void destroy_texture_ready_result(gpointer data) {
auto* result = static_cast<TextureReadyResult*>(data);
g_object_unref(result->plugin);
g_free(result->message);
delete result;
}
static void on_texture_ready(gboolean success, const gchar* message, gpointer user_data) {
auto* context = static_cast<TextureReadyContext*>(user_data);
auto* result = new TextureReadyResult{
MPV_PLUGIN(g_object_ref(context->plugin)),
context->generation,
success,
g_strdup(message),
};
g_main_context_invoke_full(
nullptr, G_PRIORITY_DEFAULT, handle_texture_ready_result, result, destroy_texture_ready_result);
}
static void destroy_texture_ready_context(gpointer data) {
auto* context = static_cast<TextureReadyContext*>(data);
g_object_unref(context->plugin);
delete context;
}
static gboolean handle_ready_timeout(gpointer user_data) {
MpvPlugin* self = MPV_PLUGIN(user_data);
self->ready_timeout_source_id = 0;
if (self->bootstrap_state != VideoBootstrapState::kPending || !self->ready_call) {
return G_SOURCE_REMOVE;
}
self->bootstrap_state = VideoBootstrapState::kFailed;
g_free(self->bootstrap_error);
self->bootstrap_error = g_strdup("Video texture did not become ready before the initialization deadline");
complete_ready_call(self, FALSE, self->bootstrap_error);
release_video_resources(self);
return G_SOURCE_REMOVE;
}
static void mpv_plugin_dispose(GObject* object) {
MpvPlugin* self = MPV_PLUGIN(object);
complete_ready_call(self, FALSE, "Video initialization was cancelled");
release_video_resources(self);
self->bootstrap_state = VideoBootstrapState::kIdle;
g_clear_pointer(&self->bootstrap_error, g_free);
g_clear_object(&self->method_channel);
g_clear_object(&self->event_channel);
g_clear_object(&self->registrar);
G_OBJECT_CLASS(mpv_plugin_parent_class)->dispose(object);
}
static void mpv_plugin_class_init(MpvPluginClass* klass) { G_OBJECT_CLASS(klass)->dispose = mpv_plugin_dispose; }
static void mpv_plugin_finalize(GObject* object) {
MpvPlugin* self = MPV_PLUGIN(object);
self->player.~PlayerPtr();
G_OBJECT_CLASS(mpv_plugin_parent_class)->finalize(object);
}
static void mpv_plugin_class_init(MpvPluginClass* klass) {
G_OBJECT_CLASS(klass)->dispose = mpv_plugin_dispose;
G_OBJECT_CLASS(klass)->finalize = mpv_plugin_finalize;
}
static void mpv_plugin_init(MpvPlugin* self) {
new (&self->player) PlayerPtr();
self->visible = FALSE;
self->initialized = FALSE;
self->texture = nullptr;
self->texture_registered = FALSE;
self->texture_registrar = nullptr;
self->audio_only = FALSE;
self->bootstrap_state = VideoBootstrapState::kIdle;
self->bootstrap_error = nullptr;
self->ready_call = nullptr;
self->generation = 0;
self->ready_timeout_source_id = 0;
}
MpvPlugin* mpv_plugin_new(FlPluginRegistrar* registrar, const gchar* channel_name, gboolean audio_only) {
@@ -135,61 +260,73 @@ static void mpv_plugin_handle_method_call(FlMethodChannel* channel, FlMethodCall
response =
FL_METHOD_RESPONSE(fl_method_error_response_new("INIT_FAILED", "Failed to initialize MPV player", nullptr));
}
} else if (self->initialized && self->texture) {
// Already initialized — return existing texture ID
} else if (
self->texture && (self->bootstrap_state == VideoBootstrapState::kPending ||
self->bootstrap_state == VideoBootstrapState::kReady)) {
response =
FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_int(mpv_texture_get_id(self->texture))));
} else {
// Create player if it was disposed or doesn't exist
g_clear_pointer(&self->bootstrap_error, g_free);
self->bootstrap_state = VideoBootstrapState::kIdle;
if (!self->player || self->player->IsDisposed()) {
self->player = std::make_unique<mpv::MpvPlayer>();
}
if (self->player->Initialize()) {
// Create the FlTextureGL and register it
if (!self->player->Initialize()) {
release_video_resources(self);
self->bootstrap_state = VideoBootstrapState::kFailed;
self->bootstrap_error = g_strdup("Failed to initialize MPV player");
response = FL_METHOD_RESPONSE(fl_method_error_response_new("INIT_FAILED", self->bootstrap_error, nullptr));
} else {
FlView* view = fl_plugin_registrar_get_view(self->registrar);
self->texture = mpv_texture_new(self->player.get(), self->texture_registrar, view);
++self->generation;
self->bootstrap_state = VideoBootstrapState::kPending;
auto* ready_context = new TextureReadyContext{MPV_PLUGIN(g_object_ref(self)), self->generation};
mpv_texture_set_ready_callback(self->texture, on_texture_ready, ready_context, destroy_texture_ready_context);
fl_texture_registrar_register_texture(self->texture_registrar, FL_TEXTURE(self->texture));
// Create the render context eagerly — mpv needs it BEFORE any
// file is loaded, otherwise VO init fails with "No render context
// set" and the video track is dropped entirely.
self->player->InitRenderContext();
// Set redraw callback: when mpv has a frame, mark texture available
MpvTexture* tex = self->texture;
self->player->SetRedrawCallback([tex]() { mpv_texture_mark_frame_available(tex); });
self->initialized = TRUE;
// Set up event callback
self->player->SetEventCallback([self](FlValue* event) { send_event(self, event); });
// Return the texture ID for the Dart Texture widget
response =
FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_int(mpv_texture_get_id(self->texture))));
} else {
response =
FL_METHOD_RESPONSE(fl_method_error_response_new("INIT_FAILED", "Failed to initialize MPV player", nullptr));
if (!fl_texture_registrar_register_texture(self->texture_registrar, FL_TEXTURE(self->texture))) {
self->bootstrap_state = VideoBootstrapState::kFailed;
self->bootstrap_error = g_strdup("Failed to register video texture");
release_video_resources(self);
response = FL_METHOD_RESPONSE(fl_method_error_response_new("INIT_FAILED", self->bootstrap_error, nullptr));
} else {
self->texture_registered = TRUE;
MpvTexture* texture = self->texture;
self->player->SetRedrawCallback([texture]() { mpv_texture_mark_frame_available(texture); });
self->player->SetEventCallback([self](FlValue* event) { send_event(self, event); });
mpv_texture_mark_frame_available(self->texture);
response =
FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_int(mpv_texture_get_id(self->texture))));
}
}
}
} else if (strcmp(method, "waitForVideoReady") == 0) {
if (self->audio_only) {
response = FL_METHOD_RESPONSE(
fl_method_error_response_new("INIT_FAILED", "Audio players have no video readiness state", nullptr));
} else if (self->bootstrap_state == VideoBootstrapState::kReady && self->initialized) {
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
} else if (self->bootstrap_state == VideoBootstrapState::kFailed) {
response = FL_METHOD_RESPONSE(fl_method_error_response_new(
"INIT_FAILED", self->bootstrap_error ? self->bootstrap_error : "Video initialization failed", nullptr));
} else if (self->bootstrap_state != VideoBootstrapState::kPending || !self->texture) {
response = FL_METHOD_RESPONSE(
fl_method_error_response_new("INIT_FAILED", "Video initialization is not pending", nullptr));
} else if (self->ready_call) {
response = FL_METHOD_RESPONSE(
fl_method_error_response_new("INIT_IN_PROGRESS", "Video readiness is already being awaited", nullptr));
} else {
self->ready_call = FL_METHOD_CALL(g_object_ref(method_call));
self->ready_timeout_source_id =
g_timeout_add_seconds_full(G_PRIORITY_DEFAULT, 5, handle_ready_timeout, g_object_ref(self), g_object_unref);
return;
}
} else if (strcmp(method, "dispose") == 0) {
// Disconnect and unregister texture FIRST — this stops Flutter from
// calling populate(), preventing concurrent mpv_render_context_render()
// during player disposal.
if (self->texture) {
mpv_texture_dispose(self->texture);
fl_texture_registrar_unregister_texture(self->texture_registrar, FL_TEXTURE(self->texture));
g_object_unref(self->texture);
self->texture = nullptr;
}
if (self->player) {
self->player->Dispose();
self->player.reset();
}
self->initialized = FALSE;
self->visible = FALSE;
complete_ready_call(self, FALSE, "Video initialization was cancelled");
release_video_resources(self);
self->bootstrap_state = VideoBootstrapState::kIdle;
g_clear_pointer(&self->bootstrap_error, g_free);
response = FL_METHOD_RESPONSE(fl_method_success_response_new(nullptr));
} else if (strcmp(method, "command") == 0) {
if (!self->player || !self->initialized) {
+465 -186
View File
@@ -3,199 +3,467 @@
#include <epoxy/egl.h>
#include <epoxy/gl.h>
// EGLImage extension function pointers
typedef EGLImageKHR (*PFNEGLCREATEIMAGEKHRPROC)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLint*);
typedef EGLBoolean (*PFNEGLDESTROYIMAGEKHRPROC)(EGLDisplay, EGLImageKHR);
typedef void (*PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)(GLenum, GLeglImageOES);
#include <algorithm>
#include <cstdint>
#include <string>
#include <vector>
static PFNEGLCREATEIMAGEKHRPROC _eglCreateImageKHR = nullptr;
static PFNEGLDESTROYIMAGEKHRPROC _eglDestroyImageKHR = nullptr;
static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC _glEGLImageTargetTexture2DOES = nullptr;
#include "mpv_gpu_bootstrap.h"
static void init_egl_image_extensions() {
static bool initialized = false;
if (!initialized) {
_eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC)eglGetProcAddress("eglCreateImageKHR");
_eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC)eglGetProcAddress("eglDestroyImageKHR");
_glEGLImageTargetTexture2DOES =
(PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)eglGetProcAddress("glEGLImageTargetTexture2DOES");
initialized = true;
namespace {
GQuark TextureErrorDomain() { return g_quark_from_static_string("plezy-mpv-texture"); }
struct TextureResources {
GLuint mpv_fbo = 0;
GLuint mpv_texture = 0;
GLuint flutter_texture = 0;
EGLImageKHR egl_image = EGL_NO_IMAGE_KHR;
int32_t width = 0;
int32_t height = 0;
bool complete() const {
return mpv_fbo != 0 && mpv_texture != 0 && flutter_texture != 0 && egl_image != EGL_NO_IMAGE_KHR;
}
};
bool SetError(GError** error, const char* message) {
g_set_error_literal(error, TextureErrorDomain(), 1, message);
return false;
}
void ClearGlErrors() {
while (glGetError() != GL_NO_ERROR) {
}
}
} // namespace
struct _MpvTexture {
FlTextureGL parent_instance;
mpv::MpvPlayer* player; // not owned
FlTextureRegistrar* registrar; // not owned
FlView* view; // not owned, for querying allocation size
mpv::MpvPlayer* player;
FlTextureRegistrar* registrar;
FlView* view;
// mpv's FBO and texture (owned by mpv's isolated EGL context)
GLuint mpv_fbo;
GLuint mpv_texture;
GMutex mutex;
bool disposed;
TextureResources* active;
std::vector<TextureResources>* retired;
mpv::GpuImageDispatch* image_dispatch;
EGLDisplay flutter_display;
EGLContext flutter_share_context;
EGLContext flutter_cleanup_context;
// Flutter's texture (owned by Flutter's EGL context)
GLuint flutter_texture;
// EGLImage bridging the two contexts
EGLImageKHR egl_image;
int32_t width;
int32_t height;
GMutex bootstrap_mutex;
gint bootstrap_state;
gchar* bootstrap_error;
MpvTextureReadyCallback ready_callback;
gpointer ready_user_data;
GDestroyNotify ready_destroy_notify;
};
G_DEFINE_TYPE(MpvTexture, mpv_texture, fl_texture_gl_get_type())
// Create/resize the FBO in mpv's context and the shared EGLImage + Flutter texture.
static void ensure_textures(MpvTexture* self, int32_t w, int32_t h) {
if (self->mpv_fbo != 0 && self->width == w && self->height == h) {
return;
namespace {
void SignalBootstrap(MpvTexture* self, gboolean success, const char* message) {
MpvTextureReadyCallback callback = nullptr;
gpointer user_data = nullptr;
g_mutex_lock(&self->bootstrap_mutex);
if (self->bootstrap_state == 0) {
self->bootstrap_state = success ? 1 : 2;
if (!success) self->bootstrap_error = g_strdup(message ? message : "Video initialization failed");
callback = self->ready_callback;
user_data = self->ready_user_data;
}
EGLDisplay egl_display = self->player->GetEglDisplay();
EGLContext egl_context = self->player->GetEglContext();
// Save Flutter's current EGL state
EGLDisplay flutter_display = eglGetCurrentDisplay();
EGLContext flutter_context = eglGetCurrentContext();
EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
// --- Switch to mpv's isolated context ---
eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context);
// Clean up previous mpv resources
if (self->mpv_texture != 0) {
glDeleteTextures(1, &self->mpv_texture);
}
if (self->mpv_fbo != 0) {
glDeleteFramebuffers(1, &self->mpv_fbo);
}
if (self->egl_image != EGL_NO_IMAGE_KHR) {
_eglDestroyImageKHR(egl_display, self->egl_image);
}
self->width = w;
self->height = h;
// Create mpv's texture and FBO
glGenTextures(1, &self->mpv_texture);
glBindTexture(GL_TEXTURE_2D, self->mpv_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &self->mpv_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, self->mpv_fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self->mpv_texture, 0);
// Create EGLImage from mpv's texture for cross-context sharing
EGLint image_attribs[] = {EGL_NONE};
self->egl_image = _eglCreateImageKHR(
egl_display, egl_context, EGL_GL_TEXTURE_2D_KHR, (EGLClientBuffer)(uintptr_t)self->mpv_texture, image_attribs);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glFlush();
// --- Switch back to Flutter's context ---
eglMakeCurrent(flutter_display, flutter_draw, flutter_read, flutter_context);
// Clean up previous Flutter texture
if (self->flutter_texture != 0) {
glDeleteTextures(1, &self->flutter_texture);
}
// Create Flutter's texture backed by the EGLImage
glGenTextures(1, &self->flutter_texture);
glBindTexture(GL_TEXTURE_2D, self->flutter_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
_glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, self->egl_image);
glBindTexture(GL_TEXTURE_2D, 0);
g_mutex_unlock(&self->bootstrap_mutex);
if (callback) callback(success, message, user_data);
}
static gboolean mpv_texture_populate(
FlTextureGL* gl_texture, uint32_t* target, uint32_t* name, uint32_t* width, uint32_t* height, GError** error) {
MpvTexture* self = MPV_TEXTURE(gl_texture);
bool RestoreContext(
EGLDisplay display, EGLSurface draw, EGLSurface read, EGLContext context, EGLenum api, GError** error) {
if (api != EGL_NONE && !eglBindAPI(api)) {
g_warning("MPV texture: failed to restore Flutter EGL API: 0x%x", eglGetError());
return SetError(error, "Failed to restore Flutter EGL API");
}
if (eglMakeCurrent(display, draw, read, context)) return true;
g_warning("MPV texture: failed to restore EGL context: 0x%x", eglGetError());
return SetError(error, "Failed to restore Flutter EGL context");
}
if (!self->player) {
return FALSE;
void RestoreOrReleaseContext(
EGLDisplay flutter_display, EGLSurface flutter_draw, EGLSurface flutter_read, EGLContext flutter_context,
EGLenum flutter_api, EGLDisplay mpv_display) {
if (flutter_display != EGL_NO_DISPLAY && flutter_context != EGL_NO_CONTEXT) {
const bool api_restored = flutter_api == EGL_NONE || eglBindAPI(flutter_api);
if (api_restored && eglMakeCurrent(flutter_display, flutter_draw, flutter_read, flutter_context)) return;
g_warning("MPV texture: failed to restore EGL state during cleanup: 0x%x", eglGetError());
}
// Lazily create the mpv render context on first populate() call,
// since Flutter's GL context is current here.
if (!self->player->HasRenderContext()) {
if (!self->player->InitRenderContext()) {
g_set_error(error, g_quark_from_static_string("mpv"), 0, "Failed to create mpv render context");
return FALSE;
if (mpv_display != EGL_NO_DISPLAY) {
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
g_warning("MPV texture: failed to bind OpenGL while releasing cleanup context: 0x%x", eglGetError());
} else if (!eglMakeCurrent(mpv_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
g_warning("MPV texture: failed to release EGL context during cleanup: 0x%x", eglGetError());
}
}
if (flutter_api != EGL_NONE && !eglBindAPI(flutter_api)) {
g_warning("MPV texture: failed to restore Flutter EGL API after cleanup: 0x%x", eglGetError());
}
}
bool ResourceSetEmpty(const TextureResources& resources) {
return resources.mpv_fbo == 0 && resources.mpv_texture == 0 && resources.flutter_texture == 0 &&
resources.egl_image == EGL_NO_IMAGE_KHR;
}
bool EnsureFlutterCleanupContext(
MpvTexture* self, EGLDisplay flutter_display, EGLContext flutter_context, EGLenum flutter_api, GError** error) {
if (self->flutter_cleanup_context != EGL_NO_CONTEXT) {
if (self->flutter_display == flutter_display && self->flutter_share_context == flutter_context) return true;
return SetError(error, "Flutter EGL context changed while video textures were active");
}
if (flutter_api != EGL_OPENGL_ES_API) {
return SetError(error, "Flutter is not using an OpenGL ES context");
}
EGLint config_id = 0;
EGLint client_version = 0;
if (!eglQueryContext(flutter_display, flutter_context, EGL_CONFIG_ID, &config_id) ||
!eglQueryContext(flutter_display, flutter_context, EGL_CONTEXT_CLIENT_VERSION, &client_version)) {
g_warning("MPV texture: failed to query Flutter EGL context: 0x%x", eglGetError());
return SetError(error, "Failed to query Flutter EGL context");
}
EGLConfig config = nullptr;
EGLint num_configs = 0;
const EGLint config_attribs[] = {EGL_CONFIG_ID, config_id, EGL_NONE};
if (!eglChooseConfig(flutter_display, config_attribs, &config, 1, &num_configs) || num_configs != 1) {
g_warning("MPV texture: failed to select Flutter EGL config: 0x%x", eglGetError());
return SetError(error, "Failed to select Flutter EGL config");
}
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
g_warning("MPV texture: failed to bind OpenGL ES for cleanup context creation: 0x%x", eglGetError());
return SetError(error, "Failed to bind OpenGL ES for video cleanup");
}
const EGLint context_attribs[] = {EGL_CONTEXT_CLIENT_VERSION, client_version, EGL_NONE};
const EGLContext cleanup_context = eglCreateContext(flutter_display, config, flutter_context, context_attribs);
const bool api_restored = eglBindAPI(flutter_api) == EGL_TRUE;
if (cleanup_context == EGL_NO_CONTEXT || !api_restored) {
if (cleanup_context != EGL_NO_CONTEXT && !eglDestroyContext(flutter_display, cleanup_context)) {
g_warning("MPV texture: failed to destroy rejected cleanup context: 0x%x", eglGetError());
}
if (!api_restored) {
g_warning("MPV texture: failed to restore Flutter EGL API after cleanup context creation: 0x%x", eglGetError());
}
return SetError(error, "Failed to create video cleanup context");
}
self->flutter_display = flutter_display;
self->flutter_share_context = flutter_context;
self->flutter_cleanup_context = cleanup_context;
return true;
}
void DestroyFlutterCleanupContext(MpvTexture* self) {
if (self->flutter_cleanup_context == EGL_NO_CONTEXT || self->flutter_display == EGL_NO_DISPLAY) return;
const EGLenum previous_api = eglQueryAPI();
if (eglGetCurrentContext() == self->flutter_cleanup_context) {
if (!eglBindAPI(EGL_OPENGL_ES_API) ||
!eglMakeCurrent(self->flutter_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
g_warning("MPV texture: failed to release Flutter cleanup context: 0x%x", eglGetError());
}
}
if (!eglDestroyContext(self->flutter_display, self->flutter_cleanup_context)) {
g_warning("MPV texture: failed to destroy Flutter cleanup context: 0x%x", eglGetError());
}
if (previous_api != EGL_NONE && !eglBindAPI(previous_api)) {
g_warning("MPV texture: failed to restore EGL API after cleanup context destruction: 0x%x", eglGetError());
}
self->flutter_cleanup_context = EGL_NO_CONTEXT;
self->flutter_share_context = EGL_NO_CONTEXT;
self->flutter_display = EGL_NO_DISPLAY;
}
void RetireIncompleteCandidate(MpvTexture* self, const TextureResources& candidate) {
if (!ResourceSetEmpty(candidate)) self->retired->push_back(candidate);
}
void CleanupResourceSet(
MpvTexture* self, TextureResources* resources, EGLDisplay flutter_display, EGLSurface flutter_draw,
EGLSurface flutter_read, EGLContext flutter_context, EGLenum flutter_api) {
const EGLDisplay mpv_display = self->player ? self->player->GetEglDisplay() : EGL_NO_DISPLAY;
const EGLContext mpv_context = self->player ? self->player->GetEglContext() : EGL_NO_CONTEXT;
if (resources->egl_image != EGL_NO_IMAGE_KHR && mpv_display != EGL_NO_DISPLAY && self->image_dispatch &&
*self->image_dispatch) {
if (self->image_dispatch->Destroy(mpv_display, resources->egl_image)) {
resources->egl_image = EGL_NO_IMAGE_KHR;
} else {
g_warning("MPV texture: failed to destroy EGL image: 0x%x", eglGetError());
}
}
// Determine target size from the FlView widget allocation.
GtkAllocation alloc;
gtk_widget_get_allocation(GTK_WIDGET(self->view), &alloc);
int scale = gtk_widget_get_scale_factor(GTK_WIDGET(self->view));
int32_t w = alloc.width * scale;
int32_t h = alloc.height * scale;
if (resources->flutter_texture) {
const bool flutter_current = flutter_display == self->flutter_display &&
flutter_context == self->flutter_share_context && flutter_context != EGL_NO_CONTEXT &&
eglGetCurrentContext() == self->flutter_share_context;
const bool cleanup_current =
!flutter_current && self->flutter_display != EGL_NO_DISPLAY &&
self->flutter_cleanup_context != EGL_NO_CONTEXT && eglBindAPI(EGL_OPENGL_ES_API) &&
eglMakeCurrent(self->flutter_display, EGL_NO_SURFACE, EGL_NO_SURFACE, self->flutter_cleanup_context);
if (flutter_current || cleanup_current) {
glDeleteTextures(1, &resources->flutter_texture);
resources->flutter_texture = 0;
} else {
g_warning("MPV texture: failed to activate Flutter cleanup context: 0x%x", eglGetError());
}
if (cleanup_current) {
RestoreOrReleaseContext(
flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, self->flutter_display);
}
}
if (w <= 0 || h <= 0) {
if (resources->mpv_fbo || resources->mpv_texture) {
const bool mpv_current = mpv_display != EGL_NO_DISPLAY && mpv_context != EGL_NO_CONTEXT &&
eglBindAPI(EGL_OPENGL_ES_API) &&
eglMakeCurrent(mpv_display, EGL_NO_SURFACE, EGL_NO_SURFACE, mpv_context);
if (mpv_current) {
if (resources->mpv_fbo) glDeleteFramebuffers(1, &resources->mpv_fbo);
if (resources->mpv_texture) glDeleteTextures(1, &resources->mpv_texture);
resources->mpv_fbo = 0;
resources->mpv_texture = 0;
} else {
g_warning("MPV texture: failed to activate EGL context during cleanup: 0x%x", eglGetError());
}
RestoreOrReleaseContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, mpv_display);
}
}
void CleanupRetired(MpvTexture* self) {
if (!self->retired || self->retired->empty() || !self->player) return;
const EGLDisplay flutter_display = eglGetCurrentDisplay();
const EGLContext flutter_context = eglGetCurrentContext();
const EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
const EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
const EGLenum flutter_api = eglQueryAPI();
for (auto& resources : *self->retired) {
CleanupResourceSet(self, &resources, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
}
auto& retired = *self->retired;
retired.erase(
std::remove_if(
retired.begin(), retired.end(),
[](const TextureResources& resources) { return ResourceSetEmpty(resources); }),
retired.end());
}
bool EnsureTextures(MpvTexture* self, int32_t width, int32_t height, GError** error) {
if (self->active->complete() && self->active->width == width && self->active->height == height) return true;
const EGLDisplay flutter_display = eglGetCurrentDisplay();
const EGLContext flutter_context = eglGetCurrentContext();
const EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
const EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
const EGLenum flutter_api = eglQueryAPI();
const EGLDisplay mpv_display = self->player->GetEglDisplay();
const EGLContext mpv_context = self->player->GetEglContext();
if (flutter_display == EGL_NO_DISPLAY || flutter_context == EGL_NO_CONTEXT || mpv_display == EGL_NO_DISPLAY ||
mpv_context == EGL_NO_CONTEXT) {
return SetError(error, "Video EGL contexts are unavailable");
}
if (!EnsureFlutterCleanupContext(self, flutter_display, flutter_context, flutter_api, error)) return false;
if (!*self->image_dispatch) {
std::string dispatch_error;
if (!mpv::ResolveGpuImageDispatch(flutter_display, self->image_dispatch, &dispatch_error)) {
g_warning("MPV texture: GPU bootstrap rejected: %s", dispatch_error.c_str());
return SetError(error, dispatch_error.c_str());
}
}
TextureResources candidate;
candidate.width = width;
candidate.height = height;
if (!eglBindAPI(EGL_OPENGL_ES_API) || !eglMakeCurrent(mpv_display, EGL_NO_SURFACE, EGL_NO_SURFACE, mpv_context)) {
RestoreOrReleaseContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, mpv_display);
return SetError(error, "Failed to activate video EGL context");
}
ClearGlErrors();
glGenTextures(1, &candidate.mpv_texture);
glBindTexture(GL_TEXTURE_2D, candidate.mpv_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &candidate.mpv_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, candidate.mpv_fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, candidate.mpv_texture, 0);
bool framebuffer_complete = candidate.mpv_texture != 0 && candidate.mpv_fbo != 0 &&
glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE &&
glGetError() == GL_NO_ERROR;
if (framebuffer_complete) {
candidate.egl_image = self->image_dispatch->Create(
mpv_display, mpv_context, reinterpret_cast<EGLClientBuffer>(static_cast<uintptr_t>(candidate.mpv_texture)));
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glFlush();
framebuffer_complete = framebuffer_complete && glGetError() == GL_NO_ERROR;
if (!RestoreContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, error)) {
CleanupResourceSet(self, &candidate, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
RetireIncompleteCandidate(self, candidate);
return false;
}
if (!framebuffer_complete || candidate.egl_image == EGL_NO_IMAGE_KHR) {
CleanupResourceSet(self, &candidate, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
RetireIncompleteCandidate(self, candidate);
return SetError(error, "Failed to create a complete video framebuffer");
}
ClearGlErrors();
glGenTextures(1, &candidate.flutter_texture);
glBindTexture(GL_TEXTURE_2D, candidate.flutter_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
self->image_dispatch->image_target_texture(GL_TEXTURE_2D, reinterpret_cast<GLeglImageOES>(candidate.egl_image));
const bool flutter_texture_complete = candidate.flutter_texture != 0 && glGetError() == GL_NO_ERROR;
glBindTexture(GL_TEXTURE_2D, 0);
if (!flutter_texture_complete) {
CleanupResourceSet(self, &candidate, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
RetireIncompleteCandidate(self, candidate);
return SetError(error, "Failed to bind the shared video image");
}
if (self->active->complete()) self->retired->push_back(*self->active);
*self->active = candidate;
CleanupRetired(self);
return true;
}
static gboolean MpvTexturePopulate(
FlTextureGL* texture, uint32_t* target, uint32_t* name, uint32_t* width, uint32_t* height, GError** error) {
MpvTexture* self = MPV_TEXTURE(texture);
g_mutex_lock(&self->mutex);
if (self->disposed || !self->player) {
g_object_ref(self);
g_mutex_unlock(&self->mutex);
SignalBootstrap(self, FALSE, "Video texture was disposed");
g_object_unref(self);
return SetError(error, "Video texture was disposed");
}
if (!self->player->HasRenderContext() && !self->player->InitRenderContext()) {
g_mutex_unlock(&self->mutex);
return SetError(error, "Failed to create video render context");
}
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(self->view), &allocation);
const int scale = gtk_widget_get_scale_factor(GTK_WIDGET(self->view));
const int32_t requested_width = allocation.width * scale;
const int32_t requested_height = allocation.height * scale;
if (requested_width <= 0 || requested_height <= 0) {
g_mutex_unlock(&self->mutex);
return SetError(error, "Video surface has no drawable size");
}
// GL/EGL failures during the first populate are not terminal. Flutter may
// call populate again while waitForVideoReady owns the bounded deadline.
if (!EnsureTextures(self, requested_width, requested_height, error)) {
g_mutex_unlock(&self->mutex);
return FALSE;
}
ensure_textures(self, w, h);
const EGLDisplay flutter_display = eglGetCurrentDisplay();
const EGLContext flutter_context = eglGetCurrentContext();
const EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
const EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
const EGLenum flutter_api = eglQueryAPI();
const EGLDisplay mpv_display = self->player->GetEglDisplay();
const EGLContext mpv_context = self->player->GetEglContext();
if (!eglBindAPI(EGL_OPENGL_ES_API) || !eglMakeCurrent(mpv_display, EGL_NO_SURFACE, EGL_NO_SURFACE, mpv_context)) {
RestoreOrReleaseContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, mpv_display);
g_mutex_unlock(&self->mutex);
return SetError(error, "Failed to activate video EGL context");
}
// Save Flutter's current EGL state
EGLDisplay flutter_display = eglGetCurrentDisplay();
EGLContext flutter_context = eglGetCurrentContext();
EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
// Switch to mpv's isolated context for rendering
EGLDisplay egl_display = self->player->GetEglDisplay();
EGLContext egl_context = self->player->GetEglContext();
eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context);
// Render mpv into its FBO
glBindFramebuffer(GL_FRAMEBUFFER, self->mpv_fbo);
ClearGlErrors();
glBindFramebuffer(GL_FRAMEBUFFER, self->active->mpv_fbo);
self->player->ClearRedrawFlag();
self->player->Render(w, h, static_cast<int>(self->mpv_fbo));
self->player->Render(requested_width, requested_height, static_cast<int>(self->active->mpv_fbo));
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glFlush();
// Restore Flutter's context
eglMakeCurrent(flutter_display, flutter_draw, flutter_read, flutter_context);
const bool render_succeeded = glGetError() == GL_NO_ERROR;
if (!RestoreContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, error)) {
RestoreOrReleaseContext(flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api, mpv_display);
g_mutex_unlock(&self->mutex);
return FALSE;
}
if (!render_succeeded) {
g_mutex_unlock(&self->mutex);
return SetError(error, "Video render operation failed");
}
*target = GL_TEXTURE_2D;
*name = self->flutter_texture;
*width = static_cast<uint32_t>(w);
*height = static_cast<uint32_t>(h);
*name = self->active->flutter_texture;
*width = static_cast<uint32_t>(requested_width);
*height = static_cast<uint32_t>(requested_height);
g_object_ref(self);
g_mutex_unlock(&self->mutex);
SignalBootstrap(self, TRUE, nullptr);
g_object_unref(self);
return TRUE;
}
static void MpvTextureFinalize(GObject* object) {
MpvTexture* self = MPV_TEXTURE(object);
if (self->ready_destroy_notify && self->ready_user_data) {
self->ready_destroy_notify(self->ready_user_data);
}
g_free(self->bootstrap_error);
delete self->active;
delete self->retired;
delete self->image_dispatch;
g_mutex_clear(&self->bootstrap_mutex);
g_mutex_clear(&self->mutex);
G_OBJECT_CLASS(mpv_texture_parent_class)->finalize(object);
}
} // namespace
static void mpv_texture_class_init(MpvTextureClass* klass) {
FL_TEXTURE_GL_CLASS(klass)->populate = mpv_texture_populate;
FL_TEXTURE_GL_CLASS(klass)->populate = MpvTexturePopulate;
G_OBJECT_CLASS(klass)->finalize = MpvTextureFinalize;
}
static void mpv_texture_init(MpvTexture* self) {
self->player = nullptr;
self->registrar = nullptr;
self->view = nullptr;
self->mpv_fbo = 0;
self->mpv_texture = 0;
self->flutter_texture = 0;
self->egl_image = EGL_NO_IMAGE_KHR;
self->width = 0;
self->height = 0;
g_mutex_init(&self->mutex);
self->disposed = false;
self->active = new TextureResources();
self->retired = new std::vector<TextureResources>();
self->image_dispatch = new mpv::GpuImageDispatch();
self->flutter_display = EGL_NO_DISPLAY;
self->flutter_share_context = EGL_NO_CONTEXT;
self->flutter_cleanup_context = EGL_NO_CONTEXT;
g_mutex_init(&self->bootstrap_mutex);
self->bootstrap_state = 0;
self->bootstrap_error = nullptr;
self->ready_callback = nullptr;
self->ready_user_data = nullptr;
self->ready_destroy_notify = nullptr;
}
MpvTexture* mpv_texture_new(mpv::MpvPlayer* player, FlTextureRegistrar* registrar, FlView* view) {
init_egl_image_extensions();
MpvTexture* self = MPV_TEXTURE(g_object_new(MPV_TEXTURE_TYPE, nullptr));
self->player = player;
self->registrar = registrar;
@@ -203,59 +471,70 @@ MpvTexture* mpv_texture_new(mpv::MpvPlayer* player, FlTextureRegistrar* registra
return self;
}
void mpv_texture_set_ready_callback(
MpvTexture* self, MpvTextureReadyCallback callback, gpointer user_data, GDestroyNotify destroy_notify) {
gboolean success = FALSE;
const gchar* message = nullptr;
bool complete = false;
g_mutex_lock(&self->bootstrap_mutex);
self->ready_callback = callback;
self->ready_user_data = user_data;
self->ready_destroy_notify = destroy_notify;
if (self->bootstrap_state != 0) {
complete = true;
success = self->bootstrap_state == 1;
message = self->bootstrap_error;
}
g_mutex_unlock(&self->bootstrap_mutex);
if (complete && callback) callback(success, message, user_data);
}
void mpv_texture_mark_frame_available(MpvTexture* self) {
if (self && self->registrar) {
fl_texture_registrar_mark_texture_frame_available(self->registrar, FL_TEXTURE(self));
if (!self) return;
g_mutex_lock(&self->mutex);
FlTextureRegistrar* registrar = self->disposed ? nullptr : self->registrar;
g_mutex_unlock(&self->mutex);
if (registrar) {
fl_texture_registrar_mark_texture_frame_available(registrar, FL_TEXTURE(self));
}
}
void mpv_texture_dispose(MpvTexture* self) {
if (!self) return;
EGLDisplay egl_display = EGL_NO_DISPLAY;
EGLContext egl_context = EGL_NO_CONTEXT;
g_mutex_lock(&self->mutex);
if (self->disposed) {
g_mutex_unlock(&self->mutex);
return;
}
self->disposed = true;
SignalBootstrap(self, FALSE, "Video initialization was cancelled");
if (self->player) {
egl_display = self->player->GetEglDisplay();
egl_context = self->player->GetEglContext();
}
// Clean up Flutter's texture (in Flutter's current context)
if (self->flutter_texture != 0) {
glDeleteTextures(1, &self->flutter_texture);
self->flutter_texture = 0;
}
// Clean up EGLImage
if (self->egl_image != EGL_NO_IMAGE_KHR && egl_display != EGL_NO_DISPLAY) {
_eglDestroyImageKHR(egl_display, self->egl_image);
self->egl_image = EGL_NO_IMAGE_KHR;
}
// Clean up mpv's GL resources in mpv's context
if (egl_context != EGL_NO_CONTEXT) {
EGLDisplay cur_display = eglGetCurrentDisplay();
EGLContext cur_context = eglGetCurrentContext();
EGLSurface cur_draw = eglGetCurrentSurface(EGL_DRAW);
EGLSurface cur_read = eglGetCurrentSurface(EGL_READ);
eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context);
if (self->mpv_texture != 0) {
glDeleteTextures(1, &self->mpv_texture);
self->mpv_texture = 0;
const EGLDisplay flutter_display = eglGetCurrentDisplay();
const EGLContext flutter_context = eglGetCurrentContext();
const EGLSurface flutter_draw = eglGetCurrentSurface(EGL_DRAW);
const EGLSurface flutter_read = eglGetCurrentSurface(EGL_READ);
const EGLenum flutter_api = eglQueryAPI();
CleanupResourceSet(self, self->active, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
for (auto& resources : *self->retired) {
CleanupResourceSet(self, &resources, flutter_display, flutter_draw, flutter_read, flutter_context, flutter_api);
}
if (self->mpv_fbo != 0) {
glDeleteFramebuffers(1, &self->mpv_fbo);
self->mpv_fbo = 0;
DestroyFlutterCleanupContext(self);
const auto leaked_sets =
static_cast<size_t>(!ResourceSetEmpty(*self->active)) +
static_cast<size_t>(std::count_if(self->retired->begin(), self->retired->end(), [](const auto& resources) {
return !ResourceSetEmpty(resources);
}));
if (leaked_sets != 0) {
g_warning("MPV texture: %zu resource set(s) could not be released before disposal", leaked_sets);
}
eglMakeCurrent(cur_display, cur_draw, cur_read, cur_context);
}
*self->active = TextureResources{};
self->retired->clear();
self->player = nullptr;
self->registrar = nullptr;
self->view = nullptr;
g_mutex_unlock(&self->mutex);
}
int64_t mpv_texture_get_id(MpvTexture* self) { return fl_texture_get_id(FL_TEXTURE(self)); }
+6
View File
@@ -14,6 +14,12 @@ G_DECLARE_FINAL_TYPE(MpvTexture, mpv_texture, MPV, TEXTURE, FlTextureGL)
/// Creates a new MpvTexture that renders mpv video to an offscreen FBO.
MpvTexture* mpv_texture_new(mpv::MpvPlayer* player, FlTextureRegistrar* registrar, FlView* view);
typedef void (*MpvTextureReadyCallback)(gboolean success, const gchar* error_message, gpointer user_data);
/// Installs the one-shot video bootstrap result callback.
void mpv_texture_set_ready_callback(
MpvTexture* self, MpvTextureReadyCallback callback, gpointer user_data, GDestroyNotify destroy_notify);
/// Notifies Flutter that a new frame is available.
void mpv_texture_mark_frame_available(MpvTexture* self);