obs-amf-patch.patch

diff --git a/plugins/obs-ffmpeg/CMakeLists.txt b/plugins/obs-ffmpeg/CMakeLists.txt
index 77c5ad8e4..d1597bb4d 100644
--- a/plugins/obs-ffmpeg/CMakeLists.txt
+++ b/plugins/obs-ffmpeg/CMakeLists.txt
@@ -23,6 +23,7 @@ target_sources(
           $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:obs-ffmpeg-vaapi.c>
           $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:vaapi-utils.c>
           $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:vaapi-utils.h>
+          $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:texture-amf.cpp>
           $<$<PLATFORM_ID:Windows>:obs-nvenc-helpers.c>
           $<$<PLATFORM_ID:Windows>:obs-nvenc.c>
           $<$<PLATFORM_ID:Windows>:obs-nvenc.h>
@@ -74,6 +75,10 @@ if(OS_WINDOWS)
   target_sources(obs-ffmpeg PRIVATE obs-ffmpeg.rc)
 endif()
 
+if(OS_LINUX OR OS_FREEBSD)
+add_subdirectory(obs-amf-test)
+endif()
+
 # cmake-format: off
 set_target_properties_obs(obs-ffmpeg PROPERTIES FOLDER plugins/obs-ffmpeg PREFIX "")
 # cmake-format: on
diff --git a/plugins/obs-ffmpeg/cmake/legacy.cmake b/plugins/obs-ffmpeg/cmake/legacy.cmake
index cf92a9ea5..8bf356f78 100644
--- a/plugins/obs-ffmpeg/cmake/legacy.cmake
+++ b/plugins/obs-ffmpeg/cmake/legacy.cmake
@@ -110,7 +110,7 @@ if(OS_WINDOWS)
 elseif(OS_POSIX AND NOT OS_MACOS)
   find_package(Libva REQUIRED)
   find_package(Libpci REQUIRED)
-  target_sources(obs-ffmpeg PRIVATE obs-ffmpeg-vaapi.c vaapi-utils.c vaapi-utils.h)
+  target_sources(obs-ffmpeg PRIVATE obs-ffmpeg-vaapi.c vaapi-utils.c vaapi-utils.h texture-amf.cpp)
   target_link_libraries(obs-ffmpeg PRIVATE Libva::va Libva::drm LIBPCI::LIBPCI)
 endif()
 
diff --git a/plugins/obs-ffmpeg/obs-amf-test/CMakeLists.txt b/plugins/obs-ffmpeg/obs-amf-test/CMakeLists.txt
index 6221c69df..93f1ee7d5 100644
--- a/plugins/obs-ffmpeg/obs-amf-test/CMakeLists.txt
+++ b/plugins/obs-ffmpeg/obs-amf-test/CMakeLists.txt
@@ -7,8 +7,14 @@ find_package(AMF 1.4.29 REQUIRED)
 add_executable(obs-amf-test)
 add_executable(OBS::amf-test ALIAS obs-amf-test)
 
-target_sources(obs-amf-test PRIVATE obs-amf-test.cpp)
-target_link_libraries(obs-amf-test PRIVATE OBS::COMutils AMF::AMF d3d11 dxgi dxguid)
+if(OS_WINDOWS)
+  target_sources(obs-amf-test PRIVATE obs-amf-test.cpp)
+  target_link_libraries(obs-amf-test PRIVATE OBS::COMutils AMF::AMF d3d11 dxgi dxguid)
+elseif(OS_POSIX AND NOT OS_MACOS)
+  find_package(Vulkan REQUIRED)
+  target_sources(obs-amf-test PRIVATE obs-amf-test-linux.cpp)
+  target_link_libraries(obs-amf-test dl Vulkan::Vulkan AMF::AMF)
+endif()
 
 # cmake-format: off
 set_target_properties_obs(obs-amf-test PROPERTIES FOLDER plugins/obs-ffmpeg)
diff --git a/plugins/obs-ffmpeg/obs-amf-test/cmake/legacy.cmake b/plugins/obs-ffmpeg/obs-amf-test/cmake/legacy.cmake
index e00cef1cf..07cf1e0fc 100644
--- a/plugins/obs-ffmpeg/obs-amf-test/cmake/legacy.cmake
+++ b/plugins/obs-ffmpeg/obs-amf-test/cmake/legacy.cmake
@@ -6,8 +6,14 @@ find_package(AMF 1.4.29 REQUIRED)
 
 target_include_directories(obs-amf-test PRIVATE ${CMAKE_SOURCE_DIR}/libobs)
 
-target_sources(obs-amf-test PRIVATE obs-amf-test.cpp)
-target_link_libraries(obs-amf-test d3d11 dxgi dxguid AMF::AMF)
+if(OS_WINDOWS)
+  target_sources(obs-amf-test PRIVATE obs-amf-test.cpp)
+  target_link_libraries(obs-amf-test d3d11 dxgi dxguid AMF::AMF)
+elseif(OS_POSIX AND NOT OS_MACOS)
+  find_package(Vulkan REQUIRED)
+  target_sources(obs-amf-test PRIVATE obs-amf-test-linux.cpp)
+  target_link_libraries(obs-amf-test dl Vulkan::Vulkan AMF::AMF)
+endif()
 
 set_target_properties(obs-amf-test PROPERTIES FOLDER "plugins/obs-ffmpeg")

diff --git a/plugins/obs-ffmpeg/obs-amf-test/obs-amf-test-linux.cpp b/plugins/obs-ffmpeg/obs-amf-test/obs-amf-test-linux.cpp
new file mode 100644
index 000000000..db437d851
--- /dev/null
+++ b/plugins/obs-ffmpeg/obs-amf-test/obs-amf-test-linux.cpp
@@ -0,0 +1,140 @@
+#include <AMF/core/Factory.h>
+#include <AMF/core/Trace.h>
+#include <AMF/components/VideoEncoderVCE.h>
+#include <AMF/components/VideoEncoderHEVC.h>
+#include <AMF/components/VideoEncoderAV1.h>
+
+#include <dlfcn.h>
+#include <vulkan/vulkan.hpp>
+
+#include <string>
+#include <map>
+
+using namespace amf;
+
+struct adapter_caps {
+	bool is_amd = false;
+	bool supports_avc = false;
+	bool supports_hevc = false;
+	bool supports_av1 = false;
+};
+
+static AMFFactory *amf_factory = nullptr;
+static std::map<uint32_t, adapter_caps> adapter_info;
+
+static bool has_encoder(AMFContextPtr &amf_context, const wchar_t *encoder_name)
+{
+	AMFComponentPtr encoder;
+	AMF_RESULT res = amf_factory->CreateComponent(amf_context, encoder_name,
+						      &encoder);
+	return res == AMF_OK;
+}
+
+static bool get_adapter_caps(uint32_t adapter_idx)
+{
+	if (adapter_idx)
+		return false;
+
+	adapter_caps &caps = adapter_info[adapter_idx];
+
+	AMF_RESULT res;
+	AMFContextPtr amf_context;
+	res = amf_factory->CreateContext(&amf_context);
+	if (res != AMF_OK)
+		return true;
+
+	AMFContext1 *context1 = NULL;
+	res = amf_context->QueryInterface(AMFContext1::IID(),
+					  (void **)&context1);
+	if (res != AMF_OK)
+		return false;
+	res = context1->InitVulkan(nullptr);
+	context1->Release();
+	if (res != AMF_OK)
+		return false;
+
+	caps.is_amd = true;
+	caps.supports_avc = has_encoder(amf_context, AMFVideoEncoderVCE_AVC);
+	caps.supports_hevc = has_encoder(amf_context, AMFVideoEncoder_HEVC);
+	caps.supports_av1 = has_encoder(amf_context, AMFVideoEncoder_AV1);
+
+	return true;
+}
+
+int main(void)
+try {
+	AMF_RESULT res;
+	VkResult vkres;
+
+	VkApplicationInfo app_info = {};
+	app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+	app_info.pApplicationName = "obs-amf-test";
+	app_info.apiVersion = VK_API_VERSION_1_2;
+
+	VkInstanceCreateInfo info = {};
+	info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+	info.pApplicationInfo = &app_info;
+
+	VkInstance instance;
+	vkres = vkCreateInstance(&info, nullptr, &instance);
+	if (vkres != VK_SUCCESS)
+		throw "Failed to initialize Vulkan";
+
+	uint32_t device_count;
+	vkres = vkEnumeratePhysicalDevices(instance, &device_count, nullptr);
+	if (vkres != VK_SUCCESS || !device_count)
+		throw "Failed to enumerate Vulkan devices";
+
+	VkPhysicalDevice *devices = new VkPhysicalDevice[device_count];
+	vkres = vkEnumeratePhysicalDevices(instance, &device_count, devices);
+	if (vkres != VK_SUCCESS)
+		throw "Failed to enumerate Vulkan devices";
+
+	VkPhysicalDeviceDriverProperties driver_props = {};
+	driver_props.sType =
+		VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES;
+	VkPhysicalDeviceProperties2 device_props = {};
+	device_props.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
+	device_props.pNext = &driver_props;
+	vkGetPhysicalDeviceProperties2(devices[0], &device_props);
+
+	// if (strcmp(driver_props.driverName, "AMD proprietary driver"))
+		// throw "Not running AMD proprietary driver";
+
+	vkDestroyInstance(instance, nullptr);
+
+	/* --------------------------------------------------------- */
+	/* try initializing amf, I guess                             */
+
+	void *amf_module = dlopen(AMF_DLL_NAMEA, RTLD_LAZY);
+	if (!amf_module)
+		throw "Failed to load AMF lib";
+
+	auto init = (AMFInit_Fn)dlsym(amf_module, AMF_INIT_FUNCTION_NAME);
+	if (!init)
+		throw "Failed to get init func";
+
+	res = init(AMF_FULL_VERSION, &amf_factory);
+	if (res != AMF_OK)
+		throw "AMFInit failed";
+
+	uint32_t idx = 0;
+	while (get_adapter_caps(idx++))
+		;
+
+	for (auto &[idx, caps] : adapter_info) {
+		printf("[%u]\n", idx);
+		printf("is_amd=%s\n", caps.is_amd ? "true" : "false");
+		printf("supports_avc=%s\n",
+		       caps.supports_avc ? "true" : "false");
+		printf("supports_hevc=%s\n",
+		       caps.supports_hevc ? "true" : "false");
+		printf("supports_av1=%s\n",
+		       caps.supports_av1 ? "true" : "false");
+	}
+
+	return 0;
+} catch (const char *text) {
+	printf("[error]\nstring=%s\n", text);
+	return 0;
+}

diff --git a/plugins/obs-ffmpeg/obs-ffmpeg.c b/plugins/obs-ffmpeg/obs-ffmpeg.c
index bca4ca115..75863c6c9 100644
--- a/plugins/obs-ffmpeg/obs-ffmpeg.c
+++ b/plugins/obs-ffmpeg/obs-ffmpeg.c
@@ -339,6 +339,9 @@ static bool hevc_vaapi_supported(void)
 #ifdef _WIN32
 extern void obs_nvenc_load(bool h264, bool hevc, bool av1);
 extern void obs_nvenc_unload(void);
+#endif
+
+#if defined(_WIN32) || defined(__linux__)
 extern void amf_load(void);
 extern void amf_unload(void);
 #endif
@@ -392,7 +395,7 @@ bool obs_module_load(void)
 #endif
 	}
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__linux__)
 	amf_load();
 #endif
 
@@ -440,8 +443,11 @@ void obs_module_unload(void)
 	obs_ffmpeg_unload_logging();
 #endif
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__linux__)
 	amf_unload();
+#endif
+
+#ifdef _WIN32
 	obs_nvenc_unload();
 #endif
 }
diff --git a/plugins/obs-ffmpeg/texture-amf-opts.hpp b/plugins/obs-ffmpeg/texture-amf-opts.hpp
index b1c37d200..d28e3f77e 100644
--- a/plugins/obs-ffmpeg/texture-amf-opts.hpp
+++ b/plugins/obs-ffmpeg/texture-amf-opts.hpp
@@ -321,7 +321,7 @@ static void amf_apply_opt(amf_base *enc, obs_option *opt)
 			val = atoi(opt->value);
 		}
 
-		os_utf8_to_wcs(opt->name, 0, wname, _countof(wname));
+		os_utf8_to_wcs(opt->name, 0, wname, amf_countof(wname));
 		if (is_bool) {
 			bool bool_val = (bool)val;
 			set_amf_property(enc, wname, bool_val);
diff --git a/plugins/obs-ffmpeg/texture-amf.cpp b/plugins/obs-ffmpeg/texture-amf.cpp
index 7f45a8cc9..2c0b44c4e 100644
--- a/plugins/obs-ffmpeg/texture-amf.cpp
+++ b/plugins/obs-ffmpeg/texture-amf.cpp
@@ -11,6 +11,7 @@
 #include <mutex>
 #include <deque>
 #include <map>
+#include <inttypes.h>

 #include <AMF/components/VideoEncoderHEVC.h>
 #include <AMF/components/VideoEncoderVCE.h>
@@ -18,6 +19,7 @@
 #include <AMF/core/Factory.h>
 #include <AMF/core/Trace.h>

+#ifdef _WIN32
 #include <dxgi.h>
 #include <d3d11.h>
 #include <d3d11_1.h>
@@ -25,6 +27,8 @@
 #include <util/windows/device-enum.h>
 #include <util/windows/HRError.hpp>
 #include <util/windows/ComPtr.hpp>
+#endif
+
 #include <util/platform.h>
 #include <util/util.hpp>
 #include <util/pipe.h>
@@ -55,8 +59,10 @@ struct amf_error {

 struct handle_tex {
 	uint32_t handle;
+#ifdef _WIN32
 	ComPtr<ID3D11Texture2D> tex;
 	ComPtr<IDXGIKeyedMutex> km;
+#endif
 };

 struct adapter_caps {
@@ -72,7 +78,7 @@ static std::map<uint32_t, adapter_caps> caps;
 static bool h264_supported = false;
 static AMFFactory *amf_factory = nullptr;
 static AMFTrace *amf_trace = nullptr;
-static HMODULE amf_module = nullptr;
+static void *amf_module = nullptr;
 static uint64_t amf_version = 0;

 /* ========================================================================= */
@@ -121,9 +127,11 @@ struct amf_base {
 	virtual void init() = 0;
 };

-using d3dtex_t = ComPtr<ID3D11Texture2D>;
 using buf_t = std::vector<uint8_t>;

+#ifdef _WIN32
+using d3dtex_t = ComPtr<ID3D11Texture2D>;
+
 struct amf_texencode : amf_base, public AMFSurfaceObserver {
 	volatile bool destroying = false;

@@ -160,6 +168,7 @@ struct amf_texencode : amf_base, public AMFSurfaceObserver {
 			throw amf_error("InitDX11 failed", res);
 	}
 };
+#endif

 struct amf_fallback : amf_base, public AMFSurfaceObserver {
 	volatile bool destroying = false;
@@ -187,9 +196,21 @@ struct amf_fallback : amf_base, public AMFSurfaceObserver {

 	void init() override
 	{
+#if defined(_WIN32)
 		AMF_RESULT res = amf_context->InitDX11(nullptr, AMF_DX11_1);
 		if (res != AMF_OK)
 			throw amf_error("InitDX11 failed", res);
+#elif defined(__linux__)
+		AMFContext1 *context1 = NULL;
+		AMF_RESULT res = amf_context->QueryInterface(
+			AMFContext1::IID(), (void **)&context1);
+		if (res != AMF_OK)
+			throw amf_error("CreateContext1 failed", res);
+		res = context1->InitVulkan(nullptr);
+		context1->Release();
+		if (res != AMF_OK)
+			throw amf_error("InitVulkan failed", res);
+#endif
 	}
 };

@@ -231,13 +252,18 @@ static void set_amf_property(amf_base *enc, const wchar_t *name, const T &value)
 	 : (enc->codec == amf_codec_type::HEVC)                         \
 		 ? AMF_VIDEO_ENCODER_HEVC_##name                        \
 		 : AMF_VIDEO_ENCODER_AV1_##name)
+#define get_opt_name_enum(name)                                              \
+	((enc->codec == amf_codec_type::AVC) ? (int)AMF_VIDEO_ENCODER_##name \
+	 : (enc->codec == amf_codec_type::HEVC)                         \
+		 ? (int)AMF_VIDEO_ENCODER_HEVC_##name                        \
+		 : (int)AMF_VIDEO_ENCODER_AV1_##name)
 #define set_opt(name, value) set_amf_property(enc, get_opt_name(name), value)
 #define get_opt(name, value) get_amf_property(enc, get_opt_name(name), value)
 #define set_avc_opt(name, value) set_avc_property(enc, name, value)
 #define set_hevc_opt(name, value) set_hevc_property(enc, name, value)
 #define set_av1_opt(name, value) set_av1_property(enc, name, value)
 #define set_enum_opt(name, value) \
-	set_amf_property(enc, get_opt_name(name), get_opt_name(name##_##value))
+	set_amf_property(enc, get_opt_name(name), get_opt_name_enum(name##_##value))
 #define set_avc_enum(name, value) \
 	set_avc_property(enc, name, AMF_VIDEO_ENCODER_##name##_##value)
 #define set_hevc_enum(name, value) \
@@ -248,6 +274,7 @@ static void set_amf_property(amf_base *enc, const wchar_t *name, const T &value)
 /* ------------------------------------------------------------------------- */
 /* Implementation                                                            */

+#ifdef _WIN32
 static HMODULE get_lib(const char *lib)
 {
 	HMODULE mod = GetModuleHandleA(lib);
@@ -394,6 +421,7 @@ static void get_tex_from_handle(amf_texencode *enc, uint32_t handle,
 	*km_out = km.Detach();
 	*tex_out = tex.Detach();
 }
+#endif

 static constexpr amf_int64 macroblock_size = 16;

@@ -510,7 +538,7 @@ static void convert_to_encoder_packet(amf_base *enc, AMFDataPtr &data,
 	enc->packet_data = AMFBufferPtr(data);
 	data->GetProperty(L"PTS", &packet->pts);

-	const wchar_t *get_output_type;
+	const wchar_t *get_output_type = NULL;
 	switch (enc->codec) {
 	case amf_codec_type::AVC:
 		get_output_type = AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE;
@@ -644,6 +672,7 @@ static void amf_encode_base(amf_base *enc, AMFSurface *amf_surf,
 static bool amf_encode_tex(void *data, uint32_t handle, int64_t pts,
 			   uint64_t lock_key, uint64_t *next_key,
 			   encoder_packet *packet, bool *received_packet)
+#ifdef _WIN32
 try {
 	amf_texencode *enc = (amf_texencode *)data;
 	ID3D11DeviceContext *context = enc->context;
@@ -720,6 +749,18 @@ try {
 	*received_packet = false;
 	return false;
 }
+#else
+{
+	UNUSED_PARAMETER(data);
+	UNUSED_PARAMETER(handle);
+	UNUSED_PARAMETER(pts);
+	UNUSED_PARAMETER(lock_key);
+	UNUSED_PARAMETER(next_key);
+	UNUSED_PARAMETER(packet);
+	UNUSED_PARAMETER(received_packet);
+	return false;
+}
+#endif

 static buf_t alloc_buf(amf_fallback *enc)
 {
@@ -1184,6 +1225,7 @@ static const char *amf_avc_get_name(void *)

 static inline int get_avc_preset(amf_base *enc, const char *preset)
 {
+	UNUSED_PARAMETER(enc);
 	if (astrcmpi(preset, "quality") == 0)
 		return AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY;
 	else if (astrcmpi(preset, "speed") == 0)
@@ -1298,7 +1340,7 @@ static bool amf_avc_init(void *data, obs_data_t *settings)
 		set_avc_property(enc, B_PIC_PATTERN, bf);

 	} else if (bf != 0) {
-		warn("B-Frames set to %lld but b-frames are not "
+		warn("B-Frames set to %" PRId64 " but b-frames are not "
 		     "supported by this device",
 		     bf);
 		bf = 0;
@@ -1343,12 +1385,12 @@ static bool amf_avc_init(void *data, obs_data_t *settings)

 	info("settings:\n"
 	     "\trate_control: %s\n"
-	     "\tbitrate:      %d\n"
-	     "\tcqp:          %d\n"
+	     "\tbitrate:      %" PRId64 "\n"
+	     "\tcqp:          %" PRId64 "\n"
 	     "\tkeyint:       %d\n"
 	     "\tpreset:       %s\n"
 	     "\tprofile:      %s\n"
-	     "\tb-frames:     %d\n"
+	     "\tb-frames:     %" PRId64 "\n"
 	     "\twidth:        %d\n"
 	     "\theight:       %d\n"
 	     "\tparams:       %s",
@@ -1420,6 +1462,7 @@ static void amf_avc_create_internal(amf_base *enc, obs_data_t *settings)

 static void *amf_avc_create_texencode(obs_data_t *settings,
 				      obs_encoder_t *encoder)
+#ifdef _WIN32
 try {
 	check_texture_encode_capability(encoder, amf_codec_type::AVC);

@@ -1442,6 +1485,12 @@ try {
 	blog(LOG_ERROR, "[texture-amf-h264] %s: %s", __FUNCTION__, err);
 	return obs_encoder_create_rerouted(encoder, "h264_fallback_amf");
 }
+#else
+{
+	UNUSED_PARAMETER(settings);
+	return obs_encoder_create_rerouted(encoder, "h264_fallback_amf");
+}
+#endif

 static void *amf_avc_create_fallback(obs_data_t *settings,
 				     obs_encoder_t *encoder)
@@ -1534,6 +1583,7 @@ static const char *amf_hevc_get_name(void *)

 static inline int get_hevc_preset(amf_base *enc, const char *preset)
 {
+	UNUSED_PARAMETER(enc);
 	if (astrcmpi(preset, "balanced") == 0)
 		return AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_BALANCED;
 	else if (astrcmpi(preset, "speed") == 0)
@@ -1657,8 +1707,8 @@ static bool amf_hevc_init(void *data, obs_data_t *settings)

 	info("settings:\n"
 	     "\trate_control: %s\n"
-	     "\tbitrate:      %d\n"
-	     "\tcqp:          %d\n"
+	     "\tbitrate:      %" PRId64 "\n"
+	     "\tcqp:          %" PRId64 "\n"
 	     "\tkeyint:       %d\n"
 	     "\tpreset:       %s\n"
 	     "\tprofile:      %s\n"
@@ -1778,6 +1828,7 @@ static void amf_hevc_create_internal(amf_base *enc, obs_data_t *settings)

 static void *amf_hevc_create_texencode(obs_data_t *settings,
 				       obs_encoder_t *encoder)
+#ifdef _WIN32
 try {
 	check_texture_encode_capability(encoder, amf_codec_type::HEVC);

@@ -1800,6 +1851,12 @@ try {
 	blog(LOG_ERROR, "[texture-amf-h265] %s: %s", __FUNCTION__, err);
 	return obs_encoder_create_rerouted(encoder, "h265_fallback_amf");
 }
+#else
+{
+	UNUSED_PARAMETER(settings);
+	return obs_encoder_create_rerouted(encoder, "h265_fallback_amf");
+}
+#endif

 static void *amf_hevc_create_fallback(obs_data_t *settings,
 				      obs_encoder_t *encoder)
@@ -1888,6 +1945,7 @@ static const char *amf_av1_get_name(void *)

 static inline int get_av1_preset(amf_base *enc, const char *preset)
 {
+	UNUSED_PARAMETER(enc);
 	if (astrcmpi(preset, "highquality") == 0)
 		return AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY;
 	else if (astrcmpi(preset, "quality") == 0)
@@ -2026,8 +2084,8 @@ static bool amf_av1_init(void *data, obs_data_t *settings)

 	info("settings:\n"
 	     "\trate_control: %s\n"
-	     "\tbitrate:      %d\n"
-	     "\tcqp:          %d\n"
+	     "\tbitrate:      %" PRId64 "\n"
+	     "\tcqp:          %" PRId64 "\n"
 	     "\tkeyint:       %d\n"
 	     "\tpreset:       %s\n"
 	     "\tprofile:      %s\n"
@@ -2094,6 +2152,7 @@ static void amf_av1_create_internal(amf_base *enc, obs_data_t *settings)

 static void *amf_av1_create_texencode(obs_data_t *settings,
 				      obs_encoder_t *encoder)
+#ifdef _WIN32
 try {
 	check_texture_encode_capability(encoder, amf_codec_type::AV1);

@@ -2116,6 +2175,12 @@ try {
 	blog(LOG_ERROR, "[texture-amf-av1] %s: %s", __FUNCTION__, err);
 	return obs_encoder_create_rerouted(encoder, "av1_fallback_amf");
 }
+#else
+{
+	UNUSED_PARAMETER(settings);
+	return obs_encoder_create_rerouted(encoder, "av1_fallback_amf");
+}
+#endif

 static void *amf_av1_create_fallback(obs_data_t *settings,
 				     obs_encoder_t *encoder)
@@ -2213,9 +2278,16 @@ static bool enum_luids(void *param, uint32_t idx, uint64_t luid)
 	return true;
 }

+#ifdef _WIN32
+#define OBS_AMF_TEST "obs-amf-test.exe"
+#else
+#define OBS_AMF_TEST "obs-amf-test"
+#endif
+
 extern "C" void amf_load(void)
 try {
 	AMF_RESULT res;
+#ifdef _WIN32
 	HMODULE amf_module_test;

 	/* Check if the DLL is present before running the more expensive */
@@ -2225,18 +2297,26 @@ try {
 	if (!amf_module_test)
 		throw "No AMF library";
 	FreeLibrary(amf_module_test);
+#else
+	void *amf_module_test = os_dlopen(AMF_DLL_NAMEA);
+	if (!amf_module_test)
+		throw "No AMF library";
+	os_dlclose(amf_module_test);
+#endif

 	/* ----------------------------------- */
 	/* Check for supported codecs          */

-	BPtr<char> test_exe = os_get_executable_path_ptr("obs-amf-test.exe");
+	BPtr<char> test_exe = os_get_executable_path_ptr(OBS_AMF_TEST);
 	std::stringstream cmd;
 	std::string caps_str;

 	cmd << '"';
 	cmd << test_exe;
 	cmd << '"';
+#ifdef _WIN32
 	enum_graphics_device_luids(enum_luids, &cmd);
+#endif

 	os_process_pipe_t *pp = os_process_pipe_create(cmd.str().c_str(), "r");
 	if (!pp)
@@ -2296,12 +2376,12 @@ try {
 	/* ----------------------------------- */
 	/* Init AMF                            */

-	amf_module = LoadLibraryW(AMF_DLL_NAME);
+	amf_module = os_dlopen(AMF_DLL_NAMEA);
 	if (!amf_module)
 		throw "AMF library failed to load";

 	AMFInit_Fn init =
-		(AMFInit_Fn)GetProcAddress(amf_module, AMF_INIT_FUNCTION_NAME);
+		(AMFInit_Fn)os_dlsym(amf_module, AMF_INIT_FUNCTION_NAME);
 	if (!init)
 		throw "Failed to get AMFInit address";

@@ -2313,7 +2393,7 @@ try {
 	if (res != AMF_OK)
 		throw amf_error("GetTrace failed", res);

-	AMFQueryVersion_Fn get_ver = (AMFQueryVersion_Fn)GetProcAddress(
+	AMFQueryVersion_Fn get_ver = (AMFQueryVersion_Fn)os_dlsym(
 		amf_module, AMF_QUERY_VERSION_FUNCTION_NAME);
 	if (!get_ver)
 		throw "Failed to get AMFQueryVersion address";
@@ -2352,7 +2432,7 @@ try {
 } catch (const amf_error &err) {
 	/* doing an error here because it means at least the library has loaded
 	 * successfully, so they probably have AMD at this point */
-	blog(LOG_ERROR, "%s: %s: 0x%lX", __FUNCTION__, err.str,
+	blog(LOG_ERROR, "%s: %s: 0x%uX", __FUNCTION__, err.str,
 	     (uint32_t)err.res);
 }