plugins: Move AMF encoders from obs-ffmpeg as a separate plugin

plugins/CMakeLists.txt

@@ -36,6 +36,7 @@ add_obs_plugin(
     PLATFORMS WINDOWS MACOS LINUX
     WITH_MESSAGE
 )
+add_obs_plugin(obs-amf PLATFORMS WINDOWS)
 add_obs_plugin(coreaudio-encoder PLATFORMS WINDOWS MACOS)
 add_obs_plugin(
     decklink

plugins/obs-amf/CMakeLists.txt

@@ -0,0 +1,31 @@
+cmake_minimum_required(VERSION 3.28...3.30)
+
+option(ENABLE_AMF "Build AMD Radeon Hardware Encoder Plugin" ON)
+
+if(NOT ENABLE_AMF)
+  target_disable_feature(obs-amf "AMD Radeon Hardware Encoder")
+  target_disable(obs-amf)
+  return()
+endif()
+
+if(NOT TARGET OBS::opts-parser)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/opts-parser" "${CMAKE_BINARY_DIR}/shared/opts-parser")
+endif()
+
+find_package(AMF 1.4.29 REQUIRED)
+
+add_library(obs-amf MODULE)
+add_library(OBS::amf ALIAS obs-amf)
+
+add_subdirectory(obs-amf-test)
+
+target_sources(obs-amf PRIVATE obs-amf.c texture-amf-opts.hpp texture-amf.cpp)
+
+target_link_libraries(obs-amf PRIVATE OBS::libobs OBS::opts-parser AMF::AMF)
+
+if(OS_WINDOWS)
+  configure_file(cmake/windows/obs-module.rc.in obs-amf.rc)
+  target_sources(obs-amf PRIVATE obs-amf.rc)
+endif()
+
+set_target_properties_obs(obs-amf PROPERTIES FOLDER plugins/obs-amf PREFIX "")

plugins/obs-amf/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS AMF module"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "obs-amf"
+      VALUE "OriginalFilename", "obs-amf"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END

plugins/obs-amf/data/locale/en-US.ini

@@ -0,0 +1,21 @@
+Bitrate="Bitrate"
+Preset="Preset"
+Profile="Profile"
+RateControl="Rate Control"
+KeyframeIntervalSec="Keyframe Interval (0=auto)"
+
+AMFOpts="AMF/FFmpeg Options"
+AMFOpts.ToolTip="Use to specify custom AMF or FFmpeg options. For example, \"level=5.2 profile=main\". Check the AMF encoder docs for more details."
+
+BFrames="Max B-frames"
+
+NVENC.CQLevel="CQ Level"
+
+AMF.Preset.speed="Speed"
+AMF.Preset.balanced="Balanced"
+AMF.Preset.quality="Quality"
+AMF.Preset.highQuality="High Quality"
+
+AMF.8bitUnsupportedHdr="OBS does not support 8-bit output of Rec. 2100."
+AMF.10bitUnsupportedAvc="Cannot perform 10-bit encode on AMD H.264 encoder."
+AMF.16bitUnsupported="Cannot perform 16-bit encode on this encoder."

plugins/obs-amf/obs-amf.c

@@ -0,0 +1,24 @@
+#include <obs-module.h>
+
+extern void amf_load(void);
+extern void amf_unload(void);
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("obs-amf", "en-US")
+
+MODULE_EXPORT const char *obs_module_description(void)
+{
+	return "AMD Radeon Encoder (AMF) Plugin";
+}
+
+bool obs_module_load(void)
+{
+	amf_load();
+
+	return true;
+}
+
+void obs_module_unload(void)
+{
+	amf_unload();
+}

plugins/obs-ffmpeg/CMakeLists.txt

@@ -26,8 +26,6 @@ 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:Windows>:texture-amf-opts.hpp>
-    $<$<PLATFORM_ID:Windows>:texture-amf.cpp>
     obs-ffmpeg-audio-encoders.c
     obs-ffmpeg-av1.c
     obs-ffmpeg-compat.h
@@ -65,7 +63,6 @@ target_link_libraries(
     FFmpeg::swscale
     FFmpeg::swresample
     $<$<PLATFORM_ID:Windows>:OBS::w32-pthreads>
-    $<$<PLATFORM_ID:Windows>:AMF::AMF>
     $<$<PLATFORM_ID:Windows>:ws2_32>
     $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:Libva::va>
     $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:Libva::drm>

plugins/obs-ffmpeg/cmake/dependencies.cmake

@@ -12,10 +12,7 @@ if(NOT TARGET OBS::opts-parser)
   add_subdirectory("${CMAKE_SOURCE_DIR}/shared/opts-parser" "${CMAKE_BINARY_DIR}/shared/opts-parser")
 endif()
 
-if(OS_WINDOWS)
-  find_package(AMF 1.4.29 REQUIRED)
-  add_subdirectory(obs-amf-test)
-elseif(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
+if(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
   find_package(Libva REQUIRED)
   find_package(Libpci REQUIRED)
   find_package(Libdrm REQUIRED)

plugins/obs-ffmpeg/obs-ffmpeg.c

@@ -322,11 +322,6 @@ static bool hevc_vaapi_supported(void)
 #endif
 #endif
 
-#ifdef _WIN32
-extern void amf_load(void);
-extern void amf_unload(void);
-#endif
-
 #if ENABLE_FFMPEG_LOGGING
 extern void obs_ffmpeg_load_logging(void);
 extern void obs_ffmpeg_unload_logging(void);
@@ -372,10 +367,6 @@ bool obs_module_load(void)
 	}
 #endif
 
-#ifdef _WIN32
-	amf_load();
-#endif
-
 #ifdef LIBAVUTIL_VAAPI_AVAILABLE
 	const char *libva_env = getenv("LIBVA_DRIVER_NAME");
 	if (!!libva_env)
@@ -420,8 +411,4 @@ void obs_module_unload(void)
 #if ENABLE_FFMPEG_LOGGING
 	obs_ffmpeg_unload_logging();
 #endif
-
-#ifdef _WIN32
-	amf_unload();
-#endif
 }