avisynth: Allow compilation on Linux

Co-authored-by: wangqr <wangqr@wangqr.tk>
This commit is contained in:
arch1t3cht 2020-03-06 00:15:07 -05:00
parent e2a49b3313
commit fe285678a3
5 changed files with 47 additions and 12 deletions

View file

@ -220,9 +220,9 @@ foreach dep: [
endif
endforeach
if host_machine.system() == 'windows' and get_option('avisynth').enabled()
if get_option('avisynth').enabled()
conf.set('WITH_AVISYNTH', 1) # bundled separately with installer
deps += cc.find_library('avifil32', required: true)
dep_avail += 'AviSynth'
avs_opt = cmake.subproject_options()
avs_opt.add_cmake_defines({
@ -231,6 +231,10 @@ if host_machine.system() == 'windows' and get_option('avisynth').enabled()
avs = cmake.subproject('avisynth', options: avs_opt)
deps_inc += avs.include_directories('AviSynth-Headers')
if host_machine.system() == 'windows'
deps += cc.find_library('avifil32', required: true)
endif
endif
if host_machine.system() == 'windows' and not get_option('directsound').disabled()

View file

@ -40,10 +40,24 @@
#include <mutex>
#ifndef _WIN32
#include <dlfcn.h>
#endif
#ifdef _WIN32
#define AVISYNTH_SO "avisynth.dll"
#else
#define AVISYNTH_SO "libavisynth.so"
#endif
// Allocate storage for and initialise static members
namespace {
int avs_refcount = 0;
#ifdef _WIN32
HINSTANCE hLib = nullptr;
#else
void* hLib = nullptr;
#endif
IScriptEnvironment *env = nullptr;
std::mutex AviSynthMutex;
}
@ -54,14 +68,26 @@ typedef IScriptEnvironment* __stdcall FUNC(int);
AviSynthWrapper::AviSynthWrapper() {
if (!avs_refcount++) {
hLib = LoadLibrary(L"avisynth.dll");
#ifdef _WIN32
#define CONCATENATE(x, y) x ## y
#define _Lstr(x) CONCATENATE(L, x)
hLib = LoadLibraryW(_Lstr(AVISYNTH_SO));
#undef _Lstr
#undef CONCATENATE
#else
hLib = dlopen(AVISYNTH_SO, RTLD_LAZY | RTLD_LOCAL | RTLD_DEEPBIND);
#endif
if (!hLib)
throw AvisynthError("Could not load avisynth.dll");
throw AvisynthError("Could not load " AVISYNTH_SO);
#ifdef _WIN32
FUNC* CreateScriptEnv = (FUNC*)GetProcAddress(hLib, "CreateScriptEnvironment");
#else
FUNC* CreateScriptEnv = (FUNC*)dlsym(hLib, "CreateScriptEnvironment");
#endif
if (!CreateScriptEnv)
throw AvisynthError("Failed to get address of CreateScriptEnv from avisynth.dll");
throw AvisynthError("Failed to get address of CreateScriptEnv from " AVISYNTH_SO);
env = CreateScriptEnv(AVISYNTH_INTERFACE_VERSION);
@ -80,8 +106,12 @@ AviSynthWrapper::AviSynthWrapper() {
AviSynthWrapper::~AviSynthWrapper() {
if (!--avs_refcount) {
delete env;
AVS_linkage = nullptr;
#ifdef _WIN32
FreeLibrary(hLib);
#else
dlclose(hLib);
#endif
AVS_linkage = nullptr;
}
}

View file

@ -335,7 +335,7 @@
}
},
"Avisynth" : {
"Memory Max" : 128
"Memory Max" : 1024
},
"FFmpegSource" : {
"Cache" : {

View file

@ -335,7 +335,7 @@
}
},
"Avisynth" : {
"Memory Max" : 128
"Memory Max" : 1024
},
"FFmpegSource" : {
"Cache" : {

View file

@ -171,11 +171,8 @@ if host_machine.system() == 'darwin'
)
elif host_machine.system() == 'windows'
aegisub_src += files(
'avisynth_wrap.cpp',
'font_file_lister_gdi.cpp',
# 'libass_gdi_fontselect.cpp',
'audio_provider_avs.cpp',
'video_provider_avs.cpp',
)
if cc.has_header('wingdi.h')
@ -238,6 +235,10 @@ opt_src = [
'video_provider_ffmpegsource.cpp',
'ffmpegsource_common.cpp']],
['AviSynth', ['avisynth_wrap.cpp',
'audio_provider_avs.cpp',
'video_provider_avs.cpp']],
['Hunspell', 'spellchecker_hunspell.cpp'],
]