static av_cold int avisynth_load_library(void)
{
avs_library.library = LoadLibrary(AVISYNTH_LIB);
if (!avs_library.library)
return AVERROR_UNKNOWN;
#define LOAD_AVS_FUNC(name, continue_on_fail) \
avs_library.name = \
(void *)GetProcAddress(avs_library.library, #name); \
if (!continue_on_fail && !avs_library.name) \
goto fail;
LOAD_AVS_FUNC(avs_bit_blt, 0);
LOAD_AVS_FUNC(avs_clip_get_error, 0);
LOAD_AVS_FUNC(avs_create_script_environment, 0);
LOAD_AVS_FUNC(avs_delete_script_environment, 0);
LOAD_AVS_FUNC(avs_get_audio, 0);
LOAD_AVS_FUNC(avs_get_error, 1); // New to AviSynth 2.6
LOAD_AVS_FUNC(avs_get_frame, 0);
LOAD_AVS_FUNC(avs_get_version, 0);
LOAD_AVS_FUNC(avs_get_video_info, 0);
LOAD_AVS_FUNC(avs_invoke, 0);
LOAD_AVS_FUNC(avs_release_clip, 0);
LOAD_AVS_FUNC(avs_release_value, 0);
LOAD_AVS_FUNC(avs_release_video_frame, 0);
LOAD_AVS_FUNC(avs_take_clip, 0);
#ifdef USING_AVISYNTH
LOAD_AVS_FUNC(avs_bits_per_pixel, 1);
LOAD_AVS_FUNC(avs_get_height_p, 1);
LOAD_AVS_FUNC(avs_get_pitch_p, 1);
LOAD_AVS_FUNC(avs_get_read_ptr_p, 1);
LOAD_AVS_FUNC(avs_get_row_size_p, 1);
LOAD_AVS_FUNC(avs_is_yv24, 1);
LOAD_AVS_FUNC(avs_is_yv16, 1);
LOAD_AVS_FUNC(avs_is_yv411, 1);
LOAD_AVS_FUNC(avs_is_y8, 1);
#endif
#undef LOAD_AVS_FUNC
atexit(avisynth_atexit_handler);
return 0;
fail:
FreeLibrary(avs_library.library);
return AVERROR_UNKNOWN;
}
static int load_avisynth_dll( avs_handler_t *hp )
{
#define LOAD_AVS_FUNC( name, ignore_fail ) \
{ \
hp->func.name = (name##_func)GetProcAddress( hp->library, #name ); \
if( !ignore_fail && !hp->func.name ) \
goto fail; \
}
hp->library = LoadLibrary( "avisynth" );
if( !hp->library )
return -1;
LOAD_AVS_FUNC( avs_clip_get_error, 0 );
LOAD_AVS_FUNC( avs_create_script_environment, 0 );
LOAD_AVS_FUNC( avs_delete_script_environment, 1 );
LOAD_AVS_FUNC( avs_get_error, 1 );
LOAD_AVS_FUNC( avs_get_frame, 0 );
LOAD_AVS_FUNC( avs_get_audio, 0 );
LOAD_AVS_FUNC( avs_get_video_info, 0 );
LOAD_AVS_FUNC( avs_invoke, 0 );
LOAD_AVS_FUNC( avs_bit_blt, 0 );
LOAD_AVS_FUNC( avs_release_clip, 0 );
LOAD_AVS_FUNC( avs_release_value, 0 );
LOAD_AVS_FUNC( avs_release_video_frame, 0 );
LOAD_AVS_FUNC( avs_take_clip, 0 );
return 0;
fail:
FreeLibrary( hp->library );
return -1;
#undef LOAD_AVS_FUNC
}
static av_cold int avisynth_load_library(void) {
avs_library = av_mallocz(sizeof(AviSynthLibrary));
if (!avs_library)
return AVERROR_UNKNOWN;
avs_library->library = LoadLibrary(AVISYNTH_LIB);
if (!avs_library->library)
goto init_fail;
#define LOAD_AVS_FUNC(name, continue_on_fail) \
{ \
avs_library->name = (void*)GetProcAddress(avs_library->library, #name); \
if(!continue_on_fail && !avs_library->name) \
goto fail; \
}
LOAD_AVS_FUNC(avs_bit_blt, 0);
LOAD_AVS_FUNC(avs_clip_get_error, 0);
LOAD_AVS_FUNC(avs_create_script_environment, 0);
LOAD_AVS_FUNC(avs_delete_script_environment, 0);
LOAD_AVS_FUNC(avs_get_audio, 0);
LOAD_AVS_FUNC(avs_get_error, 1); // New to AviSynth 2.6
LOAD_AVS_FUNC(avs_get_frame, 0);
LOAD_AVS_FUNC(avs_get_version, 0);
LOAD_AVS_FUNC(avs_get_video_info, 0);
LOAD_AVS_FUNC(avs_invoke, 0);
LOAD_AVS_FUNC(avs_release_clip, 0);
LOAD_AVS_FUNC(avs_release_value, 0);
LOAD_AVS_FUNC(avs_release_video_frame, 0);
LOAD_AVS_FUNC(avs_take_clip, 0);
#undef LOAD_AVS_FUNC
atexit(avisynth_atexit_handler);
return 0;
fail:
FreeLibrary(avs_library->library);
init_fail:
av_freep(&avs_library);
return AVERROR_UNKNOWN;
}
/* load the library and functions we require from it */
static int internal_avs_load_library( avs_hnd_t *h )
{
h->library = LoadLibrary( "avisynth" );
if( !h->library )
return -1;
LOAD_AVS_FUNC( avs_clip_get_error, 0 );
LOAD_AVS_FUNC( avs_create_script_environment, 0 );
LOAD_AVS_FUNC( avs_delete_script_environment, 1 );
LOAD_AVS_FUNC( avs_get_error, 1 );
LOAD_AVS_FUNC( avs_get_frame, 0 );
LOAD_AVS_FUNC( avs_get_video_info, 0 );
LOAD_AVS_FUNC( avs_function_exists, 0 );
LOAD_AVS_FUNC( avs_invoke, 0 );
LOAD_AVS_FUNC( avs_release_clip, 0 );
LOAD_AVS_FUNC( avs_release_value, 0 );
LOAD_AVS_FUNC( avs_release_video_frame, 0 );
LOAD_AVS_FUNC( avs_take_clip, 0 );
return 0;
fail:
FreeLibrary( h->library );
return -1;
}
/* load the library and functions we require from it */
static int custom_avs_load_library( avs_hnd_t *h )
{
h->library = avs_open();
if( !h->library )
return -1;
LOAD_AVS_FUNC( avs_clip_get_error, 0 );
LOAD_AVS_FUNC( avs_create_script_environment, 0 );
LOAD_AVS_FUNC( avs_delete_script_environment, 1 );
LOAD_AVS_FUNC( avs_get_error, 1 );
LOAD_AVS_FUNC( avs_get_frame, 0 );
LOAD_AVS_FUNC( avs_get_video_info, 0 );
LOAD_AVS_FUNC( avs_function_exists, 0 );
LOAD_AVS_FUNC( avs_invoke, 0 );
LOAD_AVS_FUNC( avs_release_clip, 0 );
LOAD_AVS_FUNC( avs_release_value, 0 );
LOAD_AVS_FUNC( avs_release_video_frame, 0 );
LOAD_AVS_FUNC( avs_take_clip, 0 );
#if !USE_AVXSYNTH
// AviSynth+ extension
LOAD_AVS_FUNC( avs_is_rgb48, 1 );
LOAD_AVS_FUNC_ALIAS( avs_is_rgb48, "_avs_is_rgb48@4", 1 );
LOAD_AVS_FUNC( avs_is_rgb64, 1 );
LOAD_AVS_FUNC_ALIAS( avs_is_rgb64, "_avs_is_rgb64@4", 1 );
LOAD_AVS_FUNC( avs_is_yuv444p16, 1 );
LOAD_AVS_FUNC( avs_is_yuv422p16, 1 );
LOAD_AVS_FUNC( avs_is_yuv420p16, 1 );
LOAD_AVS_FUNC( avs_is_y16, 1 );
LOAD_AVS_FUNC( avs_is_yuv444ps, 1 );
LOAD_AVS_FUNC( avs_is_yuv422ps, 1 );
LOAD_AVS_FUNC( avs_is_yuv420ps, 1 );
LOAD_AVS_FUNC( avs_is_y32, 1 );
LOAD_AVS_FUNC( avs_is_444, 1 );
LOAD_AVS_FUNC( avs_is_422, 1 );
LOAD_AVS_FUNC( avs_is_420, 1 );
LOAD_AVS_FUNC( avs_is_y, 1 );
LOAD_AVS_FUNC( avs_is_yuva, 1 );
LOAD_AVS_FUNC( avs_is_planar_rgb, 1 );
LOAD_AVS_FUNC( avs_is_planar_rgba, 1 );
LOAD_AVS_FUNC( avs_num_components, 1 );
LOAD_AVS_FUNC( avs_component_size, 1 );
LOAD_AVS_FUNC( avs_bits_per_component, 1 );
#endif
return 0;
fail:
avs_close( h->library );
h->library = NULL;
return -1;
}
static int load_avisynth_dll(avs_hnd_t *ah)
{
ah->library = LoadLibrary("avisynth");
if(!ah->library)
return -1;
LOAD_AVS_FUNC(avs_clip_get_error, 0 );
LOAD_AVS_FUNC(avs_create_script_environment, 0);
LOAD_AVS_FUNC(avs_delete_script_environment, 1);
LOAD_AVS_FUNC(avs_get_error, 1);
LOAD_AVS_FUNC(avs_get_frame, 0);
LOAD_AVS_FUNC(avs_get_audio, 0);
LOAD_AVS_FUNC(avs_get_version, 0);
LOAD_AVS_FUNC(avs_get_video_info, 0);
LOAD_AVS_FUNC(avs_function_exists, 0);
LOAD_AVS_FUNC(avs_invoke, 0);
LOAD_AVS_FUNC(avs_bit_blt, 0);
LOAD_AVS_FUNC(avs_release_clip, 0);
LOAD_AVS_FUNC(avs_release_value, 0);
LOAD_AVS_FUNC(avs_release_video_frame, 0);
LOAD_AVS_FUNC(avs_take_clip, 0);
return 0;
fail:
FreeLibrary(ah->library);
return -1;
}
