mirror of https://code.videolan.org/videolan/x264
565 lines
22 KiB
C
565 lines
22 KiB
C
/*****************************************************************************
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* avs.c: avisynth input
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*****************************************************************************
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* Copyright (C) 2009-2024 x264 project
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*
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* Authors: Steven Walters <kemuri9@gmail.com>
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* Anton Mitrofanov <BugMaster@narod.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at licensing@x264.com.
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*****************************************************************************/
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#include "input.h"
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#if SYS_WINDOWS || SYS_CYGWIN
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#include <windows.h>
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#define avs_open() LoadLibraryW( L"avisynth" )
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#define avs_close FreeLibrary
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#define avs_address GetProcAddress
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#else
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#include <dlfcn.h>
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#if SYS_MACOSX
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#define avs_open() dlopen( "libavisynth.dylib", RTLD_NOW )
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#else
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#define avs_open() dlopen( "libavisynth.so", RTLD_NOW )
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#endif
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#define avs_close dlclose
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#define avs_address dlsym
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#endif
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#define AVSC_NO_DECLSPEC
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#undef EXTERN_C
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#include "extras/avisynth_c.h"
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#define AVSC_DECLARE_FUNC(name) name##_func name
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#define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "avs", __VA_ARGS__ )
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/* AVS uses a versioned interface to control backwards compatibility */
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/* YV12 support is required, which was added in 2.5 */
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#define AVS_INTERFACE_25 2
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#if HAVE_SWSCALE
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#include <libavutil/pixfmt.h>
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#endif
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/* maximum size of the sequence of filters to try on non script files */
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#define AVS_MAX_SEQUENCE 5
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#define LOAD_AVS_FUNC(name, continue_on_fail)\
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{\
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h->func.name = (void*)avs_address( h->library, #name );\
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if( !continue_on_fail && !h->func.name )\
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goto fail;\
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}
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#define LOAD_AVS_FUNC_ALIAS(name, alias, continue_on_fail)\
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{\
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if( !h->func.name )\
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h->func.name = (void*)avs_address( h->library, alias );\
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if( !continue_on_fail && !h->func.name )\
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goto fail;\
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}
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typedef struct
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{
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AVS_Clip *clip;
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AVS_ScriptEnvironment *env;
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void *library;
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int num_frames;
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struct
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{
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AVSC_DECLARE_FUNC( avs_clip_get_error );
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AVSC_DECLARE_FUNC( avs_create_script_environment );
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AVSC_DECLARE_FUNC( avs_delete_script_environment );
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AVSC_DECLARE_FUNC( avs_get_error );
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AVSC_DECLARE_FUNC( avs_get_frame );
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AVSC_DECLARE_FUNC( avs_get_video_info );
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AVSC_DECLARE_FUNC( avs_function_exists );
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AVSC_DECLARE_FUNC( avs_invoke );
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AVSC_DECLARE_FUNC( avs_release_clip );
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AVSC_DECLARE_FUNC( avs_release_value );
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AVSC_DECLARE_FUNC( avs_release_video_frame );
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AVSC_DECLARE_FUNC( avs_take_clip );
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AVSC_DECLARE_FUNC( avs_is_yv24 );
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AVSC_DECLARE_FUNC( avs_is_yv16 );
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AVSC_DECLARE_FUNC( avs_is_yv12 );
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AVSC_DECLARE_FUNC( avs_is_yv411 );
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AVSC_DECLARE_FUNC( avs_is_y8 );
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AVSC_DECLARE_FUNC( avs_get_pitch_p );
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AVSC_DECLARE_FUNC( avs_get_read_ptr_p );
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// AviSynth+ extension
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AVSC_DECLARE_FUNC( avs_is_rgb48 );
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AVSC_DECLARE_FUNC( avs_is_rgb64 );
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AVSC_DECLARE_FUNC( avs_is_yuv444p16 );
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AVSC_DECLARE_FUNC( avs_is_yuv422p16 );
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AVSC_DECLARE_FUNC( avs_is_yuv420p16 );
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AVSC_DECLARE_FUNC( avs_is_y16 );
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AVSC_DECLARE_FUNC( avs_is_444 );
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AVSC_DECLARE_FUNC( avs_is_422 );
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AVSC_DECLARE_FUNC( avs_is_420 );
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AVSC_DECLARE_FUNC( avs_is_y );
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} func;
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} avs_hnd_t;
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/* load the library and functions we require from it */
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static int custom_avs_load_library( avs_hnd_t *h )
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{
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h->library = avs_open();
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if( !h->library )
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return -1;
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LOAD_AVS_FUNC( avs_clip_get_error, 0 );
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LOAD_AVS_FUNC( avs_create_script_environment, 0 );
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LOAD_AVS_FUNC( avs_delete_script_environment, 1 );
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LOAD_AVS_FUNC( avs_get_error, 1 );
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LOAD_AVS_FUNC( avs_get_frame, 0 );
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LOAD_AVS_FUNC( avs_get_video_info, 0 );
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LOAD_AVS_FUNC( avs_function_exists, 0 );
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LOAD_AVS_FUNC( avs_invoke, 0 );
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LOAD_AVS_FUNC( avs_release_clip, 0 );
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LOAD_AVS_FUNC( avs_release_value, 0 );
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LOAD_AVS_FUNC( avs_release_video_frame, 0 );
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LOAD_AVS_FUNC( avs_take_clip, 0 );
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LOAD_AVS_FUNC( avs_is_yv24, 1 );
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LOAD_AVS_FUNC( avs_is_yv16, 1 );
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LOAD_AVS_FUNC( avs_is_yv12, 1 );
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LOAD_AVS_FUNC( avs_is_yv411, 1 );
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LOAD_AVS_FUNC( avs_is_y8, 1 );
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LOAD_AVS_FUNC( avs_get_pitch_p, 1 );
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LOAD_AVS_FUNC( avs_get_read_ptr_p, 1 );
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// AviSynth+ extension
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LOAD_AVS_FUNC( avs_is_rgb48, 1 );
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LOAD_AVS_FUNC_ALIAS( avs_is_rgb48, "_avs_is_rgb48@4", 1 );
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LOAD_AVS_FUNC( avs_is_rgb64, 1 );
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LOAD_AVS_FUNC_ALIAS( avs_is_rgb64, "_avs_is_rgb64@4", 1 );
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LOAD_AVS_FUNC( avs_is_yuv444p16, 1 );
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LOAD_AVS_FUNC( avs_is_yuv422p16, 1 );
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LOAD_AVS_FUNC( avs_is_yuv420p16, 1 );
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LOAD_AVS_FUNC( avs_is_y16, 1 );
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LOAD_AVS_FUNC( avs_is_444, 1 );
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LOAD_AVS_FUNC( avs_is_422, 1 );
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LOAD_AVS_FUNC( avs_is_420, 1 );
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LOAD_AVS_FUNC( avs_is_y, 1 );
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return 0;
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fail:
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avs_close( h->library );
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h->library = NULL;
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return -1;
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}
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#define AVS_IS_YV24( vi ) (h->func.avs_is_yv24 ? h->func.avs_is_yv24( vi ) : avs_is_yv24( vi ))
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#define AVS_IS_YV16( vi ) (h->func.avs_is_yv16 ? h->func.avs_is_yv16( vi ) : avs_is_yv16( vi ))
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#define AVS_IS_YV12( vi ) (h->func.avs_is_yv12 ? h->func.avs_is_yv12( vi ) : avs_is_yv12( vi ))
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#define AVS_IS_YV411( vi ) (h->func.avs_is_yv411 ? h->func.avs_is_yv411( vi ) : avs_is_yv411( vi ))
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#define AVS_IS_Y8( vi ) (h->func.avs_is_y8 ? h->func.avs_is_y8( vi ) : avs_is_y8( vi ))
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#define AVS_GET_PITCH_P( p, plane ) (h->func.avs_get_pitch_p ? h->func.avs_get_pitch_p( p, plane ) : avs_get_pitch_p( p, plane ))
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#define AVS_GET_READ_PTR_P( p, plane ) (h->func.avs_get_read_ptr_p ? h->func.avs_get_read_ptr_p( p, plane ) : avs_get_read_ptr_p( p, plane ))
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#define AVS_IS_AVISYNTHPLUS (h->func.avs_is_420 && h->func.avs_is_422 && h->func.avs_is_444)
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#define AVS_IS_420( vi ) (h->func.avs_is_420 ? h->func.avs_is_420( vi ) : AVS_IS_YV12( vi ))
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#define AVS_IS_422( vi ) (h->func.avs_is_422 ? h->func.avs_is_422( vi ) : AVS_IS_YV16( vi ))
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#define AVS_IS_444( vi ) (h->func.avs_is_444 ? h->func.avs_is_444( vi ) : AVS_IS_YV24( vi ))
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#define AVS_IS_RGB48( vi ) (h->func.avs_is_rgb48 && h->func.avs_is_rgb48( vi ))
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#define AVS_IS_RGB64( vi ) (h->func.avs_is_rgb64 && h->func.avs_is_rgb64( vi ))
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#define AVS_IS_YUV420P16( vi ) (h->func.avs_is_yuv420p16 && h->func.avs_is_yuv420p16( vi ))
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#define AVS_IS_YUV422P16( vi ) (h->func.avs_is_yuv422p16 && h->func.avs_is_yuv422p16( vi ))
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#define AVS_IS_YUV444P16( vi ) (h->func.avs_is_yuv444p16 && h->func.avs_is_yuv444p16( vi ))
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#define AVS_IS_Y( vi ) (h->func.avs_is_y ? h->func.avs_is_y( vi ) : AVS_IS_Y8( vi ))
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#define AVS_IS_Y16( vi ) (h->func.avs_is_y16 && h->func.avs_is_y16( vi ))
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/* generate a filter sequence to try based on the filename extension */
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static void avs_build_filter_sequence( char *filename_ext, const char *filter[AVS_MAX_SEQUENCE+1] )
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{
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int i = 0;
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#if SYS_WINDOWS || SYS_CYGWIN
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const char *all_purpose[] = { "FFmpegSource2", "DSS2", "DirectShowSource", 0 };
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if( !strcasecmp( filename_ext, "avi" ) )
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filter[i++] = "AVISource";
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if( !strcasecmp( filename_ext, "d2v" ) )
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filter[i++] = "MPEG2Source";
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if( !strcasecmp( filename_ext, "dga" ) )
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filter[i++] = "AVCSource";
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#else
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const char *all_purpose[] = { "FFVideoSource", 0 };
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#endif
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for( int j = 0; all_purpose[j] && i < AVS_MAX_SEQUENCE; j++ )
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filter[i++] = all_purpose[j];
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}
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static AVS_Value update_clip( avs_hnd_t *h, const AVS_VideoInfo **vi, AVS_Value res, AVS_Value release )
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{
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h->func.avs_release_clip( h->clip );
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h->clip = h->func.avs_take_clip( res, h->env );
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h->func.avs_release_value( release );
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*vi = h->func.avs_get_video_info( h->clip );
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return res;
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}
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static float get_avs_version( avs_hnd_t *h )
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{
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FAIL_IF_ERROR( !h->func.avs_function_exists( h->env, "VersionNumber" ), "VersionNumber does not exist\n" );
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AVS_Value ver = h->func.avs_invoke( h->env, "VersionNumber", avs_new_value_array( NULL, 0 ), NULL );
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FAIL_IF_ERROR( avs_is_error( ver ), "unable to determine avisynth version: %s\n", avs_as_error( ver ) );
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FAIL_IF_ERROR( !avs_is_float( ver ), "VersionNumber did not return a float value\n" );
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float ret = avs_as_float( ver );
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h->func.avs_release_value( ver );
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return ret;
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}
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#ifdef _WIN32
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static char *utf16_to_ansi( const wchar_t *utf16 )
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{
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BOOL invalid;
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int len = WideCharToMultiByte( CP_ACP, WC_NO_BEST_FIT_CHARS, utf16, -1, NULL, 0, NULL, &invalid );
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if( len && !invalid )
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{
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char *ansi = malloc( len * sizeof( char ) );
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if( ansi )
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{
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if( WideCharToMultiByte( CP_ACP, WC_NO_BEST_FIT_CHARS, utf16, -1, ansi, len, NULL, &invalid ) && !invalid )
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return ansi;
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free( ansi );
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}
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}
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return NULL;
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}
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static char *utf8_to_ansi( const char *filename )
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{
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char *ansi = NULL;
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wchar_t *filename_utf16 = x264_utf8_to_utf16( filename );
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if( filename_utf16 )
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{
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/* Check if the filename already is valid ANSI. */
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if( !(ansi = utf16_to_ansi( filename_utf16 )) )
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{
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/* Check for a legacy 8.3 short filename. */
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int len = GetShortPathNameW( filename_utf16, NULL, 0 );
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if( len )
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{
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wchar_t *short_utf16 = malloc( len * sizeof( wchar_t ) );
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if( short_utf16 )
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{
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if( GetShortPathNameW( filename_utf16, short_utf16, len ) )
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ansi = utf16_to_ansi( short_utf16 );
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free( short_utf16 );
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}
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}
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}
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free( filename_utf16 );
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}
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return ansi;
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}
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#endif
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static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
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{
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FILE *fh = x264_fopen( psz_filename, "r" );
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if( !fh )
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return -1;
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int b_regular = x264_is_regular_file( fh );
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fclose( fh );
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FAIL_IF_ERROR( !b_regular, "AVS input is incompatible with non-regular file `%s'\n", psz_filename );
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avs_hnd_t *h = calloc( 1, sizeof(avs_hnd_t) );
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if( !h )
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return -1;
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FAIL_IF_ERROR( custom_avs_load_library( h ), "failed to load avisynth\n" );
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h->env = h->func.avs_create_script_environment( AVS_INTERFACE_25 );
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if( h->func.avs_get_error )
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{
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const char *error = h->func.avs_get_error( h->env );
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FAIL_IF_ERROR( error, "%s\n", error );
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}
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float avs_version = get_avs_version( h );
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if( avs_version <= 0 )
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return -1;
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x264_cli_log( "avs", X264_LOG_DEBUG, "using avisynth version %.2f\n", avs_version );
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#ifdef _WIN32
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/* Avisynth doesn't support Unicode filenames. */
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char *ansi_filename = utf8_to_ansi( psz_filename );
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FAIL_IF_ERROR( !ansi_filename, "invalid ansi filename\n" );
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AVS_Value arg = avs_new_value_string( ansi_filename );
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#else
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AVS_Value arg = avs_new_value_string( psz_filename );
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#endif
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AVS_Value res;
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char *filename_ext = get_filename_extension( psz_filename );
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if( !strcasecmp( filename_ext, "avs" ) )
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{
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res = h->func.avs_invoke( h->env, "Import", arg, NULL );
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#ifdef _WIN32
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free( ansi_filename );
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#endif
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FAIL_IF_ERROR( avs_is_error( res ), "%s\n", avs_as_error( res ) );
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/* check if the user is using a multi-threaded script and apply distributor if necessary.
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adapted from avisynth's vfw interface */
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AVS_Value mt_test = h->func.avs_invoke( h->env, "GetMTMode", avs_new_value_bool( 0 ), NULL );
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int mt_mode = avs_is_int( mt_test ) ? avs_as_int( mt_test ) : 0;
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h->func.avs_release_value( mt_test );
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if( mt_mode > 0 && mt_mode < 5 )
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{
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AVS_Value temp = h->func.avs_invoke( h->env, "Distributor", res, NULL );
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h->func.avs_release_value( res );
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res = temp;
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}
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}
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else /* non script file */
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{
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/* cycle through known source filters to find one that works */
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const char *filter[AVS_MAX_SEQUENCE+1] = { 0 };
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avs_build_filter_sequence( filename_ext, filter );
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int i;
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for( i = 0; filter[i]; i++ )
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{
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x264_cli_log( "avs", X264_LOG_INFO, "trying %s... ", filter[i] );
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if( !h->func.avs_function_exists( h->env, filter[i] ) )
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{
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x264_cli_printf( X264_LOG_INFO, "not found\n" );
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continue;
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}
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if( !strncasecmp( filter[i], "FFmpegSource", 12 ) )
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{
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x264_cli_printf( X264_LOG_INFO, "indexing... " );
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fflush( stderr );
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}
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res = h->func.avs_invoke( h->env, filter[i], arg, NULL );
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if( !avs_is_error( res ) )
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{
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x264_cli_printf( X264_LOG_INFO, "succeeded\n" );
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break;
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}
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x264_cli_printf( X264_LOG_INFO, "failed\n" );
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}
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#ifdef _WIN32
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free( ansi_filename );
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#endif
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FAIL_IF_ERROR( !filter[i], "unable to find source filter to open `%s'\n", psz_filename );
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}
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FAIL_IF_ERROR( !avs_is_clip( res ), "`%s' didn't return a video clip\n", psz_filename );
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h->clip = h->func.avs_take_clip( res, h->env );
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const AVS_VideoInfo *vi = h->func.avs_get_video_info( h->clip );
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FAIL_IF_ERROR( !avs_has_video( vi ), "`%s' has no video data\n", psz_filename );
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/* if the clip is made of fields instead of frames, call weave to make them frames */
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if( avs_is_field_based( vi ) )
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{
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x264_cli_log( "avs", X264_LOG_WARNING, "detected fieldbased (separated) input, weaving to frames\n" );
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AVS_Value tmp = h->func.avs_invoke( h->env, "Weave", res, NULL );
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FAIL_IF_ERROR( avs_is_error( tmp ), "couldn't weave fields into frames: %s\n", avs_as_error( tmp ) );
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res = update_clip( h, &vi, tmp, res );
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info->interlaced = 1;
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info->tff = avs_is_tff( vi );
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}
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#if !HAVE_SWSCALE
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/* if swscale is not available, convert the CSP if necessary */
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FAIL_IF_ERROR( avs_version < 2.6f && (opt->output_csp == X264_CSP_I400 || opt->output_csp == X264_CSP_I422 || opt->output_csp == X264_CSP_I444),
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"avisynth >= 2.6 is required for i400/i422/i444 output\n" );
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if( (opt->output_csp == X264_CSP_I400 && !AVS_IS_Y( vi )) ||
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(opt->output_csp == X264_CSP_I420 && !AVS_IS_420( vi )) ||
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(opt->output_csp == X264_CSP_I422 && !AVS_IS_422( vi )) ||
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(opt->output_csp == X264_CSP_I444 && !AVS_IS_444( vi )) ||
|
|
(opt->output_csp == X264_CSP_RGB && !avs_is_rgb( vi )) )
|
|
{
|
|
const char *csp;
|
|
if( AVS_IS_AVISYNTHPLUS )
|
|
{
|
|
csp = opt->output_csp == X264_CSP_I400 ? "Y" :
|
|
opt->output_csp == X264_CSP_I420 ? "YUV420" :
|
|
opt->output_csp == X264_CSP_I422 ? "YUV422" :
|
|
opt->output_csp == X264_CSP_I444 ? "YUV444" :
|
|
"RGB";
|
|
}
|
|
else
|
|
{
|
|
csp = opt->output_csp == X264_CSP_I400 ? "Y8" :
|
|
opt->output_csp == X264_CSP_I420 ? "YV12" :
|
|
opt->output_csp == X264_CSP_I422 ? "YV16" :
|
|
opt->output_csp == X264_CSP_I444 ? "YV24" :
|
|
"RGB";
|
|
}
|
|
x264_cli_log( "avs", X264_LOG_WARNING, "converting input clip to %s\n", csp );
|
|
if( opt->output_csp != X264_CSP_I400 )
|
|
{
|
|
FAIL_IF_ERROR( opt->output_csp < X264_CSP_I444 && (vi->width&1),
|
|
"input clip width not divisible by 2 (%dx%d)\n", vi->width, vi->height );
|
|
FAIL_IF_ERROR( opt->output_csp == X264_CSP_I420 && info->interlaced && (vi->height&3),
|
|
"input clip height not divisible by 4 (%dx%d)\n", vi->width, vi->height );
|
|
FAIL_IF_ERROR( (opt->output_csp == X264_CSP_I420 || info->interlaced) && (vi->height&1),
|
|
"input clip height not divisible by 2 (%dx%d)\n", vi->width, vi->height );
|
|
}
|
|
char conv_func[16];
|
|
snprintf( conv_func, sizeof(conv_func), "ConvertTo%s", csp );
|
|
AVS_Value arg_arr[3];
|
|
const char *arg_name[3];
|
|
int arg_count = 1;
|
|
arg_arr[0] = res;
|
|
arg_name[0] = NULL;
|
|
if( opt->output_csp != X264_CSP_I400 )
|
|
{
|
|
arg_arr[arg_count] = avs_new_value_bool( info->interlaced );
|
|
arg_name[arg_count] = "interlaced";
|
|
arg_count++;
|
|
}
|
|
/* if doing a rgb <-> yuv conversion then range is handled via 'matrix'. though it's only supported in 2.56+ */
|
|
char matrix[7];
|
|
if( avs_version >= 2.56f && ((opt->output_csp == X264_CSP_RGB && avs_is_yuv( vi )) || (opt->output_csp != X264_CSP_RGB && avs_is_rgb( vi ))) )
|
|
{
|
|
// if converting from yuv, then we specify the matrix for the input, otherwise use the output's.
|
|
int use_pc_matrix = avs_is_yuv( vi ) ? opt->input_range == RANGE_PC : opt->output_range == RANGE_PC;
|
|
snprintf( matrix, sizeof(matrix), "%s601", use_pc_matrix ? "PC." : "Rec" ); /* FIXME: use correct coefficients */
|
|
arg_arr[arg_count] = avs_new_value_string( matrix );
|
|
arg_name[arg_count] = "matrix";
|
|
arg_count++;
|
|
// notification that the input range has changed to the desired one
|
|
opt->input_range = opt->output_range;
|
|
}
|
|
AVS_Value res2 = h->func.avs_invoke( h->env, conv_func, avs_new_value_array( arg_arr, arg_count ), arg_name );
|
|
FAIL_IF_ERROR( avs_is_error( res2 ), "couldn't convert input clip to %s: %s\n", csp, avs_as_error( res2 ) );
|
|
res = update_clip( h, &vi, res2, res );
|
|
}
|
|
/* if swscale is not available, change the range if necessary. This only applies to YUV-based CSPs however */
|
|
if( avs_is_yuv( vi ) && opt->output_range != RANGE_AUTO && ((opt->input_range == RANGE_PC) != opt->output_range) )
|
|
{
|
|
const char *levels = opt->output_range ? "TV->PC" : "PC->TV";
|
|
x264_cli_log( "avs", X264_LOG_WARNING, "performing %s conversion\n", levels );
|
|
AVS_Value arg_arr[2];
|
|
arg_arr[0] = res;
|
|
arg_arr[1] = avs_new_value_string( levels );
|
|
const char *arg_name[] = { NULL, "levels" };
|
|
AVS_Value res2 = h->func.avs_invoke( h->env, "ColorYUV", avs_new_value_array( arg_arr, 2 ), arg_name );
|
|
FAIL_IF_ERROR( avs_is_error( res2 ), "couldn't convert range: %s\n", avs_as_error( res2 ) );
|
|
res = update_clip( h, &vi, res2, res );
|
|
// notification that the input range has changed to the desired one
|
|
opt->input_range = opt->output_range;
|
|
}
|
|
#endif
|
|
|
|
h->func.avs_release_value( res );
|
|
|
|
info->width = vi->width;
|
|
info->height = vi->height;
|
|
info->fps_num = vi->fps_numerator;
|
|
info->fps_den = vi->fps_denominator;
|
|
h->num_frames = info->num_frames = vi->num_frames;
|
|
info->thread_safe = 1;
|
|
if( AVS_IS_RGB64( vi ) )
|
|
info->csp = X264_CSP_BGRA | X264_CSP_VFLIP | X264_CSP_HIGH_DEPTH;
|
|
else if( avs_is_rgb32( vi ) )
|
|
info->csp = X264_CSP_BGRA | X264_CSP_VFLIP;
|
|
else if( AVS_IS_RGB48( vi ) )
|
|
info->csp = X264_CSP_BGR | X264_CSP_VFLIP | X264_CSP_HIGH_DEPTH;
|
|
else if( avs_is_rgb24( vi ) )
|
|
info->csp = X264_CSP_BGR | X264_CSP_VFLIP;
|
|
else if( AVS_IS_YUV444P16( vi ) )
|
|
info->csp = X264_CSP_I444 | X264_CSP_HIGH_DEPTH;
|
|
else if( AVS_IS_YV24( vi ) )
|
|
info->csp = X264_CSP_I444;
|
|
else if( AVS_IS_YUV422P16( vi ) )
|
|
info->csp = X264_CSP_I422 | X264_CSP_HIGH_DEPTH;
|
|
else if( AVS_IS_YV16( vi ) )
|
|
info->csp = X264_CSP_I422;
|
|
else if( AVS_IS_YUV420P16( vi ) )
|
|
info->csp = X264_CSP_I420 | X264_CSP_HIGH_DEPTH;
|
|
else if( AVS_IS_YV12( vi ) )
|
|
info->csp = X264_CSP_I420;
|
|
else if( AVS_IS_Y16( vi ) )
|
|
info->csp = X264_CSP_I400 | X264_CSP_HIGH_DEPTH;
|
|
else if( AVS_IS_Y8( vi ) )
|
|
info->csp = X264_CSP_I400;
|
|
else if( avs_is_yuy2( vi ) )
|
|
info->csp = X264_CSP_YUYV;
|
|
#if HAVE_SWSCALE
|
|
else if( AVS_IS_YV411( vi ) )
|
|
info->csp = AV_PIX_FMT_YUV411P | X264_CSP_OTHER;
|
|
#endif
|
|
else
|
|
{
|
|
AVS_Value pixel_type = h->func.avs_invoke( h->env, "PixelType", res, NULL );
|
|
const char *pixel_type_name = avs_is_string( pixel_type ) ? avs_as_string( pixel_type ) : "unknown";
|
|
FAIL_IF_ERROR( 1, "not supported pixel type: %s\n", pixel_type_name );
|
|
}
|
|
info->vfr = 0;
|
|
|
|
*p_handle = h;
|
|
return 0;
|
|
}
|
|
|
|
static int picture_alloc( cli_pic_t *pic, hnd_t handle, int csp, int width, int height )
|
|
{
|
|
if( x264_cli_pic_alloc( pic, X264_CSP_NONE, width, height ) )
|
|
return -1;
|
|
pic->img.csp = csp;
|
|
const x264_cli_csp_t *cli_csp = x264_cli_get_csp( csp );
|
|
if( cli_csp )
|
|
pic->img.planes = cli_csp->planes;
|
|
#if HAVE_SWSCALE
|
|
else if( csp == (AV_PIX_FMT_YUV411P | X264_CSP_OTHER) )
|
|
pic->img.planes = 3;
|
|
else
|
|
pic->img.planes = 1; //y8 and yuy2 are one plane
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int read_frame( cli_pic_t *pic, hnd_t handle, int i_frame )
|
|
{
|
|
static const int plane[3] = { AVS_PLANAR_Y, AVS_PLANAR_U, AVS_PLANAR_V };
|
|
avs_hnd_t *h = handle;
|
|
if( i_frame >= h->num_frames )
|
|
return -1;
|
|
AVS_VideoFrame *frm = pic->opaque = h->func.avs_get_frame( h->clip, i_frame );
|
|
const char *err = h->func.avs_clip_get_error( h->clip );
|
|
FAIL_IF_ERROR( err, "%s occurred while reading frame %d\n", err, i_frame );
|
|
for( int i = 0; i < pic->img.planes; i++ )
|
|
{
|
|
/* explicitly cast away the const attribute to avoid a warning */
|
|
pic->img.plane[i] = (uint8_t*)AVS_GET_READ_PTR_P( frm, plane[i] );
|
|
pic->img.stride[i] = AVS_GET_PITCH_P( frm, plane[i] );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int release_frame( cli_pic_t *pic, hnd_t handle )
|
|
{
|
|
avs_hnd_t *h = handle;
|
|
h->func.avs_release_video_frame( pic->opaque );
|
|
return 0;
|
|
}
|
|
|
|
static void picture_clean( cli_pic_t *pic, hnd_t handle )
|
|
{
|
|
memset( pic, 0, sizeof(cli_pic_t) );
|
|
}
|
|
|
|
static int close_file( hnd_t handle )
|
|
{
|
|
avs_hnd_t *h = handle;
|
|
if( h->func.avs_release_clip && h->clip )
|
|
h->func.avs_release_clip( h->clip );
|
|
if( h->func.avs_delete_script_environment && h->env )
|
|
h->func.avs_delete_script_environment( h->env );
|
|
if( h->library )
|
|
avs_close( h->library );
|
|
free( h );
|
|
return 0;
|
|
}
|
|
|
|
const cli_input_t avs_input = { open_file, picture_alloc, read_frame, release_frame, picture_clean, close_file };
|