std.expr

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# Copyright (C) 2025 yuygfgg
# 
# This file is part of Vapoursynth-llvmexpr.
# 
# Vapoursynth-llvmexpr is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# Vapoursynth-llvmexpr is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with Vapoursynth-llvmexpr.  If not, see <https://www.gnu.org/licenses/>.
 
# Requires meta
 
@define ___stdlib_std_INC(n) ((n) + 1)
@define ___stdlib_std_DIV(a, b) ((a) / (b))
 
@define ___stdlib_std_LUMA_W(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_WIDTH_, i), __)
@define ___stdlib_std_SUB_W(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_SUBSAMPLE_W_, i), __)
@define ___stdlib_std_NUM_PLANES_OF(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_NUM_PLANES_, i), __)
@define ___stdlib_std_WIDTH_OF(i, p) ((p) < 0 || (p) >= ___stdlib_std_NUM_PLANES_OF(i) ? -1 : ((p) == 0 ? ___stdlib_std_LUMA_W(i) : ___stdlib_std_DIV(___stdlib_std_LUMA_W(i), (___stdlib_std_SUB_W(i) ? 2 : 1))))
@define ___stdlib_std_GET_WIDTH_LOOP(i, c, p) (((i) >= __INPUT_NUM__ || (i) < 0) ? -1 : ((c) == (i) ? ___stdlib_std_WIDTH_OF(i, p) : ___stdlib_std_GET_WIDTH_LOOP(___stdlib_std_INC(i), c, p)))
@define ___stdlib_std_EXPR_WIDTH(p) ((p) < 0 || (p) >= __NUM_PLANES__ ? -1 : ((p) == 0 ? __WIDTH__ : ___stdlib_std_DIV(__WIDTH__, (__SUBSAMPLE_W__ ? 2 : 1))))
@define ___stdlib_std_get_width_(c, p) (defined(__SINGLEEXPR__) ? ___stdlib_std_GET_WIDTH_LOOP(0, c, p) : ___stdlib_std_EXPR_WIDTH(p))
function ___stdlib_std_get_width_expr(Value plane_idx) {
    return ___stdlib_std_get_width_(0, plane_idx)
}
function ___stdlib_std_get_width_single(Value clip_idx, Value plane_idx) {
    return ___stdlib_std_get_width_(clip_idx, plane_idx)
}
 
@define ___stdlib_std_LUMA_H(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_HEIGHT_, i), __)
@define ___stdlib_std_SUB_H(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_SUBSAMPLE_H_, i), __)
@define ___stdlib_std_HEIGHT_OF(i, p) ((p) < 0 || (p) >= ___stdlib_std_NUM_PLANES_OF(i) ? -1 : ((p) == 0 ? ___stdlib_std_LUMA_H(i) : ___stdlib_std_DIV(___stdlib_std_LUMA_H(i), (___stdlib_std_SUB_H(i) ? 2 : 1))))
@define ___stdlib_std_GET_HEIGHT_LOOP(i, c, p) (((i) >= __INPUT_NUM__ || (i) < 0) ? -1 : ((c) == (i) ? ___stdlib_std_HEIGHT_OF(i, p) : ___stdlib_std_GET_HEIGHT_LOOP(___stdlib_std_INC(i), c, p)))
@define ___stdlib_std_EXPR_HEIGHT(p) ((p) < 0 || (p) >= __NUM_PLANES__ ? -1 : ((p) == 0 ? __HEIGHT__ : ___stdlib_std_DIV(__HEIGHT__, (__SUBSAMPLE_H__ ? 2 : 1))))
@define ___stdlib_std_get_height_(c, p) (defined(__SINGLEEXPR__) ? ___stdlib_std_GET_HEIGHT_LOOP(0, c, p) : ___stdlib_std_EXPR_HEIGHT(p))
function ___stdlib_std_get_height_expr(Value plane_idx) {
    return ___stdlib_std_get_height_(0, plane_idx)
}
function ___stdlib_std_get_height_single(Value clip_idx, Value plane_idx) {
    return ___stdlib_std_get_height_(clip_idx, plane_idx)
}
 
@define ___stdlib_std_BD_OF(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_BITDEPTH_, i), __)
@define ___stdlib_std_GET_BD_LOOP(i, c) (((i) >= __INPUT_NUM__ || (i) < 0) ? -1 : ((c) == (i) ? ___stdlib_std_BD_OF(i) : ___stdlib_std_GET_BD_LOOP(___stdlib_std_INC(i), c)))
function ___stdlib_std_get_bitdepth(Value clip_idx) {
    return ___stdlib_std_GET_BD_LOOP(0, clip_idx)
}
 
@define ___STDLIB_STD_cfUndefined 0
@define ___STDLIB_STD_cfGray 1
@define ___STDLIB_STD_cfRGB 2
@define ___STDLIB_STD_cfYUV 3
 
@define ___STDLIB_STD_stInteger 0
@define ___STDLIB_STD_stFloat 1
 
@define ___stdlib_std_SAMPLETYPE_OF(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_SAMPLETYPE_, i), __)
@define ___stdlib_std_GET_SAMPLETYPE_LOOP(i, c) (((i) >= __INPUT_NUM__ || (i) < 0) ? -1 : ((c) == (i) ? ___stdlib_std_SAMPLETYPE_OF(i) : ___stdlib_std_GET_SAMPLETYPE_LOOP(___stdlib_std_INC(i), c)))
function ___stdlib_std_get_sampletype(Value clip_idx) {
    return ___stdlib_std_GET_SAMPLETYPE_LOOP(0, clip_idx)
}
 
@define ___stdlib_std_CF_OF(i) ___stdlib_meta_PASTE(___stdlib_meta_PASTE(__INPUT_COLORFAMILY_, i), __)
@define ___stdlib_std_GET_CF_LOOP(i, c) (((i) >= __INPUT_NUM__ || (i) < 0) ? -1 : ((c) == (i) ? ___stdlib_std_CF_OF(i) : ___stdlib_std_GET_CF_LOOP(___stdlib_std_INC(i), c)))
function ___stdlib_std_get_colorfamily(Value clip_idx) {
    return ___stdlib_std_GET_CF_LOOP(0, clip_idx)
}