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Diffstat (limited to 'libavutil/color_utils.h')
-rw-r--r-- | libavutil/color_utils.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/libavutil/color_utils.h b/libavutil/color_utils.h deleted file mode 100644 index 9529006452..0000000000 --- a/libavutil/color_utils.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (c) 2015 Kevin Wheatley <kevin.j.wheatley@gmail.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_COLOR_UTILS_H -#define AVUTIL_COLOR_UTILS_H - - -#include "libavutil/pixfmt.h" - -/** - * Determine a suitable 'gamma' value to match the supplied - * AVColorTransferCharacteristic. - * - * See Apple Technical Note TN2257 (https://developer.apple.com/library/mac/technotes/tn2257/_index.html) - * - * @return Will return an approximation to the simple gamma function matching - * the supplied Transfer Characteristic, Will return 0.0 for any - * we cannot reasonably match against. - */ -double avpriv_get_gamma_from_trc(enum AVColorTransferCharacteristic trc); - - -typedef double (*avpriv_trc_function)(double); - -/** - * Determine the function needed to apply the given - * AVColorTransferCharacteristic to linear input. - * - * The function returned should expect a nominal domain and range of [0.0-1.0] - * values outside of this range maybe valid depending on the chosen - * characteristic function. - * - * @return Will return pointer to the function matching the - * supplied Transfer Characteristic. If unspecified will - * return NULL: - */ -avpriv_trc_function avpriv_get_trc_function_from_trc(enum AVColorTransferCharacteristic trc); - -#endif |