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authortrav90 <travawine@protonmail.ch>2018-04-26 16:50:57 -0500
committertrav90 <travawine@protonmail.ch>2018-04-26 16:50:57 -0500
commitccdde52530d10077a0a2489e256ff033d656630c (patch)
treee5244a5eeb329a89a575c57bc46b458759ba0618 /media/ffvpx/libavutil/display.c
parent8b37a1bc306c1d5a3cc92e9dc04fb95d5d9a0298 (diff)
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[ffvpx] Remove some files we don't need
Diffstat (limited to 'media/ffvpx/libavutil/display.c')
-rw-r--r--media/ffvpx/libavutil/display.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/media/ffvpx/libavutil/display.c b/media/ffvpx/libavutil/display.c
deleted file mode 100644
index a0076e067..000000000
--- a/media/ffvpx/libavutil/display.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2014 Vittorio Giovara <vittorio.giovara@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
- */
-
-#include <stdint.h>
-#include <string.h>
-#include <math.h>
-
-#include "display.h"
-#include "mathematics.h"
-
-// fixed point to double
-#define CONV_FP(x) ((double) (x)) / (1 << 16)
-
-// double to fixed point
-#define CONV_DB(x) (int32_t) ((x) * (1 << 16))
-
-double av_display_rotation_get(const int32_t matrix[9])
-{
- double rotation, scale[2];
-
- scale[0] = hypot(CONV_FP(matrix[0]), CONV_FP(matrix[3]));
- scale[1] = hypot(CONV_FP(matrix[1]), CONV_FP(matrix[4]));
-
- if (scale[0] == 0.0 || scale[1] == 0.0)
- return NAN;
-
- rotation = atan2(CONV_FP(matrix[1]) / scale[1],
- CONV_FP(matrix[0]) / scale[0]) * 180 / M_PI;
-
- return -rotation;
-}
-
-void av_display_rotation_set(int32_t matrix[9], double angle)
-{
- double radians = -angle * M_PI / 180.0f;
- double c = cos(radians);
- double s = sin(radians);
-
- memset(matrix, 0, 9 * sizeof(int32_t));
-
- matrix[0] = CONV_DB(c);
- matrix[1] = CONV_DB(-s);
- matrix[3] = CONV_DB(s);
- matrix[4] = CONV_DB(c);
- matrix[8] = 1 << 30;
-}
-
-void av_display_matrix_flip(int32_t matrix[9], int hflip, int vflip)
-{
- int i;
- const int flip[] = { 1 - 2 * (!!hflip), 1 - 2 * (!!vflip), 1 };
-
- if (hflip || vflip)
- for (i = 0; i < 9; i++)
- matrix[i] *= flip[i % 3];
-}