diff options
author | Christian Schneppe <christian@pix-art.de> | 2016-10-16 12:01:48 +0200 |
---|---|---|
committer | Christian Schneppe <christian@pix-art.de> | 2016-10-16 12:01:48 +0200 |
commit | 94a45d8458ac8e02c994a16023ecf026210a2bad (patch) | |
tree | 30edb2d9ba528414c943cc6f6e561af5f9ae9b96 /src/main/jni/ffmpeg/include/libavutil/display.h | |
parent | 0af5c054c386dcafeedded2c467b22b53afc1d0f (diff) |
delete unused libs
Diffstat (limited to '')
-rw-r--r-- | src/main/jni/ffmpeg/include/libavutil/display.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/src/main/jni/ffmpeg/include/libavutil/display.h b/src/main/jni/ffmpeg/include/libavutil/display.h deleted file mode 100644 index c0cfee326..000000000 --- a/src/main/jni/ffmpeg/include/libavutil/display.h +++ /dev/null @@ -1,86 +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 - */ - -#ifndef AVUTIL_DISPLAY_H -#define AVUTIL_DISPLAY_H - -#include <stdint.h> - -/** - * The display transformation matrix specifies an affine transformation that - * should be applied to video frames for correct presentation. It is compatible - * with the matrices stored in the ISO/IEC 14496-12 container format. - * - * The data is a 3x3 matrix represented as a 9-element array: - * - * | a b u | - * (a, b, u, c, d, v, x, y, w) -> | c d v | - * | x y w | - * - * All numbers are stored in native endianness, as 16.16 fixed-point values, - * except for u, v and w, which are stored as 2.30 fixed-point values. - * - * The transformation maps a point (p, q) in the source (pre-transformation) - * frame to the point (p', q') in the destination (post-transformation) frame as - * follows: - * | a b u | - * (p, q, 1) . | c d v | = z * (p', q', 1) - * | x y w | - * - * The transformation can also be more explicitly written in components as - * follows: - * p' = (a * p + c * q + x) / z; - * q' = (b * p + d * q + y) / z; - * z = u * p + v * q + w - */ - -/** - * Extract the rotation component of the transformation matrix. - * - * @param matrix the transformation matrix - * @return the angle (in degrees) by which the transformation rotates the frame - * counterclockwise. The angle will be in range [-180.0, 180.0], - * or NaN if the matrix is singular. - * - * @note floating point numbers are inherently inexact, so callers are - * recommended to round the return value to nearest integer before use. - */ -double av_display_rotation_get(const int32_t matrix[9]); - -/** - * Initialize a transformation matrix describing a pure counterclockwise - * rotation by the specified angle (in degrees). - * - * @param matrix an allocated transformation matrix (will be fully overwritten - * by this function) - * @param angle rotation angle in degrees. - */ -void av_display_rotation_set(int32_t matrix[9], double angle); - -/** - * Flip the input matrix horizontally and/or vertically. - * - * @param matrix an allocated transformation matrix - * @param hflip whether the matrix should be flipped horizontally - * @param vflip whether the matrix should be flipped vertically - */ -void av_display_matrix_flip(int32_t matrix[9], int hflip, int vflip); - -#endif /* AVUTIL_DISPLAY_H */ |