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authorTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
committerTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
commit741fb4b9e135cfb161a749db88713229038577bb (patch)
tree08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/tests/utils.c
parenta2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff)
making act segmenter
Diffstat (limited to 'ffmpeg1/tests/utils.c')
-rw-r--r--ffmpeg1/tests/utils.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/ffmpeg1/tests/utils.c b/ffmpeg1/tests/utils.c
deleted file mode 100644
index e8ef06f..0000000
--- a/ffmpeg1/tests/utils.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * copyright (c) Sebastien Bechet <s.bechet@av7.net>
- *
- * 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 <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define SCALEBITS 8
-#define ONE_HALF (1 << (SCALEBITS - 1))
-#define FIX(x) ((int) ((x) * (1L << SCALEBITS) + 0.5))
-
-#define err_if(expr) do { \
- if (expr) { \
- fprintf(stderr, "%s\n", strerror(errno)); \
- exit(1); \
- } \
-} while (0)
-
-static void rgb24_to_yuv420p(unsigned char *lum, unsigned char *cb,
- unsigned char *cr, unsigned char *src,
- int width, int height)
-{
- int wrap, wrap3, x, y;
- int r, g, b, r1, g1, b1;
- unsigned char *p;
-
- wrap = width;
- wrap3 = width * 3;
- p = src;
- for (y = 0; y < height; y += 2) {
- for (x = 0; x < width; x += 2) {
- r = p[0];
- g = p[1];
- b = p[2];
- r1 = r;
- g1 = g;
- b1 = b;
- lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
- r = p[3];
- g = p[4];
- b = p[5];
- r1 += r;
- g1 += g;
- b1 += b;
- lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
- p += wrap3;
- lum += wrap;
-
- r = p[0];
- g = p[1];
- b = p[2];
- r1 += r;
- g1 += g;
- b1 += b;
- lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
- r = p[3];
- g = p[4];
- b = p[5];
- r1 += r;
- g1 += g;
- b1 += b;
- lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
- FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
-
- cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
- FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
- cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
- FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
-
- cb++;
- cr++;
- p += -wrap3 + 2 * 3;
- lum += -wrap + 2;
- }
- p += wrap3;
- lum += wrap;
- }
-}
-
-/* cif format */
-#define DEFAULT_WIDTH 352
-#define DEFAULT_HEIGHT 288
-#define DEFAULT_NB_PICT 50
-
-static void pgmyuv_save(const char *filename, int w, int h,
- unsigned char *rgb_tab)
-{
- FILE *f;
- int i, h2, w2;
- unsigned char *cb, *cr;
- unsigned char *lum_tab, *cb_tab, *cr_tab;
-
- lum_tab = malloc(w * h);
- cb_tab = malloc(w * h / 4);
- cr_tab = malloc(w * h / 4);
-
- rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
-
- if (filename) {
- f = fopen(filename, "wb");
- fprintf(f, "P5\n%d %d\n%d\n", w, h * 3 / 2, 255);
- } else {
- f = stdout;
- }
-
- err_if(fwrite(lum_tab, 1, w * h, f) != w * h);
- h2 = h / 2;
- w2 = w / 2;
- cb = cb_tab;
- cr = cr_tab;
-
- if (filename) {
- for (i = 0; i < h2; i++) {
- err_if(fwrite(cb, 1, w2, f) != w2);
- err_if(fwrite(cr, 1, w2, f) != w2);
- cb += w2;
- cr += w2;
- }
- fclose(f);
- } else {
- for (i = 0; i < h2; i++) {
- err_if(fwrite(cb, 1, w2, f) != w2);
- cb += w2;
- }
- for (i = 0; i < h2; i++) {
- err_if(fwrite(cr, 1, w2, f) != w2);
- cr += w2;
- }
- }
-
- free(lum_tab);
- free(cb_tab);
- free(cr_tab);
-}
-
-static unsigned char *rgb_tab;
-static int width, height, wrap;
-
-static void put_pixel(int x, int y, int r, int g, int b)
-{
- unsigned char *p;
-
- if (x < 0 || x >= width ||
- y < 0 || y >= height)
- return;
-
- p = rgb_tab + y * wrap + x * 3;
- p[0] = r;
- p[1] = g;
- p[2] = b;
-}