1 /*
2 * XBM image format
3 *
4 * Copyright (c) 2012 Paul B Mahol
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
28
29 #define ANSI_MIN_READLINE 509
30
32 const AVFrame *p,
int *got_packet)
33 {
34 int i, j, l, commas,
ret,
size, linesize, lineout, rowsout;
35 uint8_t *ptr, *buf;
36
37 linesize = lineout = (avctx->
width + 7) / 8;
38 commas = avctx->
height * linesize;
39
40 /* ANSI worst case minimum readline is 509 chars. */
44 rowsout = (commas + lineout - 1) / lineout;
45 }
46
47 size = rowsout * (lineout * 6 + 1) + 106;
50
53
54 buf +=
snprintf(buf, 32,
"#define image_width %u\n", avctx->
width);
55 buf +=
snprintf(buf, 33,
"#define image_height %u\n", avctx->
height);
56 buf +=
snprintf(buf, 39,
"static unsigned char image_bits[] = {\n");
57 for (
i = 0, l = lineout;
i < avctx->
height;
i++) {
58 for (j = 0; j < linesize; j++) {
60 if (--commas <= 0) {
62 break;
63 }
65 if (--l <= 0) {
67 l = lineout;
68 }
69 }
71 }
73
75 *got_packet = 1;
76 return 0;
77 }
78
87 };