1 /*
2 * libquicktime yuv4 encoder
3 *
4 * Copyright (c) 2011 Carl Eugen Hoyos
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
26
28 const AVFrame *pic,
int *got_packet)
29 {
30 uint8_t *dst;
33
35 * (avctx->
height + 1 >> 1), 0);
39
43
44 for (
i = 0;
i < avctx->
height + 1 >> 1;
i++) {
45 for (j = 0; j < avctx->
width + 1 >> 1; j++) {
47 *dst++ = v[j] ^ 0x80;
48 *dst++ = y[ 2 * j ];
49 *dst++ = y[ 2 * j + 1];
50 *dst++ = y[pic->
linesize[0] + 2 * j ];
51 *dst++ = y[pic->
linesize[0] + 2 * j + 1];
52 }
56 }
57
58 *got_packet = 1;
59 return 0;
60 }
61
70 };