4 * Copyright (c) 2012 Paul B Mahol
6 * This file is part of FFmpeg.
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.
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.
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
27 static int xbm_encode_frame(AVCodecContext
*avctx
, AVPacket
*pkt
,
28 const AVFrame
*p
, int *got_packet
)
30 int i
, j
, ret
, size
, linesize
;
33 linesize
= (avctx
->width
+ 7) / 8;
34 size
= avctx
->height
* (linesize
* 7 + 2) + 110;
35 if ((ret
= ff_alloc_packet2(avctx
, pkt
, size
)) < 0)
41 buf
+= snprintf(buf
, 32, "#define image_width %u\n", avctx
->width
);
42 buf
+= snprintf(buf
, 33, "#define image_height %u\n", avctx
->height
);
43 buf
+= snprintf(buf
, 40, "static unsigned char image_bits[] = {\n");
44 for (i
= 0; i
< avctx
->height
; i
++) {
45 for (j
= 0; j
< linesize
; j
++)
46 buf
+= snprintf(buf
, 7, " 0x%02X,", ff_reverse
[*ptr
++]);
47 ptr
+= p
->linesize
[0] - linesize
;
48 buf
+= snprintf(buf
, 2, "\n");
50 buf
+= snprintf(buf
, 5, " };\n");
52 pkt
->size
= buf
- pkt
->data
;
53 pkt
->flags
|= AV_PKT_FLAG_KEY
;
58 AVCodec ff_xbm_encoder
= {
60 .long_name
= NULL_IF_CONFIG_SMALL("XBM (X BitMap) image"),
61 .type
= AVMEDIA_TYPE_VIDEO
,
62 .id
= AV_CODEC_ID_XBM
,
63 .encode2
= xbm_encode_frame
,
64 .pix_fmts
= (const enum AVPixelFormat
[]) { AV_PIX_FMT_MONOWHITE
,