1 |
|
|
/* |
2 |
|
|
* v308 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 |
|
|
|
23 |
|
|
#include "libavutil/intreadwrite.h" |
24 |
|
|
#include "avcodec.h" |
25 |
|
|
#include "internal.h" |
26 |
|
|
|
27 |
|
4 |
static av_cold int v308_encode_init(AVCodecContext *avctx) |
28 |
|
|
{ |
29 |
✗✓ |
4 |
if (avctx->width & 1) { |
30 |
|
|
av_log(avctx, AV_LOG_ERROR, "v308 requires width to be even.\n"); |
31 |
|
|
return AVERROR_INVALIDDATA; |
32 |
|
|
} |
33 |
|
|
|
34 |
|
4 |
avctx->bits_per_coded_sample = 24; |
35 |
|
4 |
avctx->bit_rate = ff_guess_coded_bitrate(avctx); |
36 |
|
|
|
37 |
|
4 |
return 0; |
38 |
|
|
} |
39 |
|
|
|
40 |
|
200 |
static int v308_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
41 |
|
|
const AVFrame *pic, int *got_packet) |
42 |
|
|
{ |
43 |
|
|
uint8_t *dst; |
44 |
|
|
uint8_t *y, *u, *v; |
45 |
|
|
int i, j, ret; |
46 |
|
|
|
47 |
✗✓ |
200 |
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 3, 0)) < 0) |
48 |
|
|
return ret; |
49 |
|
200 |
dst = pkt->data; |
50 |
|
|
|
51 |
|
200 |
y = pic->data[0]; |
52 |
|
200 |
u = pic->data[1]; |
53 |
|
200 |
v = pic->data[2]; |
54 |
|
|
|
55 |
✓✓ |
45100 |
for (i = 0; i < avctx->height; i++) { |
56 |
✓✓ |
15309100 |
for (j = 0; j < avctx->width; j++) { |
57 |
|
15264200 |
*dst++ = v[j]; |
58 |
|
15264200 |
*dst++ = y[j]; |
59 |
|
15264200 |
*dst++ = u[j]; |
60 |
|
|
} |
61 |
|
44900 |
y += pic->linesize[0]; |
62 |
|
44900 |
u += pic->linesize[1]; |
63 |
|
44900 |
v += pic->linesize[2]; |
64 |
|
|
} |
65 |
|
|
|
66 |
|
200 |
pkt->flags |= AV_PKT_FLAG_KEY; |
67 |
|
200 |
*got_packet = 1; |
68 |
|
200 |
return 0; |
69 |
|
|
} |
70 |
|
|
|
71 |
|
|
AVCodec ff_v308_encoder = { |
72 |
|
|
.name = "v308", |
73 |
|
|
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"), |
74 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
75 |
|
|
.id = AV_CODEC_ID_V308, |
76 |
|
|
.init = v308_encode_init, |
77 |
|
|
.encode2 = v308_encode_frame, |
78 |
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE }, |
79 |
|
|
}; |