1 |
|
|
/* |
2 |
|
|
* v410 encoder |
3 |
|
|
* |
4 |
|
|
* Copyright (c) 2011 Derek Buitenhuis |
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/common.h" |
24 |
|
|
#include "libavutil/intreadwrite.h" |
25 |
|
|
#include "avcodec.h" |
26 |
|
|
#include "internal.h" |
27 |
|
|
|
28 |
|
1 |
static av_cold int v410_encode_init(AVCodecContext *avctx) |
29 |
|
|
{ |
30 |
✗✓ |
1 |
if (avctx->width & 1) { |
31 |
|
|
av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n"); |
32 |
|
|
return AVERROR_INVALIDDATA; |
33 |
|
|
} |
34 |
|
|
|
35 |
|
1 |
avctx->bits_per_coded_sample = 32; |
36 |
|
1 |
avctx->bit_rate = ff_guess_coded_bitrate(avctx); |
37 |
|
|
|
38 |
|
1 |
return 0; |
39 |
|
|
} |
40 |
|
|
|
41 |
|
50 |
static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
42 |
|
|
const AVFrame *pic, int *got_packet) |
43 |
|
|
{ |
44 |
|
|
uint8_t *dst; |
45 |
|
|
uint16_t *y, *u, *v; |
46 |
|
|
uint32_t val; |
47 |
|
|
int i, j, ret; |
48 |
|
|
|
49 |
✗✓ |
50 |
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4, |
50 |
|
50 |
avctx->width * avctx->height * 4)) < 0) |
51 |
|
|
return ret; |
52 |
|
50 |
dst = pkt->data; |
53 |
|
|
|
54 |
|
|
#if FF_API_CODED_FRAME |
55 |
|
|
FF_DISABLE_DEPRECATION_WARNINGS |
56 |
|
50 |
avctx->coded_frame->key_frame = 1; |
57 |
|
50 |
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
58 |
|
|
FF_ENABLE_DEPRECATION_WARNINGS |
59 |
|
|
#endif |
60 |
|
|
|
61 |
|
50 |
y = (uint16_t *)pic->data[0]; |
62 |
|
50 |
u = (uint16_t *)pic->data[1]; |
63 |
|
50 |
v = (uint16_t *)pic->data[2]; |
64 |
|
|
|
65 |
✓✓ |
14450 |
for (i = 0; i < avctx->height; i++) { |
66 |
✓✓ |
5083200 |
for (j = 0; j < avctx->width; j++) { |
67 |
|
5068800 |
val = u[j] << 2; |
68 |
|
5068800 |
val |= y[j] << 12; |
69 |
|
5068800 |
val |= (uint32_t) v[j] << 22; |
70 |
|
5068800 |
AV_WL32(dst, val); |
71 |
|
5068800 |
dst += 4; |
72 |
|
|
} |
73 |
|
14400 |
y += pic->linesize[0] >> 1; |
74 |
|
14400 |
u += pic->linesize[1] >> 1; |
75 |
|
14400 |
v += pic->linesize[2] >> 1; |
76 |
|
|
} |
77 |
|
|
|
78 |
|
50 |
pkt->flags |= AV_PKT_FLAG_KEY; |
79 |
|
50 |
*got_packet = 1; |
80 |
|
50 |
return 0; |
81 |
|
|
} |
82 |
|
|
|
83 |
|
|
AVCodec ff_v410_encoder = { |
84 |
|
|
.name = "v410", |
85 |
|
|
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"), |
86 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
87 |
|
|
.id = AV_CODEC_ID_V410, |
88 |
|
|
.init = v410_encode_init, |
89 |
|
|
.encode2 = v410_encode_frame, |
90 |
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE }, |
91 |
|
|
}; |