1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* V210 encoder
*
* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "encode.h"
#include "internal.h"
#include "v210enc.h"
#include "v210enc_init.h"
#define TYPE uint8_t
#define DEPTH 8
#define BYTES_PER_PIXEL 1
#define RENAME(a) a ## _ ## 8
#include "v210_template.c"
#undef RENAME
#undef DEPTH
#undef BYTES_PER_PIXEL
#undef TYPE
#define TYPE uint16_t
#define DEPTH 10
#define BYTES_PER_PIXEL 2
#define RENAME(a) a ## _ ## 10
#include "v210_template.c"
#undef RENAME
#undef DEPTH
#undef BYTES_PER_PIXEL
#undef TYPE
static av_cold int encode_init(AVCodecContext *avctx)
{
V210EncContext *s = avctx->priv_data;
if (avctx->width & 1) {
av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
return AVERROR(EINVAL);
}
ff_v210enc_init(s);
avctx->bits_per_coded_sample = 20;
avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
return 0;
}
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pic, int *got_packet)
{
int aligned_width = ((avctx->width + 47) / 48) * 48;
int stride = aligned_width * 8 / 3;
AVFrameSideData *side_data;
int ret;
uint8_t *dst;
ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
return ret;
}
dst = pkt->data;
if (pic->format == AV_PIX_FMT_YUV422P10)
v210_enc_10(avctx, dst, pic);
else if(pic->format == AV_PIX_FMT_YUV422P)
v210_enc_8(avctx, dst, pic);
side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
if (side_data && side_data->size) {
uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
if (!buf)
return AVERROR(ENOMEM);
memcpy(buf, side_data->data, side_data->size);
}
side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
if (side_data && side_data->size) {
uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
if (!buf)
return AVERROR(ENOMEM);
memcpy(buf, side_data->data, side_data->size);
}
*got_packet = 1;
return 0;
}
const FFCodec ff_v210_encoder = {
.p.name = "v210",
.p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_V210,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
.priv_data_size = sizeof(V210EncContext),
.init = encode_init,
FF_CODEC_ENCODE_CB(encode_frame),
.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};
|
