1 /*
2 * V210 encoder
3 *
4 * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 *
7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #include "avcodec.h"
25 #include "bytestream.h"
26 #include "codec_internal.h"
27 #include "encode.h"
28 #include "internal.h"
29 #include "v210enc.h"
30 #include "v210enc_init.h"
31
32 #define TYPE uint8_t
33 #define DEPTH 8
34 #define BYTES_PER_PIXEL 1
35 #define RENAME(a) a ## _ ## 8
36 #include "v210_template.c"
37 #undef RENAME
38 #undef DEPTH
39 #undef BYTES_PER_PIXEL
40 #undef TYPE
41
42 #define TYPE uint16_t
43 #define DEPTH 10
44 #define BYTES_PER_PIXEL 2
45 #define RENAME(a) a ## _ ## 10
46 #include "v210_template.c"
47 #undef RENAME
48 #undef DEPTH
49 #undef BYTES_PER_PIXEL
50 #undef TYPE
51
encode_init(AVCodecContext *avctx)52 static av_cold int encode_init(AVCodecContext *avctx)
53 {
54 V210EncContext *s = avctx->priv_data;
55
56 if (avctx->width & 1) {
57 av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
58 return AVERROR(EINVAL);
59 }
60
61 ff_v210enc_init(s);
62
63 avctx->bits_per_coded_sample = 20;
64 avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
65
66 return 0;
67 }
68
encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)69 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
70 const AVFrame *pic, int *got_packet)
71 {
72 int aligned_width = ((avctx->width + 47) / 48) * 48;
73 int stride = aligned_width * 8 / 3;
74 AVFrameSideData *side_data;
75 int ret;
76 uint8_t *dst;
77
78 ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0);
79 if (ret < 0) {
80 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
81 return ret;
82 }
83 dst = pkt->data;
84
85 if (pic->format == AV_PIX_FMT_YUV422P10)
86 v210_enc_10(avctx, dst, pic);
87 else if(pic->format == AV_PIX_FMT_YUV422P)
88 v210_enc_8(avctx, dst, pic);
89
90 side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
91 if (side_data && side_data->size) {
92 uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
93 if (!buf)
94 return AVERROR(ENOMEM);
95 memcpy(buf, side_data->data, side_data->size);
96 }
97
98 side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
99 if (side_data && side_data->size) {
100 uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
101 if (!buf)
102 return AVERROR(ENOMEM);
103 memcpy(buf, side_data->data, side_data->size);
104 }
105
106 *got_packet = 1;
107 return 0;
108 }
109
110 const FFCodec ff_v210_encoder = {
111 .p.name = "v210",
112 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
113 .p.type = AVMEDIA_TYPE_VIDEO,
114 .p.id = AV_CODEC_ID_V210,
115 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
116 .priv_data_size = sizeof(V210EncContext),
117 .init = encode_init,
118 FF_CODEC_ENCODE_CB(encode_frame),
119 .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
120 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
121 };
122