1 /*
2 * v408 encoder
3 *
4 * Copyright (c) 2012 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 "config_components.h"
24
25 #include "libavutil/intreadwrite.h"
26 #include "avcodec.h"
27 #include "codec_internal.h"
28 #include "encode.h"
29 #include "internal.h"
30
v408_encode_init(AVCodecContext * avctx)31 static av_cold int v408_encode_init(AVCodecContext *avctx)
32 {
33 avctx->bits_per_coded_sample = 32;
34 avctx->bit_rate = ff_guess_coded_bitrate(avctx);
35
36 return 0;
37 }
38
v408_encode_frame(AVCodecContext * avctx,AVPacket * pkt,const AVFrame * pic,int * got_packet)39 static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
40 const AVFrame *pic, int *got_packet)
41 {
42 uint8_t *dst;
43 uint8_t *y, *u, *v, *a;
44 int i, j, ret;
45
46 ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0);
47 if (ret < 0)
48 return ret;
49 dst = pkt->data;
50
51 y = pic->data[0];
52 u = pic->data[1];
53 v = pic->data[2];
54 a = pic->data[3];
55
56 for (i = 0; i < avctx->height; i++) {
57 for (j = 0; j < avctx->width; j++) {
58 if (avctx->codec_id==AV_CODEC_ID_AYUV) {
59 *dst++ = v[j];
60 *dst++ = u[j];
61 *dst++ = y[j];
62 *dst++ = a[j];
63 } else {
64 *dst++ = u[j];
65 *dst++ = y[j];
66 *dst++ = v[j];
67 *dst++ = a[j];
68 }
69 }
70 y += pic->linesize[0];
71 u += pic->linesize[1];
72 v += pic->linesize[2];
73 a += pic->linesize[3];
74 }
75
76 *got_packet = 1;
77 return 0;
78 }
79
80 static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE };
81
82 #if CONFIG_AYUV_ENCODER
83 const FFCodec ff_ayuv_encoder = {
84 .p.name = "ayuv",
85 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
86 .p.type = AVMEDIA_TYPE_VIDEO,
87 .p.id = AV_CODEC_ID_AYUV,
88 .p.capabilities = AV_CODEC_CAP_DR1,
89 .init = v408_encode_init,
90 FF_CODEC_ENCODE_CB(v408_encode_frame),
91 .p.pix_fmts = pix_fmt,
92 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
93 };
94 #endif
95 #if CONFIG_V408_ENCODER
96 const FFCodec ff_v408_encoder = {
97 .p.name = "v408",
98 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),
99 .p.type = AVMEDIA_TYPE_VIDEO,
100 .p.id = AV_CODEC_ID_V408,
101 .p.capabilities = AV_CODEC_CAP_DR1,
102 .init = v408_encode_init,
103 FF_CODEC_ENCODE_CB(v408_encode_frame),
104 .p.pix_fmts = pix_fmt,
105 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
106 };
107 #endif
108