/src/ffmpeg/libavcodec/v308enc.c
Line | Count | Source |
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 "codec_internal.h" |
26 | | #include "encode.h" |
27 | | #include "internal.h" |
28 | | |
29 | | static av_cold int v308_encode_init(AVCodecContext *avctx) |
30 | 200 | { |
31 | 200 | if (avctx->width & 1) { |
32 | 5 | av_log(avctx, AV_LOG_ERROR, "v308 requires width to be even.\n"); |
33 | 5 | return AVERROR_INVALIDDATA; |
34 | 5 | } |
35 | | |
36 | 195 | av_log(avctx, AV_LOG_WARNING, "This encoder is deprecated and will be removed.\n"); |
37 | | |
38 | 195 | avctx->bits_per_coded_sample = 24; |
39 | 195 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); |
40 | | |
41 | 195 | return 0; |
42 | 200 | } |
43 | | |
44 | | static int v308_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
45 | | const AVFrame *pic, int *got_packet) |
46 | 6.02k | { |
47 | 6.02k | uint8_t *dst; |
48 | 6.02k | const uint8_t *y, *u, *v; |
49 | 6.02k | int i, j, ret; |
50 | | |
51 | 6.02k | ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 3, 0); |
52 | 6.02k | if (ret < 0) |
53 | 0 | return ret; |
54 | 6.02k | dst = pkt->data; |
55 | | |
56 | 6.02k | y = pic->data[0]; |
57 | 6.02k | u = pic->data[1]; |
58 | 6.02k | v = pic->data[2]; |
59 | | |
60 | 1.60M | for (i = 0; i < avctx->height; i++) { |
61 | 11.9M | for (j = 0; j < avctx->width; j++) { |
62 | 10.3M | *dst++ = v[j]; |
63 | 10.3M | *dst++ = y[j]; |
64 | 10.3M | *dst++ = u[j]; |
65 | 10.3M | } |
66 | 1.60M | y += pic->linesize[0]; |
67 | 1.60M | u += pic->linesize[1]; |
68 | 1.60M | v += pic->linesize[2]; |
69 | 1.60M | } |
70 | | |
71 | 6.02k | *got_packet = 1; |
72 | 6.02k | return 0; |
73 | 6.02k | } |
74 | | |
75 | | const FFCodec ff_v308_encoder = { |
76 | | .p.name = "v308", |
77 | | CODEC_LONG_NAME("Uncompressed packed 4:4:4"), |
78 | | .p.type = AVMEDIA_TYPE_VIDEO, |
79 | | .p.id = AV_CODEC_ID_V308, |
80 | | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, |
81 | | .init = v308_encode_init, |
82 | | FF_CODEC_ENCODE_CB(v308_encode_frame), |
83 | | CODEC_PIXFMTS(AV_PIX_FMT_YUV444P), |
84 | | }; |