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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 | 4 | static av_cold int v308_encode_init(AVCodecContext *avctx) | |
30 | { | ||
31 |
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4 | if (avctx->width & 1) { |
32 | ✗ | av_log(avctx, AV_LOG_ERROR, "v308 requires width to be even.\n"); | |
33 | ✗ | return AVERROR_INVALIDDATA; | |
34 | } | ||
35 | |||
36 | 4 | avctx->bits_per_coded_sample = 24; | |
37 | 4 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); | |
38 | |||
39 | 4 | return 0; | |
40 | } | ||
41 | |||
42 | 200 | static int v308_encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
43 | const AVFrame *pic, int *got_packet) | ||
44 | { | ||
45 | uint8_t *dst; | ||
46 | const uint8_t *y, *u, *v; | ||
47 | int i, j, ret; | ||
48 | |||
49 | 200 | ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 3, 0); | |
50 |
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200 | if (ret < 0) |
51 | ✗ | return ret; | |
52 | 200 | dst = pkt->data; | |
53 | |||
54 | 200 | y = pic->data[0]; | |
55 | 200 | u = pic->data[1]; | |
56 | 200 | v = pic->data[2]; | |
57 | |||
58 |
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45100 | for (i = 0; i < avctx->height; i++) { |
59 |
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15309100 | for (j = 0; j < avctx->width; j++) { |
60 | 15264200 | *dst++ = v[j]; | |
61 | 15264200 | *dst++ = y[j]; | |
62 | 15264200 | *dst++ = u[j]; | |
63 | } | ||
64 | 44900 | y += pic->linesize[0]; | |
65 | 44900 | u += pic->linesize[1]; | |
66 | 44900 | v += pic->linesize[2]; | |
67 | } | ||
68 | |||
69 | 200 | *got_packet = 1; | |
70 | 200 | return 0; | |
71 | } | ||
72 | |||
73 | const FFCodec ff_v308_encoder = { | ||
74 | .p.name = "v308", | ||
75 | CODEC_LONG_NAME("Uncompressed packed 4:4:4"), | ||
76 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
77 | .p.id = AV_CODEC_ID_V308, | ||
78 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
79 | .init = v308_encode_init, | ||
80 | FF_CODEC_ENCODE_CB(v308_encode_frame), | ||
81 | .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE }, | ||
82 | }; | ||
83 |