Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/v408enc.c |
Date: | 2022-07-05 19:52:29 |
Exec | Total | Coverage | |
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Lines: | 25 | 30 | 83.3% |
Branches: | 6 | 8 | 75.0% |
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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 | |||
31 | 4 | static av_cold int v408_encode_init(AVCodecContext *avctx) | |
32 | { | ||
33 | 4 | avctx->bits_per_coded_sample = 32; | |
34 | 4 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); | |
35 | |||
36 | 4 | return 0; | |
37 | } | ||
38 | |||
39 | 200 | 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 | 200 | ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0); | |
47 |
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200 | if (ret < 0) |
48 | ✗ | return ret; | |
49 | 200 | dst = pkt->data; | |
50 | |||
51 | 200 | y = pic->data[0]; | |
52 | 200 | u = pic->data[1]; | |
53 | 200 | v = pic->data[2]; | |
54 | 200 | a = pic->data[3]; | |
55 | |||
56 |
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45100 | for (i = 0; i < avctx->height; i++) { |
57 |
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15309100 | for (j = 0; j < avctx->width; j++) { |
58 |
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15264200 | 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 | 15264200 | *dst++ = u[j]; | |
65 | 15264200 | *dst++ = y[j]; | |
66 | 15264200 | *dst++ = v[j]; | |
67 | 15264200 | *dst++ = a[j]; | |
68 | } | ||
69 | } | ||
70 | 44900 | y += pic->linesize[0]; | |
71 | 44900 | u += pic->linesize[1]; | |
72 | 44900 | v += pic->linesize[2]; | |
73 | 44900 | a += pic->linesize[3]; | |
74 | } | ||
75 | |||
76 | 200 | *got_packet = 1; | |
77 | 200 | 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 |