Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Raw Video Encoder | |
3 | * Copyright (c) 2001 Fabrice Bellard | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | /** | |
23 | * @file | |
24 | * Raw Video Encoder | |
25 | */ | |
26 | ||
27 | #include "avcodec.h" | |
28 | #include "raw.h" | |
29 | #include "internal.h" | |
30 | #include "libavutil/pixdesc.h" | |
31 | #include "libavutil/intreadwrite.h" | |
32 | #include "libavutil/internal.h" | |
33 | ||
34 | static av_cold int raw_encode_init(AVCodecContext *avctx) | |
35 | { | |
36 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
37 | ||
38 | avctx->coded_frame = av_frame_alloc(); | |
39 | avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; | |
40 | avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc); | |
41 | if(!avctx->codec_tag) | |
42 | avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt); | |
43 | return 0; | |
44 | } | |
45 | ||
46 | static int raw_encode(AVCodecContext *avctx, AVPacket *pkt, | |
47 | const AVFrame *frame, int *got_packet) | |
48 | { | |
49 | int ret = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); | |
50 | ||
51 | if (ret < 0) | |
52 | return ret; | |
53 | ||
54 | if ((ret = ff_alloc_packet2(avctx, pkt, ret)) < 0) | |
55 | return ret; | |
56 | if ((ret = avpicture_layout((const AVPicture *)frame, avctx->pix_fmt, avctx->width, | |
57 | avctx->height, pkt->data, pkt->size)) < 0) | |
58 | return ret; | |
59 | ||
60 | if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 && | |
61 | avctx->pix_fmt == AV_PIX_FMT_YUYV422) { | |
62 | int x; | |
63 | for(x = 1; x < avctx->height*avctx->width*2; x += 2) | |
64 | pkt->data[x] ^= 0x80; | |
65 | } | |
66 | pkt->flags |= AV_PKT_FLAG_KEY; | |
67 | *got_packet = 1; | |
68 | return 0; | |
69 | } | |
70 | ||
71 | static av_cold int raw_close(AVCodecContext *avctx) | |
72 | { | |
73 | av_frame_free(&avctx->coded_frame); | |
74 | return 0; | |
75 | } | |
76 | ||
77 | AVCodec ff_rawvideo_encoder = { | |
78 | .name = "rawvideo", | |
79 | .long_name = NULL_IF_CONFIG_SMALL("raw video"), | |
80 | .type = AVMEDIA_TYPE_VIDEO, | |
81 | .id = AV_CODEC_ID_RAWVIDEO, | |
82 | .init = raw_encode_init, | |
83 | .encode2 = raw_encode, | |
84 | .close = raw_close, | |
85 | }; |