4 * Copyright (c) 2011 Carl Eugen Hoyos
6 * This file is part of FFmpeg.
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.
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.
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
23 #include "libavutil/intreadwrite.h"
27 static av_cold
int v308_encode_init(AVCodecContext
*avctx
)
29 if (avctx
->width
& 1) {
30 av_log(avctx
, AV_LOG_ERROR
, "v308 requires width to be even.\n");
31 return AVERROR_INVALIDDATA
;
34 avctx
->coded_frame
= av_frame_alloc();
36 if (!avctx
->coded_frame
) {
37 av_log(avctx
, AV_LOG_ERROR
, "Could not allocate frame.\n");
38 return AVERROR(ENOMEM
);
44 static int v308_encode_frame(AVCodecContext
*avctx
, AVPacket
*pkt
,
45 const AVFrame
*pic
, int *got_packet
)
51 if ((ret
= ff_alloc_packet2(avctx
, pkt
, avctx
->width
* avctx
->height
* 3)) < 0)
55 avctx
->coded_frame
->key_frame
= 1;
56 avctx
->coded_frame
->pict_type
= AV_PICTURE_TYPE_I
;
62 for (i
= 0; i
< avctx
->height
; i
++) {
63 for (j
= 0; j
< avctx
->width
; j
++) {
68 y
+= pic
->linesize
[0];
69 u
+= pic
->linesize
[1];
70 v
+= pic
->linesize
[2];
73 pkt
->flags
|= AV_PKT_FLAG_KEY
;
78 static av_cold
int v308_encode_close(AVCodecContext
*avctx
)
80 av_freep(&avctx
->coded_frame
);
85 AVCodec ff_v308_encoder
= {
87 .long_name
= NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),
88 .type
= AVMEDIA_TYPE_VIDEO
,
89 .id
= AV_CODEC_ID_V308
,
90 .init
= v308_encode_init
,
91 .encode2
= v308_encode_frame
,
92 .close
= v308_encode_close
,
93 .pix_fmts
= (const enum AVPixelFormat
[]){ AV_PIX_FMT_YUV444P
, AV_PIX_FMT_NONE
},