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"
26 static av_cold int v308_encode_init(AVCodecContext *avctx)
28 if (avctx->width & 1) {
29 av_log(avctx, AV_LOG_ERROR, "v308 requires width to be even.\n");
30 return AVERROR_INVALIDDATA;
33 avctx->coded_frame = avcodec_alloc_frame();
35 if (!avctx->coded_frame) {
36 av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
37 return AVERROR(ENOMEM);
43 static int v308_encode_frame(AVCodecContext *avctx, uint8_t *buf,
44 int buf_size, void *data)
52 if (buf_size < avctx->width * avctx->height * 3) {
53 av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
54 return AVERROR(ENOMEM);
57 avctx->coded_frame->reference = 0;
58 avctx->coded_frame->key_frame = 1;
59 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
65 for (i = 0; i < avctx->height; i++) {
66 for (j = 0; j < avctx->width; j++) {
72 y += pic->linesize[0];
73 u += pic->linesize[1];
74 v += pic->linesize[2];
80 static av_cold int v308_encode_close(AVCodecContext *avctx)
82 av_freep(&avctx->coded_frame);
87 AVCodec ff_v308_encoder = {
89 .type = AVMEDIA_TYPE_VIDEO,
91 .init = v308_encode_init,
92 .encode = v308_encode_frame,
93 .close = v308_encode_close,
94 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV444P, PIX_FMT_NONE },
95 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),