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 = avcodec_alloc_frame();
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->reference = 0;
56 avctx->coded_frame->key_frame = 1;
57 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
63 for (i = 0; i < avctx->height; i++) {
64 for (j = 0; j < avctx->width; j++) {
69 y += pic->linesize[0];
70 u += pic->linesize[1];
71 v += pic->linesize[2];
74 pkt->flags |= AV_PKT_FLAG_KEY;
79 static av_cold int v308_encode_close(AVCodecContext *avctx)
81 av_freep(&avctx->coded_frame);
86 AVCodec ff_v308_encoder = {
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 },
94 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),