3 * Copyright (c) 2011 Carl Eugen Hoyos
5 * This file is part of FFmpeg.
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.
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.
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
25 static av_cold int v308_decode_init(AVCodecContext *avctx)
27 avctx->pix_fmt = AV_PIX_FMT_YUV444P;
30 av_log(avctx, AV_LOG_WARNING, "v308 requires width to be even.\n");
35 static int v308_decode_frame(AVCodecContext *avctx, void *data,
36 int *got_frame, AVPacket *avpkt)
39 const uint8_t *src = avpkt->data;
43 if (avpkt->size < 3 * avctx->height * avctx->width) {
44 av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
45 return AVERROR(EINVAL);
48 if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
52 pic->pict_type = AV_PICTURE_TYPE_I;
58 for (i = 0; i < avctx->height; i++) {
59 for (j = 0; j < avctx->width; j++) {
65 y += pic->linesize[0];
66 u += pic->linesize[1];
67 v += pic->linesize[2];
75 AVCodec ff_v308_decoder = {
77 .type = AVMEDIA_TYPE_VIDEO,
78 .id = AV_CODEC_ID_V308,
79 .init = v308_decode_init,
80 .decode = v308_decode_frame,
81 .capabilities = CODEC_CAP_DR1,
82 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),