4 * Copyright (c) 2011 Derek Buitenhuis
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/common.h"
24 #include "libavutil/intreadwrite.h"
28 static av_cold int v410_decode_init(AVCodecContext *avctx)
30 avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
31 avctx->bits_per_raw_sample = 10;
33 if (avctx->width & 1) {
34 if (avctx->err_recognition & AV_EF_EXPLODE) {
35 av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n");
36 return AVERROR_INVALIDDATA;
38 av_log(avctx, AV_LOG_WARNING, "v410 requires width to be even, continuing anyway.\n");
45 static int v410_decode_frame(AVCodecContext *avctx, void *data,
46 int *got_frame, AVPacket *avpkt)
49 uint8_t *src = avpkt->data;
54 if (avpkt->size < 4 * avctx->height * avctx->width) {
55 av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
56 return AVERROR(EINVAL);
59 if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
63 pic->pict_type = AV_PICTURE_TYPE_I;
65 y = (uint16_t *)pic->data[0];
66 u = (uint16_t *)pic->data[1];
67 v = (uint16_t *)pic->data[2];
69 for (i = 0; i < avctx->height; i++) {
70 for (j = 0; j < avctx->width; j++) {
73 u[j] = (val >> 2) & 0x3FF;
74 y[j] = (val >> 12) & 0x3FF;
80 y += pic->linesize[0] >> 1;
81 u += pic->linesize[1] >> 1;
82 v += pic->linesize[2] >> 1;
90 AVCodec ff_v410_decoder = {
92 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
93 .type = AVMEDIA_TYPE_VIDEO,
94 .id = AV_CODEC_ID_V410,
95 .init = v410_decode_init,
96 .decode = v410_decode_frame,
97 .capabilities = CODEC_CAP_DR1,