4 * Copyright (c) 2011 Derek Buitenhuis
6 * This file is part of Libav.
8 * Libav 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 * Libav 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 Libav; 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_encode_init(AVCodecContext *avctx)
30 if (avctx->width & 1) {
31 av_log(avctx, AV_LOG_ERROR, "v410 requires even width.\n");
32 return AVERROR_INVALIDDATA;
38 static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
39 const AVFrame *pic, int *got_packet)
46 if ((ret = ff_alloc_packet(pkt, avctx->width * avctx->height * 4)) < 0) {
47 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
52 #if FF_API_CODED_FRAME
53 FF_DISABLE_DEPRECATION_WARNINGS
54 avctx->coded_frame->key_frame = 1;
55 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
56 FF_ENABLE_DEPRECATION_WARNINGS
59 y = (uint16_t *)pic->data[0];
60 u = (uint16_t *)pic->data[1];
61 v = (uint16_t *)pic->data[2];
63 for (i = 0; i < avctx->height; i++) {
64 for (j = 0; j < avctx->width; j++) {
67 val |= (uint32_t) v[j] << 22;
71 y += pic->linesize[0] >> 1;
72 u += pic->linesize[1] >> 1;
73 v += pic->linesize[2] >> 1;
76 pkt->flags |= AV_PKT_FLAG_KEY;
81 AVCodec ff_v410_encoder = {
83 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
84 .type = AVMEDIA_TYPE_VIDEO,
85 .id = AV_CODEC_ID_V410,
86 .init = v410_encode_init,
87 .encode2 = v410_encode_frame,
88 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE },