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/intreadwrite.h"
26 static av_cold int v410_encode_init(AVCodecContext *avctx)
28 if (avctx->width & 1) {
29 av_log(avctx, AV_LOG_ERROR, "v410 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 v410_encode_frame(AVCodecContext *avctx, uint8_t *buf,
44 int buf_size, void *data)
53 if (buf_size < avctx->width * avctx->height * 4) {
54 av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
55 return AVERROR(ENOMEM);
58 avctx->coded_frame->reference = 0;
59 avctx->coded_frame->key_frame = 1;
60 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
62 y = (uint16_t *)pic->data[0];
63 u = (uint16_t *)pic->data[1];
64 v = (uint16_t *)pic->data[2];
66 for (i = 0; i < avctx->height; i++) {
67 for (j = 0; j < avctx->width; j++) {
70 val |= (uint32_t) v[j] << 22;
75 y += pic->linesize[0] >> 1;
76 u += pic->linesize[1] >> 1;
77 v += pic->linesize[2] >> 1;
83 static av_cold int v410_encode_close(AVCodecContext *avctx)
85 av_freep(&avctx->coded_frame);
90 AVCodec ff_v410_encoder = {
92 .type = AVMEDIA_TYPE_VIDEO,
94 .init = v410_encode_init,
95 .encode = v410_encode_frame,
96 .close = v410_encode_close,
97 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV444P10, PIX_FMT_NONE },
98 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),