3 * Copyright (c) 2001 Fabrice Bellard
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "libavutil/pixdesc.h"
30 #include "libavutil/intreadwrite.h"
32 static av_cold int raw_init_encoder(AVCodecContext *avctx)
34 avctx->coded_frame = (AVFrame *)avctx->priv_data;
35 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
36 avctx->coded_frame->key_frame = 1;
37 avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]);
39 avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
43 static int raw_encode(AVCodecContext *avctx,
44 unsigned char *frame, int buf_size, void *data)
46 int ret = avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width,
47 avctx->height, frame, buf_size);
49 if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 &&
50 avctx->pix_fmt == PIX_FMT_YUYV422) {
52 for(x = 1; x < avctx->height*avctx->width*2; x += 2)
58 AVCodec ff_rawvideo_encoder = {
60 .type = AVMEDIA_TYPE_VIDEO,
61 .id = CODEC_ID_RAWVIDEO,
62 .priv_data_size = sizeof(AVFrame),
63 .init = raw_init_encoder,
65 .long_name = NULL_IF_CONFIG_SMALL("raw video"),