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66 lines
2.1 KiB
66 lines
2.1 KiB
/* |
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* Raw Video Encoder |
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* Copyright (c) 2001 Fabrice Bellard |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file libavcodec/rawenc.c |
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* Raw Video Encoder |
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*/ |
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#include "avcodec.h" |
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#include "raw.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/intreadwrite.h" |
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static av_cold int raw_init_encoder(AVCodecContext *avctx) |
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{ |
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avctx->coded_frame = (AVFrame *)avctx->priv_data; |
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avctx->coded_frame->pict_type = FF_I_TYPE; |
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avctx->coded_frame->key_frame = 1; |
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avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]); |
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if(!avctx->codec_tag) |
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avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt); |
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return 0; |
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} |
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static int raw_encode(AVCodecContext *avctx, |
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unsigned char *frame, int buf_size, void *data) |
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{ |
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int ret = avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width, |
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avctx->height, frame, buf_size); |
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if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 && |
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avctx->pix_fmt == PIX_FMT_YUYV422) { |
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int x; |
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for(x = 1; x < avctx->height*avctx->width*2; x += 2) |
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frame[x] ^= 0x80; |
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} |
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return ret; |
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} |
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AVCodec rawvideo_encoder = { |
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"rawvideo", |
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AVMEDIA_TYPE_VIDEO, |
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CODEC_ID_RAWVIDEO, |
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sizeof(AVFrame), |
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raw_init_encoder, |
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raw_encode, |
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.long_name = NULL_IF_CONFIG_SMALL("raw video"), |
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};
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