diff options
Diffstat (limited to 'ffmpeg/libavcodec/rawenc.c')
| -rw-r--r-- | ffmpeg/libavcodec/rawenc.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/rawenc.c b/ffmpeg/libavcodec/rawenc.c new file mode 100644 index 0000000..c6da6b8 --- /dev/null +++ b/ffmpeg/libavcodec/rawenc.c @@ -0,0 +1,80 @@ +/* + * Raw Video Encoder + * Copyright (c) 2001 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Raw Video Encoder + */ + +#include "avcodec.h" +#include "raw.h" +#include "internal.h" +#include "libavutil/pixdesc.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/internal.h" + +static av_cold int raw_init_encoder(AVCodecContext *avctx) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); + + avctx->coded_frame = avctx->priv_data; + avcodec_get_frame_defaults(avctx->coded_frame); + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; + avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc); + if(!avctx->codec_tag) + avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt); + return 0; +} + +static int raw_encode(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *frame, int *got_packet) +{ + int ret = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); + + if (ret < 0) + return ret; + + if ((ret = ff_alloc_packet2(avctx, pkt, ret)) < 0) + return ret; + if ((ret = avpicture_layout((const AVPicture *)frame, avctx->pix_fmt, avctx->width, + avctx->height, pkt->data, pkt->size)) < 0) + return ret; + + if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 && + avctx->pix_fmt == AV_PIX_FMT_YUYV422) { + int x; + for(x = 1; x < avctx->height*avctx->width*2; x += 2) + pkt->data[x] ^= 0x80; + } + pkt->flags |= AV_PKT_FLAG_KEY; + *got_packet = 1; + return 0; +} + +AVCodec ff_rawvideo_encoder = { + .name = "rawvideo", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_RAWVIDEO, + .priv_data_size = sizeof(AVFrame), + .init = raw_init_encoder, + .encode2 = raw_encode, + .long_name = NULL_IF_CONFIG_SMALL("raw video"), +}; |
