mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.2 KiB
72 lines
2.2 KiB
/* |
|
* RV10 encoder |
|
* Copyright (c) 2000,2001 Fabrice Bellard |
|
* Copyright (c) 2002-2004 Michael Niedermayer |
|
* |
|
* 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 |
|
* RV10 encoder |
|
*/ |
|
|
|
#include "mpegvideo.h" |
|
#include "put_bits.h" |
|
|
|
void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number) |
|
{ |
|
int full_frame= 0; |
|
|
|
avpriv_align_put_bits(&s->pb); |
|
|
|
put_bits(&s->pb, 1, 1); /* marker */ |
|
|
|
put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P)); |
|
|
|
put_bits(&s->pb, 1, 0); /* not PB frame */ |
|
|
|
put_bits(&s->pb, 5, s->qscale); |
|
|
|
if (s->pict_type == AV_PICTURE_TYPE_I) { |
|
/* specific MPEG like DC coding not used */ |
|
} |
|
/* if multiple packets per frame are sent, the position at which |
|
to display the macroblocks is coded here */ |
|
if(!full_frame){ |
|
put_bits(&s->pb, 6, 0); /* mb_x */ |
|
put_bits(&s->pb, 6, 0); /* mb_y */ |
|
put_bits(&s->pb, 12, s->mb_width * s->mb_height); |
|
} |
|
|
|
put_bits(&s->pb, 3, 0); /* ignored */ |
|
} |
|
|
|
FF_MPV_GENERIC_CLASS(rv10) |
|
|
|
AVCodec ff_rv10_encoder = { |
|
.name = "rv10", |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.id = CODEC_ID_RV10, |
|
.priv_data_size = sizeof(MpegEncContext), |
|
.init = ff_MPV_encode_init, |
|
.encode2 = ff_MPV_encode_picture, |
|
.close = ff_MPV_encode_end, |
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
|
.long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"), |
|
.priv_class = &rv10_class, |
|
};
|
|
|