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https://github.com/FFmpeg/FFmpeg.git
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f1fa1eed2a
Having this macro in an header only facilitates the use of such header. The code increase is minimal and files have one less dependency on mpegvideo.h.
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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* RV20 encoder
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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
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* RV20 encoder
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*/
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#include "mpegvideo.h"
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#include "mpegvideodata.h"
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#include "h263.h"
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#include "h263data.h"
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#include "put_bits.h"
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#include "rv10.h"
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void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
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put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
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put_bits(&s->pb, 1, 0); /* unknown bit */
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put_bits(&s->pb, 5, s->qscale);
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put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
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s->mb_x= s->mb_y= 0;
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ff_h263_encode_mba(s);
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put_bits(&s->pb, 1, s->no_rounding);
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assert(s->f_code == 1);
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assert(s->unrestricted_mv == 0);
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assert(s->alt_inter_vlc == 0);
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assert(s->umvplus == 0);
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assert(s->modified_quant==1);
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assert(s->loop_filter==1);
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s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
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if(s->h263_aic){
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s->y_dc_scale_table=
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s->c_dc_scale_table= ff_aic_dc_scale_table;
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}else{
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s->y_dc_scale_table=
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s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
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}
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}
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static const AVClass rv20_class = {
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.class_name = "rv20 encoder",
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.item_name = av_default_item_name,
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.option = ff_mpv_generic_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_rv20_encoder = {
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.name = "rv20",
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.long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_RV20,
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.priv_data_size = sizeof(MpegEncContext),
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.init = ff_mpv_encode_init,
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.encode2 = ff_mpv_encode_picture,
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.close = ff_mpv_encode_end,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
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.priv_class = &rv20_class,
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};
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