yading@10: /*
yading@10:  * RV20 encoder
yading@10:  * Copyright (c) 2000,2001 Fabrice Bellard
yading@10:  * Copyright (c) 2002-2004 Michael Niedermayer
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * RV20 encoder
yading@10:  */
yading@10: 
yading@10: #include "mpegvideo.h"
yading@10: #include "h263.h"
yading@10: #include "put_bits.h"
yading@10: 
yading@10: void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
yading@10:     put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
yading@10:     put_bits(&s->pb, 1, 0);     /* unknown bit */
yading@10:     put_bits(&s->pb, 5, s->qscale);
yading@10: 
yading@10:     put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
yading@10:     s->mb_x= s->mb_y= 0;
yading@10:     ff_h263_encode_mba(s);
yading@10: 
yading@10:     put_bits(&s->pb, 1, s->no_rounding);
yading@10: 
yading@10:     av_assert0(s->f_code == 1);
yading@10:     av_assert0(s->unrestricted_mv == 0);
yading@10:     av_assert0(s->alt_inter_vlc == 0);
yading@10:     av_assert0(s->umvplus == 0);
yading@10:     av_assert0(s->modified_quant==1);
yading@10:     av_assert0(s->loop_filter==1);
yading@10: 
yading@10:     s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
yading@10:     if(s->h263_aic){
yading@10:         s->y_dc_scale_table=
yading@10:         s->c_dc_scale_table= ff_aic_dc_scale_table;
yading@10:     }else{
yading@10:         s->y_dc_scale_table=
yading@10:         s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
yading@10:     }
yading@10: }
yading@10: 
yading@10: FF_MPV_GENERIC_CLASS(rv20)
yading@10: 
yading@10: AVCodec ff_rv20_encoder = {
yading@10:     .name           = "rv20",
yading@10:     .type           = AVMEDIA_TYPE_VIDEO,
yading@10:     .id             = AV_CODEC_ID_RV20,
yading@10:     .priv_data_size = sizeof(MpegEncContext),
yading@10:     .init           = ff_MPV_encode_init,
yading@10:     .encode2        = ff_MPV_encode_picture,
yading@10:     .close          = ff_MPV_encode_end,
yading@10:     .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
yading@10:     .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
yading@10:     .priv_class     = &rv20_class,
yading@10: };