mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-24 19:59:46 +00:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* RV10 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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* RV10 encoder
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*/
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#include "mpegvideo.h"
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#include "put_bits.h"
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void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
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{
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int full_frame= 0;
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align_put_bits(&s->pb);
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put_bits(&s->pb, 1, 1); /* marker */
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put_bits(&s->pb, 1, (s->pict_type == FF_P_TYPE));
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put_bits(&s->pb, 1, 0); /* not PB frame */
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put_bits(&s->pb, 5, s->qscale);
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if (s->pict_type == FF_I_TYPE) {
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/* specific MPEG like DC coding not used */
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}
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/* if multiple packets per frame are sent, the position at which
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to display the macroblocks is coded here */
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if(!full_frame){
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put_bits(&s->pb, 6, 0); /* mb_x */
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put_bits(&s->pb, 6, 0); /* mb_y */
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put_bits(&s->pb, 12, s->mb_width * s->mb_height);
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}
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put_bits(&s->pb, 3, 0); /* ignored */
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}
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AVCodec ff_rv10_encoder = {
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"rv10",
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AVMEDIA_TYPE_VIDEO,
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CODEC_ID_RV10,
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sizeof(MpegEncContext),
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MPV_encode_init,
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MPV_encode_picture,
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MPV_encode_end,
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.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
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.long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
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};
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