1/* 2 * RV10 encoder 3 * Copyright (c) 2000,2001 Fabrice Bellard 4 * Copyright (c) 2002-2004 Michael Niedermayer 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23/** 24 * @file 25 * RV10 encoder 26 */ 27 28#include "mpegvideo.h" 29#include "put_bits.h" 30 31void rv10_encode_picture_header(MpegEncContext *s, int picture_number) 32{ 33 int full_frame= 0; 34 35 align_put_bits(&s->pb); 36 37 put_bits(&s->pb, 1, 1); /* marker */ 38 39 put_bits(&s->pb, 1, (s->pict_type == FF_P_TYPE)); 40 41 put_bits(&s->pb, 1, 0); /* not PB frame */ 42 43 put_bits(&s->pb, 5, s->qscale); 44 45 if (s->pict_type == FF_I_TYPE) { 46 /* specific MPEG like DC coding not used */ 47 } 48 /* if multiple packets per frame are sent, the position at which 49 to display the macroblocks is coded here */ 50 if(!full_frame){ 51 put_bits(&s->pb, 6, 0); /* mb_x */ 52 put_bits(&s->pb, 6, 0); /* mb_y */ 53 put_bits(&s->pb, 12, s->mb_width * s->mb_height); 54 } 55 56 put_bits(&s->pb, 3, 0); /* ignored */ 57} 58 59AVCodec rv10_encoder = { 60 "rv10", 61 AVMEDIA_TYPE_VIDEO, 62 CODEC_ID_RV10, 63 sizeof(MpegEncContext), 64 MPV_encode_init, 65 MPV_encode_picture, 66 MPV_encode_end, 67 .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, 68 .long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"), 69}; 70