Libav
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00001 /* 00002 * RV10 encoder 00003 * Copyright (c) 2000,2001 Fabrice Bellard 00004 * Copyright (c) 2002-2004 Michael Niedermayer 00005 * 00006 * This file is part of FFmpeg. 00007 * 00008 * FFmpeg is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU Lesser General Public 00010 * License as published by the Free Software Foundation; either 00011 * version 2.1 of the License, or (at your option) any later version. 00012 * 00013 * FFmpeg is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 * Lesser General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with FFmpeg; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00028 #include "mpegvideo.h" 00029 #include "put_bits.h" 00030 00031 void rv10_encode_picture_header(MpegEncContext *s, int picture_number) 00032 { 00033 int full_frame= 0; 00034 00035 align_put_bits(&s->pb); 00036 00037 put_bits(&s->pb, 1, 1); /* marker */ 00038 00039 put_bits(&s->pb, 1, (s->pict_type == FF_P_TYPE)); 00040 00041 put_bits(&s->pb, 1, 0); /* not PB frame */ 00042 00043 put_bits(&s->pb, 5, s->qscale); 00044 00045 if (s->pict_type == FF_I_TYPE) { 00046 /* specific MPEG like DC coding not used */ 00047 } 00048 /* if multiple packets per frame are sent, the position at which 00049 to display the macroblocks is coded here */ 00050 if(!full_frame){ 00051 put_bits(&s->pb, 6, 0); /* mb_x */ 00052 put_bits(&s->pb, 6, 0); /* mb_y */ 00053 put_bits(&s->pb, 12, s->mb_width * s->mb_height); 00054 } 00055 00056 put_bits(&s->pb, 3, 0); /* ignored */ 00057 } 00058 00059 AVCodec rv10_encoder = { 00060 "rv10", 00061 AVMEDIA_TYPE_VIDEO, 00062 CODEC_ID_RV10, 00063 sizeof(MpegEncContext), 00064 MPV_encode_init, 00065 MPV_encode_picture, 00066 MPV_encode_end, 00067 .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, 00068 .long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"), 00069 };