Libav 0.7.1
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00001 /* 00002 * RAW video demuxer 00003 * Copyright (c) 2001 Fabrice Bellard 00004 * 00005 * This file is part of Libav. 00006 * 00007 * Libav is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * Libav is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with Libav; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #include "avformat.h" 00023 #include "rawdec.h" 00024 00025 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt) 00026 { 00027 int packet_size, ret, width, height; 00028 AVStream *st = s->streams[0]; 00029 00030 width = st->codec->width; 00031 height = st->codec->height; 00032 00033 packet_size = avpicture_get_size(st->codec->pix_fmt, width, height); 00034 if (packet_size < 0) 00035 return -1; 00036 00037 ret= av_get_packet(s->pb, pkt, packet_size); 00038 pkt->pts= 00039 pkt->dts= pkt->pos / packet_size; 00040 00041 pkt->stream_index = 0; 00042 if (ret < 0) 00043 return ret; 00044 return 0; 00045 } 00046 00047 AVInputFormat ff_rawvideo_demuxer = { 00048 "rawvideo", 00049 NULL_IF_CONFIG_SMALL("raw video format"), 00050 sizeof(FFRawVideoDemuxerContext), 00051 NULL, 00052 ff_raw_read_header, 00053 rawvideo_read_packet, 00054 .flags= AVFMT_GENERIC_INDEX, 00055 .extensions = "yuv,cif,qcif,rgb", 00056 .value = CODEC_ID_RAWVIDEO, 00057 .priv_class = &ff_rawvideo_demuxer_class, 00058 };