/* * Microsoft RTP/ASF support. * Copyright (c) 2008 Ronald S. Bultje * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file libavformat/rtp_asf.c * @brief Microsoft RTP/ASF support * @author Ronald S. Bultje <rbultje@ronald.bitfreak.net> */ #include <libavutil/base64.h> #include <libavutil/avstring.h> #include "rtp.h" #include "rtp_asf.h" #include "rtsp.h" #include "asf.h" void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p) { if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) { ByteIOContext pb; RTSPState *rt = s->priv_data; int len = strlen(p) * 6 / 8; char *buf = av_mallocz(len); av_base64_decode(buf, p, len); init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL); if (rt->asf_ctx) { av_close_input_stream(rt->asf_ctx); rt->asf_ctx = NULL; } av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL); av_free(buf); rt->asf_ctx->pb = NULL; } } static int asfrtp_parse_sdp_line (AVFormatContext *s, int stream_index, PayloadContext *asf, const char *line) { if (av_strstart(line, "stream:", &line)) { RTSPState *rt = s->priv_data; s->streams[stream_index]->id = strtol(line, NULL, 10); if (rt->asf_ctx) { int i; for (i = 0; i < rt->asf_ctx->nb_streams; i++) { if (s->streams[stream_index]->id == rt->asf_ctx->streams[i]->id) { *s->streams[stream_index]->codec = *rt->asf_ctx->streams[i]->codec; rt->asf_ctx->streams[i]->codec->extradata_size = 0; rt->asf_ctx->streams[i]->codec->extradata = NULL; av_set_pts_info(s->streams[stream_index], 32, 1, 1000); } } } } return 0; } #define RTP_ASF_HANDLER(n, s, t) \ RTPDynamicProtocolHandler ff_ms_rtp_ ## n ## _handler = { \ s, \ t, \ CODEC_ID_NONE, \ asfrtp_parse_sdp_line, \ }; RTP_ASF_HANDLER(asf_pfv, "x-asf-pf", CODEC_TYPE_VIDEO); RTP_ASF_HANDLER(asf_pfa, "x-asf-pf", CODEC_TYPE_AUDIO);