2 * Microsoft RTP/ASF support.
3 * Copyright (c) 2008 Ronald S. Bultje
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * @file libavformat/rtp_asf.c
24 * @brief Microsoft RTP/ASF support
25 * @author Ronald S. Bultje <rbultje@ronald.bitfreak.net>
28 #include <libavutil/base64.h>
29 #include <libavutil/avstring.h>
35 void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
37 if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {
39 RTSPState *rt = s->priv_data;
40 int len = strlen(p) * 6 / 8;
41 char *buf = av_mallocz(len);
42 av_base64_decode(buf, p, len);
44 init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL);
46 av_close_input_stream(rt->asf_ctx);
49 av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL);
51 rt->asf_ctx->pb = NULL;
56 asfrtp_parse_sdp_line (AVFormatContext *s, int stream_index,
57 PayloadContext *asf, const char *line)
59 if (av_strstart(line, "stream:", &line)) {
60 RTSPState *rt = s->priv_data;
62 s->streams[stream_index]->id = strtol(line, NULL, 10);
67 for (i = 0; i < rt->asf_ctx->nb_streams; i++) {
68 if (s->streams[stream_index]->id == rt->asf_ctx->streams[i]->id) {
69 *s->streams[stream_index]->codec =
70 *rt->asf_ctx->streams[i]->codec;
71 rt->asf_ctx->streams[i]->codec->extradata_size = 0;
72 rt->asf_ctx->streams[i]->codec->extradata = NULL;
73 av_set_pts_info(s->streams[stream_index], 32, 1, 1000);
82 #define RTP_ASF_HANDLER(n, s, t) \
83 RTPDynamicProtocolHandler ff_ms_rtp_ ## n ## _handler = { \
87 asfrtp_parse_sdp_line, \
90 RTP_ASF_HANDLER(asf_pfv, "x-asf-pf", CODEC_TYPE_VIDEO);
91 RTP_ASF_HANDLER(asf_pfa, "x-asf-pf", CODEC_TYPE_AUDIO);