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/*
* 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);
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