stream-deploy/ZLM/3rdpart/media-server/librtsp/source/server/rtsp-server-play.c

62 lines
1.5 KiB
C++

#include "rtsp-server-internal.h"
#include "rtsp-header-range.h"
#include "rfc822-datetime.h"
int rtsp_server_play(struct rtsp_server_t *rtsp, const char* uri)
{
int64_t npt = -1L;
double scale = 0.0f;
const char *pscale, *prange;
struct rtsp_header_range_t range;
pscale = http_get_header_by_name(rtsp->parser, "scale");
if(!pscale)
pscale = http_get_header_by_name(rtsp->parser, "speed");
prange = http_get_header_by_name(rtsp->parser, "range");
if (0 == rtsp->session.session[0])
{
// 454 (Session Not Found)
return rtsp_server_reply(rtsp, 454);
}
if (pscale)
{
scale = atof(pscale);
}
if (prange && 0 == rtsp_header_range(prange, &range))
{
npt = range.from;
}
return rtsp->handler.onplay(rtsp->param, rtsp, uri, rtsp->session.session, -1L == npt ? NULL : &npt, pscale ? &scale : NULL);
}
int rtsp_server_reply_play(struct rtsp_server_t *rtsp, int code, const int64_t *nptstart, const int64_t *nptend, const char* rtp)
{
int n = 0;
char header[1024] = { 0 };
if (n >= 0 && nptstart)
{
if (nptend)
n += snprintf(header + n, sizeof(header) - n, "Range: npt=%.3f-%.3f\r\n", (float)(*nptstart / 1000.0f), (float)(*nptend / 1000.0f));
else
n += snprintf(header + n, sizeof(header) - n, "Range: npt=%.3f-\r\n", (float)(*nptstart / 1000.0f));
}
if (n >= 0 && rtp)
{
n += snprintf(header + n, sizeof(header) - n, "RTP-Info: %s\r\n", rtp);
}
if (n < 0 || n >= sizeof(header))
{
assert(0); // rtp-info too long
return -1;
}
return rtsp_server_reply2(rtsp, code, header, NULL, 0);
}