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RTSP: reply with only requested parameters

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Some peers (like Nexus 5 and Nexus 7) send empty GET_PARAMETER
request during streaming. Seems it just some kind of ping. Do not
include unnecessary information in reply.

Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
This commit is contained in:
Andrey Gusakov 2014-08-14 13:39:17 +04:00 • committed by albfan
parent 62460a9e89
commit c1b476146c
1 changed files with 31 additions and 11 deletions
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42
src/ctl/ctl-sink.c
View file

@ -122,23 +122,43 @@ static void sink_handle_get_parameter(struct ctl_sink *s,
struct rtsp_message *m)
{
_rtsp_message_unref_ struct rtsp_message *rep = NULL;
char wfd_video_formats[128];
int r;
r = rtsp_message_new_reply_for(m, &rep, RTSP_CODE_OK, NULL);
if (r < 0)
return cli_vERR(r);
sprintf(wfd_video_formats,
"wfd_video_formats: 00 00 03 10 %08x %08x %08x 00 0000 0000 10 none none",
s->resolutions_cea, s->resolutions_vesa, s->resolutions_hh);
r = rtsp_message_append(rep, "{&&&&}",
"wfd_content_protection: none",
wfd_video_formats,
"wfd_audio_codecs: AAC 00000007 00",
"wfd_client_rtp_ports: RTP/AVP/UDP;unicast 1991 0 mode=play");
if (r < 0)
return cli_vERR(r);
/* wfd_content_protection */
if (rtsp_message_read(m, "{<>}", "wfd_content_protection") >= 0) {
r = rtsp_message_append(rep, "{&}",
"wfd_content_protection: none");
if (r < 0)
return cli_vERR(r);
}
/* wfd_video_formats */
if (rtsp_message_read(m, "{<>}", "wfd_video_formats") >= 0) {
char wfd_video_formats[128];
sprintf(wfd_video_formats,
"wfd_video_formats: 00 00 03 10 %08x %08x %08x 00 0000 0000 10 none none",
s->resolutions_cea, s->resolutions_vesa, s->resolutions_hh);
r = rtsp_message_append(rep, "{&}", wfd_video_formats);
if (r < 0)
return cli_vERR(r);
}
/* wfd_audio_codecs */
if (rtsp_message_read(m, "{<>}", "wfd_audio_codecs") >= 0) {
r = rtsp_message_append(rep, "{&}",
"wfd_audio_codecs: AAC 00000007 00");
if (r < 0)
return cli_vERR(r);
}
/* wfd_client_rtp_ports */
if (rtsp_message_read(m, "{<>}", "wfd_client_rtp_ports") >= 0) {
r = rtsp_message_append(rep, "{&}",
"wfd_client_rtp_ports: RTP/AVP/UDP;unicast 1991 0 mode=play");
if (r < 0)
return cli_vERR(r);
}
rtsp_message_seal(rep);
cli_debug("OUTGOING: %s\n", rtsp_message_get_raw(rep));