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rtpmanager: Move some duplicated constant and helper function to a single place

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2132>
This commit is contained in:
Sebastian Dröge 2022-04-20 10:53:16 +03:00 committed by GStreamer Marge Bot
parent 1eb7f81f9d
commit 02115a5efc
9 changed files with 98 additions and 104 deletions
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5
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpbin.c
View file

@ -151,6 +151,7 @@
#include "rtpsession.h"
#include "gstrtpsession.h"
#include "gstrtpjitterbuffer.h"
#include "gstrtputils.h"
#include <gst/glib-compat-private.h>
@ -1298,7 +1299,7 @@ get_current_times (GstRtpBin * bin, GstClockTime * running_time,
if (bin->use_pipeline_clock) {
ntpns = rt;
/* add constant to convert from 1970 based time to 1900 based time */
ntpns += (2208988800LL * GST_SECOND);
ntpns += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
} else {
switch (bin->ntp_time_source) {
case GST_RTP_NTP_TIME_SOURCE_NTP:
@ -1308,7 +1309,7 @@ get_current_times (GstRtpBin * bin, GstClockTime * running_time,
/* add constant to convert from 1970 based time to 1900 based time */
if (bin->ntp_time_source == GST_RTP_NTP_TIME_SOURCE_NTP)
ntpns += (2208988800LL * GST_SECOND);
ntpns += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
break;
}
case GST_RTP_NTP_TIME_SOURCE_RUNNING_TIME:

26
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpfunnel.c
View file

@ -70,6 +70,7 @@
#include <gst/rtp/gstrtphdrext.h>
#include "gstrtpfunnel.h"
#include "gstrtputils.h"
GST_DEBUG_CATEGORY_STATIC (gst_rtp_funnel_debug);
#define GST_CAT_DEFAULT gst_rtp_funnel_debug
@ -327,29 +328,6 @@ gst_rtp_funnel_set_twcc_ext_id (GstRtpFunnel * funnel, guint8 twcc_ext_id)
gst_rtp_header_extension_set_id (funnel->twcc_ext, twcc_ext_id);
}
static guint8
_get_extmap_id_for_attribute (const GstStructure * s, const gchar * ext_name)
{
guint i;
guint8 extmap_id = 0;
guint n_fields = gst_structure_n_fields (s);
for (i = 0; i < n_fields; i++) {
const gchar *field_name = gst_structure_nth_field_name (s, i);
if (g_str_has_prefix (field_name, "extmap-")) {
const gchar *str = gst_structure_get_string (s, field_name);
if (str && g_strcmp0 (str, ext_name) == 0) {
gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
if (id > 0 && id < 15) {
extmap_id = id;
break;
}
}
}
}
return extmap_id;
}
#define TWCC_EXTMAP_STR "http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01"
static gboolean
@ -398,7 +376,7 @@ gst_rtp_funnel_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
funnel->twcc_ext =
gst_rtp_header_extension_create_from_uri (TWCC_EXTMAP_STR);
ext_id = _get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
ext_id = gst_rtp_get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
if (ext_id > 0) {
fpad->has_twcc = TRUE;
funnel->twcc_pads++;

26
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpjitterbuffer.c
View file

@ -113,6 +113,7 @@
#include "rtpjitterbuffer.h"
#include "rtpstats.h"
#include "rtptimerqueue.h"
#include "gstrtputils.h"
#include <gst/glib-compat-private.h>
@ -1494,29 +1495,6 @@ _get_cname_ssrc_mappings (GstRtpJitterBuffer * jitterbuffer,
}
}
static guint8
_get_extmap_id_for_attribute (const GstStructure * s, const gchar * ext_name)
{
guint i;
guint8 extmap_id = 0;
guint n_fields = gst_structure_n_fields (s);
for (i = 0; i < n_fields; i++) {
const gchar *field_name = gst_structure_nth_field_name (s, i);
if (g_str_has_prefix (field_name, "extmap-")) {
const gchar *str = gst_structure_get_string (s, field_name);
if (str && g_strcmp0 (str, ext_name) == 0) {
gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
if (id > 0 && id < 15) {
extmap_id = id;
break;
}
}
}
}
return extmap_id;
}
/*
* Must be called with JBUF_LOCK held
*/
@ -1692,7 +1670,7 @@ gst_jitter_buffer_sink_parse_caps (GstRtpJitterBuffer * jitterbuffer,
_get_cname_ssrc_mappings (jitterbuffer, caps_struct);
priv->ntp64_ext_id =
_get_extmap_id_for_attribute (caps_struct,
gst_rtp_get_extmap_id_for_attribute (caps_struct,
GST_RTP_HDREXT_BASE GST_RTP_HDREXT_NTP_64);
return TRUE;

9
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpsession.c
View file

@ -111,6 +111,7 @@
#include "gstrtpsession.h"
#include "rtpsession.h"
#include "gstrtputils.h"
GST_DEBUG_CATEGORY_STATIC (gst_rtp_session_debug);
#define GST_CAT_DEFAULT gst_rtp_session_debug
@ -1101,7 +1102,7 @@ get_current_times (GstRtpSession * rtpsession, GstClockTime * running_time,
if (rtpsession->priv->use_pipeline_clock) {
ntpns = rt;
/* add constant to convert from 1970 based time to 1900 based time */
ntpns += (2208988800LL * GST_SECOND);
ntpns += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
} else {
switch (rtpsession->priv->ntp_time_source) {
case GST_RTP_NTP_TIME_SOURCE_NTP:
@ -1111,7 +1112,7 @@ get_current_times (GstRtpSession * rtpsession, GstClockTime * running_time,
/* add constant to convert from 1970 based time to 1900 based time */
if (rtpsession->priv->ntp_time_source == GST_RTP_NTP_TIME_SOURCE_NTP)
ntpns += (2208988800LL * GST_SECOND);
ntpns += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
break;
}
case GST_RTP_NTP_TIME_SOURCE_RUNNING_TIME:
@ -2458,7 +2459,7 @@ gst_rtp_session_chain_send_rtp_common (GstRtpSession * rtpsession,
if (rtpsession->priv->use_pipeline_clock) {
ntpnstime = running_time;
/* add constant to convert from 1970 based time to 1900 based time */
ntpnstime += (2208988800LL * GST_SECOND);
ntpnstime += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
} else {
switch (rtpsession->priv->ntp_time_source) {
case GST_RTP_NTP_TIME_SOURCE_NTP:
@ -2494,7 +2495,7 @@ gst_rtp_session_chain_send_rtp_common (GstRtpSession * rtpsession,
if (ntpnstime != GST_CLOCK_TIME_NONE
&& rtpsession->priv->ntp_time_source ==
GST_RTP_NTP_TIME_SOURCE_NTP)
ntpnstime += (2208988800LL * GST_SECOND);
ntpnstime += (GST_RTP_NTP_UNIX_OFFSET * GST_SECOND);
break;
}
case GST_RTP_NTP_TIME_SOURCE_RUNNING_TIME:

44
subprojects/gst-plugins-good/gst/rtpmanager/gstrtputils.c Normal file
View file

@ -0,0 +1,44 @@
/* GStreamer
* Copyright (C) 2022 Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gstrtputils.h"
guint8
gst_rtp_get_extmap_id_for_attribute (const GstStructure * s,
const gchar * ext_name)
{
guint i;
guint8 extmap_id = 0;
guint n_fields = gst_structure_n_fields (s);
for (i = 0; i < n_fields; i++) {
const gchar *field_name = gst_structure_nth_field_name (s, i);
if (g_str_has_prefix (field_name, "extmap-")) {
const gchar *str = gst_structure_get_string (s, field_name);
if (str && g_strcmp0 (str, ext_name) == 0) {
gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
if (id > 0 && id < 15) {
extmap_id = id;
break;
}
}
}
}
return extmap_id;
}

34
subprojects/gst-plugins-good/gst/rtpmanager/gstrtputils.h Normal file
View file

@ -0,0 +1,34 @@
/* GStreamer
* Copyright (C) 2022 Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_RTP_UTILS_H__
#define __GST_RTP_UTILS_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_RTP_NTP_UNIX_OFFSET (2208988800LL)
G_GNUC_INTERNAL guint8
gst_rtp_get_extmap_id_for_attribute (const GstStructure * s, const gchar * ext_name);
G_END_DECLS
#endif /* __GST_RTP_UTILS_H__ */

3
subprojects/gst-plugins-good/gst/rtpmanager/meson.build
View file

@ -24,7 +24,8 @@ rtpmanager_sources = [
'gstrtpsession.c',
'gstrtpfunnel.c',
'gstrtpst2022-1-fecdec.c',
'gstrtpst2022-1-fecenc.c'
'gstrtpst2022-1-fecenc.c',
'gstrtputils.c'
]
gstrtpmanager = library('gstrtpmanager',

26
subprojects/gst-plugins-good/gst/rtpmanager/rtpsession.c
View file

@ -30,6 +30,7 @@
#include <gst/glib-compat-private.h>
#include "rtpsession.h"
#include "gstrtputils.h"
GST_DEBUG_CATEGORY (rtp_session_debug);
#define GST_CAT_DEFAULT rtp_session_debug
@ -3177,29 +3178,6 @@ invalid_packet:
}
}
static guint8
_get_extmap_id_for_attribute (const GstStructure * s, const gchar * ext_name)
{
guint i;
guint8 extmap_id = 0;
guint n_fields = gst_structure_n_fields (s);
for (i = 0; i < n_fields; i++) {
const gchar *field_name = gst_structure_nth_field_name (s, i);
if (g_str_has_prefix (field_name, "extmap-")) {
const gchar *str = gst_structure_get_string (s, field_name);
if (str && g_strcmp0 (str, ext_name) == 0) {
gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
if (id > 0 && id < 15) {
extmap_id = id;
break;
}
}
}
}
return extmap_id;
}
/**
* rtp_session_update_send_caps:
* @sess: an #RTPSession
@ -3256,7 +3234,7 @@ rtp_session_update_send_caps (RTPSession * sess, GstCaps * caps)
}
sess->send_ntp64_ext_id =
_get_extmap_id_for_attribute (s,
gst_rtp_get_extmap_id_for_attribute (s,
GST_RTP_HDREXT_BASE GST_RTP_HDREXT_NTP_64);
rtp_twcc_manager_parse_send_ext_id (sess->twcc, s);

29
subprojects/gst-plugins-good/gst/rtpmanager/rtptwcc.c
View file

@ -22,6 +22,8 @@
#include <gst/base/gstbitreader.h>
#include <gst/base/gstbitwriter.h>
#include "gstrtputils.h"
GST_DEBUG_CATEGORY_EXTERN (rtp_session_debug);
#define GST_CAT_DEFAULT rtp_session_debug
@ -166,34 +168,11 @@ recv_packet_init (RecvPacket * packet, guint16 seqnum, RTPPacketInfo * pinfo)
packet->ts = pinfo->current_time;
}
static guint8
_get_extmap_id_for_attribute (const GstStructure * s, const gchar * ext_name)
{
guint i;
guint8 extmap_id = 0;
guint n_fields = gst_structure_n_fields (s);
for (i = 0; i < n_fields; i++) {
const gchar *field_name = gst_structure_nth_field_name (s, i);
if (g_str_has_prefix (field_name, "extmap-")) {
const gchar *str = gst_structure_get_string (s, field_name);
if (str && g_strcmp0 (str, ext_name) == 0) {
gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
if (id > 0 && id < 15) {
extmap_id = id;
break;
}
}
}
}
return extmap_id;
}
void
rtp_twcc_manager_parse_recv_ext_id (RTPTWCCManager * twcc,
const GstStructure * s)
{
guint8 recv_ext_id = _get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
guint8 recv_ext_id = gst_rtp_get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
if (recv_ext_id > 0) {
twcc->recv_ext_id = recv_ext_id;
GST_INFO ("TWCC enabled for recv using extension id: %u",
@ -205,7 +184,7 @@ void
rtp_twcc_manager_parse_send_ext_id (RTPTWCCManager * twcc,
const GstStructure * s)
{
guint8 send_ext_id = _get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
guint8 send_ext_id = gst_rtp_get_extmap_id_for_attribute (s, TWCC_EXTMAP_STR);
if (send_ext_id > 0) {
twcc->send_ext_id = send_ext_id;
GST_INFO ("TWCC enabled for send using extension id: %u",