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media: add method to get the base_time of the pipeline

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Together with a shared clock, this base-time could eventually be sent to
the client so that it can reconstruct the exact running-time of the clock
on the server.
This commit is contained in:
Wim Taymans 2013-04-12 11:34:38 +01:00
parent 36ff679558
commit a64cb68164
4 changed files with 55 additions and 0 deletions
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37
gst/rtsp-server/rtsp-media.c
View file

@ -1745,7 +1745,44 @@ gst_rtsp_media_get_clock (GstRTSPMedia * media)
g_rec_mutex_unlock (&priv->state_lock);
return clock;
}
/**
* gst_rtsp_media_get_base_time:
* @media: a #GstRTSPMedia
*
* Get the base_time that is used by the pipeline in @media.
*
* @media must be prepared before this method returns a valid base_time.
*
* Returns: the base_time used by @media.
*/
GstClockTime
gst_rtsp_media_get_base_time (GstRTSPMedia * media)
{
GstClockTime result;
GstRTSPMediaPrivate *priv;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), GST_CLOCK_TIME_NONE);
priv = media->priv;
g_rec_mutex_lock (&priv->state_lock);
if (media->priv->status != GST_RTSP_MEDIA_STATUS_PREPARED)
goto not_prepared;
result = gst_element_get_base_time (media->priv->pipeline);
g_rec_mutex_unlock (&priv->state_lock);
return result;
/* ERRORS */
not_prepared:
{
g_rec_mutex_unlock (&priv->state_lock);
GST_DEBUG_OBJECT (media, "media was not prepared");
return GST_CLOCK_TIME_NONE;
}
}
/**

1
gst/rtsp-server/rtsp-media.h
View file

@ -157,6 +157,7 @@ GstRTSPStream * gst_rtsp_media_create_stream (GstRTSPMedia *media,
/* dealing with the media */
GstClock * gst_rtsp_media_get_clock (GstRTSPMedia *media);
GstClockTime gst_rtsp_media_get_base_time (GstRTSPMedia *media);
guint gst_rtsp_media_n_streams (GstRTSPMedia *media);
GstRTSPStream * gst_rtsp_media_get_stream (GstRTSPMedia *media, guint idx);

16
gst/rtsp-server/rtsp-session-media.c
View file

@ -176,6 +176,22 @@ gst_rtsp_session_media_get_media (GstRTSPSessionMedia * media)
return media->priv->media;
}
/**
* gst_rtsp_session_media_get_base_time:
* @media: a #GstRTSPSessionMedia
*
* Get the base_time of the #GstRTSPMedia in @media
*
* Returns: the base_time of the media.
*/
GstClockTime
gst_rtsp_session_media_get_base_time (GstRTSPSessionMedia * media)
{
g_return_val_if_fail (GST_IS_RTSP_SESSION_MEDIA (media), GST_CLOCK_TIME_NONE);
return gst_rtsp_media_get_base_time (media->priv->media);
}
/**
* gst_rtsp_session_media_set_transport:
* @media: a #GstRTSPSessionMedia

1
gst/rtsp-server/rtsp-session-media.h
View file

@ -71,6 +71,7 @@ gboolean gst_rtsp_session_media_matches_url (GstRTSPSessionMe
const GstRTSPUrl *url);
GstRTSPMedia * gst_rtsp_session_media_get_media (GstRTSPSessionMedia *media);
GstClockTime gst_rtsp_session_media_get_base_time (GstRTSPSessionMedia *media);
/* control media */
gboolean gst_rtsp_session_media_set_state (GstRTSPSessionMedia *media,
GstState state);