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gstreamer/gst/rtsp-server/rtsp-media.h
Gregor Boirie 6459a61e8f media-factory: complete DSCP QoS setting support 
add dscp_qos setting support at factory and media level to setup IP DSCP
field of bounded UDP sinks.

Fixes https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/issues/6

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/merge_requests/120>
2020-05-18 11:12:00 +03:00

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/* GStreamer
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.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 <gst/gst.h>
#include <gst/rtsp/rtsp.h>
#include <gst/net/gstnet.h>
#ifndef __GST_RTSP_MEDIA_H__
#define __GST_RTSP_MEDIA_H__
#include "rtsp-server-prelude.h"
G_BEGIN_DECLS
/* types for the media */
#define GST_TYPE_RTSP_MEDIA (gst_rtsp_media_get_type ())
#define GST_IS_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_MEDIA))
#define GST_IS_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_MEDIA))
#define GST_RTSP_MEDIA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
#define GST_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMedia))
#define GST_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
#define GST_RTSP_MEDIA_CAST(obj) ((GstRTSPMedia*)(obj))
#define GST_RTSP_MEDIA_CLASS_CAST(klass) ((GstRTSPMediaClass*)(klass))
typedef struct _GstRTSPMedia GstRTSPMedia;
typedef struct _GstRTSPMediaClass GstRTSPMediaClass;
typedef struct _GstRTSPMediaPrivate GstRTSPMediaPrivate;
/**
* GstRTSPMediaStatus:
* @GST_RTSP_MEDIA_STATUS_UNPREPARED: media pipeline not prerolled
* @GST_RTSP_MEDIA_STATUS_UNPREPARING: media pipeline is busy doing a clean
* shutdown.
* @GST_RTSP_MEDIA_STATUS_PREPARING: media pipeline is prerolling
* @GST_RTSP_MEDIA_STATUS_PREPARED: media pipeline is prerolled
* @GST_RTSP_MEDIA_STATUS_SUSPENDED: media is suspended
* @GST_RTSP_MEDIA_STATUS_ERROR: media pipeline is in error
*
* The state of the media pipeline.
*/
typedef enum {
GST_RTSP_MEDIA_STATUS_UNPREPARED = 0,
GST_RTSP_MEDIA_STATUS_UNPREPARING = 1,
GST_RTSP_MEDIA_STATUS_PREPARING = 2,
GST_RTSP_MEDIA_STATUS_PREPARED = 3,
GST_RTSP_MEDIA_STATUS_SUSPENDED = 4,
GST_RTSP_MEDIA_STATUS_ERROR = 5
} GstRTSPMediaStatus;
/**
* GstRTSPSuspendMode:
* @GST_RTSP_SUSPEND_MODE_NONE: Media is not suspended
* @GST_RTSP_SUSPEND_MODE_PAUSE: Media is PAUSED in suspend
* @GST_RTSP_SUSPEND_MODE_RESET: The media is set to NULL when suspended
*
* The suspend mode of the media pipeline. A media pipeline is suspended right
* after creating the SDP and when the client performs a PAUSED request.
*/
typedef enum {
GST_RTSP_SUSPEND_MODE_NONE = 0,
GST_RTSP_SUSPEND_MODE_PAUSE = 1,
GST_RTSP_SUSPEND_MODE_RESET = 2
} GstRTSPSuspendMode;
/**
* GstRTSPTransportMode:
* @GST_RTSP_TRANSPORT_MODE_PLAY: Transport supports PLAY mode
* @GST_RTSP_TRANSPORT_MODE_RECORD: Transport supports RECORD mode
*
* The supported modes of the media.
*/
typedef enum {
GST_RTSP_TRANSPORT_MODE_PLAY = 1,
GST_RTSP_TRANSPORT_MODE_RECORD = 2,
} GstRTSPTransportMode;
/**
* GstRTSPPublishClockMode:
* @GST_RTSP_PUBLISH_CLOCK_MODE_NONE: Publish nothing
* @GST_RTSP_PUBLISH_CLOCK_MODE_CLOCK: Publish the clock but not the offset
* @GST_RTSP_PUBLISH_CLOCK_MODE_CLOCK_AND_OFFSET: Publish the clock and offset
*
* Whether the clock and possibly RTP/clock offset should be published according to RFC7273.
*/
typedef enum {
GST_RTSP_PUBLISH_CLOCK_MODE_NONE,
GST_RTSP_PUBLISH_CLOCK_MODE_CLOCK,
GST_RTSP_PUBLISH_CLOCK_MODE_CLOCK_AND_OFFSET
} GstRTSPPublishClockMode;
#define GST_TYPE_RTSP_TRANSPORT_MODE (gst_rtsp_transport_mode_get_type())
GST_RTSP_SERVER_API
GType gst_rtsp_transport_mode_get_type (void);
#define GST_TYPE_RTSP_SUSPEND_MODE (gst_rtsp_suspend_mode_get_type())
GST_RTSP_SERVER_API
GType gst_rtsp_suspend_mode_get_type (void);
#define GST_TYPE_RTSP_PUBLISH_CLOCK_MODE (gst_rtsp_publish_clock_mode_get_type())
GST_RTSP_SERVER_API
GType gst_rtsp_publish_clock_mode_get_type (void);
#include "rtsp-stream.h"
#include "rtsp-thread-pool.h"
#include "rtsp-permissions.h"
#include "rtsp-address-pool.h"
#include "rtsp-sdp.h"
/**
* GstRTSPMedia:
*
* A class that contains the GStreamer element along with a list of
* #GstRTSPStream objects that can produce data.
*
* This object is usually created from a #GstRTSPMediaFactory.
*/
struct _GstRTSPMedia {
GObject parent;
/*< private >*/
GstRTSPMediaPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstRTSPMediaClass:
* @handle_message: handle a message
* @prepare: the default implementation adds all elements and sets the
* pipeline's state to GST_STATE_PAUSED (or GST_STATE_PLAYING
* in case of NO_PREROLL elements).
* @unprepare: the default implementation sets the pipeline's state
* to GST_STATE_NULL and removes all elements.
* @suspend: the default implementation sets the pipeline's state to
* GST_STATE_NULL GST_STATE_PAUSED depending on the selected
* suspend mode.
* @unsuspend: the default implementation reverts the suspend operation.
* The pipeline will be prerolled again if it's state was
* set to GST_STATE_NULL in suspend.
* @convert_range: convert a range to the given unit
* @query_position: query the current position in the pipeline
* @query_stop: query when playback will stop
*
* The RTSP media class
*/
struct _GstRTSPMediaClass {
GObjectClass parent_class;
/* vmethods */
gboolean (*handle_message) (GstRTSPMedia *media, GstMessage *message);
gboolean (*prepare) (GstRTSPMedia *media, GstRTSPThread *thread);
gboolean (*unprepare) (GstRTSPMedia *media);
gboolean (*suspend) (GstRTSPMedia *media);
gboolean (*unsuspend) (GstRTSPMedia *media);
gboolean (*convert_range) (GstRTSPMedia *media, GstRTSPTimeRange *range,
GstRTSPRangeUnit unit);
gboolean (*query_position) (GstRTSPMedia *media, gint64 *position);
gboolean (*query_stop) (GstRTSPMedia *media, gint64 *stop);
GstElement * (*create_rtpbin) (GstRTSPMedia *media);
gboolean (*setup_rtpbin) (GstRTSPMedia *media, GstElement *rtpbin);
gboolean (*setup_sdp) (GstRTSPMedia *media, GstSDPMessage *sdp, GstSDPInfo *info);
/* signals */
void (*new_stream) (GstRTSPMedia *media, GstRTSPStream * stream);
void (*removed_stream) (GstRTSPMedia *media, GstRTSPStream * stream);
void (*prepared) (GstRTSPMedia *media);
void (*unprepared) (GstRTSPMedia *media);
void (*target_state) (GstRTSPMedia *media, GstState state);
void (*new_state) (GstRTSPMedia *media, GstState state);
gboolean (*handle_sdp) (GstRTSPMedia *media, GstSDPMessage *sdp);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE-1];
};
GST_RTSP_SERVER_API
GType gst_rtsp_media_get_type (void);
/* creating the media */
GST_RTSP_SERVER_API
GstRTSPMedia * gst_rtsp_media_new (GstElement *element);
GST_RTSP_SERVER_API
GstElement * gst_rtsp_media_get_element (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_take_pipeline (GstRTSPMedia *media, GstPipeline *pipeline);
GST_RTSP_SERVER_API
GstRTSPMediaStatus gst_rtsp_media_get_status (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_permissions (GstRTSPMedia *media,
GstRTSPPermissions *permissions);
GST_RTSP_SERVER_API
GstRTSPPermissions * gst_rtsp_media_get_permissions (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_shared (GstRTSPMedia *media, gboolean shared);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_shared (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_stop_on_disconnect (GstRTSPMedia *media, gboolean stop_on_disconnect);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_stop_on_disconnect (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_transport_mode (GstRTSPMedia *media, GstRTSPTransportMode mode);
GST_RTSP_SERVER_API
GstRTSPTransportMode gst_rtsp_media_get_transport_mode (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_reusable (GstRTSPMedia *media, gboolean reusable);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_reusable (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_profiles (GstRTSPMedia *media, GstRTSPProfile profiles);
GST_RTSP_SERVER_API
GstRTSPProfile gst_rtsp_media_get_profiles (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_protocols (GstRTSPMedia *media, GstRTSPLowerTrans protocols);
GST_RTSP_SERVER_API
GstRTSPLowerTrans gst_rtsp_media_get_protocols (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_eos_shutdown (GstRTSPMedia *media, gboolean eos_shutdown);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_eos_shutdown (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_address_pool (GstRTSPMedia *media, GstRTSPAddressPool *pool);
GST_RTSP_SERVER_API
GstRTSPAddressPool * gst_rtsp_media_get_address_pool (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_multicast_iface (GstRTSPMedia *media, const gchar *multicast_iface);
GST_RTSP_SERVER_API
gchar * gst_rtsp_media_get_multicast_iface (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_buffer_size (GstRTSPMedia *media, guint size);
GST_RTSP_SERVER_API
guint gst_rtsp_media_get_buffer_size (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_retransmission_time (GstRTSPMedia *media, GstClockTime time);
GST_RTSP_SERVER_API
GstClockTime gst_rtsp_media_get_retransmission_time (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_do_retransmission (GstRTSPMedia * media,
gboolean do_retransmission);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_get_do_retransmission (GstRTSPMedia * media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_latency (GstRTSPMedia *media, guint latency);
GST_RTSP_SERVER_API
guint gst_rtsp_media_get_latency (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_use_time_provider (GstRTSPMedia *media, gboolean time_provider);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_time_provider (GstRTSPMedia *media);
GST_RTSP_SERVER_API
GstNetTimeProvider * gst_rtsp_media_get_time_provider (GstRTSPMedia *media,
const gchar *address, guint16 port);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_clock (GstRTSPMedia *media, GstClock * clock);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_publish_clock_mode (GstRTSPMedia * media, GstRTSPPublishClockMode mode);
GST_RTSP_SERVER_API
GstRTSPPublishClockMode gst_rtsp_media_get_publish_clock_mode (GstRTSPMedia * media);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_set_max_mcast_ttl (GstRTSPMedia *media, guint ttl);
GST_RTSP_SERVER_API
guint gst_rtsp_media_get_max_mcast_ttl (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_bind_mcast_address (GstRTSPMedia *media, gboolean bind_mcast_addr);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_bind_mcast_address (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_dscp_qos (GstRTSPMedia * media, gint dscp_qos);
GST_RTSP_SERVER_API
gint gst_rtsp_media_get_dscp_qos (GstRTSPMedia * media);
/* prepare the media for playback */
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_prepare (GstRTSPMedia *media, GstRTSPThread *thread);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_unprepare (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_suspend_mode (GstRTSPMedia *media, GstRTSPSuspendMode mode);
GST_RTSP_SERVER_API
GstRTSPSuspendMode gst_rtsp_media_get_suspend_mode (GstRTSPMedia *media);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_suspend (GstRTSPMedia *media);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_unsuspend (GstRTSPMedia *media);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_setup_sdp (GstRTSPMedia * media, GstSDPMessage * sdp,
GstSDPInfo * info);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_handle_sdp (GstRTSPMedia * media, GstSDPMessage * sdp);
/* creating streams */
GST_RTSP_SERVER_API
void gst_rtsp_media_collect_streams (GstRTSPMedia *media);
GST_RTSP_SERVER_API
GstRTSPStream * gst_rtsp_media_create_stream (GstRTSPMedia *media,
GstElement *payloader,
GstPad *pad);
/* dealing with the media */
GST_RTSP_SERVER_API
void gst_rtsp_media_lock (GstRTSPMedia *media);
GST_RTSP_SERVER_API
void gst_rtsp_media_unlock (GstRTSPMedia *media);
GST_RTSP_SERVER_API
GstClock * gst_rtsp_media_get_clock (GstRTSPMedia *media);
GST_RTSP_SERVER_API
GstClockTime gst_rtsp_media_get_base_time (GstRTSPMedia *media);
GST_RTSP_SERVER_API
guint gst_rtsp_media_n_streams (GstRTSPMedia *media);
GST_RTSP_SERVER_API
GstRTSPStream * gst_rtsp_media_get_stream (GstRTSPMedia *media, guint idx);
GST_RTSP_SERVER_API
GstRTSPStream * gst_rtsp_media_find_stream (GstRTSPMedia *media, const gchar * control);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_seek (GstRTSPMedia *media, GstRTSPTimeRange *range);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_seek_full (GstRTSPMedia *media,
GstRTSPTimeRange *range,
GstSeekFlags flags);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_seek_trickmode (GstRTSPMedia *media,
GstRTSPTimeRange *range,
GstSeekFlags flags,
gdouble rate,
GstClockTime trickmode_interval);
GST_RTSP_SERVER_API
GstClockTimeDiff gst_rtsp_media_seekable (GstRTSPMedia *media);
GST_RTSP_SERVER_API
gchar * gst_rtsp_media_get_range_string (GstRTSPMedia *media,
gboolean play,
GstRTSPRangeUnit unit);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_get_rates (GstRTSPMedia * media,
gdouble * rate,
gdouble * applied_rate);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_set_state (GstRTSPMedia *media, GstState state,
GPtrArray *transports);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_pipeline_state (GstRTSPMedia * media,
GstState state);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_complete_pipeline (GstRTSPMedia * media, GPtrArray * transports);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_is_receive_only (GstRTSPMedia * media);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_has_completed_sender (GstRTSPMedia * media);
GST_RTSP_SERVER_API
void gst_rtsp_media_set_rate_control (GstRTSPMedia * media, gboolean enabled);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_get_rate_control (GstRTSPMedia * media);
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstRTSPMedia, gst_object_unref)
#endif
G_END_DECLS
#endif /* __GST_RTSP_MEDIA_H__ */
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