GstMessage

GstMessage

Functions

#define GST_MESSAGE_SRC()
#define GST_MESSAGE_SRC_NAME()
#define GST_MESSAGE_TIMESTAMP()
#define GST_MESSAGE_SEQNUM()
#define GST_MESSAGE_TYPE()
#define GST_MESSAGE_TYPE_IS_EXTENDED()
#define GST_MESSAGE_TYPE_NAME()
GQuark gst_message_type_to_quark ()
const gchar * gst_message_type_get_name ()
GstMessage * gst_message_ref ()
void gst_message_unref ()
GstMessage * gst_message_copy ()
const GstStructure * gst_message_get_structure ()
#define gst_message_make_writable()
guint32 gst_message_get_seqnum ()
void gst_message_set_seqnum ()
gboolean gst_message_has_name ()
#define gst_message_is_writable()
gboolean gst_message_replace ()
GstMessage * gst_message_new_eos ()
GstMessage * gst_message_new_error ()
void gst_message_parse_error ()
GstMessage * gst_message_new_warning ()
void gst_message_parse_warning ()
GstMessage * gst_message_new_info ()
void gst_message_parse_info ()
GstMessage * gst_message_new_tag ()
void gst_message_parse_tag ()
GstMessage * gst_message_new_buffering ()
void gst_message_parse_buffering ()
void gst_message_set_buffering_stats ()
void gst_message_parse_buffering_stats ()
GstMessage * gst_message_new_state_changed ()
void gst_message_parse_state_changed ()
GstMessage * gst_message_new_state_dirty ()
GstMessage * gst_message_new_step_done ()
void gst_message_parse_step_done ()
GstMessage * gst_message_new_clock_provide ()
void gst_message_parse_clock_provide ()
GstMessage * gst_message_new_clock_lost ()
void gst_message_parse_clock_lost ()
GstMessage * gst_message_new_new_clock ()
void gst_message_parse_new_clock ()
GstMessage * gst_message_new_application ()
GstMessage * gst_message_new_element ()
GstMessage * gst_message_new_custom ()
GstMessage * gst_message_new_segment_start ()
void gst_message_parse_segment_start ()
GstMessage * gst_message_new_segment_done ()
void gst_message_parse_segment_done ()
GstMessage * gst_message_new_duration_changed ()
GstMessage * gst_message_new_latency ()
GstMessage * gst_message_new_async_start ()
GstMessage * gst_message_new_async_done ()
void gst_message_parse_async_done ()
GstMessage * gst_message_new_step_start ()
void gst_message_parse_step_start ()
GstMessage * gst_message_new_qos ()
void gst_message_set_qos_values ()
void gst_message_set_qos_stats ()
void gst_message_parse_qos ()
void gst_message_parse_qos_values ()
void gst_message_parse_qos_stats ()
GstMessage * gst_message_new_toc ()
void gst_message_parse_toc ()
GstMessage * gst_message_new_reset_time ()
void gst_message_parse_reset_time ()
GstMessage * gst_message_new_stream_start ()
void gst_message_set_group_id ()
gboolean gst_message_parse_group_id ()
GstMessage * gst_message_new_stream_collection ()
void gst_message_parse_stream_collection ()
GstMessage * gst_message_new_structure_change ()
void gst_message_parse_structure_change ()
GstMessage * gst_message_new_request_state ()
void gst_message_parse_request_state ()
GstMessage * gst_message_new_stream_status ()
void gst_message_parse_stream_status ()
void gst_message_set_stream_status_object ()
const GValue * gst_message_get_stream_status_object ()
GstMessage * gst_message_new_progress ()
void gst_message_parse_progress ()
GstMessage * gst_message_new_need_context ()
gboolean gst_message_parse_context_type ()
GstMessage * gst_message_new_have_context ()
void gst_message_parse_have_context ()
GstMessage * gst_message_new_device_added ()
GstMessage * gst_message_new_device_removed ()
void gst_message_parse_device_added ()
void gst_message_parse_device_removed ()
GstMessage * gst_message_new_property_notify ()
void gst_message_parse_property_notify ()
GstMessage * gst_message_new_streams_selected ()
void gst_message_parse_streams_selected ()
void gst_message_streams_selected_add ()
guint gst_message_streams_selected_get_size ()
GstStream * gst_message_streams_selected_get_stream ()

Types and Values

Object Hierarchy

    GBoxed
    ╰── GstMessage

Includes

#include <gst/gst.h>

Description

Functions

GST_MESSAGE_SRC()

#define GST_MESSAGE_SRC(message)        (GST_MESSAGE_CAST(message)->src)

GST_MESSAGE_SRC_NAME()

#define             GST_MESSAGE_SRC_NAME(message)

GST_MESSAGE_TIMESTAMP()

#define GST_MESSAGE_TIMESTAMP(message)  (GST_MESSAGE_CAST(message)->timestamp)

GST_MESSAGE_SEQNUM()

#define GST_MESSAGE_SEQNUM(message)     (GST_MESSAGE_CAST(message)->seqnum)

GST_MESSAGE_TYPE()

#define GST_MESSAGE_TYPE(message)       (GST_MESSAGE_CAST(message)->type)

GST_MESSAGE_TYPE_IS_EXTENDED()

#define GST_MESSAGE_TYPE_IS_EXTENDED(message)       (!!(GST_MESSAGE_CAST(message)->type & GST_MESSAGE_EXTENDED))

GST_MESSAGE_TYPE_NAME()

#define GST_MESSAGE_TYPE_NAME(message)  gst_message_type_get_name(GST_MESSAGE_TYPE(message))

gst_message_type_to_quark ()

GQuark
gst_message_type_to_quark (GstMessageType type);

gst_message_type_get_name ()

const gchar *
gst_message_type_get_name (GstMessageType type);

gst_message_ref ()

GstMessage *
gst_message_ref (GstMessage *msg);

gst_message_unref ()

void
gst_message_unref (GstMessage *msg);

gst_message_copy ()

GstMessage *
gst_message_copy (const GstMessage *msg);

gst_message_get_structure ()

const GstStructure *
gst_message_get_structure (GstMessage *message);

gst_message_make_writable()

#define         gst_message_make_writable(msg)  GST_MESSAGE_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (msg)))

gst_message_get_seqnum ()

guint32
gst_message_get_seqnum (GstMessage *message);

gst_message_set_seqnum ()

void
gst_message_set_seqnum (GstMessage *message,
                        guint32 seqnum);

gst_message_has_name ()

gboolean
gst_message_has_name (GstMessage *message,
                      const gchar *name);

gst_message_is_writable()

#define         gst_message_is_writable(msg)     gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (msg))

gst_message_replace ()

gboolean
gst_message_replace (GstMessage **old_message,
                     GstMessage *new_message);

gst_message_new_eos ()

GstMessage *
gst_message_new_eos (GstObject *src);

gst_message_new_error ()

GstMessage *
gst_message_new_error (GstObject *src,
                       GError *error,
                       const gchar *debug);

gst_message_parse_error ()

void
gst_message_parse_error (GstMessage *message,
                         GError **gerror,
                         gchar **debug);

gst_message_new_warning ()

GstMessage *
gst_message_new_warning (GstObject *src,
                         GError *error,
                         const gchar *debug);

gst_message_parse_warning ()

void
gst_message_parse_warning (GstMessage *message,
                           GError **gerror,
                           gchar **debug);

gst_message_new_info ()

GstMessage *
gst_message_new_info (GstObject *src,
                      GError *error,
                      const gchar *debug);

gst_message_parse_info ()

void
gst_message_parse_info (GstMessage *message,
                        GError **gerror,
                        gchar **debug);

gst_message_new_tag ()

GstMessage *
gst_message_new_tag (GstObject *src,
                     GstTagList *tag_list);

gst_message_parse_tag ()

void
gst_message_parse_tag (GstMessage *message,
                       GstTagList **tag_list);

gst_message_new_buffering ()

GstMessage *
gst_message_new_buffering (GstObject *src,
                           gint percent);

gst_message_parse_buffering ()

void
gst_message_parse_buffering (GstMessage *message,
                             gint *percent);

gst_message_set_buffering_stats ()

void
gst_message_set_buffering_stats (GstMessage *message,
                                 GstBufferingMode mode,
                                 gint avg_in,
                                 gint avg_out,
                                 gint64 buffering_left);

gst_message_parse_buffering_stats ()

void
gst_message_parse_buffering_stats (GstMessage *message,
                                   GstBufferingMode *mode,
                                   gint *avg_in,
                                   gint *avg_out,
                                   gint64 *buffering_left);

gst_message_new_state_changed ()

GstMessage *
gst_message_new_state_changed (GstObject *src,
                               GstState oldstate,
                               GstState newstate,
                               GstState pending);

gst_message_parse_state_changed ()

void
gst_message_parse_state_changed (GstMessage *message,
                                 GstState *oldstate,
                                 GstState *newstate,
                                 GstState *pending);

gst_message_new_state_dirty ()

GstMessage *
gst_message_new_state_dirty (GstObject *src);

gst_message_new_step_done ()

GstMessage *
gst_message_new_step_done (GstObject *src,
                           GstFormat format,
                           guint64 amount,
                           gdouble rate,
                           gboolean flush,
                           gboolean intermediate,
                           guint64 duration,
                           gboolean eos);

gst_message_parse_step_done ()

void
gst_message_parse_step_done (GstMessage *message,
                             GstFormat *format,
                             guint64 *amount,
                             gdouble *rate,
                             gboolean *flush,
                             gboolean *intermediate,
                             guint64 *duration,
                             gboolean *eos);

gst_message_new_clock_provide ()

GstMessage *
gst_message_new_clock_provide (GstObject *src,
                               GstClock *clock,
                               gboolean ready);

gst_message_parse_clock_provide ()

void
gst_message_parse_clock_provide (GstMessage *message,
                                 GstClock **clock,
                                 gboolean *ready);

gst_message_new_clock_lost ()

GstMessage *
gst_message_new_clock_lost (GstObject *src,
                            GstClock *clock);

gst_message_parse_clock_lost ()

void
gst_message_parse_clock_lost (GstMessage *message,
                              GstClock **clock);

gst_message_new_new_clock ()

GstMessage *
gst_message_new_new_clock (GstObject *src,
                           GstClock *clock);

gst_message_parse_new_clock ()

void
gst_message_parse_new_clock (GstMessage *message,
                             GstClock **clock);

gst_message_new_application ()

GstMessage *
gst_message_new_application (GstObject *src,
                             GstStructure *structure);

gst_message_new_element ()

GstMessage *
gst_message_new_element (GstObject *src,
                         GstStructure *structure);

gst_message_new_custom ()

GstMessage *
gst_message_new_custom (GstMessageType type,
                        GstObject *src,
                        GstStructure *structure);

gst_message_new_segment_start ()

GstMessage *
gst_message_new_segment_start (GstObject *src,
                               GstFormat format,
                               gint64 position);

gst_message_parse_segment_start ()

void
gst_message_parse_segment_start (GstMessage *message,
                                 GstFormat *format,
                                 gint64 *position);

gst_message_new_segment_done ()

GstMessage *
gst_message_new_segment_done (GstObject *src,
                              GstFormat format,
                              gint64 position);

gst_message_parse_segment_done ()

void
gst_message_parse_segment_done (GstMessage *message,
                                GstFormat *format,
                                gint64 *position);

gst_message_new_duration_changed ()

GstMessage *
gst_message_new_duration_changed (GstObject *src);

gst_message_new_latency ()

GstMessage *
gst_message_new_latency (GstObject *src);

gst_message_new_async_start ()

GstMessage *
gst_message_new_async_start (GstObject *src);

gst_message_new_async_done ()

GstMessage *
gst_message_new_async_done (GstObject *src,
                            GstClockTime running_time);

gst_message_parse_async_done ()

void
gst_message_parse_async_done (GstMessage *message,
                              GstClockTime *running_time);

gst_message_new_step_start ()

GstMessage *
gst_message_new_step_start (GstObject *src,
                            gboolean active,
                            GstFormat format,
                            guint64 amount,
                            gdouble rate,
                            gboolean flush,
                            gboolean intermediate);

gst_message_parse_step_start ()

void
gst_message_parse_step_start (GstMessage *message,
                              gboolean *active,
                              GstFormat *format,
                              guint64 *amount,
                              gdouble *rate,
                              gboolean *flush,
                              gboolean *intermediate);

gst_message_new_qos ()

GstMessage *
gst_message_new_qos (GstObject *src,
                     gboolean live,
                     guint64 running_time,
                     guint64 stream_time,
                     guint64 timestamp,
                     guint64 duration);

gst_message_set_qos_values ()

void
gst_message_set_qos_values (GstMessage *message,
                            gint64 jitter,
                            gdouble proportion,
                            gint quality);

gst_message_set_qos_stats ()

void
gst_message_set_qos_stats (GstMessage *message,
                           GstFormat format,
                           guint64 processed,
                           guint64 dropped);

gst_message_parse_qos ()

void
gst_message_parse_qos (GstMessage *message,
                       gboolean *live,
                       guint64 *running_time,
                       guint64 *stream_time,
                       guint64 *timestamp,
                       guint64 *duration);

gst_message_parse_qos_values ()

void
gst_message_parse_qos_values (GstMessage *message,
                              gint64 *jitter,
                              gdouble *proportion,
                              gint *quality);

gst_message_parse_qos_stats ()

void
gst_message_parse_qos_stats (GstMessage *message,
                             GstFormat *format,
                             guint64 *processed,
                             guint64 *dropped);

gst_message_new_toc ()

GstMessage *
gst_message_new_toc (GstObject *src,
                     GstToc *toc,
                     gboolean updated);

gst_message_parse_toc ()

void
gst_message_parse_toc (GstMessage *message,
                       GstToc **toc,
                       gboolean *updated);

gst_message_new_reset_time ()

GstMessage *
gst_message_new_reset_time (GstObject *src,
                            GstClockTime running_time);

gst_message_parse_reset_time ()

void
gst_message_parse_reset_time (GstMessage *message,
                              GstClockTime *running_time);

gst_message_new_stream_start ()

GstMessage *
gst_message_new_stream_start (GstObject *src);

gst_message_set_group_id ()

void
gst_message_set_group_id (GstMessage *message,
                          guint group_id);

gst_message_parse_group_id ()

gboolean
gst_message_parse_group_id (GstMessage *message,
                            guint *group_id);

gst_message_new_stream_collection ()

GstMessage *
gst_message_new_stream_collection (GstObject *src,
                                   GstStreamCollection *collection);

gst_message_parse_stream_collection ()

void
gst_message_parse_stream_collection (GstMessage *message,
                                     GstStreamCollection **collection);

gst_message_new_structure_change ()

GstMessage *
gst_message_new_structure_change (GstObject *src,
                                  GstStructureChangeType type,
                                  GstElement *owner,
                                  gboolean busy);

gst_message_parse_structure_change ()

void
gst_message_parse_structure_change (GstMessage *message,
                                    GstStructureChangeType *type,
                                    GstElement **owner,
                                    gboolean *busy);

gst_message_new_request_state ()

GstMessage *
gst_message_new_request_state (GstObject *src,
                               GstState state);

gst_message_parse_request_state ()

void
gst_message_parse_request_state (GstMessage *message,
                                 GstState *state);

gst_message_new_stream_status ()

GstMessage *
gst_message_new_stream_status (GstObject *src,
                               GstStreamStatusType type,
                               GstElement *owner);

gst_message_parse_stream_status ()

void
gst_message_parse_stream_status (GstMessage *message,
                                 GstStreamStatusType *type,
                                 GstElement **owner);

gst_message_set_stream_status_object ()

void
gst_message_set_stream_status_object (GstMessage *message,
                                      const GValue *object);

gst_message_get_stream_status_object ()

const GValue *
gst_message_get_stream_status_object (GstMessage *message);

gst_message_new_progress ()

GstMessage *
gst_message_new_progress (GstObject *src,
                          GstProgressType type,
                          const gchar *code,
                          const gchar *text);

gst_message_parse_progress ()

void
gst_message_parse_progress (GstMessage *message,
                            GstProgressType *type,
                            gchar **code,
                            gchar **text);

gst_message_new_need_context ()

GstMessage *
gst_message_new_need_context (GstObject *src,
                              const gchar *context_type);

gst_message_parse_context_type ()

gboolean
gst_message_parse_context_type (GstMessage *message,
                                const gchar **context_type);

gst_message_new_have_context ()

GstMessage *
gst_message_new_have_context (GstObject *src,
                              GstContext *context);

gst_message_parse_have_context ()

void
gst_message_parse_have_context (GstMessage *message,
                                GstContext **context);

gst_message_new_device_added ()

GstMessage *
gst_message_new_device_added (GstObject *src,
                              GstDevice *device);

gst_message_new_device_removed ()

GstMessage *
gst_message_new_device_removed (GstObject *src,
                                GstDevice *device);

gst_message_parse_device_added ()

void
gst_message_parse_device_added (GstMessage *message,
                                GstDevice **device);

gst_message_parse_device_removed ()

void
gst_message_parse_device_removed (GstMessage *message,
                                  GstDevice **device);

gst_message_new_property_notify ()

GstMessage *
gst_message_new_property_notify (GstObject *src,
                                 const gchar *property_name,
                                 GValue *val);

gst_message_parse_property_notify ()

void
gst_message_parse_property_notify (GstMessage *message,
                                   GstObject **object,
                                   const gchar **property_name,
                                   const GValue **property_value);

gst_message_new_streams_selected ()

GstMessage *
gst_message_new_streams_selected (GstObject *src,
                                  GstStreamCollection *collection);

gst_message_parse_streams_selected ()

void
gst_message_parse_streams_selected (GstMessage *message,
                                    GstStreamCollection **collection);

gst_message_streams_selected_add ()

void
gst_message_streams_selected_add (GstMessage *message,
                                  GstStream *stream);

gst_message_streams_selected_get_size ()

guint
gst_message_streams_selected_get_size (GstMessage *message);

gst_message_streams_selected_get_stream ()

GstStream *
gst_message_streams_selected_get_stream
                               (GstMessage *message,
                                guint idx);

Types and Values

struct GstMessage

struct GstMessage {
  GstMiniObject   mini_object;

  GstMessageType  type;
  guint64         timestamp;
  GstObject      *src;
  guint32         seqnum;
};

enum GstMessageType

Members

GST_MESSAGE_UNKNOWN

   

GST_MESSAGE_EOS

   

GST_MESSAGE_ERROR

   

GST_MESSAGE_WARNING

   

GST_MESSAGE_INFO

   

GST_MESSAGE_TAG

   

GST_MESSAGE_BUFFERING

   

GST_MESSAGE_STATE_CHANGED

   

GST_MESSAGE_STATE_DIRTY

   

GST_MESSAGE_STEP_DONE

   

GST_MESSAGE_CLOCK_PROVIDE

   

GST_MESSAGE_CLOCK_LOST

   

GST_MESSAGE_NEW_CLOCK

   

GST_MESSAGE_STRUCTURE_CHANGE

   

GST_MESSAGE_STREAM_STATUS

   

GST_MESSAGE_APPLICATION

   

GST_MESSAGE_ELEMENT

   

GST_MESSAGE_SEGMENT_START

   

GST_MESSAGE_SEGMENT_DONE

   

GST_MESSAGE_DURATION_CHANGED

   

GST_MESSAGE_LATENCY

   

GST_MESSAGE_ASYNC_START

   

GST_MESSAGE_ASYNC_DONE

   

GST_MESSAGE_REQUEST_STATE

   

GST_MESSAGE_STEP_START

   

GST_MESSAGE_QOS

   

GST_MESSAGE_PROGRESS

   

GST_MESSAGE_TOC

   

GST_MESSAGE_RESET_TIME

   

GST_MESSAGE_STREAM_START

   

GST_MESSAGE_NEED_CONTEXT

   

GST_MESSAGE_HAVE_CONTEXT

   

GST_MESSAGE_EXTENDED

   

GST_MESSAGE_DEVICE_ADDED

   

GST_MESSAGE_DEVICE_REMOVED

   

GST_MESSAGE_PROPERTY_NOTIFY

   

GST_MESSAGE_STREAM_COLLECTION

   

GST_MESSAGE_STREAMS_SELECTED

   

GST_MESSAGE_ANY

   

enum GstStructureChangeType

Members

GST_STRUCTURE_CHANGE_TYPE_PAD_LINK

   

GST_STRUCTURE_CHANGE_TYPE_PAD_UNLINK

   

enum GstStreamStatusType

Members

GST_STREAM_STATUS_TYPE_CREATE

   

GST_STREAM_STATUS_TYPE_ENTER

   

GST_STREAM_STATUS_TYPE_LEAVE

   

GST_STREAM_STATUS_TYPE_DESTROY

   

GST_STREAM_STATUS_TYPE_START

   

GST_STREAM_STATUS_TYPE_PAUSE

   

GST_STREAM_STATUS_TYPE_STOP

   

enum GstProgressType

Members

GST_PROGRESS_TYPE_START

   

GST_PROGRESS_TYPE_CONTINUE

   

GST_PROGRESS_TYPE_COMPLETE

   

GST_PROGRESS_TYPE_CANCELED

   

GST_PROGRESS_TYPE_ERROR