X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gst%2Fgstmessage.h;h=d5bc2a989f482e9d756a1e7fef8355c42add80b5;hb=cc6342d853f4252c5d5cf09fff9d3379ad467fbc;hp=74092571d635d552cf0060a3c69f67ed1fb23657;hpb=d83d9d35eecbb399a165d7376cf16d568491fe74;p=platform%2Fupstream%2Fgstreamer.git diff --git a/gst/gstmessage.h b/gst/gstmessage.h index 7409257..d5bc2a9 100644 --- a/gst/gstmessage.h +++ b/gst/gstmessage.h @@ -15,13 +15,15 @@ * * 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., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. */ #ifndef __GST_MESSAGE_H__ #define __GST_MESSAGE_H__ +#include + G_BEGIN_DECLS typedef struct _GstMessage GstMessage; @@ -33,11 +35,11 @@ typedef struct _GstMessage GstMessage; * only receive this message in the PLAYING state and every time it sets a * pipeline to PLAYING that is in the EOS state. The application can perform a * flushing seek in the pipeline, which will undo the EOS state again. - * @GST_MESSAGE_ERROR: an error occured. When the application receives an error + * @GST_MESSAGE_ERROR: an error occurred. When the application receives an error * message it should stop playback of the pipeline and not assume that more * data will be played. - * @GST_MESSAGE_WARNING: a warning occured. - * @GST_MESSAGE_INFO: an info message occured + * @GST_MESSAGE_WARNING: a warning occurred. + * @GST_MESSAGE_INFO: an info message occurred * @GST_MESSAGE_TAG: a tag was found. * @GST_MESSAGE_BUFFERING: the pipeline is buffering. When the application * receives a buffering message in the PLAYING state for a non-live pipeline it @@ -71,23 +73,54 @@ typedef struct _GstMessage GstMessage; * @GST_MESSAGE_SEGMENT_DONE: pipeline completed playback of a segment. This * message is forwarded to the application after all elements that posted * @GST_MESSAGE_SEGMENT_START posted a GST_MESSAGE_SEGMENT_DONE message. - * @GST_MESSAGE_DURATION: The duration of a pipeline changed. The application - * can get the new duration with a duration query. + * @GST_MESSAGE_DURATION_CHANGED: The duration of a pipeline changed. The + * application can get the new duration with a duration query. * @GST_MESSAGE_ASYNC_START: Posted by elements when they start an ASYNC * #GstStateChange. This message is not forwarded to the application but is used - * internally. Since: 0.10.13. + * internally. * @GST_MESSAGE_ASYNC_DONE: Posted by elements when they complete an ASYNC * #GstStateChange. The application will only receive this message from the toplevel - * pipeline. Since: 0.10.13 + * pipeline. * @GST_MESSAGE_LATENCY: Posted by elements when their latency changes. The - * application should recalculate and distribute a new latency. Since: 0.10.12 + * application should recalculate and distribute a new latency. * @GST_MESSAGE_REQUEST_STATE: Posted by elements when they want the pipeline to * change state. This message is a suggestion to the application which can - * decide to perform the state change on (part of) the pipeline. Since: 0.10.23. - * @GST_MESSAGE_STEP_START: A stepping operation was started. Since: 0.10.24 + * decide to perform the state change on (part of) the pipeline. + * @GST_MESSAGE_STEP_START: A stepping operation was started. * @GST_MESSAGE_QOS: A buffer was dropped or an element changed its processing - * strategy for Quality of Service reasons. Since: 0.10.29 - * @GST_MESSAGE_PROGRESS: A progress message. Since: 0.10.33 + * strategy for Quality of Service reasons. + * @GST_MESSAGE_PROGRESS: A progress message. + * @GST_MESSAGE_TOC: A new table of contents (TOC) was found or previously found TOC + * was updated. + * @GST_MESSAGE_RESET_TIME: Message to request resetting the pipeline's + * running time from the pipeline. This is an internal message which + * applications will likely never receive. + * @GST_MESSAGE_STREAM_START: Message indicating start of a new stream. Useful + * e.g. when using playbin in gapless playback mode, to get notified when + * the next title actually starts playing (which will be some time after + * the URI for the next title has been set). + * @GST_MESSAGE_NEED_CONTEXT: Message indicating that an element wants a specific context (Since: 1.2) + * @GST_MESSAGE_HAVE_CONTEXT: Message indicating that an element created a context (Since: 1.2) + * @GST_MESSAGE_EXTENDED: Message is an extended message type (see below). + * These extended message IDs can't be used directly with mask-based API + * like gst_bus_poll() or gst_bus_timed_pop_filtered(), but you can still + * filter for GST_MESSAGE_EXTENDED and then check the result for the + * specific type. (Since: 1.4) + * @GST_MESSAGE_DEVICE_ADDED: Message indicating a #GstDevice was added to + * a #GstDeviceProvider (Since: 1.4) + * @GST_MESSAGE_DEVICE_REMOVED: Message indicating a #GstDevice was removed + * from a #GstDeviceProvider (Since: 1.4) + * @GST_MESSAGE_PROPERTY_NOTIFY: Message indicating a #GObject property has + * changed (Since: 1.10) + * @GST_MESSAGE_STREAM_COLLECTION: Message indicating a new #GstStreamCollection + * is available (Since: 1.10) + * @GST_MESSAGE_STREAMS_SELECTED: Message indicating the active selection of + * #GstStreams has changed (Since: 1.10) + * @GST_MESSAGE_REDIRECT: Message indicating to request the application to + * try to play the given URL(s). Useful if for example a HTTP 302/303 + * response is received with a non-HTTP URL inside. (Since: 1.10) + * @GST_MESSAGE_DEVICE_CHANGED: Message indicating a #GstDevice was changed + * a #GstDeviceProvider (Since: 1.16) * @GST_MESSAGE_ANY: mask for all of the above messages. * * The different message types that are available. @@ -95,6 +128,10 @@ typedef struct _GstMessage GstMessage; /* NOTE: keep in sync with quark registration in gstmessage.c * NOTE: keep GST_MESSAGE_ANY a valid gint to avoid compiler warnings. */ +/* FIXME: 2.0: Make it NOT flags, just a regular 1,2,3,4.. enumeration */ +/* FIXME: For GST_MESSAGE_ANY ~0 -> 0xffffffff see + * https://bugzilla.gnome.org/show_bug.cgi?id=732633 + */ typedef enum { GST_MESSAGE_UNKNOWN = 0, @@ -116,7 +153,7 @@ typedef enum GST_MESSAGE_ELEMENT = (1 << 15), GST_MESSAGE_SEGMENT_START = (1 << 16), GST_MESSAGE_SEGMENT_DONE = (1 << 17), - GST_MESSAGE_DURATION = (1 << 18), + GST_MESSAGE_DURATION_CHANGED = (1 << 18), GST_MESSAGE_LATENCY = (1 << 19), GST_MESSAGE_ASYNC_START = (1 << 20), GST_MESSAGE_ASYNC_DONE = (1 << 21), @@ -124,7 +161,20 @@ typedef enum GST_MESSAGE_STEP_START = (1 << 23), GST_MESSAGE_QOS = (1 << 24), GST_MESSAGE_PROGRESS = (1 << 25), - GST_MESSAGE_ANY = ~0 + GST_MESSAGE_TOC = (1 << 26), + GST_MESSAGE_RESET_TIME = (1 << 27), + GST_MESSAGE_STREAM_START = (1 << 28), + GST_MESSAGE_NEED_CONTEXT = (1 << 29), + GST_MESSAGE_HAVE_CONTEXT = (1 << 30), + GST_MESSAGE_EXTENDED = (gint) (1u << 31), + GST_MESSAGE_DEVICE_ADDED = GST_MESSAGE_EXTENDED + 1, + GST_MESSAGE_DEVICE_REMOVED = GST_MESSAGE_EXTENDED + 2, + GST_MESSAGE_PROPERTY_NOTIFY = GST_MESSAGE_EXTENDED + 3, + GST_MESSAGE_STREAM_COLLECTION = GST_MESSAGE_EXTENDED + 4, + GST_MESSAGE_STREAMS_SELECTED = GST_MESSAGE_EXTENDED + 5, + GST_MESSAGE_REDIRECT = GST_MESSAGE_EXTENDED + 6, + GST_MESSAGE_DEVICE_CHANGED = GST_MESSAGE_EXTENDED + 7, + GST_MESSAGE_ANY = (gint) (0xffffffff) } GstMessageType; #include @@ -133,28 +183,27 @@ typedef enum #include #include #include +#include +#include +#include +#include -/** - * GST_MESSAGE_TRACE_NAME: - * - * The name used for memory allocation tracing - */ -#define GST_MESSAGE_TRACE_NAME "GstMessage" +GST_API GType _gst_message_type; -#define GST_TYPE_MESSAGE (gst_message_get_type()) +#define GST_TYPE_MESSAGE (_gst_message_type) #define GST_IS_MESSAGE(obj) (GST_IS_MINI_OBJECT_TYPE (obj, GST_TYPE_MESSAGE)) #define GST_MESSAGE_CAST(obj) ((GstMessage*)(obj)) #define GST_MESSAGE(obj) (GST_MESSAGE_CAST(obj)) /* the lock is used to handle the synchronous handling of messages, - * the emiting thread is block until the handling thread processed + * the emitting thread is blocked until the handling thread processed * the message using this mutex/cond pair */ -#define GST_MESSAGE_GET_LOCK(message) (GST_MESSAGE_CAST(message)->lock) +#define GST_MESSAGE_GET_LOCK(message) (&GST_MESSAGE_CAST(message)->lock) #define GST_MESSAGE_LOCK(message) g_mutex_lock(GST_MESSAGE_GET_LOCK(message)) #define GST_MESSAGE_UNLOCK(message) g_mutex_unlock(GST_MESSAGE_GET_LOCK(message)) -#define GST_MESSAGE_COND(message) (GST_MESSAGE_CAST(message)->cond) -#define GST_MESSAGE_WAIT(message) g_cond_wait(GST_MESSAGE_COND(message),GST_MESSAGE_GET_LOCK(message)) -#define GST_MESSAGE_SIGNAL(message) g_cond_signal(GST_MESSAGE_COND(message)) +#define GST_MESSAGE_GET_COND(message) (&GST_MESSAGE_CAST(message)->cond) +#define GST_MESSAGE_WAIT(message) g_cond_wait(GST_MESSAGE_GET_COND(message),GST_MESSAGE_GET_LOCK(message)) +#define GST_MESSAGE_SIGNAL(message) g_cond_signal(GST_MESSAGE_GET_COND(message)) /** * GST_MESSAGE_TYPE: @@ -164,12 +213,19 @@ typedef enum */ #define GST_MESSAGE_TYPE(message) (GST_MESSAGE_CAST(message)->type) /** + * GST_MESSAGE_TYPE_IS_EXTENDED: + * @message: a #GstMessage + * + * Check if the message is in the extended message group + * Since: 1.4 + */ +#define GST_MESSAGE_TYPE_IS_EXTENDED(message) (!!(GST_MESSAGE_CAST(message)->type & GST_MESSAGE_EXTENDED)) + +/** * GST_MESSAGE_TYPE_NAME: * @message: a #GstMessage * * Get a constant string representation of the #GstMessageType of @message. - * - * Since: 0.10.4 */ #define GST_MESSAGE_TYPE_NAME(message) gst_message_type_get_name(GST_MESSAGE_TYPE(message)) /** @@ -202,8 +258,6 @@ typedef enum * * Get the name of the object that posted @message. Returns "(NULL)" if * the message has no source object set. - * - * Since: 0.10.24 */ #define GST_MESSAGE_SRC_NAME(message) (GST_MESSAGE_SRC(message) ? \ GST_OBJECT_NAME (GST_MESSAGE_SRC(message)) : "(NULL)") @@ -214,8 +268,6 @@ typedef enum * @GST_STRUCTURE_CHANGE_TYPE_PAD_UNLINK: Pad unlinking is starting or done. * * The type of a %GST_MESSAGE_STRUCTURE_CHANGE. - * - * Since: 0.10.22 */ typedef enum { GST_STRUCTURE_CHANGE_TYPE_PAD_LINK = 0, @@ -234,8 +286,6 @@ typedef enum { * * The type of a %GST_MESSAGE_STREAM_STATUS. The stream status messages inform the * application of new streaming threads and their status. - * - * Since: 0.10.24 */ typedef enum { GST_STREAM_STATUS_TYPE_CREATE = 0, @@ -258,16 +308,14 @@ typedef enum { * posted on the bus. * * The type of a %GST_MESSAGE_PROGRESS. The progress messages inform the - * application of the status of assynchronous tasks. - * - * Since: 0.10.33 + * application of the status of asynchronous tasks. */ typedef enum { GST_PROGRESS_TYPE_START = 0, GST_PROGRESS_TYPE_CONTINUE = 1, GST_PROGRESS_TYPE_COMPLETE = 2, GST_PROGRESS_TYPE_CANCELED = 3, - GST_PROGRESS_TYPE_ERROR = 4, + GST_PROGRESS_TYPE_ERROR = 4 } GstProgressType; /** @@ -282,22 +330,28 @@ typedef enum { */ struct _GstMessage { - GstMiniObject mini_object; + GstMiniObject mini_object; /*< public > *//* with COW */ - GstMessageType type; - guint64 timestamp; - GstObject *src; - guint32 seqnum; + GstMessageType type; + guint64 timestamp; + GstObject *src; + guint32 seqnum; /*< private >*//* with MESSAGE_LOCK */ - GMutex *lock; /* lock and cond for async delivery */ - GCond *cond; + GMutex lock; /* lock and cond for async delivery */ + GCond cond; }; +#include + +GST_API GType gst_message_get_type (void); +GST_API const gchar* gst_message_type_get_name (GstMessageType type); + +GST_API GQuark gst_message_type_to_quark (GstMessageType type); /* refcounting */ @@ -309,10 +363,6 @@ GQuark gst_message_type_to_quark (GstMessageType type); * * Returns: @msg (for convenience when doing assignments) */ -#ifdef _FOOL_GTK_DOC_ -G_INLINE_FUNC GstMessage * gst_message_ref (GstMessage * msg); -#endif - static inline GstMessage * gst_message_ref (GstMessage * msg) { @@ -326,16 +376,31 @@ gst_message_ref (GstMessage * msg) * Convenience macro to decrease the reference count of the message, possibly * freeing it. */ -#ifdef _FOOL_GTK_DOC_ -G_INLINE_FUNC void gst_message_unref (GstMessage * msg); -#endif - static inline void gst_message_unref (GstMessage * msg) { gst_mini_object_unref (GST_MINI_OBJECT_CAST (msg)); } +/** + * gst_clear_message: (skip) + * @msg_ptr: a pointer to a #GstMessage reference + * + * Clears a reference to a #GstMessage. + * + * @msg_ptr must not be %NULL. + * + * If the reference is %NULL then this function does nothing. Otherwise, the + * reference count of the message is decreased and the pointer is set to %NULL. + * + * Since: 1.16 + */ +static inline void +gst_clear_message (GstMessage ** msg_ptr) +{ + gst_clear_mini_object ((GstMiniObject **) msg_ptr); +} + /* copy message */ /** * gst_message_copy: @@ -347,10 +412,6 @@ gst_message_unref (GstMessage * msg) * * MT safe */ -#ifdef _FOOL_GTK_DOC_ -G_INLINE_FUNC GstMessage * gst_message_copy (const GstMessage * msg); -#endif - static inline GstMessage * gst_message_copy (const GstMessage * msg) { @@ -379,8 +440,8 @@ gst_message_copy (const GstMessage * msg) #define gst_message_make_writable(msg) GST_MESSAGE_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (msg))) /** * gst_message_replace: - * @old_message: (inout) (transfer full): pointer to a pointer to a #GstMessage - * to be replaced. + * @old_message: (inout) (transfer full) (nullable): pointer to a + * pointer to a #GstMessage to be replaced. * @new_message: (allow-none) (transfer none): pointer to a #GstMessage that will * replace the message pointed to by @old_message. * @@ -389,169 +450,424 @@ gst_message_copy (const GstMessage * msg) * in some cases), and the reference counts are updated appropriately (the old * message is unreffed, the new one is reffed). * - * Either @new_message or the #GstMessage pointed to by @old_message may be NULL. + * Either @new_message or the #GstMessage pointed to by @old_message may be %NULL. * - * Returns: TRUE if @new_message was different from @old_message + * Returns: %TRUE if @new_message was different from @old_message */ -#ifdef _FOOL_GTK_DOC_ -G_INLINE_FUNC gboolean gst_message_replace (GstMessage **old_message, GstMessage *new_message); -#endif - static inline gboolean gst_message_replace (GstMessage **old_message, GstMessage *new_message) { return gst_mini_object_replace ((GstMiniObject **) old_message, (GstMiniObject *) new_message); } +/** + * gst_message_take: + * @old_message: (inout) (transfer full): pointer to a pointer to a #GstMessage + * to be replaced. + * @new_message: (transfer full) (allow-none): pointer to a #GstMessage that + * will replace the message pointed to by @old_message. + * + * Modifies a pointer to a #GstMessage to point to a different #GstMessage. This + * function is similar to gst_message_replace() except that it takes ownership + * of @new_message. + * + * Returns: %TRUE if @new_message was different from @old_message + * + * Since: 1.16 + */ +static inline gboolean +gst_message_take (GstMessage **old_message, GstMessage *new_message) +{ + return gst_mini_object_take ((GstMiniObject **) old_message, + (GstMiniObject *) new_message); +} + /* custom messages */ + +GST_API GstMessage * gst_message_new_custom (GstMessageType type, GstObject * src, GstStructure * structure) G_GNUC_MALLOC; +GST_API const GstStructure * gst_message_get_structure (GstMessage *message); +GST_API +GstStructure * gst_message_writable_structure (GstMessage *message); + +GST_API gboolean gst_message_has_name (GstMessage *message, const gchar *name); /* identifiers for events and messages */ + +GST_API guint32 gst_message_get_seqnum (GstMessage *message); + +GST_API void gst_message_set_seqnum (GstMessage *message, guint32 seqnum); /* EOS */ + +GST_API GstMessage * gst_message_new_eos (GstObject * src) G_GNUC_MALLOC; /* ERROR */ +GST_API GstMessage * gst_message_new_error (GstObject * src, GError * error, const gchar * debug) G_GNUC_MALLOC; + +GST_API +GstMessage * gst_message_new_error_with_details (GstObject * src, GError * error, const gchar * debug, GstStructure * details) G_GNUC_MALLOC; + +GST_API void gst_message_parse_error (GstMessage *message, GError **gerror, gchar **debug); +GST_API +void gst_message_parse_error_details (GstMessage *message, const GstStructure **structure); + /* WARNING */ + +GST_API GstMessage * gst_message_new_warning (GstObject * src, GError * error, const gchar * debug) G_GNUC_MALLOC; + +GST_API +GstMessage * gst_message_new_warning_with_details (GstObject * src, GError * error, const gchar * debug, GstStructure * details) G_GNUC_MALLOC; + +GST_API void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **debug); +GST_API +void gst_message_parse_warning_details (GstMessage *message, const GstStructure **structure); + /* INFO */ + +GST_API GstMessage * gst_message_new_info (GstObject * src, GError * error, const gchar * debug) G_GNUC_MALLOC; + +GST_API +GstMessage * gst_message_new_info_with_details (GstObject * src, GError * error, const gchar * debug, GstStructure * details) G_GNUC_MALLOC; + +GST_API void gst_message_parse_info (GstMessage *message, GError **gerror, gchar **debug); +GST_API +void gst_message_parse_info_details (GstMessage *message, const GstStructure **structure); + /* TAG */ + +GST_API GstMessage * gst_message_new_tag (GstObject * src, GstTagList * tag_list) G_GNUC_MALLOC; + +GST_API void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list); /* BUFFERING */ + +GST_API GstMessage * gst_message_new_buffering (GstObject * src, gint percent) G_GNUC_MALLOC; + +GST_API void gst_message_parse_buffering (GstMessage *message, gint *percent); + +GST_API void gst_message_set_buffering_stats (GstMessage *message, GstBufferingMode mode, gint avg_in, gint avg_out, gint64 buffering_left); +GST_API void gst_message_parse_buffering_stats (GstMessage *message, GstBufferingMode *mode, gint *avg_in, gint *avg_out, gint64 *buffering_left); /* STATE_CHANGED */ + +GST_API GstMessage * gst_message_new_state_changed (GstObject * src, GstState oldstate, GstState newstate, GstState pending) G_GNUC_MALLOC; +GST_API void gst_message_parse_state_changed (GstMessage *message, GstState *oldstate, GstState *newstate, GstState *pending); /* STATE_DIRTY */ + +GST_API GstMessage * gst_message_new_state_dirty (GstObject * src) G_GNUC_MALLOC; /* STEP_DONE */ + +GST_API GstMessage * gst_message_new_step_done (GstObject * src, GstFormat format, guint64 amount, gdouble rate, gboolean flush, gboolean intermediate, guint64 duration, gboolean eos) G_GNUC_MALLOC; +GST_API void gst_message_parse_step_done (GstMessage * message, GstFormat *format, guint64 *amount, gdouble *rate, gboolean *flush, gboolean *intermediate, guint64 *duration, gboolean *eos); /* CLOCK_PROVIDE */ + +GST_API GstMessage * gst_message_new_clock_provide (GstObject * src, GstClock *clock, gboolean ready) G_GNUC_MALLOC; + +GST_API void gst_message_parse_clock_provide (GstMessage *message, GstClock **clock, gboolean *ready); /* CLOCK_LOST */ + +GST_API GstMessage * gst_message_new_clock_lost (GstObject * src, GstClock *clock) G_GNUC_MALLOC; + +GST_API void gst_message_parse_clock_lost (GstMessage *message, GstClock **clock); /* NEW_CLOCK */ + +GST_API GstMessage * gst_message_new_new_clock (GstObject * src, GstClock *clock) G_GNUC_MALLOC; + +GST_API void gst_message_parse_new_clock (GstMessage *message, GstClock **clock); /* APPLICATION */ + +GST_API GstMessage * gst_message_new_application (GstObject * src, GstStructure * structure) G_GNUC_MALLOC; /* ELEMENT */ + +GST_API GstMessage * gst_message_new_element (GstObject * src, GstStructure * structure) G_GNUC_MALLOC; /* SEGMENT_START */ + +GST_API GstMessage * gst_message_new_segment_start (GstObject * src, GstFormat format, gint64 position) G_GNUC_MALLOC; + +GST_API void gst_message_parse_segment_start (GstMessage *message, GstFormat *format, gint64 *position); /* SEGMENT_DONE */ + +GST_API GstMessage * gst_message_new_segment_done (GstObject * src, GstFormat format, gint64 position) G_GNUC_MALLOC; + +GST_API void gst_message_parse_segment_done (GstMessage *message, GstFormat *format, gint64 *position); -/* DURATION */ -GstMessage * gst_message_new_duration (GstObject * src, GstFormat format, gint64 duration) G_GNUC_MALLOC; -void gst_message_parse_duration (GstMessage *message, GstFormat *format, - gint64 *duration); +/* DURATION_CHANGED */ + +GST_API +GstMessage * gst_message_new_duration_changed (GstObject * src) G_GNUC_MALLOC; /* LATENCY */ + +GST_API GstMessage * gst_message_new_latency (GstObject * src) G_GNUC_MALLOC; /* ASYNC_START */ + +GST_API GstMessage * gst_message_new_async_start (GstObject * src) G_GNUC_MALLOC; /* ASYNC_DONE */ -GstMessage * gst_message_new_async_done (GstObject * src, gboolean reset_time) G_GNUC_MALLOC; -void gst_message_parse_async_done (GstMessage *message, gboolean *reset_time); + +GST_API +GstMessage * gst_message_new_async_done (GstObject * src, GstClockTime running_time) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_async_done (GstMessage *message, GstClockTime *running_time); /* STRUCTURE CHANGE */ + +GST_API GstMessage * gst_message_new_structure_change (GstObject * src, GstStructureChangeType type, GstElement *owner, gboolean busy) G_GNUC_MALLOC; +GST_API void gst_message_parse_structure_change (GstMessage *message, GstStructureChangeType *type, GstElement **owner, gboolean *busy); /* STREAM STATUS */ + +GST_API GstMessage * gst_message_new_stream_status (GstObject * src, GstStreamStatusType type, GstElement *owner) G_GNUC_MALLOC; +GST_API void gst_message_parse_stream_status (GstMessage *message, GstStreamStatusType *type, GstElement **owner); +GST_API void gst_message_set_stream_status_object (GstMessage *message, const GValue *object); + +GST_API const GValue * gst_message_get_stream_status_object (GstMessage *message); /* REQUEST_STATE */ + +GST_API GstMessage * gst_message_new_request_state (GstObject * src, GstState state) G_GNUC_MALLOC; + +GST_API void gst_message_parse_request_state (GstMessage * message, GstState *state); /* STEP_START */ + +GST_API GstMessage * gst_message_new_step_start (GstObject * src, gboolean active, GstFormat format, guint64 amount, gdouble rate, gboolean flush, gboolean intermediate) G_GNUC_MALLOC; +GST_API void gst_message_parse_step_start (GstMessage * message, gboolean *active, GstFormat *format, guint64 *amount, gdouble *rate, gboolean *flush, gboolean *intermediate); /* QOS */ + +GST_API GstMessage * gst_message_new_qos (GstObject * src, gboolean live, guint64 running_time, guint64 stream_time, guint64 timestamp, guint64 duration) G_GNUC_MALLOC; +GST_API void gst_message_set_qos_values (GstMessage * message, gint64 jitter, gdouble proportion, gint quality); +GST_API void gst_message_set_qos_stats (GstMessage * message, GstFormat format, guint64 processed, guint64 dropped); +GST_API void gst_message_parse_qos (GstMessage * message, gboolean * live, guint64 * running_time, guint64 * stream_time, guint64 * timestamp, guint64 * duration); +GST_API void gst_message_parse_qos_values (GstMessage * message, gint64 * jitter, gdouble * proportion, gint * quality); +GST_API void gst_message_parse_qos_stats (GstMessage * message, GstFormat * format, guint64 * processed, guint64 * dropped); /* PROGRESS */ + +GST_API GstMessage * gst_message_new_progress (GstObject * src, GstProgressType type, const gchar *code, const gchar *text) G_GNUC_MALLOC; +GST_API void gst_message_parse_progress (GstMessage * message, GstProgressType * type, gchar ** code, gchar ** text); +/* TOC */ + +GST_API +GstMessage * gst_message_new_toc (GstObject *src, GstToc *toc, gboolean updated); + +GST_API +void gst_message_parse_toc (GstMessage *message, GstToc **toc, gboolean *updated); + +/* RESET_TIME */ + +GST_API +GstMessage * gst_message_new_reset_time (GstObject * src, GstClockTime running_time) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_reset_time (GstMessage *message, GstClockTime *running_time); + +/* STREAM_START */ + +GST_API +GstMessage * gst_message_new_stream_start (GstObject * src) G_GNUC_MALLOC; + +GST_API +void gst_message_set_group_id (GstMessage *message, guint group_id); + +GST_API +gboolean gst_message_parse_group_id (GstMessage *message, guint *group_id); + +/* NEED_CONTEXT */ + +GST_API +GstMessage * gst_message_new_need_context (GstObject * src, const gchar * context_type) G_GNUC_MALLOC; + +GST_API +gboolean gst_message_parse_context_type (GstMessage * message, const gchar ** context_type); + +/* HAVE_CONTEXT */ + +GST_API +GstMessage * gst_message_new_have_context (GstObject * src, GstContext *context) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_have_context (GstMessage *message, GstContext **context); + +/* DEVICE_ADDED */ + +GST_API +GstMessage * gst_message_new_device_added (GstObject * src, GstDevice * device) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_device_added (GstMessage * message, GstDevice ** device); + +/* DEVICE_REMOVED */ + +GST_API +GstMessage * gst_message_new_device_removed (GstObject * src, GstDevice * device) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_device_removed (GstMessage * message, GstDevice ** device); + +/* DEVICE_CHANGED */ + +GST_API +GstMessage * gst_message_new_device_changed (GstObject * src, GstDevice * device, GstDevice *changed_device); + +GST_API +void gst_message_parse_device_changed (GstMessage * message, GstDevice ** device, GstDevice ** changed_device); + + +/* PROPERTY_NOTIFY */ + +GST_API +GstMessage * gst_message_new_property_notify (GstObject * src, const gchar * property_name, GValue * val) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_property_notify (GstMessage * message, GstObject ** object, const gchar ** property_name, const GValue ** property_value); + +/* STREAM_COLLECTION */ + +GST_API +GstMessage * gst_message_new_stream_collection (GstObject * src, GstStreamCollection * collection) G_GNUC_MALLOC; + +GST_API +void gst_message_parse_stream_collection (GstMessage *message, GstStreamCollection **collection); + +/* STREAMS_SELECTED */ + +GST_API +GstMessage * gst_message_new_streams_selected (GstObject *src, GstStreamCollection *collection); + +GST_API +void gst_message_streams_selected_add (GstMessage *message, GstStream *stream); + +GST_API +void gst_message_parse_streams_selected (GstMessage * message, GstStreamCollection **collection); + +GST_API +guint gst_message_streams_selected_get_size (GstMessage * message); + +GST_API +GstStream *gst_message_streams_selected_get_stream (GstMessage *message, guint idx); + +/* REDIRECT */ + +GST_API +GstMessage * gst_message_new_redirect (GstObject * src, const gchar * location, GstTagList * tag_list, const GstStructure * entry_struct) G_GNUC_MALLOC; + +GST_API +void gst_message_add_redirect_entry (GstMessage * message, const gchar * location, GstTagList * tag_list, const GstStructure * entry_struct); + +GST_API +void gst_message_parse_redirect_entry (GstMessage * message, gsize entry_index, const gchar ** location, GstTagList ** tag_list, const GstStructure ** entry_struct); + +GST_API +gsize gst_message_get_num_redirect_entries (GstMessage * message); + +#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC +G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstMessage, gst_message_unref) +#endif G_END_DECLS