*/
#define GST_BASE_SINK_PAD(obj) (GST_BASE_SINK_CAST (obj)->sinkpad)
+#define GST_BASE_SINK_GET_PREROLL_LOCK(pad) (GST_BASE_SINK_CAST(pad)->preroll_lock)
+#define GST_BASE_SINK_PREROLL_LOCK(pad) (g_mutex_lock(GST_BASE_SINK_GET_PREROLL_LOCK(pad)))
+#define GST_BASE_SINK_PREROLL_TRYLOCK(pad) (g_mutex_trylock(GST_BASE_SINK_GET_PREROLL_LOCK(pad)))
+#define GST_BASE_SINK_PREROLL_UNLOCK(pad) (g_mutex_unlock(GST_BASE_SINK_GET_PREROLL_LOCK(pad)))
+
+#define GST_BASE_SINK_GET_PREROLL_COND(pad) (GST_BASE_SINK_CAST(pad)->preroll_cond)
+#define GST_BASE_SINK_PREROLL_WAIT(pad) \
+ g_cond_wait (GST_BASE_SINK_GET_PREROLL_COND (pad), GST_BASE_SINK_GET_PREROLL_LOCK (pad))
+#define GST_BASE_SINK_PREROLL_TIMED_WAIT(pad, timeval) \
+ g_cond_timed_wait (GST_BASE_SINK_GET_PREROLL_COND (pad), GST_BASE_SINK_GET_PREROLL_LOCK (pad), timeval)
+#define GST_BASE_SINK_PREROLL_SIGNAL(pad) g_cond_signal (GST_BASE_SINK_GET_PREROLL_COND (pad));
+#define GST_BASE_SINK_PREROLL_BROADCAST(pad) g_cond_broadcast (GST_BASE_SINK_GET_PREROLL_COND (pad));
+
typedef struct _GstBaseSink GstBaseSink;
typedef struct _GstBaseSinkClass GstBaseSinkClass;
typedef struct _GstBaseSinkPrivate GstBaseSinkPrivate;
gboolean can_activate_push;
/*< protected >*/ /* with PREROLL_LOCK */
- GQueue *preroll_queue;
- gint preroll_queue_max_len; /* FIXME-0.11: the property is guint */
- gint preroll_queued;
- gint buffers_queued;
- gint events_queued;
+ GMutex *preroll_lock;
+ GCond *preroll_cond;
gboolean eos;
gboolean eos_queued;
gboolean need_preroll;
/*< protected >*/ /* with STREAM_LOCK */
gboolean have_newsegment;
GstSegment segment;
+ GstSegment clip_segment;
/*< private >*/ /* with LOCK */
GstClockID clock_id;
GstClockTime end_time;
gboolean sync;
gboolean flushing;
+ gboolean running;
- /*< private >*/
- union {
- struct {
- /* segment used for clipping incoming buffers */
- GstSegment *clip_segment;
- /* max amount of time a buffer can be late, -1 no limit. */
- gint64 max_lateness;
- gboolean running;
- } ABI;
- gpointer _gst_reserved[GST_PADDING_LARGE - 1];
- } abidata;
+ gint64 max_lateness;
+ /*< private >*/
GstBaseSinkPrivate *priv;
+
+ gpointer _gst_reserved[GST_PADDING_LARGE];
};
/**
* @parent_class: Element parent class
* @get_caps: Called to get sink pad caps from the subclass
* @set_caps: Notify subclass of changed caps
- * @buffer_alloc: Subclasses can override to perform custom buffer allocations
+ * @fixate: Only useful in pull mode, this vmethod will be called in response to
+ * gst_pad_fixate_caps() being called on the sink pad. Implement if you have
+ * ideas about what should be the default values for the caps you support.
+ * @activate_pull: Subclasses should override this when they can provide an
+ * alternate method of spawning a thread to drive the pipeline in pull mode.
+ * Should start or stop the pulling thread, depending on the value of the
+ * "active" argument. Called after actually activating the sink pad in pull
+ * mode. The default implementation starts a task on the sink pad.
* @get_times: Called to get the start and end times for synchronising
* the passed buffer to the clock
+ * @propose_allocation: configure the allocation query
* @start: Start processing. Ideal for opening resources in the subclass
* @stop: Stop processing. Subclasses should use this to close resources.
* @unlock: Unlock any pending access to the resource. Subclasses should
* correct moment if the #GstBaseSink has been set to sync to the clock.
* @render_list: Same as @render but used whith buffer lists instead of
* buffers. Since: 0.10.24
- * @async_play: Subclasses should override this when they need to perform
- * special processing when changing to the PLAYING state asynchronously.
- * Called with the OBJECT_LOCK held.
- * @activate_pull: Subclasses should override this when they can provide an
- * alternate method of spawning a thread to drive the pipeline in pull mode.
- * Should start or stop the pulling thread, depending on the value of the
- * "active" argument. Called after actually activating the sink pad in pull
- * mode. The default implementation starts a task on the sink pad.
- * @fixate: Only useful in pull mode, this vmethod will be called in response to
- * gst_pad_fixate_caps() being called on the sink pad. Implement if you have
- * ideas about what should be the default values for the caps you support.
* @query: perform a #GstQuery on the element. Since: 0.10.36
*
* Subclasses can override any of the available virtual methods or not, as
GstElementClass parent_class;
/* get caps from subclass */
- GstCaps* (*get_caps) (GstBaseSink *sink);
+ GstCaps* (*get_caps) (GstBaseSink *sink, GstCaps *filter);
/* notify subclass of new caps */
gboolean (*set_caps) (GstBaseSink *sink, GstCaps *caps);
- /* allocate a new buffer with given caps */
- GstFlowReturn (*buffer_alloc) (GstBaseSink *sink, guint64 offset, guint size,
- GstCaps *caps, GstBuffer **buf);
+ /* fixate sink caps during pull-mode negotiation */
+ void (*fixate) (GstBaseSink *sink, GstCaps *caps);
+ /* start or stop a pulling thread */
+ gboolean (*activate_pull)(GstBaseSink *sink, gboolean active);
/* get the start and end times for syncing on this buffer */
void (*get_times) (GstBaseSink *sink, GstBuffer *buffer,
GstClockTime *start, GstClockTime *end);
+ /* propose allocation parameters for upstream */
+ gboolean (*propose_allocation) (GstBaseSink *sink, GstQuery *query);
+
/* start and stop processing, ideal for opening/closing the resource */
gboolean (*start) (GstBaseSink *sink);
gboolean (*stop) (GstBaseSink *sink);
/* unlock any pending access to the resource. subclasses should unlock
* any function ASAP. */
gboolean (*unlock) (GstBaseSink *sink);
-
- /* notify subclass of event, preroll buffer or real buffer */
- gboolean (*event) (GstBaseSink *sink, GstEvent *event);
- GstFlowReturn (*preroll) (GstBaseSink *sink, GstBuffer *buffer);
- GstFlowReturn (*render) (GstBaseSink *sink, GstBuffer *buffer);
-
- /* ABI additions */
-
- /* when an ASYNC state change to PLAYING happens */ /* with LOCK */
- GstStateChangeReturn (*async_play) (GstBaseSink *sink);
-
- /* start or stop a pulling thread */
- gboolean (*activate_pull)(GstBaseSink *sink, gboolean active);
-
- /* fixate sink caps during pull-mode negotiation */
- void (*fixate) (GstBaseSink *sink, GstCaps *caps);
-
/* Clear a previously indicated unlock request not that unlocking is
* complete. Sub-classes should clear any command queue or indicator they
* set during unlock */
gboolean (*unlock_stop) (GstBaseSink *sink);
- /* Render a BufferList */
- GstFlowReturn (*render_list) (GstBaseSink *sink, GstBufferList *buffer_list);
-
/* notify subclass of query */
gboolean (*query) (GstBaseSink *sink, GstQuery *query);
+ /* notify subclass of event, preroll buffer or real buffer */
+ gboolean (*event) (GstBaseSink *sink, GstEvent *event);
+
+ GstFlowReturn (*preroll) (GstBaseSink *sink, GstBuffer *buffer);
+ GstFlowReturn (*render) (GstBaseSink *sink, GstBuffer *buffer);
+ /* Render a BufferList */
+ GstFlowReturn (*render_list) (GstBaseSink *sink, GstBufferList *buffer_list);
+
/*< private >*/
- gpointer _gst_reserved[GST_PADDING_LARGE-6];
+ gpointer _gst_reserved[GST_PADDING_LARGE];
};
GType gst_base_sink_get_type(void);
projects / platform / upstream / gstreamer.git / blobdiff