*
* 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.
*/
#define __GST_QUERY_H__
#include <glib.h>
+#include <glib-object.h>
+#include <gst/gstconfig.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstQuery GstQuery;
-#include <gst/gstiterator.h>
#include <gst/gstminiobject.h>
-#include <gst/gststructure.h>
-#include <gst/gstformat.h>
-#include <gst/gstpad.h>
-G_BEGIN_DECLS
+/**
+ * GstQueryTypeFlags:
+ * @GST_QUERY_TYPE_UPSTREAM: Set if the query can travel upstream.
+ * @GST_QUERY_TYPE_DOWNSTREAM: Set if the query can travel downstream.
+ * @GST_QUERY_TYPE_SERIALIZED: Set if the query should be serialized with data
+ * flow.
+ *
+ * #GstQueryTypeFlags indicate the aspects of the different #GstQueryType
+ * values. You can get the type flags of a #GstQueryType with the
+ * gst_query_type_get_flags() function.
+ */
+typedef enum {
+ GST_QUERY_TYPE_UPSTREAM = 1 << 0,
+ GST_QUERY_TYPE_DOWNSTREAM = 1 << 1,
+ GST_QUERY_TYPE_SERIALIZED = 1 << 2
+} GstQueryTypeFlags;
+
+/**
+ * GST_QUERY_TYPE_BOTH: (value 3) (type GstQueryTypeFlags)
+ *
+ * The same thing as #GST_QUERY_TYPE_UPSTREAM | #GST_QUERY_TYPE_DOWNSTREAM.
+ */
+#define GST_QUERY_TYPE_BOTH \
+ ((GstQueryTypeFlags)(GST_QUERY_TYPE_UPSTREAM | GST_QUERY_TYPE_DOWNSTREAM))
+
+#define GST_QUERY_NUM_SHIFT (8)
+
+/**
+ * GST_QUERY_MAKE_TYPE:
+ * @num: the query number to create
+ * @flags: the query flags
+ *
+ * when making custom query types, use this macro with the num and
+ * the given flags
+ */
+#define GST_QUERY_MAKE_TYPE(num,flags) \
+ (((num) << GST_QUERY_NUM_SHIFT) | (flags))
+
+#define FLAG(name) GST_QUERY_TYPE_##name
+
/**
* GstQueryType:
- * @GST_QUERY_NONE: invalid query type
+ * @GST_QUERY_UNKNOWN: unknown query type
* @GST_QUERY_POSITION: current position in stream
* @GST_QUERY_DURATION: total duration of the stream
* @GST_QUERY_LATENCY: latency of stream
* @GST_QUERY_SEGMENT: segment start/stop positions
* @GST_QUERY_CONVERT: convert values between formats
* @GST_QUERY_FORMATS: query supported formats for convert
- * @GST_QUERY_BUFFERING: query available media for efficient seeking. Since
- * 0.10.20.
- * @GST_QUERY_CUSTOM: a custom application or element defined query. Since
- * 0.10.22.
- * @GST_QUERY_URI: query the URI of the source or sink. Since 0.10.22.
+ * @GST_QUERY_BUFFERING: query available media for efficient seeking.
+ * @GST_QUERY_CUSTOM: a custom application or element defined query.
+ * @GST_QUERY_URI: query the URI of the source or sink.
* @GST_QUERY_ALLOCATION: the buffer allocation properties
* @GST_QUERY_SCHEDULING: the scheduling properties
* @GST_QUERY_ACCEPT_CAPS: the accept caps query
* @GST_QUERY_CAPS: the caps query
+ * @GST_QUERY_DRAIN: wait till all serialized data is consumed downstream
+ * @GST_QUERY_CONTEXT: query the pipeline-local context from
+ * downstream or upstream (since 1.2)
+ * @GST_QUERY_BITRATE: the bitrate query (since 1.16)
*
* Standard predefined Query types
*/
/* NOTE: don't forget to update the table in gstquery.c when changing
* this enum */
typedef enum {
- GST_QUERY_NONE = 0,
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_LATENCY,
- GST_QUERY_JITTER, /* not in draft-query, necessary? */
- GST_QUERY_RATE,
- GST_QUERY_SEEKING,
- GST_QUERY_SEGMENT,
- GST_QUERY_CONVERT,
- GST_QUERY_FORMATS,
- GST_QUERY_BUFFERING,
- GST_QUERY_CUSTOM,
- GST_QUERY_URI,
- GST_QUERY_ALLOCATION,
- GST_QUERY_SCHEDULING,
- GST_QUERY_ACCEPT_CAPS,
- GST_QUERY_CAPS
+ GST_QUERY_UNKNOWN = GST_QUERY_MAKE_TYPE (0, 0),
+ GST_QUERY_POSITION = GST_QUERY_MAKE_TYPE (10, FLAG(BOTH)),
+ GST_QUERY_DURATION = GST_QUERY_MAKE_TYPE (20, FLAG(BOTH)),
+ GST_QUERY_LATENCY = GST_QUERY_MAKE_TYPE (30, FLAG(BOTH)),
+ GST_QUERY_JITTER = GST_QUERY_MAKE_TYPE (40, FLAG(BOTH)),
+ GST_QUERY_RATE = GST_QUERY_MAKE_TYPE (50, FLAG(BOTH)),
+ GST_QUERY_SEEKING = GST_QUERY_MAKE_TYPE (60, FLAG(BOTH)),
+ GST_QUERY_SEGMENT = GST_QUERY_MAKE_TYPE (70, FLAG(BOTH)),
+ GST_QUERY_CONVERT = GST_QUERY_MAKE_TYPE (80, FLAG(BOTH)),
+ GST_QUERY_FORMATS = GST_QUERY_MAKE_TYPE (90, FLAG(BOTH)),
+ GST_QUERY_BUFFERING = GST_QUERY_MAKE_TYPE (110, FLAG(BOTH)),
+ GST_QUERY_CUSTOM = GST_QUERY_MAKE_TYPE (120, FLAG(BOTH)),
+ GST_QUERY_URI = GST_QUERY_MAKE_TYPE (130, FLAG(BOTH)),
+ GST_QUERY_ALLOCATION = GST_QUERY_MAKE_TYPE (140, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
+ GST_QUERY_SCHEDULING = GST_QUERY_MAKE_TYPE (150, FLAG(UPSTREAM)),
+ GST_QUERY_ACCEPT_CAPS = GST_QUERY_MAKE_TYPE (160, FLAG(BOTH)),
+ GST_QUERY_CAPS = GST_QUERY_MAKE_TYPE (170, FLAG(BOTH)),
+ GST_QUERY_DRAIN = GST_QUERY_MAKE_TYPE (180, FLAG(DOWNSTREAM) | FLAG(SERIALIZED)),
+ GST_QUERY_CONTEXT = GST_QUERY_MAKE_TYPE (190, FLAG(BOTH)),
+ GST_QUERY_BITRATE = GST_QUERY_MAKE_TYPE (200, FLAG(DOWNSTREAM)),
} GstQueryType;
+#undef FLAG
-typedef struct _GstQueryTypeDefinition GstQueryTypeDefinition;
-typedef struct _GstQuery GstQuery;
-
-/**
- * GstQueryTypeDefinition:
- * @value: the unique id of the Query type
- * @nick: a short nick
- * @description: a longer description of the query type
- * @quark: the quark for the nick
- *
- * A Query Type definition
- */
-struct _GstQueryTypeDefinition
-{
- GstQueryType value;
- const gchar *nick;
- const gchar *description;
- GQuark quark;
-};
+GST_API GType _gst_query_type;
-#define GST_TYPE_QUERY (gst_query_get_type())
+#define GST_TYPE_QUERY (_gst_query_type)
#define GST_IS_QUERY(obj) (GST_IS_MINI_OBJECT_TYPE (obj, GST_TYPE_QUERY))
#define GST_QUERY_CAST(obj) ((GstQuery*)(obj))
#define GST_QUERY(obj) (GST_QUERY_CAST(obj))
-
/**
* GST_QUERY_TYPE:
* @query: the query to query
* @query: the query to query
*
* Get a constant string representation of the #GstQueryType of the query.
- *
- * Since: 0.10.4
*/
#define GST_QUERY_TYPE_NAME(query) (gst_query_type_get_name(GST_QUERY_TYPE(query)))
+/**
+ * GST_QUERY_IS_UPSTREAM:
+ * @ev: the query to query
+ *
+ * Check if an query can travel upstream.
+ */
+#define GST_QUERY_IS_UPSTREAM(ev) !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_UPSTREAM)
+/**
+ * GST_QUERY_IS_DOWNSTREAM:
+ * @ev: the query to query
+ *
+ * Check if an query can travel downstream.
+ */
+#define GST_QUERY_IS_DOWNSTREAM(ev) !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_DOWNSTREAM)
+/**
+ * GST_QUERY_IS_SERIALIZED:
+ * @ev: the query to query
+ *
+ * Check if an query is serialized with the data stream.
+ */
+#define GST_QUERY_IS_SERIALIZED(ev) !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_SERIALIZED)
+
/**
* GstQuery:
GstQueryType type;
};
-const gchar* gst_query_type_get_name (GstQueryType query);
-GQuark gst_query_type_to_quark (GstQueryType query);
+/**
+ * GstBufferingMode:
+ * @GST_BUFFERING_STREAM: a small amount of data is buffered
+ * @GST_BUFFERING_DOWNLOAD: the stream is being downloaded
+ * @GST_BUFFERING_TIMESHIFT: the stream is being downloaded in a ringbuffer
+ * @GST_BUFFERING_LIVE: the stream is a live stream
+ *
+ * The different types of buffering methods.
+ */
+typedef enum {
+ GST_BUFFERING_STREAM,
+ GST_BUFFERING_DOWNLOAD,
+ GST_BUFFERING_TIMESHIFT,
+ GST_BUFFERING_LIVE
+} GstBufferingMode;
-GType gst_query_get_type (void);
+#include <gst/gstiterator.h>
+#include <gst/gststructure.h>
+#include <gst/gstformat.h>
+#include <gst/gstpad.h>
+#include <gst/gstallocator.h>
+#include <gst/gsttoc.h>
+#include <gst/gstcontext.h>
-/* register a new query */
-GstQueryType gst_query_type_register (const gchar *nick,
- const gchar *description);
-GstQueryType gst_query_type_get_by_nick (const gchar *nick);
+GST_API
+const gchar* gst_query_type_get_name (GstQueryType type);
-/* check if a query is in an array of querys */
-gboolean gst_query_types_contains (const GstQueryType *types,
- GstQueryType type);
+GST_API
+GQuark gst_query_type_to_quark (GstQueryType type);
-/* query for query details */
+GST_API
+GstQueryTypeFlags
+ gst_query_type_get_flags (GstQueryType type);
-const GstQueryTypeDefinition*
- gst_query_type_get_details (GstQueryType type);
-GstIterator* gst_query_type_iterate_definitions (void) G_GNUC_MALLOC;
+
+GST_API
+GType gst_query_get_type (void);
/* refcounting */
/**
*
* Returns: @q
*/
-#ifdef _FOOL_GTK_DOC_
-G_INLINE_FUNC GstQuery * gst_query_ref (GstQuery * q);
-#endif
-
static inline GstQuery *
gst_query_ref (GstQuery * q)
{
* Decreases the refcount of the query. If the refcount reaches 0, the query
* will be freed.
*/
-#ifdef _FOOL_GTK_DOC_
-G_INLINE_FUNC void gst_query_unref (GstQuery * q);
-#endif
-
static inline void
gst_query_unref (GstQuery * q)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (q));
}
+/**
+ * gst_clear_query: (skip)
+ * @query_ptr: a pointer to a #GstQuery reference
+ *
+ * Clears a reference to a #GstQuery.
+ *
+ * @query_ptr must not be %NULL.
+ *
+ * If the reference is %NULL then this function does nothing. Otherwise, the
+ * reference count of the query is decreased and the pointer is set to %NULL.
+ *
+ * Since: 1.16
+ */
+static inline void
+gst_clear_query (GstQuery ** query_ptr)
+{
+ gst_clear_mini_object ((GstMiniObject **) query_ptr);
+}
+
/* copy query */
/**
* gst_query_copy:
*
* Returns: (transfer full): a new copy of @q.
*/
-#ifdef _FOOL_GTK_DOC_
-G_INLINE_FUNC GstQuery * gst_query_copy (const GstQuery * q);
-#endif
-
static inline GstQuery *
gst_query_copy (const GstQuery * q)
{
#define gst_query_make_writable(q) GST_QUERY_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (q)))
/**
* gst_query_replace:
- * @old_query: (inout) (transfer full): pointer to a pointer to a #GstQuery
- * to be replaced.
+ * @old_query: (inout) (transfer full) (nullable): pointer to a pointer to a
+ * #GstQuery to be replaced.
* @new_query: (allow-none) (transfer none): pointer to a #GstQuery that will
* replace the query pointed to by @old_query.
*
* in some cases), and the reference counts are updated appropriately (the old
* query is unreffed, the new one is reffed).
*
- * Either @new_query or the #GstQuery pointed to by @old_query may be NULL.
+ * Either @new_query or the #GstQuery pointed to by @old_query may be %NULL.
*
- * Returns: TRUE if @new_query was different from @old_query
+ * Returns: %TRUE if @new_query was different from @old_query
*/
-#ifdef _FOOL_GTK_DOC_
-G_INLINE_FUNC gboolean gst_query_replace (GstQuery **old_query, GstQuery *new_query);
-#endif
-
static inline gboolean
gst_query_replace (GstQuery **old_query, GstQuery *new_query)
{
return gst_mini_object_replace ((GstMiniObject **) old_query, (GstMiniObject *) new_query);
}
+/**
+ * gst_query_take:
+ * @old_query: (inout) (transfer full) (nullable): pointer to a
+ * pointer to a #GstQuery to be stolen.
+ * @new_query: (allow-none) (transfer full): pointer to a #GstQuery that will
+ * replace the query pointed to by @old_query.
+ *
+ * Modifies a pointer to a #GstQuery to point to a different #GstQuery. This
+ * function is similar to gst_query_replace() except that it takes ownership of
+ * @new_query.
+ *
+ * Either @new_query or the #GstQuery pointed to by @old_query may be %NULL.
+ *
+ * Returns: %TRUE if @new_query was different from @old_query
+ *
+ * Since: 1.16
+ */
+static inline gboolean
+gst_query_take (GstQuery **old_query, GstQuery *new_query)
+{
+ return gst_mini_object_take ((GstMiniObject **) old_query,
+ (GstMiniObject *) new_query);
+}
+
/* application specific query */
+
+GST_API
GstQuery * gst_query_new_custom (GstQueryType type, GstStructure *structure) G_GNUC_MALLOC;
+
+GST_API
const GstStructure *
gst_query_get_structure (GstQuery *query);
+
+GST_API
GstStructure * gst_query_writable_structure (GstQuery *query);
/* position query */
+
+GST_API
GstQuery* gst_query_new_position (GstFormat format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_position (GstQuery *query, GstFormat format, gint64 cur);
+
+GST_API
void gst_query_parse_position (GstQuery *query, GstFormat *format, gint64 *cur);
/* duration query */
+
+GST_API
GstQuery* gst_query_new_duration (GstFormat format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_duration (GstQuery *query, GstFormat format, gint64 duration);
+
+GST_API
void gst_query_parse_duration (GstQuery *query, GstFormat *format, gint64 *duration);
/* latency query */
+
+GST_API
GstQuery* gst_query_new_latency (void) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_latency (GstQuery *query, gboolean live, GstClockTime min_latency,
GstClockTime max_latency);
+
+GST_API
void gst_query_parse_latency (GstQuery *query, gboolean *live, GstClockTime *min_latency,
GstClockTime *max_latency);
/* convert query */
+
+GST_API
GstQuery* gst_query_new_convert (GstFormat src_format, gint64 value, GstFormat dest_format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_convert (GstQuery *query, GstFormat src_format, gint64 src_value,
GstFormat dest_format, gint64 dest_value);
+
+GST_API
void gst_query_parse_convert (GstQuery *query, GstFormat *src_format, gint64 *src_value,
GstFormat *dest_format, gint64 *dest_value);
/* segment query */
+
+GST_API
GstQuery* gst_query_new_segment (GstFormat format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_segment (GstQuery *query, gdouble rate, GstFormat format,
gint64 start_value, gint64 stop_value);
+
+GST_API
void gst_query_parse_segment (GstQuery *query, gdouble *rate, GstFormat *format,
gint64 *start_value, gint64 *stop_value);
/* seeking query */
+
+GST_API
GstQuery* gst_query_new_seeking (GstFormat format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_seeking (GstQuery *query, GstFormat format,
gboolean seekable,
gint64 segment_start,
gint64 segment_end);
+
+GST_API
void gst_query_parse_seeking (GstQuery *query, GstFormat *format,
gboolean *seekable,
gint64 *segment_start,
gint64 *segment_end);
/* formats query */
+
+GST_API
GstQuery* gst_query_new_formats (void) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_formats (GstQuery *query, gint n_formats, ...);
+
+GST_API
void gst_query_set_formatsv (GstQuery *query, gint n_formats, const GstFormat *formats);
+
+GST_API
void gst_query_parse_n_formats (GstQuery *query, guint *n_formats);
+
+GST_API
void gst_query_parse_nth_format (GstQuery *query, guint nth, GstFormat *format);
/* buffering query */
-/**
- * GstBufferingMode:
- * @GST_BUFFERING_STREAM: a small amount of data is buffered
- * @GST_BUFFERING_DOWNLOAD: the stream is being downloaded
- * @GST_BUFFERING_TIMESHIFT: the stream is being downloaded in a ringbuffer
- * @GST_BUFFERING_LIVE: the stream is a live stream
- *
- * The different types of buffering methods.
- */
-typedef enum {
- GST_BUFFERING_STREAM,
- GST_BUFFERING_DOWNLOAD,
- GST_BUFFERING_TIMESHIFT,
- GST_BUFFERING_LIVE
-} GstBufferingMode;
+GST_API
GstQuery* gst_query_new_buffering (GstFormat format) G_GNUC_MALLOC;
+
+GST_API
void gst_query_set_buffering_percent (GstQuery *query, gboolean busy, gint percent);
+
+GST_API
void gst_query_parse_buffering_percent (GstQuery *query, gboolean *busy, gint *percent);
+GST_API
void gst_query_set_buffering_stats (GstQuery *query, GstBufferingMode mode,
gint avg_in, gint avg_out,
gint64 buffering_left);
+
+GST_API
void gst_query_parse_buffering_stats (GstQuery *query, GstBufferingMode *mode,
gint *avg_in, gint *avg_out,
gint64 *buffering_left);
+GST_API
void gst_query_set_buffering_range (GstQuery *query, GstFormat format,
gint64 start, gint64 stop,
gint64 estimated_total);
+
+GST_API
void gst_query_parse_buffering_range (GstQuery *query, GstFormat *format,
gint64 *start, gint64 *stop,
gint64 *estimated_total);
+GST_API
gboolean gst_query_add_buffering_range (GstQuery *query,
gint64 start, gint64 stop);
+
+GST_API
guint gst_query_get_n_buffering_ranges (GstQuery *query);
+
+GST_API
gboolean gst_query_parse_nth_buffering_range (GstQuery *query,
guint index, gint64 *start,
gint64 *stop);
/* URI query */
-GstQuery * gst_query_new_uri (void) G_GNUC_MALLOC;
-void gst_query_parse_uri (GstQuery *query, gchar **uri);
-void gst_query_set_uri (GstQuery *query, const gchar *uri);
+
+GST_API
+GstQuery * gst_query_new_uri (void) G_GNUC_MALLOC;
+
+GST_API
+void gst_query_parse_uri (GstQuery *query, gchar **uri);
+
+GST_API
+void gst_query_set_uri (GstQuery *query, const gchar *uri);
+
+GST_API
+void gst_query_parse_uri_redirection (GstQuery *query, gchar **uri);
+
+GST_API
+void gst_query_set_uri_redirection (GstQuery *query, const gchar *uri);
+
+GST_API
+void gst_query_parse_uri_redirection_permanent (GstQuery *query, gboolean * permanent);
+
+GST_API
+void gst_query_set_uri_redirection_permanent (GstQuery *query, gboolean permanent);
/* allocation query */
-GstQuery * gst_query_new_allocation (GstCaps *caps, gboolean need_pool) G_GNUC_MALLOC;
-void gst_query_parse_allocation (GstQuery *query, GstCaps **caps, gboolean *need_pool);
-void gst_query_set_allocation_params (GstQuery *query, guint size, guint min_buffers,
- guint max_buffers, guint prefix, guint alignment,
- GstBufferPool *pool);
-void gst_query_parse_allocation_params (GstQuery *query, guint *size, guint *min_buffers,
- guint *max_buffers, guint *prefix, guint *alignment,
- GstBufferPool **pool);
+GST_API
+GstQuery * gst_query_new_allocation (GstCaps *caps, gboolean need_pool) G_GNUC_MALLOC;
+
+GST_API
+void gst_query_parse_allocation (GstQuery *query, GstCaps **caps, gboolean *need_pool);
+
+/* pools */
+
+GST_API
+void gst_query_add_allocation_pool (GstQuery *query, GstBufferPool *pool,
+ guint size, guint min_buffers,
+ guint max_buffers);
+
+GST_API
+guint gst_query_get_n_allocation_pools (GstQuery *query);
+
+GST_API
+void gst_query_parse_nth_allocation_pool (GstQuery *query, guint index,
+ GstBufferPool **pool,
+ guint *size, guint *min_buffers,
+ guint *max_buffers);
+
+GST_API
+void gst_query_set_nth_allocation_pool (GstQuery *query, guint index,
+ GstBufferPool *pool,
+ guint size, guint min_buffers,
+ guint max_buffers);
+
+GST_API
+void gst_query_remove_nth_allocation_pool (GstQuery *query, guint index);
-void gst_query_add_allocation_meta (GstQuery *query, const gchar *api);
-guint gst_query_get_n_allocation_metas (GstQuery *query);
-const gchar * gst_query_parse_nth_allocation_meta (GstQuery *query, guint index);
-gboolean gst_query_has_allocation_meta (GstQuery *query, const gchar *api);
+/* allocators */
+
+GST_API
+void gst_query_add_allocation_param (GstQuery *query, GstAllocator *allocator,
+ const GstAllocationParams *params);
+
+GST_API
+guint gst_query_get_n_allocation_params (GstQuery *query);
+
+GST_API
+void gst_query_parse_nth_allocation_param (GstQuery *query, guint index,
+ GstAllocator **allocator,
+ GstAllocationParams *params);
+
+GST_API
+void gst_query_set_nth_allocation_param (GstQuery *query, guint index,
+ GstAllocator *allocator,
+ const GstAllocationParams *params);
+
+GST_API
+void gst_query_remove_nth_allocation_param (GstQuery *query, guint index);
+
+/* metadata */
+
+GST_API
+void gst_query_add_allocation_meta (GstQuery *query, GType api, const GstStructure *params);
+
+GST_API
+guint gst_query_get_n_allocation_metas (GstQuery *query);
+
+GST_API
+GType gst_query_parse_nth_allocation_meta (GstQuery *query, guint index,
+ const GstStructure **params);
+
+GST_API
+void gst_query_remove_nth_allocation_meta (GstQuery *query, guint index);
+
+GST_API
+gboolean gst_query_find_allocation_meta (GstQuery *query, GType api, guint *index);
-void gst_query_add_allocation_memory (GstQuery *query, GstAllocator *allocator);
-guint gst_query_get_n_allocation_memories (GstQuery *query);
-GstAllocator * gst_query_parse_nth_allocation_memory (GstQuery *query, guint index);
/* scheduling query */
/**
* GstSchedulingFlags:
* @GST_SCHEDULING_FLAG_SEEKABLE: if seeking is possible
* @GST_SCHEDULING_FLAG_SEQUENTIAL: if sequential access is recommended
+ * @GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED: if bandwidth is limited and buffering possible (since 1.2)
*
* The different scheduling flags.
*/
typedef enum {
- GST_SCHEDULING_FLAG_SEEKABLE = (1 << 0),
- GST_SCHEDULING_FLAG_SEQUENTIAL = (1 << 1)
+ GST_SCHEDULING_FLAG_SEEKABLE = (1 << 0),
+ GST_SCHEDULING_FLAG_SEQUENTIAL = (1 << 1),
+ GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED = (1 << 2)
} GstSchedulingFlags;
+GST_API
GstQuery * gst_query_new_scheduling (void) G_GNUC_MALLOC;
+GST_API
void gst_query_set_scheduling (GstQuery *query, GstSchedulingFlags flags,
gint minsize, gint maxsize, gint align);
+
+GST_API
void gst_query_parse_scheduling (GstQuery *query, GstSchedulingFlags *flags,
gint *minsize, gint *maxsize, gint *align);
+GST_API
void gst_query_add_scheduling_mode (GstQuery *query, GstPadMode mode);
+
+GST_API
guint gst_query_get_n_scheduling_modes (GstQuery *query);
+
+GST_API
GstPadMode gst_query_parse_nth_scheduling_mode (GstQuery *query, guint index);
+
+GST_API
gboolean gst_query_has_scheduling_mode (GstQuery *query, GstPadMode mode);
+GST_API
+gboolean gst_query_has_scheduling_mode_with_flags (GstQuery * query, GstPadMode mode,
+ GstSchedulingFlags flags);
+
/* accept-caps query */
+
+GST_API
GstQuery * gst_query_new_accept_caps (GstCaps *caps) G_GNUC_MALLOC;
+
+GST_API
void gst_query_parse_accept_caps (GstQuery *query, GstCaps **caps);
+
+GST_API
void gst_query_set_accept_caps_result (GstQuery *query, gboolean result);
+
+GST_API
void gst_query_parse_accept_caps_result (GstQuery *query, gboolean *result);
/* caps query */
+
+GST_API
GstQuery * gst_query_new_caps (GstCaps *filter) G_GNUC_MALLOC;
+
+GST_API
void gst_query_parse_caps (GstQuery *query, GstCaps **filter);
+GST_API
void gst_query_set_caps_result (GstQuery *query, GstCaps *caps);
+
+GST_API
void gst_query_parse_caps_result (GstQuery *query, GstCaps **caps);
-void gst_query_intersect_caps_result (GstQuery *query, GstCaps *filter,
- GstCapsIntersectMode mode);
+/* drain query */
+
+GST_API
+GstQuery * gst_query_new_drain (void) G_GNUC_MALLOC;
+
+/* context query */
+
+GST_API
+GstQuery * gst_query_new_context (const gchar * context_type) G_GNUC_MALLOC;
+
+GST_API
+gboolean gst_query_parse_context_type (GstQuery * query, const gchar ** context_type);
+
+GST_API
+void gst_query_set_context (GstQuery *query, GstContext *context);
+
+GST_API
+void gst_query_parse_context (GstQuery *query, GstContext **context);
+
+/* bitrate query */
+
+GST_API
+GstQuery * gst_query_new_bitrate (void) G_GNUC_MALLOC;
+
+GST_API
+void gst_query_set_bitrate (GstQuery * query, guint nominal_bitrate);
+
+GST_API
+void gst_query_parse_bitrate (GstQuery * query, guint * nominal_bitrate);
+
+#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstQuery, gst_query_unref)
+#endif
G_END_DECLS
projects / platform / upstream / gstreamer.git / blobdiff