GstQuery

GstQuery

Functions

#define GST_QUERY_MAKE_TYPE()
#define GST_QUERY_TYPE()
#define GST_QUERY_TYPE_NAME()
#define GST_QUERY_IS_UPSTREAM()
#define GST_QUERY_IS_DOWNSTREAM()
#define GST_QUERY_IS_SERIALIZED()
GstQueryTypeFlags gst_query_type_get_flags ()
const gchar * gst_query_type_get_name ()
GQuark gst_query_type_to_quark ()
GstQuery * gst_query_ref ()
void gst_query_unref ()
GstQuery * gst_query_copy ()
#define gst_query_make_writable()
#define gst_query_is_writable()
gboolean gst_query_replace ()
GstStructure * gst_query_writable_structure ()
GstQuery * gst_query_new_custom ()
const GstStructure * gst_query_get_structure ()
GstQuery * gst_query_new_convert ()
void gst_query_set_convert ()
void gst_query_parse_convert ()
GstQuery * gst_query_new_position ()
void gst_query_set_position ()
void gst_query_parse_position ()
GstQuery * gst_query_new_duration ()
void gst_query_set_duration ()
void gst_query_parse_duration ()
GstQuery * gst_query_new_latency ()
void gst_query_parse_latency ()
void gst_query_set_latency ()
GstQuery * gst_query_new_seeking ()
void gst_query_set_seeking ()
void gst_query_parse_seeking ()
GstQuery * gst_query_new_formats ()
void gst_query_set_formats ()
void gst_query_set_formatsv ()
void gst_query_parse_n_formats ()
void gst_query_parse_nth_format ()
GstQuery * gst_query_new_segment ()
void gst_query_set_segment ()
void gst_query_parse_segment ()
GstQuery * gst_query_new_caps ()
void gst_query_parse_caps ()
void gst_query_set_caps_result ()
void gst_query_parse_caps_result ()
GstQuery * gst_query_new_accept_caps ()
void gst_query_parse_accept_caps ()
void gst_query_set_accept_caps_result ()
void gst_query_parse_accept_caps_result ()
GstQuery * gst_query_new_buffering ()
void gst_query_set_buffering_percent ()
void gst_query_parse_buffering_percent ()
void gst_query_set_buffering_stats ()
void gst_query_parse_buffering_stats ()
void gst_query_set_buffering_range ()
void gst_query_parse_buffering_range ()
gboolean gst_query_add_buffering_range ()
guint gst_query_get_n_buffering_ranges ()
gboolean gst_query_parse_nth_buffering_range ()
GstQuery * gst_query_new_uri ()
void gst_query_parse_uri ()
void gst_query_set_uri ()
void gst_query_parse_uri_redirection ()
void gst_query_set_uri_redirection ()
void gst_query_parse_uri_redirection_permanent ()
void gst_query_set_uri_redirection_permanent ()
GstQuery * gst_query_new_allocation ()
void gst_query_parse_allocation ()
void gst_query_add_allocation_pool ()
guint gst_query_get_n_allocation_pools ()
void gst_query_parse_nth_allocation_pool ()
void gst_query_set_nth_allocation_pool ()
void gst_query_remove_nth_allocation_pool ()
void gst_query_add_allocation_param ()
guint gst_query_get_n_allocation_params ()
void gst_query_parse_nth_allocation_param ()
void gst_query_set_nth_allocation_param ()
void gst_query_remove_nth_allocation_param ()
void gst_query_add_allocation_meta ()
guint gst_query_get_n_allocation_metas ()
GType gst_query_parse_nth_allocation_meta ()
void gst_query_remove_nth_allocation_meta ()
gboolean gst_query_find_allocation_meta ()
GstQuery * gst_query_new_scheduling ()
void gst_query_parse_scheduling ()
void gst_query_set_scheduling ()
void gst_query_add_scheduling_mode ()
guint gst_query_get_n_scheduling_modes ()
GstPadMode gst_query_parse_nth_scheduling_mode ()
gboolean gst_query_has_scheduling_mode ()
gboolean gst_query_has_scheduling_mode_with_flags ()
GstQuery * gst_query_new_drain ()
GstQuery * gst_query_new_context ()
void gst_query_set_context ()
void gst_query_parse_context ()
gboolean gst_query_parse_context_type ()

Types and Values

Object Hierarchy

    GBoxed
    ╰── GstQuery

Includes

#include <gst/gst.h>

Description

Functions

GST_QUERY_MAKE_TYPE()

#define             GST_QUERY_MAKE_TYPE(num,flags)

GST_QUERY_TYPE()

#define GST_QUERY_TYPE(query)  (((GstQuery*)(query))->type)

GST_QUERY_TYPE_NAME()

#define GST_QUERY_TYPE_NAME(query) (gst_query_type_get_name(GST_QUERY_TYPE(query)))

GST_QUERY_IS_UPSTREAM()

#define GST_QUERY_IS_UPSTREAM(ev)       !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_UPSTREAM)

GST_QUERY_IS_DOWNSTREAM()

#define GST_QUERY_IS_DOWNSTREAM(ev)     !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_DOWNSTREAM)

GST_QUERY_IS_SERIALIZED()

#define GST_QUERY_IS_SERIALIZED(ev)     !!(GST_QUERY_TYPE (ev) & GST_QUERY_TYPE_SERIALIZED)

gst_query_type_get_flags ()

GstQueryTypeFlags
gst_query_type_get_flags (GstQueryType type);

gst_query_type_get_name ()

const gchar *
gst_query_type_get_name (GstQueryType type);

gst_query_type_to_quark ()

GQuark
gst_query_type_to_quark (GstQueryType type);

gst_query_ref ()

GstQuery *
gst_query_ref (GstQuery *q);

gst_query_unref ()

void
gst_query_unref (GstQuery *q);

gst_query_copy ()

GstQuery *
gst_query_copy (const GstQuery *q);

gst_query_make_writable()

#define         gst_query_make_writable(q)      GST_QUERY_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (q)))

gst_query_is_writable()

#define         gst_query_is_writable(q)     gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (q))

gst_query_replace ()

gboolean
gst_query_replace (GstQuery **old_query,
                   GstQuery *new_query);

gst_query_writable_structure ()

GstStructure *
gst_query_writable_structure (GstQuery *query);

gst_query_new_custom ()

GstQuery *
gst_query_new_custom (GstQueryType type,
                      GstStructure *structure);

gst_query_get_structure ()

const GstStructure *
gst_query_get_structure (GstQuery *query);

gst_query_new_convert ()

GstQuery *
gst_query_new_convert (GstFormat src_format,
                       gint64 value,
                       GstFormat dest_format);

gst_query_set_convert ()

void
gst_query_set_convert (GstQuery *query,
                       GstFormat src_format,
                       gint64 src_value,
                       GstFormat dest_format,
                       gint64 dest_value);

gst_query_parse_convert ()

void
gst_query_parse_convert (GstQuery *query,
                         GstFormat *src_format,
                         gint64 *src_value,
                         GstFormat *dest_format,
                         gint64 *dest_value);

gst_query_new_position ()

GstQuery *
gst_query_new_position (GstFormat format);

gst_query_set_position ()

void
gst_query_set_position (GstQuery *query,
                        GstFormat format,
                        gint64 cur);

gst_query_parse_position ()

void
gst_query_parse_position (GstQuery *query,
                          GstFormat *format,
                          gint64 *cur);

gst_query_new_duration ()

GstQuery *
gst_query_new_duration (GstFormat format);

gst_query_set_duration ()

void
gst_query_set_duration (GstQuery *query,
                        GstFormat format,
                        gint64 duration);

gst_query_parse_duration ()

void
gst_query_parse_duration (GstQuery *query,
                          GstFormat *format,
                          gint64 *duration);

gst_query_new_latency ()

GstQuery *
gst_query_new_latency (void);

gst_query_parse_latency ()

void
gst_query_parse_latency (GstQuery *query,
                         gboolean *live,
                         GstClockTime *min_latency,
                         GstClockTime *max_latency);

gst_query_set_latency ()

void
gst_query_set_latency (GstQuery *query,
                       gboolean live,
                       GstClockTime min_latency,
                       GstClockTime max_latency);

gst_query_new_seeking ()

GstQuery *
gst_query_new_seeking (GstFormat format);

gst_query_set_seeking ()

void
gst_query_set_seeking (GstQuery *query,
                       GstFormat format,
                       gboolean seekable,
                       gint64 segment_start,
                       gint64 segment_end);

gst_query_parse_seeking ()

void
gst_query_parse_seeking (GstQuery *query,
                         GstFormat *format,
                         gboolean *seekable,
                         gint64 *segment_start,
                         gint64 *segment_end);

gst_query_new_formats ()

GstQuery *
gst_query_new_formats (void);

gst_query_set_formats ()

void
gst_query_set_formats (GstQuery *query,
                       gint n_formats,
                       ...);

gst_query_set_formatsv ()

void
gst_query_set_formatsv (GstQuery *query,
                        gint n_formats,
                        const GstFormat *formats);

gst_query_parse_n_formats ()

void
gst_query_parse_n_formats (GstQuery *query,
                           guint *n_formats);

gst_query_parse_nth_format ()

void
gst_query_parse_nth_format (GstQuery *query,
                            guint nth,
                            GstFormat *format);

gst_query_new_segment ()

GstQuery *
gst_query_new_segment (GstFormat format);

gst_query_set_segment ()

void
gst_query_set_segment (GstQuery *query,
                       gdouble rate,
                       GstFormat format,
                       gint64 start_value,
                       gint64 stop_value);

gst_query_parse_segment ()

void
gst_query_parse_segment (GstQuery *query,
                         gdouble *rate,
                         GstFormat *format,
                         gint64 *start_value,
                         gint64 *stop_value);

gst_query_new_caps ()

GstQuery *
gst_query_new_caps (GstCaps *filter);

gst_query_parse_caps ()

void
gst_query_parse_caps (GstQuery *query,
                      GstCaps **filter);

gst_query_set_caps_result ()

void
gst_query_set_caps_result (GstQuery *query,
                           GstCaps *caps);

gst_query_parse_caps_result ()

void
gst_query_parse_caps_result (GstQuery *query,
                             GstCaps **caps);

gst_query_new_accept_caps ()

GstQuery *
gst_query_new_accept_caps (GstCaps *caps);

gst_query_parse_accept_caps ()

void
gst_query_parse_accept_caps (GstQuery *query,
                             GstCaps **caps);

gst_query_set_accept_caps_result ()

void
gst_query_set_accept_caps_result (GstQuery *query,
                                  gboolean result);

gst_query_parse_accept_caps_result ()

void
gst_query_parse_accept_caps_result (GstQuery *query,
                                    gboolean *result);

gst_query_new_buffering ()

GstQuery *
gst_query_new_buffering (GstFormat format);

gst_query_set_buffering_percent ()

void
gst_query_set_buffering_percent (GstQuery *query,
                                 gboolean busy,
                                 gint percent);

gst_query_parse_buffering_percent ()

void
gst_query_parse_buffering_percent (GstQuery *query,
                                   gboolean *busy,
                                   gint *percent);

gst_query_set_buffering_stats ()

void
gst_query_set_buffering_stats (GstQuery *query,
                               GstBufferingMode mode,
                               gint avg_in,
                               gint avg_out,
                               gint64 buffering_left);

gst_query_parse_buffering_stats ()

void
gst_query_parse_buffering_stats (GstQuery *query,
                                 GstBufferingMode *mode,
                                 gint *avg_in,
                                 gint *avg_out,
                                 gint64 *buffering_left);

gst_query_set_buffering_range ()

void
gst_query_set_buffering_range (GstQuery *query,
                               GstFormat format,
                               gint64 start,
                               gint64 stop,
                               gint64 estimated_total);

gst_query_parse_buffering_range ()

void
gst_query_parse_buffering_range (GstQuery *query,
                                 GstFormat *format,
                                 gint64 *start,
                                 gint64 *stop,
                                 gint64 *estimated_total);

gst_query_add_buffering_range ()

gboolean
gst_query_add_buffering_range (GstQuery *query,
                               gint64 start,
                               gint64 stop);

gst_query_get_n_buffering_ranges ()

guint
gst_query_get_n_buffering_ranges (GstQuery *query);

gst_query_parse_nth_buffering_range ()

gboolean
gst_query_parse_nth_buffering_range (GstQuery *query,
                                     guint index,
                                     gint64 *start,
                                     gint64 *stop);

gst_query_new_uri ()

GstQuery *
gst_query_new_uri (void);

gst_query_parse_uri ()

void
gst_query_parse_uri (GstQuery *query,
                     gchar **uri);

gst_query_set_uri ()

void
gst_query_set_uri (GstQuery *query,
                   const gchar *uri);

gst_query_parse_uri_redirection ()

void
gst_query_parse_uri_redirection (GstQuery *query,
                                 gchar **uri);

gst_query_set_uri_redirection ()

void
gst_query_set_uri_redirection (GstQuery *query,
                               const gchar *uri);

gst_query_parse_uri_redirection_permanent ()

void
gst_query_parse_uri_redirection_permanent
                               (GstQuery *query,
                                gboolean *permanent);

gst_query_set_uri_redirection_permanent ()

void
gst_query_set_uri_redirection_permanent
                               (GstQuery *query,
                                gboolean permanent);

gst_query_new_allocation ()

GstQuery *
gst_query_new_allocation (GstCaps *caps,
                          gboolean need_pool);

gst_query_parse_allocation ()

void
gst_query_parse_allocation (GstQuery *query,
                            GstCaps **caps,
                            gboolean *need_pool);

gst_query_add_allocation_pool ()

void
gst_query_add_allocation_pool (GstQuery *query,
                               GstBufferPool *pool,
                               guint size,
                               guint min_buffers,
                               guint max_buffers);

gst_query_get_n_allocation_pools ()

guint
gst_query_get_n_allocation_pools (GstQuery *query);

gst_query_parse_nth_allocation_pool ()

void
gst_query_parse_nth_allocation_pool (GstQuery *query,
                                     guint index,
                                     GstBufferPool **pool,
                                     guint *size,
                                     guint *min_buffers,
                                     guint *max_buffers);

gst_query_set_nth_allocation_pool ()

void
gst_query_set_nth_allocation_pool (GstQuery *query,
                                   guint index,
                                   GstBufferPool *pool,
                                   guint size,
                                   guint min_buffers,
                                   guint max_buffers);

gst_query_remove_nth_allocation_pool ()

void
gst_query_remove_nth_allocation_pool (GstQuery *query,
                                      guint index);

gst_query_add_allocation_param ()

void
gst_query_add_allocation_param (GstQuery *query,
                                GstAllocator *allocator,
                                const GstAllocationParams *params);

gst_query_get_n_allocation_params ()

guint
gst_query_get_n_allocation_params (GstQuery *query);

gst_query_parse_nth_allocation_param ()

void
gst_query_parse_nth_allocation_param (GstQuery *query,
                                      guint index,
                                      GstAllocator **allocator,
                                      GstAllocationParams *params);

gst_query_set_nth_allocation_param ()

void
gst_query_set_nth_allocation_param (GstQuery *query,
                                    guint index,
                                    GstAllocator *allocator,
                                    const GstAllocationParams *params);

gst_query_remove_nth_allocation_param ()

void
gst_query_remove_nth_allocation_param (GstQuery *query,
                                       guint index);

gst_query_add_allocation_meta ()

void
gst_query_add_allocation_meta (GstQuery *query,
                               GType api,
                               const GstStructure *params);

gst_query_get_n_allocation_metas ()

guint
gst_query_get_n_allocation_metas (GstQuery *query);

gst_query_parse_nth_allocation_meta ()

GType
gst_query_parse_nth_allocation_meta (GstQuery *query,
                                     guint index,
                                     const GstStructure **params);

gst_query_remove_nth_allocation_meta ()

void
gst_query_remove_nth_allocation_meta (GstQuery *query,
                                      guint index);

gst_query_find_allocation_meta ()

gboolean
gst_query_find_allocation_meta (GstQuery *query,
                                GType api,
                                guint *index);

gst_query_new_scheduling ()

GstQuery *
gst_query_new_scheduling (void);

gst_query_parse_scheduling ()

void
gst_query_parse_scheduling (GstQuery *query,
                            GstSchedulingFlags *flags,
                            gint *minsize,
                            gint *maxsize,
                            gint *align);

gst_query_set_scheduling ()

void
gst_query_set_scheduling (GstQuery *query,
                          GstSchedulingFlags flags,
                          gint minsize,
                          gint maxsize,
                          gint align);

gst_query_add_scheduling_mode ()

void
gst_query_add_scheduling_mode (GstQuery *query,
                               GstPadMode mode);

gst_query_get_n_scheduling_modes ()

guint
gst_query_get_n_scheduling_modes (GstQuery *query);

gst_query_parse_nth_scheduling_mode ()

GstPadMode
gst_query_parse_nth_scheduling_mode (GstQuery *query,
                                     guint index);

gst_query_has_scheduling_mode ()

gboolean
gst_query_has_scheduling_mode (GstQuery *query,
                               GstPadMode mode);

gst_query_has_scheduling_mode_with_flags ()

gboolean
gst_query_has_scheduling_mode_with_flags
                               (GstQuery *query,
                                GstPadMode mode,
                                GstSchedulingFlags flags);

gst_query_new_drain ()

GstQuery *
gst_query_new_drain (void);

gst_query_new_context ()

GstQuery *
gst_query_new_context (const gchar *context_type);

gst_query_set_context ()

void
gst_query_set_context (GstQuery *query,
                       GstContext *context);

gst_query_parse_context ()

void
gst_query_parse_context (GstQuery *query,
                         GstContext **context);

gst_query_parse_context_type ()

gboolean
gst_query_parse_context_type (GstQuery *query,
                              const gchar **context_type);

Types and Values

struct GstQuery

struct GstQuery {
  GstMiniObject mini_object;

  GstQueryType type;
};

enum GstQueryTypeFlags

Members

GST_QUERY_TYPE_UPSTREAM

   

GST_QUERY_TYPE_DOWNSTREAM

   

GST_QUERY_TYPE_SERIALIZED

   

GST_QUERY_TYPE_BOTH

#define             GST_QUERY_TYPE_BOTH

enum GstQueryType

Members

GST_QUERY_UNKNOWN

   

GST_QUERY_POSITION

   

GST_QUERY_DURATION

   

GST_QUERY_LATENCY

   

GST_QUERY_JITTER

   

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_DRAIN

   

GST_QUERY_CONTEXT

   

enum GstBufferingMode

Members

GST_BUFFERING_STREAM

   

GST_BUFFERING_DOWNLOAD

   

GST_BUFFERING_TIMESHIFT

   

GST_BUFFERING_LIVE

   

enum GstSchedulingFlags

Members

GST_SCHEDULING_FLAG_SEEKABLE

   

GST_SCHEDULING_FLAG_SEQUENTIAL

   

GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED