GstGLQuery

A GstGLQuery represents and holds an OpenGL query object. Various types of queries can be run or counters retrieved.

GstGLQuery

Opaque GstGLQuery struct

GstGL.GLQuery

Opaque GstGL.GLQuery struct

GstGL.GLQuery

Opaque GstGL.GLQuery struct

Methods

gst_gl_query_counter

gst_gl_query_counter (GstGLQuery * query)

Record the result of a counter

Parameters:

query –

a GstGLQuery

Since : 1.10

GstGL.GLQuery.prototype.counter

function GstGL.GLQuery.prototype.counter(): {
    // javascript wrapper for 'gst_gl_query_counter'
}

Record the result of a counter

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

GstGL.GLQuery.counter

def GstGL.GLQuery.counter (self):
    #python wrapper for 'gst_gl_query_counter'

Record the result of a counter

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

gst_gl_query_end

gst_gl_query_end (GstGLQuery * query)

End counting the query

Parameters:

query –

a GstGLQuery

Since : 1.10

GstGL.GLQuery.prototype.end

function GstGL.GLQuery.prototype.end(): {
    // javascript wrapper for 'gst_gl_query_end'
}

End counting the query

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

GstGL.GLQuery.end

def GstGL.GLQuery.end (self):
    #python wrapper for 'gst_gl_query_end'

End counting the query

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

gst_gl_query_free

gst_gl_query_free (GstGLQuery * query)

Frees a GstGLQuery

Parameters:

query –

a GstGLQuery

Since : 1.10

GstGL.GLQuery.prototype.free

function GstGL.GLQuery.prototype.free(): {
    // javascript wrapper for 'gst_gl_query_free'
}

Frees a GstGL.GLQuery

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

GstGL.GLQuery.free

def GstGL.GLQuery.free (self):
    #python wrapper for 'gst_gl_query_free'

Frees a GstGL.GLQuery

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

gst_gl_query_init

gst_gl_query_init (GstGLQuery * query,
                   GstGLContext * context,
                   GstGLQueryType query_type)

Parameters:

query –

a GstGLQuery

context –

a GstGLContext

query_type –

the GstGLQueryType

Since : 1.10

GstGL.GLQuery.prototype.init

function GstGL.GLQuery.prototype.init(context: GstGL.GLContext, query_type: GstGL.GLQueryType): {
    // javascript wrapper for 'gst_gl_query_init'
}

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

context (GstGL.GLContext) –

a GstGL.GLContext

query_type (GstGL.GLQueryType) –

the GstGL.GLQueryType

Since : 1.10

GstGL.GLQuery.init

def GstGL.GLQuery.init (self, context, query_type):
    #python wrapper for 'gst_gl_query_init'

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

context (GstGL.GLContext) –

a GstGL.GLContext

query_type (GstGL.GLQueryType) –

the GstGL.GLQueryType

Since : 1.10

gst_gl_query_result

guint64
gst_gl_query_result (GstGLQuery * query)

Parameters:

query –

a GstGLQuery

Returns –

the result of the query

Since : 1.10

GstGL.GLQuery.prototype.result

function GstGL.GLQuery.prototype.result(): {
    // javascript wrapper for 'gst_gl_query_result'
}

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Returns (Number) –

the result of the query

Since : 1.10

GstGL.GLQuery.result

def GstGL.GLQuery.result (self):
    #python wrapper for 'gst_gl_query_result'

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Returns (int) –

the result of the query

Since : 1.10

gst_gl_query_start

gst_gl_query_start (GstGLQuery * query)

Start counting the query

Parameters:

query –

a GstGLQuery

Since : 1.10

GstGL.GLQuery.prototype.start

function GstGL.GLQuery.prototype.start(): {
    // javascript wrapper for 'gst_gl_query_start'
}

Start counting the query

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

GstGL.GLQuery.start

def GstGL.GLQuery.start (self):
    #python wrapper for 'gst_gl_query_start'

Start counting the query

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

gst_gl_query_unset

gst_gl_query_unset (GstGLQuery * query)

Free any dynamically allocated resources

Parameters:

query –

a GstGLQuery

Since : 1.10

GstGL.GLQuery.prototype.unset

function GstGL.GLQuery.prototype.unset(): {
    // javascript wrapper for 'gst_gl_query_unset'
}

Free any dynamically allocated resources

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

GstGL.GLQuery.unset

def GstGL.GLQuery.unset (self):
    #python wrapper for 'gst_gl_query_unset'

Free any dynamically allocated resources

Parameters:

query (GstGL.GLQuery) –

a GstGL.GLQuery

Since : 1.10

Functions

gst_gl_query_local_gl_context

gboolean
gst_gl_query_local_gl_context (GstElement * element,
                               GstPadDirection direction,
                               GstGLContext ** context_ptr)

Performs a GST_QUERY_CONTEXT query of type "gst.gl.local_context" on all GstPad in element of direction for the local OpenGL context used by GStreamer elements.

Parameters:

element –

a GstElement to query from

direction –

the GstPadDirection to query

context_ptr ( [inout]) –

location containing the current and/or resulting GstGLContext

Returns –

whether context_ptr contains a GstGLContext

GstGL.prototype.gl_query_local_gl_context

function GstGL.prototype.gl_query_local_gl_context(element: Gst.Element, direction: Gst.PadDirection, context_ptr: GstGL.GLContext): {
    // javascript wrapper for 'gst_gl_query_local_gl_context'
}

Performs a GST_QUERY_CONTEXT query of type "gst.gl.local_context" on all Gst.Pad in element of direction for the local OpenGL context used by GStreamer elements.

Parameters:

element (Gst.Element) –

a Gst.Element to query from

direction (Gst.PadDirection) –

the Gst.PadDirection to query

context_ptr (GstGL.GLContext) –

location containing the current and/or resulting GstGL.GLContext

Returns a tuple made of:

(Number ) –

whether context_ptr contains a GstGL.GLContext

context_ptr (GstGL.GLContext ) –

whether context_ptr contains a GstGL.GLContext

GstGL.gl_query_local_gl_context

def GstGL.gl_query_local_gl_context (element, direction, context_ptr):
    #python wrapper for 'gst_gl_query_local_gl_context'

Performs a GST_QUERY_CONTEXT query of type "gst.gl.local_context" on all Gst.Pad in element of direction for the local OpenGL context used by GStreamer elements.

Parameters:

element (Gst.Element) –

a Gst.Element to query from

direction (Gst.PadDirection) –

the Gst.PadDirection to query

context_ptr (GstGL.GLContext) –

location containing the current and/or resulting GstGL.GLContext

Returns a tuple made of:

(bool ) –

whether context_ptr contains a GstGL.GLContext

context_ptr (GstGL.GLContext ) –

whether context_ptr contains a GstGL.GLContext

gst_gl_query_new

GstGLQuery *
gst_gl_query_new (GstGLContext * context,
                  GstGLQueryType query_type)

Free with gst_gl_query_free

Parameters:

context –

a GstGLContext

query_type –

the GstGLQueryType to create

Returns –

a new GstGLQuery

Since : 1.10

Function Macros

gst_gl_query_counter_log

#define gst_gl_query_counter_log(query,cat,level,object,format,...) \
  G_STMT_START {    \
    GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
    gst_gl_async_debug_freeze (&(query)->debug); \
    gst_gl_query_counter (query); \
    gst_gl_async_debug_thaw (&(query)->debug); \
  } G_STMT_END

gst_gl_query_counter_log_valist

#define gst_gl_query_counter_log_valist(query,cat,level,object,format,varargs) \
  G_STMT_START {    \
    GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
    gst_gl_async_debug_freeze (&(query)->debug); \
    gst_gl_query_counter (query); \
    gst_gl_async_debug_thaw (&(query)->debug); \
  } G_STMT_END

gst_gl_query_start_log

#define gst_gl_query_start_log(query,cat,level,object,format,...) \
  G_STMT_START {    \
    GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
    gst_gl_async_debug_freeze (&(query)->debug); \
    gst_gl_query_start (query); \
    gst_gl_async_debug_thaw (&(query)->debug); \
  } G_STMT_END

gst_gl_query_start_log_valist

#define gst_gl_query_start_log_valist(query,cat,level,object,format,varargs) \
  G_STMT_START {    \
    GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
    gst_gl_async_debug_freeze (&(query)->debug); \
    gst_gl_query_start (query); \
    gst_gl_async_debug_thaw (&(query)->debug); \
  } G_STMT_END

Enumerations

GstGLQueryType

Members

GST_GL_QUERY_NONE (0) –

no query

GST_GL_QUERY_TIME_ELAPSED (1) –

query the time elapsed

GST_GL_QUERY_TIMESTAMP (2) –

query the current time

GstGL.GLQueryType

Members

GstGL.GLQueryType.NONE (0) –

no query

GstGL.GLQueryType.TIME_ELAPSED (1) –

query the time elapsed

GstGL.GLQueryType.TIMESTAMP (2) –

query the current time

GstGL.GLQueryType

Members

GstGL.GLQueryType.NONE (0) –

no query

GstGL.GLQueryType.TIME_ELAPSED (1) –

query the time elapsed

GstGL.GLQueryType.TIMESTAMP (2) –

query the current time

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