Gets information such as the batch size and the number of streams.
Functions | |
GstQuery * | gst_nvquery_batch_size_new (void) |
Creates a new batch-size query, which can be used by elements to query the number of buffers in upstream elements' batched buffers. More... | |
gboolean | gst_nvquery_is_batch_size (GstQuery *query) |
Determines whether a query is a batch size query. More... | |
void | gst_nvquery_batch_size_set (GstQuery *query, guint batch_size) |
Sets the batch size, used by the elements responding to the batch size query. More... | |
gboolean | gst_nvquery_batch_size_parse (GstQuery *query, guint *batch_size) |
Parses batch size from a batch size query. More... | |
GstQuery * | gst_nvquery_numStreams_size_new (void) |
Creates a number of streams query, used by elements to query upstream the number of input sources. More... | |
gboolean | gst_nvquery_is_numStreams_size (GstQuery *query) |
Determines whether a query is a number-of-streams query. More... | |
void | gst_nvquery_numStreams_size_set (GstQuery *query, guint numStreams_size) |
Sets the number of input sources. More... | |
gboolean | gst_nvquery_numStreams_size_parse (GstQuery *query, guint *numStreams_size) |
Parses the number of streams from a number of streams query. More... | |
GstQuery * | gst_nvquery_preprocess_poolsize_new (guint gieid) |
Creates a preprocess poolsize query, used by elements to query preprocess element for the size of buffer pool. More... | |
gboolean | gst_nvquery_is_preprocess_poolsize (GstQuery *query) |
Determines whether a query is a preprocess poolsize query. More... | |
void | gst_nvquery_preprocess_poolsize_set (GstQuery *query, guint preprocess_poolsize) |
Sets the preprocess poolsize as a reponse to query. More... | |
gboolean | gst_nvquery_preprocess_poolsize_parse (GstQuery *query, guint *preprocess_poolsize) |
Parses the preprocess poolsize from a preprocess poolsize query. More... | |
gboolean | gst_nvquery_preprocess_poolsize_gieid_parse (GstQuery *query, guint *gieId) |
Parses the preprocess gie id from a preprocess poolsize query. More... | |
GstQuery* gst_nvquery_batch_size_new | ( | void | ) |
Creates a new batch-size query, which can be used by elements to query the number of buffers in upstream elements' batched buffers.
gboolean gst_nvquery_batch_size_parse | ( | GstQuery * | query, |
guint * | batch_size | ||
) |
Parses batch size from a batch size query.
params[in] query A pointer to a batch size query. params[out] batch_size A pointer to an unsigned integer in which the batch size is stored.
void gst_nvquery_batch_size_set | ( | GstQuery * | query, |
guint | batch_size | ||
) |
Sets the batch size, used by the elements responding to the batch size query.
This function fails if the query is not a batch size query.
params[in] query A pointer to a batch size query. params[in] batch_size The batch size to be set.
gboolean gst_nvquery_is_batch_size | ( | GstQuery * | query | ) |
Determines whether a query is a batch size query.
params[in] query A pointer to the query to be checked.
gboolean gst_nvquery_is_numStreams_size | ( | GstQuery * | query | ) |
Determines whether a query is a number-of-streams query.
params[in] query A pointer to the query to be checked.
gboolean gst_nvquery_is_preprocess_poolsize | ( | GstQuery * | query | ) |
Determines whether a query is a preprocess poolsize query.
params[in] query A pointer to the query to be checked.
GstQuery* gst_nvquery_numStreams_size_new | ( | void | ) |
Creates a number of streams query, used by elements to query upstream the number of input sources.
gboolean gst_nvquery_numStreams_size_parse | ( | GstQuery * | query, |
guint * | numStreams_size | ||
) |
Parses the number of streams from a number of streams query.
params[in] query A pointer to a number-of-streams query. params[out] batch_size A pointer to an unsigned integer in which the number of streams is stored.
void gst_nvquery_numStreams_size_set | ( | GstQuery * | query, |
guint | numStreams_size | ||
) |
Sets the number of input sources.
This function is used by elements responding to a number of streams query. It fails if the query is not of the correct type.
params[in] query A pointer to a number-of-streams query. params[in] numStreams_size The number of input sources.
gboolean gst_nvquery_preprocess_poolsize_gieid_parse | ( | GstQuery * | query, |
guint * | gieId | ||
) |
Parses the preprocess gie id from a preprocess poolsize query.
params[in] query A pointer to a nv-preprocess-poolsize query. params[out] gieid A pointer to an unsigned integer in which the preprocess gie id is stored.
GstQuery* gst_nvquery_preprocess_poolsize_new | ( | guint | gieid | ) |
Creates a preprocess poolsize query, used by elements to query preprocess element for the size of buffer pool.
params[in] gieid An unsigned integer in which the preprocess gie id is stored.
gboolean gst_nvquery_preprocess_poolsize_parse | ( | GstQuery * | query, |
guint * | preprocess_poolsize | ||
) |
Parses the preprocess poolsize from a preprocess poolsize query.
params[in] query A pointer to a nv-preprocess-poolsize query. params[out] preprocess_poolsize A pointer to an unsigned integer in which the preprocess poolsize is stored.
void gst_nvquery_preprocess_poolsize_set | ( | GstQuery * | query, |
guint | preprocess_poolsize | ||
) |
Sets the preprocess poolsize as a reponse to query.
This function is used by elements responding to a number of streams query. It fails if the query is not of the correct type.
params[in] query A pointer to a nv-preprocess-poolsize query. params[in] preprocess_poolsize The preprocess poolsize to be set.