From 3f80cb272ef09d14eca4436dd523e9e56c6c5f57 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Fri, 6 Jul 2012 11:49:47 +0200 Subject: [PATCH] query: use more generic structure for meta params --- gst/gstquery.c | 53 +++++++++++++++++++++++++--------------- gst/gstquery.h | 5 ++-- libs/gst/base/gstbasetransform.c | 12 ++++----- libs/gst/base/gstbasetransform.h | 2 +- 4 files changed, 43 insertions(+), 29 deletions(-) diff --git a/gst/gstquery.c b/gst/gstquery.c index c610b05..17d4e6b 100644 --- a/gst/gstquery.c +++ b/gst/gstquery.c @@ -1661,19 +1661,27 @@ gst_query_set_nth_allocation_pool (GstQuery * query, guint index, typedef struct { GType api; - guint flags; + GstStructure *params; } AllocationMeta; +static void +allocation_meta_free (AllocationMeta * am) +{ + if (am->params) + gst_structure_free (am->params); +} + /** * gst_query_add_allocation_meta: * @query: a GST_QUERY_ALLOCATION type query #GstQuery * @api: the metadata API - * @flags: API specific flags + * @params: (transfer full) (allow-none): API specific parameters * - * Add @api with @flags as one of the supported metadata API to @query. + * Add @api with @params as one of the supported metadata API to @query. */ void -gst_query_add_allocation_meta (GstQuery * query, GType api, guint flags) +gst_query_add_allocation_meta (GstQuery * query, GType api, + GstStructure * params) { GArray *array; GstStructure *structure; @@ -1685,10 +1693,11 @@ gst_query_add_allocation_meta (GstQuery * query, GType api, guint flags) structure = GST_QUERY_STRUCTURE (query); array = - ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), NULL); + ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), + (GDestroyNotify) allocation_meta_free); am.api = api; - am.flags = flags; + am.params = params; g_array_append_val (array, am); } @@ -1712,7 +1721,8 @@ gst_query_get_n_allocation_metas (GstQuery * query) structure = GST_QUERY_STRUCTURE (query); array = - ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), NULL); + ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), + (GDestroyNotify) allocation_meta_free); return array->len; } @@ -1721,7 +1731,7 @@ gst_query_get_n_allocation_metas (GstQuery * query) * gst_query_parse_nth_allocation_meta: * @query: a GST_QUERY_ALLOCATION type query #GstQuery * @index: position in the metadata API array to read - * @flags: (out) (allow-none): API specific flags + * @params: (out) (allow-none): API specific flags * * Parse an available query and get the metadata API * at @index of the metadata API array. @@ -1730,7 +1740,7 @@ gst_query_get_n_allocation_metas (GstQuery * query) */ GType gst_query_parse_nth_allocation_meta (GstQuery * query, guint index, - guint * flags) + const GstStructure ** params) { GArray *array; GstStructure *structure; @@ -1740,14 +1750,15 @@ gst_query_parse_nth_allocation_meta (GstQuery * query, guint index, structure = GST_QUERY_STRUCTURE (query); array = - ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), NULL); + ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), + (GDestroyNotify) allocation_meta_free); g_return_val_if_fail (index < array->len, 0); am = &g_array_index (array, AllocationMeta, index); - if (flags) - *flags = am->flags; + if (params) + *params = am->params; return am->api; } @@ -1770,7 +1781,8 @@ gst_query_remove_nth_allocation_meta (GstQuery * query, guint index) structure = GST_QUERY_STRUCTURE (query); array = - ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), NULL); + ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), + (GDestroyNotify) allocation_meta_free); g_return_if_fail (index < array->len); g_array_remove_index (array, index); @@ -1800,7 +1812,8 @@ gst_query_find_allocation_meta (GstQuery * query, GType api, guint * index) structure = GST_QUERY_STRUCTURE (query); array = - ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), NULL); + ensure_array (structure, GST_QUARK (META), sizeof (AllocationMeta), + (GDestroyNotify) allocation_meta_free); len = array->len; for (i = 0; i < len; i++) { @@ -1830,8 +1843,8 @@ allocation_param_free (AllocationParam * ap) /** * gst_query_add_allocation_param: * @query: a GST_QUERY_ALLOCATION type query #GstQuery - * @allocator: the memory allocator - * @params: a #GstAllocationParams + * @allocator: (transfer none) (allow-none): the memory allocator + * @params: (transfer none) (allow-none): a #GstAllocationParams * * Add @allocator and its @params as a supported memory allocator. */ @@ -1892,8 +1905,8 @@ gst_query_get_n_allocation_params (GstQuery * query) * gst_query_parse_nth_allocation_param: * @query: a GST_QUERY_ALLOCATION type query #GstQuery * @index: position in the allocator array to read - * @allocator: (transfer none): variable to hold the result - * @params: parameters for the allocator + * @allocator: (out) (transfer none) (allow-none): variable to hold the result + * @params: (out) (allow-none): parameters for the allocator * * Parse an available query and get the alloctor and its params * at @index of the allocator array. @@ -1926,8 +1939,8 @@ gst_query_parse_nth_allocation_param (GstQuery * query, guint index, * gst_query_set_nth_allocation_param: * @query: a GST_QUERY_ALLOCATION type query #GstQuery * @index: position in the allocator array to set - * @allocator: (transfer full): new allocator to set - * @params: parameters for the allocator + * @allocator: (transfer none) (allow-none): new allocator to set + * @params: (transfer none) (allow-none): parameters for the allocator * * Parse an available query and get the alloctor and its params * at @index of the allocator array. diff --git a/gst/gstquery.h b/gst/gstquery.h index ec05e42..28e893e 100644 --- a/gst/gstquery.h +++ b/gst/gstquery.h @@ -427,9 +427,10 @@ void gst_query_set_nth_allocation_param (GstQuery *query, guint ind const GstAllocationParams *params); /* metadata */ -void gst_query_add_allocation_meta (GstQuery *query, GType api, guint flags); +void gst_query_add_allocation_meta (GstQuery *query, GType api, GstStructure *params); guint gst_query_get_n_allocation_metas (GstQuery *query); -GType gst_query_parse_nth_allocation_meta (GstQuery *query, guint index, guint *flags); +GType gst_query_parse_nth_allocation_meta (GstQuery *query, guint index, + const GstStructure **params); void gst_query_remove_nth_allocation_meta (GstQuery *query, guint index); gboolean gst_query_find_allocation_meta (GstQuery *query, GType api, guint *index); diff --git a/libs/gst/base/gstbasetransform.c b/libs/gst/base/gstbasetransform.c index 9b15768..391114b 100644 --- a/libs/gst/base/gstbasetransform.c +++ b/libs/gst/base/gstbasetransform.c @@ -813,10 +813,10 @@ gst_base_transform_default_decide_allocation (GstBaseTransform * trans, n_metas = gst_query_get_n_allocation_metas (query); for (i = 0; i < n_metas; i++) { GType api; - guint flags; + const GstStructure *params; gboolean remove; - api = gst_query_parse_nth_allocation_meta (query, i, &flags); + api = gst_query_parse_nth_allocation_meta (query, i, ¶ms); /* by default we remove all metadata, subclasses should implement a * filter_meta function */ @@ -828,7 +828,7 @@ gst_base_transform_default_decide_allocation (GstBaseTransform * trans, remove = TRUE; } else if (G_LIKELY (klass->filter_meta)) { /* remove if the subclass said so */ - remove = !klass->filter_meta (trans, query, api, flags); + remove = !klass->filter_meta (trans, query, api, params); GST_LOG_OBJECT (trans, "filter_meta for api %s returned: %s", g_type_name (api), (remove ? "remove" : "keep")); } else { @@ -1369,11 +1369,11 @@ gst_base_transform_default_propose_allocation (GstBaseTransform * trans, n_metas = gst_query_get_n_allocation_metas (decide_query); for (i = 0; i < n_metas; i++) { GType api; - guint flags; + const GstStructure *params; - api = gst_query_parse_nth_allocation_meta (decide_query, i, &flags); + api = gst_query_parse_nth_allocation_meta (decide_query, i, ¶ms); GST_DEBUG_OBJECT (trans, "proposing metadata %s", g_type_name (api)); - gst_query_add_allocation_meta (query, api, flags); + gst_query_add_allocation_meta (query, api, gst_structure_copy (params)); } ret = TRUE; } diff --git a/libs/gst/base/gstbasetransform.h b/libs/gst/base/gstbasetransform.h index 2ec3910..58a795d 100644 --- a/libs/gst/base/gstbasetransform.h +++ b/libs/gst/base/gstbasetransform.h @@ -226,7 +226,7 @@ struct _GstBaseTransformClass { /* decide allocation query for output buffers */ gboolean (*decide_allocation) (GstBaseTransform *trans, GstQuery *query); gboolean (*filter_meta) (GstBaseTransform *trans, GstQuery *query, - GType api, guint flags); + GType api, const GstStructure *params); /* propose allocation query parameters for input buffers */ gboolean (*propose_allocation) (GstBaseTransform *trans, GstQuery *decide_query, -- 2.7.4