diff options
Diffstat (limited to 'media-libs/gstreamer/files/gst-0.10.32-0003-add-GstQueryBuffers-query.patch')
| -rw-r--r-- | media-libs/gstreamer/files/gst-0.10.32-0003-add-GstQueryBuffers-query.patch | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/media-libs/gstreamer/files/gst-0.10.32-0003-add-GstQueryBuffers-query.patch b/media-libs/gstreamer/files/gst-0.10.32-0003-add-GstQueryBuffers-query.patch new file mode 100644 index 0000000..4c54083 --- /dev/null +++ b/media-libs/gstreamer/files/gst-0.10.32-0003-add-GstQueryBuffers-query.patch @@ -0,0 +1,258 @@ +From 7f071cf72491a9f60c886f4779c7d14d924bc43d Mon Sep 17 00:00:00 2001 +From: Rob Clark <rob@ti.com> +Date: Wed, 19 May 2010 15:48:09 -0500 +Subject: [PATCH 3/5] add GstQueryBuffers query + +This query is used by buffer allocator, for example a video sink element, +to find out any minimum buffer requirements of upstream elements that uses +pad_alloc() to allocate buffers. For example, some cameras may have need +for additional padding/boarder around the frame (for vstab), or some video +decoders may have requirements for a certain minimum number of buffers (so +they can hold refs to reference-frames) +--- + gst/gstquark.c | 3 +- + gst/gstquark.h | 7 ++- + gst/gstquery.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + gst/gstquery.h | 16 ++++++- + 4 files changed, 164 insertions(+), 3 deletions(-) + +diff --git a/gst/gstquark.c b/gst/gstquark.c +index 4073eb4..58badca 100644 +--- a/gst/gstquark.c ++++ b/gst/gstquark.c +@@ -49,7 +49,8 @@ static const gchar *_quark_strings[] = { + "GstQueryURI", "GstEventStep", "GstMessageStepDone", "amount", "flush", + "intermediate", "GstMessageStepStart", "active", "eos", "sink-message", + "message", "GstMessageQOS", "running-time", "stream-time", "jitter", +- "quality", "processed", "dropped", "buffering-ranges" ++ "quality", "processed", "dropped", "buffering-ranges", "GstQueryBuffers", ++ "caps", "count", "width", "height" + }; + + GQuark _priv_gst_quark_table[GST_QUARK_MAX]; +diff --git a/gst/gstquark.h b/gst/gstquark.h +index c95d9cd..f4c8e0f 100644 +--- a/gst/gstquark.h ++++ b/gst/gstquark.h +@@ -127,8 +127,13 @@ typedef enum _GstQuarkId + GST_QUARK_PROCESSED = 98, + GST_QUARK_DROPPED = 99, + GST_QUARK_BUFFERING_RANGES = 100, ++ GST_QUARK_QUERY_BUFFERS = 101, ++ GST_QUARK_CAPS = 102, ++ GST_QUARK_COUNT = 103, ++ GST_QUARK_WIDTH = 104, ++ GST_QUARK_HEIGHT = 105, + +- GST_QUARK_MAX = 101 ++ GST_QUARK_MAX = 106 + } GstQuarkId; + + extern GQuark _priv_gst_quark_table[GST_QUARK_MAX]; +diff --git a/gst/gstquery.c b/gst/gstquery.c +index 9373175..4823ff0 100644 +--- a/gst/gstquery.c ++++ b/gst/gstquery.c +@@ -96,6 +96,7 @@ static GstQueryTypeDefinition standard_definitions[] = { + {GST_QUERY_BUFFERING, "buffering", "Buffering status", 0}, + {GST_QUERY_CUSTOM, "custom", "Custom query", 0}, + {GST_QUERY_URI, "uri", "URI of the source or sink", 0}, ++ {GST_QUERY_BUFFERS, "buffers", "Minimum buffer requirements", 0}, + {0, NULL, NULL, 0} + }; + +@@ -1480,3 +1481,143 @@ gst_query_parse_uri (GstQuery * query, gchar ** uri) + *uri = g_value_dup_string (gst_structure_id_get_value (query->structure, + GST_QUARK (URI))); + } ++ ++/** ++ * gst_query_new_buffers: ++ * @caps: the #GstCaps for the buffers that are going to be allocated ++ * ++ * Constructs a new buffer requirements query object to query buffer ++ * requirements for a particular caps. Use gst_query_unref() when done ++ * with it. ++ * ++ * Returns: A #GstQuery ++ */ ++GstQuery * ++gst_query_new_buffers (GstCaps * caps) ++{ ++ GstQuery *query; ++ GstStructure *structure; ++ ++ /* XXX could add size here, for linear (non YUV/RGB) buffers? But I'm not ++ * entirely sure what is the use-case for that.. it should be easy enough ++ * to add more optional reply fields later ++ */ ++ structure = gst_structure_id_new (GST_QUARK (QUERY_BUFFERS), ++ GST_QUARK (CAPS), GST_TYPE_CAPS, caps, ++ GST_QUARK (COUNT), G_TYPE_INT, -1, ++ GST_QUARK (WIDTH), G_TYPE_INT, -1, ++ GST_QUARK (HEIGHT), G_TYPE_INT, -1, NULL); ++ ++ query = gst_query_new (GST_QUERY_BUFFERS, structure); ++ ++ return query; ++} ++ ++/** ++ * gst_query_set_buffers_count: ++ * @count: minimum number of buffers required ++ * ++ * Answer a buffers query by setting the minimum number of buffers required. ++ * If there is no minimum buffer count requirement, don't set this field in ++ * the query. ++ */ ++void ++gst_query_set_buffers_count (GstQuery * query, gint count) ++{ ++ GstStructure *structure; ++ ++ g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERS); ++ ++ structure = gst_query_get_structure (query); ++ gst_structure_id_set (structure, GST_QUARK (COUNT), G_TYPE_INT, count, NULL); ++} ++ ++/** ++ * gst_query_set_buffers_dimensions: ++ * @width: minimum buffer width ++ * @height: minimum buffer height ++ * ++ * Answer a buffers query by setting the minimum buffer dimensions required. ++ * If there is no minimum buffer dimensions (beyond the width/height specified ++ * in the #GstCaps), don't set this field in the query. ++ */ ++void ++gst_query_set_buffers_dimensions (GstQuery * query, gint width, gint height) ++{ ++ GstStructure *structure; ++ ++ g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERS); ++ ++ structure = gst_query_get_structure (query); ++ gst_structure_id_set (structure, ++ GST_QUARK (WIDTH), G_TYPE_INT, width, ++ GST_QUARK (HEIGHT), G_TYPE_INT, height, NULL); ++} ++ ++/** ++ * gst_query_parse_buffers_caps: ++ * @query: a #GstQuery ++ * @caps: the storage for the #GstCaps pointer, or NULL ++ * ++ * Parse a buffers query. ++ */ ++void ++gst_query_parse_buffers_caps (GstQuery * query, const GstCaps ** caps) ++{ ++ GstStructure *structure; ++ ++ g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERS); ++ ++ structure = gst_query_get_structure (query); ++ if (caps) ++ *caps = gst_value_get_caps (gst_structure_id_get_value (structure, ++ GST_QUARK (CAPS))); ++} ++ ++/** ++ * gst_query_parse_buffers_count: ++ * @query: a #GstQuery ++ * @count: the storage for minimum number of buffers, or NULL ++ * ++ * Parse a buffers query answer to see the minimum number of buffers ++ * required. A returned value of -1 means there is no minimum requirement ++ */ ++void ++gst_query_parse_buffers_count (GstQuery * query, gint * count) ++{ ++ GstStructure *structure; ++ ++ g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERS); ++ ++ structure = gst_query_get_structure (query); ++ if (count) ++ *count = g_value_get_int (gst_structure_id_get_value (structure, ++ GST_QUARK (COUNT))); ++} ++ ++/** ++ * gst_query_parse_buffers_dimensions: ++ * @query: a #GstQuery ++ * @width: the storage for minimum width, or NULL ++ * @height: the storage for minimum height, or NULL ++ * ++ * Parse a buffers query answer to see the minimum buffer dimensions required. ++ * A returned value of -1 for either dimension means there is no minimum ++ * requirement in that axis ++ */ ++void ++gst_query_parse_buffers_dimensions (GstQuery * query, gint * width, ++ gint * height) ++{ ++ GstStructure *structure; ++ ++ g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERS); ++ ++ structure = gst_query_get_structure (query); ++ if (width) ++ *width = g_value_get_int (gst_structure_id_get_value (structure, ++ GST_QUARK (WIDTH))); ++ if (height) ++ *height = g_value_get_int (gst_structure_id_get_value (structure, ++ GST_QUARK (HEIGHT))); ++} +diff --git a/gst/gstquery.h b/gst/gstquery.h +index 09d0225..ae1f5cd 100644 +--- a/gst/gstquery.h ++++ b/gst/gstquery.h +@@ -31,6 +31,7 @@ + #include <gst/gstminiobject.h> + #include <gst/gststructure.h> + #include <gst/gstformat.h> ++#include <gst/gstcaps.h> + + G_BEGIN_DECLS + +@@ -51,6 +52,9 @@ G_BEGIN_DECLS + * @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_BUFFERS: query the upstream users of pad_alloc()'d buffers to ++ * find any particular requirements about buffer size (padding) or numbers of ++ * buffers. Since ?.?.?. + * + * Standard predefined Query types + */ +@@ -69,7 +73,8 @@ typedef enum { + GST_QUERY_FORMATS, + GST_QUERY_BUFFERING, + GST_QUERY_CUSTOM, +- GST_QUERY_URI ++ GST_QUERY_URI, ++ GST_QUERY_BUFFERS + } GstQueryType; + + /** +@@ -336,6 +341,15 @@ GstQuery * gst_query_new_uri (void); + void gst_query_parse_uri (GstQuery *query, gchar **uri); + void gst_query_set_uri (GstQuery *query, const gchar *uri); + ++/* buffer requirements query */ ++GstQuery * gst_query_new_buffers (GstCaps * caps); ++void gst_query_set_buffers_count (GstQuery * query, gint count); ++void gst_query_set_buffers_dimensions (GstQuery * query, gint width, gint height); ++void gst_query_parse_buffers_caps (GstQuery * query, const GstCaps ** caps); ++void gst_query_parse_buffers_count (GstQuery * query, gint * count); ++void gst_query_parse_buffers_dimensions (GstQuery * query, gint * width, gint * height); ++ ++ + G_END_DECLS + + #endif /* __GST_QUERY_H__ */ +-- +1.7.1 + |