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author | Stefan Sauer <ensonic@users.sf.net> | 2016-05-14 12:35:15 -0700 |
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committer | Stefan Sauer <ensonic@users.sf.net> | 2016-05-15 14:47:22 -0700 |
commit | da0a3d95e7ae9fec12ce289377896e07a7615d76 (patch) | |
tree | 555b08e6265ad11b55b85f8992b918e9f573f613 /ext/lv2 | |
parent | 3101fe78f9f4020b4e44ffaf0b4bdcadffe61790 (diff) | |
download | gstreamer-plugins-bad-da0a3d95e7ae9fec12ce289377896e07a7615d76.tar.gz |
lv2: implemnt the map-extension
This is the most used one and at the same time easy to implement sing QGQuark.
Diffstat (limited to 'ext/lv2')
-rw-r--r-- | ext/lv2/README | 5 | ||||
-rw-r--r-- | ext/lv2/gstlv2utils.c | 32 |
2 files changed, 34 insertions, 3 deletions
diff --git a/ext/lv2/README b/ext/lv2/README index 770c10d0f..f3abb3c18 100644 --- a/ext/lv2/README +++ b/ext/lv2/README @@ -12,7 +12,8 @@ http://lv2plug.in/ns/lv2core http://lv2plug.in/ns/ext/port-groups and these host features: -http://lv2plug.in/ns/ext/log/ +http://lv2plug.in/ns/ext/log +http://lv2plug.in/ns/ext/urid Example Pipeline: @@ -38,6 +39,8 @@ TODO - we should sync, then fill the buffer and connect the port * support presets * support more host features + GST_DEBUG="lv2:4" GST_DEBUG_FILE=/tmp/gst.log gst-inspect lv2 + grep -o "needs host feature: .*$" /tmp/gst.log | sort | uniq -c | sort -n * samples sources: http://svn.drobilla.net/lad/trunk/lilv/utils/lv2info.c diff --git a/ext/lv2/gstlv2utils.c b/ext/lv2/gstlv2utils.c index 638aef34e..7b841eddf 100644 --- a/ext/lv2/gstlv2utils.c +++ b/ext/lv2/gstlv2utils.c @@ -28,6 +28,7 @@ #include "gstlv2utils.h" #include <lv2/lv2plug.in/ns/ext/log/log.h> +#include <lv2/lv2plug.in/ns/ext/urid/urid.h> GST_DEBUG_CATEGORY_EXTERN (lv2_debug); #define GST_CAT_DEFAULT lv2_debug @@ -56,16 +57,43 @@ lv2_log_vprintf (LV2_Log_Handle handle, LV2_URID type, } static LV2_Log_Log lv2_log = { - NULL, /* handle */ - lv2_log_printf, lv2_log_vprintf, + /* handle = */ NULL, lv2_log_printf, lv2_log_vprintf }; + static const LV2_Feature lv2_log_feature = { LV2_LOG__log, &lv2_log }; +/* - urid map/unmap extension */ + +static LV2_URID +lv2_urid_map (LV2_URID_Map_Handle handle, const char *uri) +{ + return (LV2_URID) g_quark_from_string (uri); +} + +static const char * +lv2_urid_unmap (LV2_URID_Unmap_Handle handle, LV2_URID urid) +{ + return g_quark_to_string ((GQuark) urid); +} + +static LV2_URID_Map lv2_map = { + /* handle = */ NULL, lv2_urid_map +}; + +static LV2_URID_Unmap lv2_unmap = { + /* handle = */ NULL, lv2_urid_unmap +}; + +static const LV2_Feature lv2_map_feature = { LV2_URID__map, &lv2_map }; +static const LV2_Feature lv2_unmap_feature = { LV2_URID__unmap, &lv2_unmap }; + /* feature list */ static const LV2_Feature *lv2_features[] = { &lv2_log_feature, + &lv2_map_feature, + &lv2_unmap_feature, NULL }; |