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Carla/source/includes/jackey.h

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  1. /*

  2.   Copyright 2014 David Robillard <http://drobilla.net>

  3. 

  4.   Permission to use, copy, modify, and/or distribute this software for any

  5.   purpose with or without fee is hereby granted, provided that the above

  6.   copyright notice and this permission notice appear in all copies.

  7. 

  8.   THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

  9.   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

  10.   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

  11.   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

  12.   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

  13.   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

  14.   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

  15. */

  16. 

  17. /**

  18.    The supported event types of an event port.

  19. 

  20.    This is a kludge around Jack only supporting MIDI, particularly for OSC.

  21.    This property is a comma-separated list of event types, currently "MIDI" or

  22.    "OSC".  If this contains "OSC", the port may carry OSC bundles (first byte

  23.    '#') or OSC messages (first byte '/').  Note that the "status byte" of both

  24.    OSC events is not a valid MIDI status byte, so MIDI clients that check the

  25.    status byte will gracefully ignore OSC messages if the user makes an

  26.    inappropriate connection.

  27. */

  28. #define JACKEY_EVENT_TYPES "http://jackaudio.org/metadata/event-types"

  29. 

  30. /**

  31.    The type of an audio signal.

  32. 

  33.    This property allows audio ports to be tagged with a "meaning".  The value

  34.    is a simple string.  Currently, the only type is "CV", for "control voltage"

  35.    ports.  Hosts SHOULD be take care to not treat CV ports as audibile and send

  36.    their output directly to speakers.  In particular, CV ports are not

  37.    necessarily periodic at all and may have very high DC.

  38. */

  39. #define JACKEY_SIGNAL_TYPE "http://jackaudio.org/metadata/signal-type"

  40. 

  41. /**

  42.    The name of the icon for the subject (typically client).

  43. 

  44.    This is used for looking up icons on the system, possibly with many sizes or

  45.    themes.  Icons should be searched for according to the freedesktop Icon

  46.    Theme Specification:

  47. 

  48.    http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html

  49. */

  50. #define JACKEY_ICON_NAME "http://jackaudio.org/metadata/icon-name"

  51. 

  52. /**

  53.    Channel designation for a port.

  54. 

  55.    This allows ports to be tagged with a meaningful designation like "left",

  56.    "right", "lfe", etc.

  57. 

  58.    The value MUST be a URI.  An extensive set of URIs for designating audio

  59.    channels can be found at http://lv2plug.in/ns/ext/port-groups

  60. */

  61. #define JACKEY_DESIGNATION "http://lv2plug.in/ns/lv2core#designation"

  62. 

  63. /**

  64.    Order for a port.

  65. 

  66.    This is used to specify the best order to show ports in user interfaces.

  67.    The value MUST be an integer.  There are no other requirements, so there may

  68.    be gaps in the orders for several ports.  Applications should compare the

  69.    orders of ports to determine their relative order, but must not assign any

  70.    other relevance to order values.

  71. */

  72. #define JACKEY_ORDER "http://jackaudio.org/metadata/order"