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author | David Robillard <d@drobilla.net> | 2012-02-08 04:56:24 +0000 |
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committer | David Robillard <d@drobilla.net> | 2012-02-08 04:56:24 +0000 |
commit | ed78bbe5ba12be1f9bcc736f14c51da6b4f639f3 (patch) | |
tree | 653a2dfe33f3923da45a38fc04ed2106f93528f3 /lv2/ns/ext/contexts/contexts.h | |
parent | b617875c6f3ad439d25ae166da79df839ebfdc71 (diff) | |
download | lv2-ed78bbe5ba12be1f9bcc736f14c51da6b4f639f3.tar.xz |
Rearrange tree so top level can be used as an include path for standard style LV2 includes.
Diffstat (limited to 'lv2/ns/ext/contexts/contexts.h')
-rw-r--r-- | lv2/ns/ext/contexts/contexts.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/lv2/ns/ext/contexts/contexts.h b/lv2/ns/ext/contexts/contexts.h deleted file mode 100644 index f49b474..0000000 --- a/lv2/ns/ext/contexts/contexts.h +++ /dev/null @@ -1,82 +0,0 @@ -/* LV2 Contexts Extension - * Copyright (C) 2007-2009 David Robillard <http://drobilla.net> - * - * This header is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This header is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -/** @file - * C header for the LV2 Contexts extension - * <http://lv2plug.in/ns/ext/contexts>. - */ - -#ifndef LV2_CONTEXTS_H -#define LV2_CONTEXTS_H - -#include <stdint.h> - -#include "lv2/lv2plug.in/ns/lv2core/lv2.h" - -#define LV2_CONTEXTS_URI "http://lv2plug.in/ns/ext/contexts" - -static inline void -lv2_contexts_set_port_valid(void* flags, uint32_t index) { - ((uint8_t*)flags)[index / 8] |= 1 << (index % 8); -} - -static inline void -lv2_contexts_unset_port_valid(void* flags, uint32_t index) { - ((uint8_t*)flags)[index / 8] &= ~(1 << (index % 8)); -} - -static inline int -lv2_contexts_port_is_valid(const void* flags, uint32_t index) { - return (((uint8_t*)flags)[index / 8] & (1 << (index % 8))) != 0; -} - -typedef struct { - - /** The message run function. This is called once to process a set of - * inputs and produce a set of outputs. - * - * Before calling the host MUST set valid_inputs such that the bit - * corresponding to each input port is 1 iff data is present. The plugin - * MUST only inspect bits corresponding to ports in the message thread. - * - * Similarly, before returning the plugin MUST set valid_outputs such that - * the bit corresponding to each output port of the message context is 1 - * iff the value at that port has changed. - * The plugin must return 1 if outputs have been written, 0 otherwise. - */ - uint32_t (*run)(LV2_Handle instance, - const void* valid_inputs, - void* valid_outputs); - -} LV2_Contexts_MessageContext; - -typedef void* LV2_Contexts_Request_Run_Data; - -typedef struct { - - /** Pointer to opaque host data (to be passed to request_run) */ - LV2_Contexts_Request_Run_Data data; - - /** Request the host execute the context with the given URI */ - void (*request_run)(LV2_Contexts_Request_Run_Data host_handle, - uint32_t context_uri); - -} LV2_Contexts_Request_Run_Feature; - -#endif /* LV2_CONTEXTS_H */ - |