mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
d8903b708d
Move the proxy plugin to the client-node Move serialization code to pinos because its specific to pinos Move some functions to the .h files Make the mapper dynamic
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* Simple Plugin API
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <spa/props.h>
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SpaResult
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spa_props_set_value (SpaProps *props,
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unsigned int index,
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const SpaPropValue *value)
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{
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const SpaPropInfo *info;
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if (props == NULL || value == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (index >= props->n_prop_info)
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return SPA_RESULT_INVALID_PROPERTY_INDEX;
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info = &props->prop_info[index];
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if ((info->flags & SPA_PROP_FLAG_WRITABLE) == 0)
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return SPA_RESULT_INVALID_PROPERTY_ACCESS;
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if (info->maxsize < value->size)
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return SPA_RESULT_WRONG_PROPERTY_SIZE;
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memcpy (SPA_MEMBER (props, info->offset, void), value->value, value->size);
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SPA_PROPS_INDEX_SET (props, index);
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return SPA_RESULT_OK;
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}
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SpaResult
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spa_props_get_value (const SpaProps *props,
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unsigned int index,
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SpaPropValue *value)
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{
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const SpaPropInfo *info;
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if (props == NULL || value == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (index >= props->n_prop_info)
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return SPA_RESULT_INVALID_PROPERTY_INDEX;
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info = &props->prop_info[index];
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if ((info->flags & SPA_PROP_FLAG_READABLE) == 0)
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return SPA_RESULT_INVALID_PROPERTY_ACCESS;
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if (SPA_PROPS_INDEX_IS_UNSET (props, index))
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return SPA_RESULT_PROPERTY_UNSET;
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value->size = info->maxsize;
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value->value = SPA_MEMBER (props, info->offset, void);
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return SPA_RESULT_OK;
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}
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SpaResult
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spa_props_copy_values (const SpaProps *src,
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SpaProps *dest)
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{
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int i;
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SpaResult res;
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if (src == dest)
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return SPA_RESULT_OK;
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for (i = 0; i < dest->n_prop_info; i++) {
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const SpaPropInfo *info = &dest->prop_info[i];
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SpaPropValue value;
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if (!(info->flags & SPA_PROP_FLAG_WRITABLE))
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continue;
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if ((res = spa_props_get_value (src, spa_props_index_for_id (src, info->id), &value)) < 0)
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continue;
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if (value.size > info->maxsize)
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return SPA_RESULT_WRONG_PROPERTY_SIZE;
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memcpy (SPA_MEMBER (dest, info->offset, void), value.value, value.size);
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SPA_PROPS_INDEX_SET (dest, i);
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}
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return SPA_RESULT_OK;
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}
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