mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
710a1a41e6
Fix selection of the default property value by restricting it to something in the valid range of the property. Fix audio/videotestsrc reuse Fix format enum with filters. Fix module property configuration Fix connection refill
391 lines
12 KiB
C
391 lines
12 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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#if 0
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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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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 *dinfo = &dest->prop_info[i];
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const SpaPropInfo *sinfo;
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unsigned int idx;
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if (!(dinfo->flags & SPA_PROP_FLAG_WRITABLE))
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continue;
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if ((idx = spa_props_index_for_id (src, dinfo->id)) == SPA_IDX_INVALID)
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continue;
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sinfo = &src->prop_info[idx];
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if (sinfo->maxsize > dinfo->maxsize)
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return SPA_RESULT_WRONG_PROPERTY_SIZE;
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memcpy (SPA_MEMBER (dest, dinfo->offset, void), SPA_MEMBER (src, sinfo->offset, void), sinfo->maxsize);
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if (!SPA_PROPS_INDEX_IS_UNSET (src, idx))
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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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#endif
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static int
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compare_value (SpaPODType type, const void *r1, const void *r2)
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{
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switch (type) {
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case SPA_POD_TYPE_INVALID:
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return 0;
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case SPA_POD_TYPE_BOOL:
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return *(int32_t*)r1 == *(uint32_t*)r2;
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case SPA_POD_TYPE_INT:
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return *(int32_t*)r1 - *(int32_t*)r2;
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case SPA_POD_TYPE_LONG:
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return *(int64_t*)r1 - *(int64_t*)r2;
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case SPA_POD_TYPE_FLOAT:
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return *(float*)r1 - *(float*)r2;
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case SPA_POD_TYPE_DOUBLE:
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return *(double*)r1 - *(double*)r2;
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case SPA_POD_TYPE_STRING:
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return strcmp (r1, r2);
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case SPA_POD_TYPE_RECTANGLE:
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{
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const SpaRectangle *rec1 = (SpaRectangle*)r1,
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*rec2 = (SpaRectangle*)r2;
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if (rec1->width == rec2->width && rec1->height == rec2->height)
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return 0;
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else if (rec1->width < rec2->width || rec1->height < rec2->height)
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return -1;
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else
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return 1;
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}
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case SPA_POD_TYPE_FRACTION:
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{
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const SpaFraction *f1 = (SpaFraction*)r1,
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*f2 = (SpaFraction*)r2;
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uint64_t n1, n2;
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n1 = ((int64_t) f1->num) * f2->denom;
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n2 = ((int64_t) f2->num) * f1->denom;
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if (n1 < n2)
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return -1;
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else if (n1 > n2)
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return 1;
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else
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return 0;
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}
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default:
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break;
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}
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return 0;
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}
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static void
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fix_default (SpaPODProp *prop)
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{
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void *val = SPA_MEMBER (prop, sizeof (SpaPODProp), void),
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*alt = SPA_MEMBER (val, prop->body.value.size, void);
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int i, nalt = SPA_POD_PROP_N_VALUES (prop) - 1;
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switch (prop->body.flags & SPA_POD_PROP_RANGE_MASK) {
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case SPA_POD_PROP_RANGE_NONE:
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break;
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case SPA_POD_PROP_RANGE_MIN_MAX:
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case SPA_POD_PROP_RANGE_STEP:
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if (compare_value (prop->body.value.type, val, alt) < 0)
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memcpy (val, alt, prop->body.value.size);
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alt = SPA_MEMBER (alt, prop->body.value.size, void);
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if (compare_value (prop->body.value.type, val, alt) > 0)
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memcpy (val, alt, prop->body.value.size);
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break;
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case SPA_POD_PROP_RANGE_ENUM:
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{
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void *best = NULL;
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for (i = 0; i < nalt; i++) {
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if (compare_value (prop->body.value.type, val, alt) == 0) {
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best = alt;
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break;
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}
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if (best == NULL)
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best = alt;
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alt = SPA_MEMBER (alt, prop->body.value.size, void);
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}
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if (best)
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memcpy (val, best, prop->body.value.size);
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if (nalt == 1) {
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prop->body.flags &= ~SPA_POD_PROP_FLAG_UNSET;
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prop->body.flags &= ~SPA_POD_PROP_RANGE_MASK;
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prop->body.flags |= SPA_POD_PROP_RANGE_NONE;
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}
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break;
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}
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case SPA_POD_PROP_RANGE_FLAGS:
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break;
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}
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}
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static inline SpaPODProp *
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find_prop (const SpaPOD *pod, uint32_t size, uint32_t key)
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{
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const SpaPOD *res;
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SPA_POD_FOREACH (pod, size, res) {
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if (res->type == SPA_POD_TYPE_PROP && ((SpaPODProp*)res)->body.key == key)
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return (SpaPODProp *)res;
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}
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return NULL;
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}
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SpaResult
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spa_props_filter (SpaPODBuilder *b,
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const SpaPOD *props,
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uint32_t props_size,
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const SpaPOD *filter,
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uint32_t filter_size)
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{
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int j, k;
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const SpaPOD *pr;
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SPA_POD_FOREACH (props, props_size, pr) {
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SpaPODFrame f;
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SpaPODProp *p1, *p2, *np;
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int nalt1, nalt2;
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void *alt1, *alt2, *a1, *a2;
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uint32_t rt1, rt2;
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if (pr->type != SPA_POD_TYPE_PROP)
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continue;
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p1 = (SpaPODProp *) pr;
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if (filter == NULL || (p2 = find_prop (filter, filter_size, p1->body.key)) == NULL) {
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/* no filter, copy the complete property */
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spa_pod_builder_raw (b, p1, SPA_POD_SIZE (p1), true);
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continue;
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}
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/* incompatible formats */
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if (p1->body.value.type != p2->body.value.type)
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return SPA_RESULT_NO_FORMAT;
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rt1 = p1->body.flags & SPA_POD_PROP_RANGE_MASK;
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rt2 = p2->body.flags & SPA_POD_PROP_RANGE_MASK;
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/* else we filter. start with copying the property */
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np = SPA_POD_BUILDER_DEREF (b,
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spa_pod_builder_push_prop (b, &f, p1->body.key, SPA_POD_PROP_FLAG_READWRITE),
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SpaPODProp);
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/* default value */
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spa_pod_builder_raw (b, &p1->body.value, sizeof (p1->body.value) + p1->body.value.size, false);
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alt1 = SPA_MEMBER (p1, sizeof (SpaPODProp), void);
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nalt1 = SPA_POD_PROP_N_VALUES (p1);
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alt2 = SPA_MEMBER (p2, sizeof (SpaPODProp), void);
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nalt2 = SPA_POD_PROP_N_VALUES (p2);
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if (p1->body.flags & SPA_POD_PROP_FLAG_UNSET) {
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alt1 = SPA_MEMBER (alt1, p1->body.value.size, void);
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nalt1--;
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} else {
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nalt1 = 1;
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}
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if (p2->body.flags & SPA_POD_PROP_FLAG_UNSET) {
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alt2 = SPA_MEMBER (alt2, p2->body.value.size, void);
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nalt2--;
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} else {
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nalt2 = 1;
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}
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if ((rt1 == SPA_POD_PROP_RANGE_NONE && rt2 == SPA_POD_PROP_RANGE_NONE) ||
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(rt1 == SPA_POD_PROP_RANGE_NONE && rt2 == SPA_POD_PROP_RANGE_ENUM) ||
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(rt1 == SPA_POD_PROP_RANGE_ENUM && rt2 == SPA_POD_PROP_RANGE_NONE) ||
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(rt1 == SPA_POD_PROP_RANGE_ENUM && rt2 == SPA_POD_PROP_RANGE_ENUM)) {
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int n_copied = 0;
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/* copy all equal values */
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for (j = 0, a1 = alt1; j < nalt1; j++, a1 += p1->body.value.size) {
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for (k = 0, a2 = alt2; k < nalt2; k++, a2 += p2->body.value.size) {
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if (compare_value (p1->body.value.type, a1, a2) == 0) {
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spa_pod_builder_raw (b, a1, p1->body.value.size, false);
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n_copied++;
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}
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}
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}
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if (n_copied == 0)
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return SPA_RESULT_NO_FORMAT;
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np->body.flags |= SPA_POD_PROP_RANGE_ENUM | SPA_POD_PROP_FLAG_UNSET;
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}
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if ((rt1 == SPA_POD_PROP_RANGE_NONE && rt2 == SPA_POD_PROP_RANGE_MIN_MAX) ||
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(rt1 == SPA_POD_PROP_RANGE_ENUM && rt2 == SPA_POD_PROP_RANGE_MIN_MAX)) {
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int n_copied = 0;
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/* copy all values inside the range */
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for (j = 0, a1 = alt1, a2 = alt2; j < nalt1; j++, a1 += p1->body.value.size) {
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if (compare_value (p1->body.value.type, a1, a2) < 0)
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continue;
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if (compare_value (p1->body.value.type, a1, a2 + p2->body.value.size) > 0)
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continue;
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spa_pod_builder_raw (b, a1, p1->body.value.size, false);
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n_copied++;
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}
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if (n_copied == 0)
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return SPA_RESULT_NO_FORMAT;
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np->body.flags |= SPA_POD_PROP_RANGE_ENUM | SPA_POD_PROP_FLAG_UNSET;
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}
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if ((rt1 == SPA_POD_PROP_RANGE_NONE && rt2 == SPA_POD_PROP_RANGE_STEP) ||
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(rt1 == SPA_POD_PROP_RANGE_ENUM && rt2 == SPA_POD_PROP_RANGE_STEP)) {
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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if ((rt1 == SPA_POD_PROP_RANGE_MIN_MAX && rt2 == SPA_POD_PROP_RANGE_NONE) ||
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(rt1 == SPA_POD_PROP_RANGE_MIN_MAX && rt2 == SPA_POD_PROP_RANGE_ENUM)) {
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int n_copied = 0;
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/* copy all values inside the range */
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for (k = 0, a1 = alt2, a2 = alt2; k < nalt2; k++, a2 += p2->body.value.size) {
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if (compare_value (p1->body.value.type, a2, a1) < 0)
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continue;
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if (compare_value (p1->body.value.type, a2, a1 + p1->body.value.size) > 0)
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continue;
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spa_pod_builder_raw (b, a2, p2->body.value.size, false);
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n_copied++;
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}
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if (n_copied == 0)
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return SPA_RESULT_NO_FORMAT;
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np->body.flags |= SPA_POD_PROP_RANGE_ENUM | SPA_POD_PROP_FLAG_UNSET;
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}
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if (rt1 == SPA_POD_PROP_RANGE_MIN_MAX && rt2 == SPA_POD_PROP_RANGE_MIN_MAX) {
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if (compare_value (p1->body.value.type, alt1, alt2) < 0)
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spa_pod_builder_raw (b, alt2, p2->body.value.size, false);
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else
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spa_pod_builder_raw (b, alt1, p1->body.value.size, false);
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alt1 += p1->body.value.size;
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alt2 += p2->body.value.size;
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if (compare_value (p1->body.value.type, alt1, alt2) < 0)
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spa_pod_builder_raw (b, alt1, p1->body.value.size, false);
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else
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spa_pod_builder_raw (b, alt2, p2->body.value.size, false);
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np->body.flags |= SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET;
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}
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if (rt1 == SPA_POD_PROP_RANGE_NONE && rt2 == SPA_POD_PROP_RANGE_FLAGS)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_MIN_MAX && rt2 == SPA_POD_PROP_RANGE_STEP)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_MIN_MAX && rt2 == SPA_POD_PROP_RANGE_FLAGS)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_ENUM && rt2 == SPA_POD_PROP_RANGE_FLAGS)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_STEP && rt2 == SPA_POD_PROP_RANGE_NONE)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_STEP && rt2 == SPA_POD_PROP_RANGE_MIN_MAX)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_STEP && rt2 == SPA_POD_PROP_RANGE_STEP)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_STEP && rt2 == SPA_POD_PROP_RANGE_ENUM)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_STEP && rt2 == SPA_POD_PROP_RANGE_FLAGS)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_FLAGS && rt2 == SPA_POD_PROP_RANGE_NONE)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_FLAGS && rt2 == SPA_POD_PROP_RANGE_MIN_MAX)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_FLAGS && rt2 == SPA_POD_PROP_RANGE_STEP)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_FLAGS && rt2 == SPA_POD_PROP_RANGE_ENUM)
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (rt1 == SPA_POD_PROP_RANGE_FLAGS && rt2 == SPA_POD_PROP_RANGE_FLAGS)
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return SPA_RESULT_NOT_IMPLEMENTED;
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spa_pod_builder_pop (b, &f);
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fix_default (np);
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}
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return SPA_RESULT_OK;
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}
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