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pipewire/spa/tests/test-props2.c

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Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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/* Spa
* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <spa/pod.h>
#include <spa/pod-builder.h>
Add new pod parser and builder Add a new pod builder and parser that is less verbose and a little more powerful.
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#include <spa/pod-parser.h>
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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Debug: remove logger Make a default logger and mapper in a .h file to be used by examples Remove logger and mapper from libs Make method to set the default mapper for the debug methods
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#include <spa/type-map-impl.h>
#include <spa/log-impl.h>
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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#include <spa/video/format.h>
Debug: remove logger Make a default logger and mapper in a .h file to be used by examples Remove logger and mapper from libs Make method to set the default mapper for the debug methods
2017-06-06 13:30:34 +02:00
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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#include <lib/debug.h>
Debug: remove logger Make a default logger and mapper in a .h file to be used by examples Remove logger and mapper from libs Make method to set the default mapper for the debug methods
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static SPA_TYPE_MAP_IMPL(default_map, 4096);
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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indent
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int main(int argc, char *argv[])
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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{
indent
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struct spa_pod_builder b = { NULL, };
uint8_t buffer[1024];
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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uint32_t ref;
indent
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struct spa_pod *obj;
Add new pod parser and builder Add a new pod builder and parser that is less verbose and a little more powerful.
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struct spa_pod_parser prs;
Debug: remove logger Make a default logger and mapper in a .h file to be used by examples Remove logger and mapper from libs Make method to set the default mapper for the debug methods
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struct spa_type_map *map = &default_map.map;
spa_debug_set_type_map(map);
indent
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b.data = buffer;
b.size = 1024;
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_object(&b, 0, 0);
indent
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uint32_t formats[] = { 1, 2 };
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_prop(&b, 1, SPA_POD_PROP_RANGE_ENUM);
indent
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spa_pod_builder_int(&b, 1);
spa_pod_builder_int(&b, formats[0]);
spa_pod_builder_int(&b, formats[1]);
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_pop(&b);
indent
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clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_prop(&b, 2, 0);
indent
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spa_pod_builder_int(&b, 42);
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_pop(&b);
indent
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struct spa_rectangle sizes[] = { {0, 0}, {1024, 1024} };
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_prop(&b,
indent
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3, SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET);
spa_pod_builder_rectangle(&b, 320, 240);
spa_pod_builder_raw(&b, sizes, sizeof(sizes));
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_pop(&b);
indent
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clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_prop(&b, 4, SPA_POD_PROP_FLAG_READONLY);
ref = spa_pod_builder_push_struct(&b);
indent
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spa_pod_builder_int(&b, 4);
spa_pod_builder_long(&b, 6000);
spa_pod_builder_float(&b, 4.0);
spa_pod_builder_double(&b, 3.14);
spa_pod_builder_string(&b, "test123");
spa_pod_builder_rectangle(&b, 320, 240);
spa_pod_builder_fraction(&b, 25, 1);
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_push_array(&b);
indent
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spa_pod_builder_int(&b, 4);
spa_pod_builder_int(&b, 5);
spa_pod_builder_int(&b, 6);
clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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spa_pod_builder_pop(&b);
spa_pod_builder_pop(&b);
spa_pod_builder_pop(&b);
obj = spa_pod_builder_pop_deref(&b);
indent
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Unify props, params and formats Make enum_params and set_param to configure properties, format and other parameters. This allows us to remove some duplicate code and make the properties and parameters much more extensible. Use the object id to mark the id of the parameter. Remove the spa_format and spa_props. We can now make the client-node easier by merging the various format methods into the params. Make the stream API more powerful now that we can pass params around.
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spa_debug_pod(obj, 0);
indent
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struct spa_pod_prop *p = spa_pod_object_find_prop((struct spa_pod_object *) obj, 4);
printf("%d %d\n", p->body.key, p->body.flags);
Unify props, params and formats Make enum_params and set_param to configure properties, format and other parameters. This allows us to remove some duplicate code and make the properties and parameters much more extensible. Use the object id to mark the id of the parameter. Remove the spa_format and spa_props. We can now make the client-node easier by merging the various format methods into the params. Make the stream API more powerful now that we can pass params around.
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spa_debug_pod(&p->body.value, 0);
indent
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clean up pod_builder Remove the frame argument from the builder, we can use the builder allocated frames. Add deref function to builder to make it more flexible later. Add some more recursion depth checks in the parser. Improve props filter, also filter other types.
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obj = spa_pod_builder_deref(&b, ref);
indent
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int32_t vi, *pi;
int64_t vl;
float vf;
double vd;
char *vs;
struct spa_rectangle vr;
struct spa_fraction vfr;
struct spa_pod_array *va;
Add new pod parser and builder Add a new pod builder and parser that is less verbose and a little more powerful.
2017-09-21 18:57:41 +02:00
spa_pod_parser_pod(&prs, obj);
spa_pod_parser_get(&prs,
"["
"i", &vi,
"l", &vl,
"f", &vf,
"d", &vd,
"s", &vs,
"R", &vr,
"F", &vfr,
"P", &va, 0);
indent
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printf("%u %lu %f %g %s %ux%u %u/%u\n", vi, vl, vf, vd, vs, vr.width, vr.height, vfr.num,
vfr.denom);
SPA_POD_ARRAY_BODY_FOREACH(&va->body, SPA_POD_BODY_SIZE(va), pi) {
printf("%d\n", *pi);
}
return 0;
Add POD helper objects POD (plain old data) objects are similar to LV2 Atoms and allows storage and construction of datastructures in memory or on the stack. They can be copied with a simple memcpy. The idea is to use this to construct the network messages and to replace the structures used for describing formats and properties.
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}
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