mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-02 09:01:50 -05:00
440f681f4b
Add an argument to pass the result param to the caller instead of having the caller have to pick it up from the builder. Improve docs for node, clock and monitor Pass spa_pod everywhere instead of spa_pod_object. Pass result argument to spa_pod_filter to make things a little nicer.
123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/* Spa
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* Copyright (C) 2017 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 <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <spa/support/log-impl.h>
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#include <spa/support/type-map-impl.h>
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#include <spa/pod/pod.h>
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#include <spa/pod/builder.h>
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#include <spa/pod/parser.h>
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#include <spa/param/video/format.h>
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#include <lib/debug.h>
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static SPA_TYPE_MAP_IMPL(default_map, 4096);
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int main(int argc, char *argv[])
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{
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struct spa_pod_builder b = { NULL, };
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uint8_t buffer[1024];
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uint32_t ref;
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struct spa_pod *obj;
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struct spa_pod_parser prs;
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struct spa_type_map *map = &default_map.map;
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spa_debug_set_type_map(map);
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b.data = buffer;
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b.size = 1024;
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spa_pod_builder_push_object(&b, 0, 0);
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uint32_t formats[] = { 1, 2 };
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spa_pod_builder_push_prop(&b, 1, SPA_POD_PROP_RANGE_ENUM);
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spa_pod_builder_int(&b, 1);
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spa_pod_builder_int(&b, formats[0]);
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spa_pod_builder_int(&b, formats[1]);
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spa_pod_builder_pop(&b);
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spa_pod_builder_push_prop(&b, 2, 0);
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spa_pod_builder_int(&b, 42);
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spa_pod_builder_pop(&b);
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struct spa_rectangle sizes[] = { {0, 0}, {1024, 1024} };
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spa_pod_builder_push_prop(&b,
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3, SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET);
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spa_pod_builder_rectangle(&b, 320, 240);
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spa_pod_builder_raw(&b, sizes, sizeof(sizes));
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spa_pod_builder_pop(&b);
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spa_pod_builder_push_prop(&b, 4, SPA_POD_PROP_FLAG_READONLY);
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ref = spa_pod_builder_push_struct(&b);
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spa_pod_builder_int(&b, 4);
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spa_pod_builder_long(&b, 6000);
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spa_pod_builder_float(&b, 4.0);
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spa_pod_builder_double(&b, 3.14);
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spa_pod_builder_string(&b, "test123");
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spa_pod_builder_rectangle(&b, 320, 240);
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spa_pod_builder_fraction(&b, 25, 1);
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spa_pod_builder_push_array(&b);
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spa_pod_builder_int(&b, 4);
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spa_pod_builder_int(&b, 5);
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spa_pod_builder_int(&b, 6);
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spa_pod_builder_pop(&b);
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spa_pod_builder_pop(&b);
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spa_pod_builder_pop(&b);
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obj = spa_pod_builder_pop(&b);
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spa_debug_pod(obj, 0);
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struct spa_pod_prop *p = spa_pod_find_prop(obj, 4);
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printf("%d %d\n", p->body.key, p->body.flags);
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spa_debug_pod(&p->body.value, 0);
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obj = spa_pod_builder_deref(&b, ref);
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int32_t vi, *pi;
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int64_t vl;
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float vf;
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double vd;
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char *vs;
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struct spa_rectangle vr;
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struct spa_fraction vfr;
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struct spa_pod_array *va;
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spa_pod_parser_pod(&prs, obj);
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spa_pod_parser_get(&prs,
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"["
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"i", &vi,
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"l", &vl,
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"f", &vf,
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"d", &vd,
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"s", &vs,
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"R", &vr,
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"F", &vfr,
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"P", &va, 0);
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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,
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vfr.denom);
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SPA_POD_ARRAY_BODY_FOREACH(&va->body, SPA_POD_BODY_SIZE(va), pi) {
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printf("%d\n", *pi);
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}
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return 0;
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}
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