mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/* Spa
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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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/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 <spa/debug/pod.h>
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#include <spa/debug/types.h>
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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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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_prop(&b, 1, 0);
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spa_pod_builder_push_array(&b);
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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_prop(&b, 2, 0);
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spa_pod_builder_int(&b, 42);
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struct spa_rectangle sizes[] = { {0, 0}, {1024, 1024} };
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spa_pod_builder_prop(&b, 3, 0);
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spa_pod_builder_push_array(&b);
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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_prop(&b, 4, 0);
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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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obj = spa_pod_builder_pop(&b);
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spa_debug_pod(0, NULL, obj);
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struct spa_pod_prop *p = spa_pod_find_prop(obj, 4);
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spa_debug_pod(0, NULL, &p->value);
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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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