mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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116 lines
3 KiB
C
116 lines
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/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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