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https://gitlab.freedesktop.org/pipewire/pipewire.git
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905743dac6
Write out 0 while padding to make sure all memory is initialized Remove the fd from the loop before destroying the node.
125 lines
3.9 KiB
C
125 lines
3.9 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/pod.h>
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#include <spa/pod-builder.h>
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#include <spa/pod-iter.h>
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#include <spa/id-map.h>
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#include <spa/log.h>
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#include <spa/video/format.h>
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#include <lib/debug.h>
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#include <lib/mapper.h>
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int
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main (int argc, char *argv[])
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{
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SpaPODBuilder b = { NULL, };
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SpaPODFrame frame[4];
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uint8_t buffer[1024];
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SpaPOD *obj;
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SpaPODIter i;
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b.data = buffer;
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b.size = 1024;
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spa_pod_builder_push_object (&b, &frame[0], 0, 0);
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uint32_t formats[] = { 1, 2 };
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spa_pod_builder_push_prop (&b, &frame[1],
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1, SPA_POD_PROP_RANGE_ENUM | SPA_POD_PROP_FLAG_READWRITE);
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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, &frame[1]);
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spa_pod_builder_push_prop (&b, &frame[1],
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2, SPA_POD_PROP_RANGE_NONE | SPA_POD_PROP_FLAG_READWRITE);
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spa_pod_builder_int (&b, 42);
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spa_pod_builder_pop (&b, &frame[1]);
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SpaRectangle sizes[] = { { 0, 0 }, { 1024, 1024} };
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spa_pod_builder_push_prop (&b, &frame[1],
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3, SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET | SPA_POD_PROP_FLAG_READWRITE);
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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, &frame[1]);
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spa_pod_builder_push_prop (&b, &frame[1], 4, SPA_POD_PROP_RANGE_NONE | SPA_POD_PROP_FLAG_READABLE);
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spa_pod_builder_push_struct (&b, &frame[2]);
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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, &frame[3]);
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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, &frame[3]);
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spa_pod_builder_pop (&b, &frame[2]);
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spa_pod_builder_pop (&b, &frame[1]);
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spa_pod_builder_pop (&b, &frame[0]);
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obj = SPA_POD_BUILDER_DEREF (&b, frame[0].ref, SpaPOD);
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spa_debug_pod (obj);
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SpaPODProp *p = spa_pod_object_find_prop ((SpaPODObject *)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);
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obj = SPA_POD_BUILDER_DEREF (&b, frame[2].ref, SpaPOD);
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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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SpaRectangle vr;
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SpaFraction vfr;
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SpaPODArray *va;
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spa_pod_iter_pod (&i, obj);
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spa_pod_iter_get (&i, SPA_POD_TYPE_INT, &vi,
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SPA_POD_TYPE_LONG, &vl,
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SPA_POD_TYPE_FLOAT, &vf,
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SPA_POD_TYPE_DOUBLE, &vd,
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SPA_POD_TYPE_STRING, &vs,
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SPA_POD_TYPE_RECTANGLE, &vr,
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SPA_POD_TYPE_FRACTION, &vfr,
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SPA_POD_TYPE_ARRAY, &va,
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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, 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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