pipewire/spa/tests/test-props2.c

/* 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>
#include <spa/pod-iter.h>

#include <spa/type-map.h>
#include <spa/log.h>
#include <spa/video/format.h>
#include <lib/debug.h>
#include <lib/mapper.h>

int
main (int argc, char *argv[])
{
  SpaPODBuilder b = { NULL, };
  SpaPODFrame frame[4];
  uint8_t buffer[1024];
  SpaPOD *obj;
  SpaPODIter i;
  SpaTypeMap *map = spa_type_map_get_default ();

  b.data = buffer;
  b.size = 1024;

  spa_pod_builder_push_object (&b, &frame[0], 0, 0);

  uint32_t formats[] = { 1, 2 };
  spa_pod_builder_push_prop (&b, &frame[1],
                             1, SPA_POD_PROP_RANGE_ENUM);
  spa_pod_builder_int (&b, 1);
  spa_pod_builder_int (&b, formats[0]);
  spa_pod_builder_int (&b, formats[1]);
  spa_pod_builder_pop (&b, &frame[1]);

  spa_pod_builder_push_prop (&b, &frame[1], 2, 0);
  spa_pod_builder_int (&b, 42);
  spa_pod_builder_pop (&b, &frame[1]);

  SpaRectangle sizes[] = { { 0, 0 }, { 1024, 1024} };
  spa_pod_builder_push_prop (&b, &frame[1],
                             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));
  spa_pod_builder_pop (&b, &frame[1]);

  spa_pod_builder_push_prop (&b, &frame[1], 4, SPA_POD_PROP_FLAG_READONLY);
  spa_pod_builder_push_struct (&b, &frame[2]);
  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);
  spa_pod_builder_push_array (&b, &frame[3]);
  spa_pod_builder_int (&b, 4);
  spa_pod_builder_int (&b, 5);
  spa_pod_builder_int (&b, 6);
  spa_pod_builder_pop (&b, &frame[3]);
  spa_pod_builder_pop (&b, &frame[2]);
  spa_pod_builder_pop (&b, &frame[1]);
  spa_pod_builder_pop (&b, &frame[0]);

  obj = SPA_POD_BUILDER_DEREF (&b, frame[0].ref, SpaPOD);
  spa_debug_pod (obj, map);

  SpaPODProp *p = spa_pod_object_find_prop ((SpaPODObject *)obj, 4);
  printf ("%d %d\n", p->body.key, p->body.flags);
  spa_debug_pod (&p->body.value, map);

  obj = SPA_POD_BUILDER_DEREF (&b, frame[2].ref, SpaPOD);

  int32_t vi, *pi;
  int64_t vl;
  float vf;
  double vd;
  char *vs;
  SpaRectangle vr;
  SpaFraction vfr;
  SpaPODArray *va;
  spa_pod_iter_pod (&i, obj);
  spa_pod_iter_get (&i, SPA_POD_TYPE_INT, &vi,
                        SPA_POD_TYPE_LONG, &vl,
                        SPA_POD_TYPE_FLOAT, &vf,
                        SPA_POD_TYPE_DOUBLE, &vd,
                        SPA_POD_TYPE_STRING, &vs,
                        SPA_POD_TYPE_RECTANGLE, &vr,
                        SPA_POD_TYPE_FRACTION, &vfr,
                        SPA_POD_TYPE_ARRAY, &va,
                        0);

  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;
}