mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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97 lines
3 KiB
C
97 lines
3 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/pod/parser.h>
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#include <spa/pod/builder.h>
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#include <spa/debug/pod.h>
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int main(int argc, char *argv[])
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{
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char buffer[4096];
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struct spa_pod_builder b = { 0, };
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struct spa_pod_parser prs;
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struct spa_pod *fmt, *pod = NULL, *pod2 = NULL;
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uint32_t format = 1, video = 2, raw = 3;
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uint32_t size = 4, framerate = 5, I420 = 6, YUY2 = 7;
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uint32_t media_type = -1, media_subtype = -1;
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uint32_t fmt_value = -1;
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int res;
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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fmt = spa_pod_builder_add(&b,
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"{",0,format,
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" [ i", video, "i",raw,"]"
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" :", format, "ieu", I420,
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2, I420, YUY2,
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" :", size, "Rru", &SPA_RECTANGLE(320,240),
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2, &SPA_RECTANGLE(1,1),
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&SPA_RECTANGLE(INT32_MAX, INT32_MAX),
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" :", framerate, "Fru", &SPA_FRACTION(25,1),
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2, &SPA_FRACTION(0,1),
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&SPA_FRACTION(INT32_MAX, 1),
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"}", NULL);
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spa_debug_pod(0, NULL, fmt);
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spa_pod_parser_pod(&prs, fmt);
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res = spa_pod_parser_get(&prs,
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"{"
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" [ i",&media_type,"*i"/*,&media_subtype,*/" ]"
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" :", framerate, "V", &pod,
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" :", 10, "?V", &pod2,
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" :", format, "?i", &fmt_value,
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"}", NULL);
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printf("res :%d\n", res);
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printf("media-type:%d media-subtype:%d\n", media_type, media_subtype);
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printf("framerate:\n");
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if (pod)
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spa_debug_pod(0, NULL, pod);
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printf("format: %d\n", fmt_value);
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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pod = spa_pod_builder_add(&b,
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"{",0,format,
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" P", NULL,
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" [ i", 44, "i",45,"]"
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"}", NULL);
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spa_debug_pod(0, NULL, pod);
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spa_pod_parser_pod(&prs, pod);
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res = spa_pod_parser_get(&prs,
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"{"
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" ?[ i",&media_type,"i",&media_subtype," ]"
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" [ i", &video, "i",&raw,"]"
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"}", NULL);
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printf("res :%d\n", res);
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printf("video:%d raw:%d\n", video, raw);
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return 0;
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}
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