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Add new pod parser and builder

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Add a new pod builder and parser that is less verbose and
a little more powerful.
This commit is contained in:
Wim Taymans 2017-09-21 18:57:41 +02:00
parent 3e49aec61b
commit 24d80e5c00
54 changed files with 3616 additions and 2817 deletions
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92
spa/tests/test-props5.c Normal file
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@ -0,0 +1,92 @@
/* 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/log.h>
#include <lib/debug.h>
#include <spa/pod-parser.h>
int main(int argc, char *argv[])
{
char buffer[4096];
struct spa_pod_builder b = { 0, };
struct spa_pod_parser prs;
struct spa_pod *fmt, *pod = NULL, *pod2 = NULL;
uint32_t format = 1, video = 2, raw = 3;
uint32_t size = 4, framerate = 5, I420 = 6, YUY2 = 7;
uint32_t media_type = -1, media_subtype = -1;
uint32_t fmt_value = -1;
int res;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
fmt = spa_pod_builder_add(&b,
"<",0,format,
" [ i", video, "i",raw,"]"
" :", format, "ieu", I420,
2, I420, YUY2,
" :", size, "Rru", &SPA_RECTANGLE(320,240),
2, &SPA_RECTANGLE(1,1),
&SPA_RECTANGLE(INT32_MAX, INT32_MAX),
" :", framerate, "Fru", &SPA_FRACTION(25,1),
2, &SPA_FRACTION(0,1),
&SPA_FRACTION(INT32_MAX, 1),
">", NULL);
spa_debug_pod(fmt);
spa_pod_parser_pod(&prs, fmt);
res = spa_pod_parser_get(&prs,
"<"
" [ i",&media_type,"*i"/*,&media_subtype,*/" ]"
" :", framerate, "V", &pod,
" :", 10, "?V", &pod2,
" :", format, "?i", &fmt_value,
">", NULL);
printf("res :%d\n", res);
printf("media-type:%d media-subtype:%d\n", media_type, media_subtype);
printf("framerate:\n");
if (pod)
spa_debug_pod(pod);
printf("format: %d\n", fmt_value);
spa_pod_builder_init(&b, buffer, sizeof(buffer));
pod = spa_pod_builder_add(&b,
"<",0,format,
" P", NULL,
" [ i", 44, "i",45,"]"
">", NULL);
spa_debug_pod(pod);
spa_pod_parser_pod(&prs, pod);
res = spa_pod_parser_get(&prs,
"<"
" ?[ i",&media_type,"i",&media_subtype," ]"
" [ i", &video, "i",&raw,"]"
">", NULL);
printf("res :%d\n", res);
printf("video:%d raw:%d\n", video, raw);
return 0;
}