mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
caaeaff223
Reorganise the SPA includes to make it more extensible later Simplify the naming of the buffer and meta params
91 lines
2.6 KiB
C
91 lines
2.6 KiB
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/parser.h>
|
|
|
|
#include <lib/debug.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, 0);
|
|
|
|
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, 0);
|
|
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, 0);
|
|
|
|
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;
|
|
}
|