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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-01 22:58:50 -04:00
Reorganise the SPA includes to make it more extensible later Simplify the naming of the buffer and meta params
862 lines
23 KiB
C
862 lines
23 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/support/log.h>
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#include <spa/pod/iter.h>
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#include <lib/debug.h>
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#if 0
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/*
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( "Format",
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( "video", "raw" ),
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{
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"format": ( "seu", "I420", ( "I420", "YUY2" ) ),
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"size": ( "Rru", R(320, 242), ( R(1,1), R(MAX, MAX)) ),
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"framerate": ( "Fru", F(25, 1), ( F(0,1), F(MAX, 1)) )
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}
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)
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( struct
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{ object
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[ array
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1: s = string : "value"
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i = int : <number>
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l = long : <number>
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f = float : <float>
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d = double : <float>
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b = bool : true | false
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R = rectangle : [ <width>, <height> ]
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F = fraction : [ <num>, <denom> ]
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2: - = default (only default value present)
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e = enum : [ <value>, ... ]
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f = flags : [ <number> ]
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m = min/max : [ <min>, <max> ]
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s = min/max/step : [ <min>, <max>, <step> ]
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3: u = unset : value is unset, choose from options or default
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o = optional : value does not need to be set
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r = readonly : value is read only
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d = deprecated : value is deprecated
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*/
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#endif
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#define SPA_POD_MAX_DEPTH 16
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struct spa_pod_maker {
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struct spa_pod_builder b;
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struct spa_pod_frame frame[SPA_POD_MAX_DEPTH];
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int depth;
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};
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static inline void spa_pod_maker_init(struct spa_pod_maker *maker,
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char *data, int size)
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{
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spa_pod_builder_init(&maker->b, data, size);
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maker->depth = 0;
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}
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static const struct {
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char *pat;
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int len;
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int64_t val;
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} spa_constants[] = {
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{ "#I_MAX#", strlen("#I_MAX#"), INT32_MAX },
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{ "#I_MIN#", strlen("#I_MIN#"), INT32_MIN },
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{ "#L_MAX#", strlen("#L_MAX#"), INT64_MAX },
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{ "#L_MIN#", strlen("#L_MIN#"), INT64_MIN }
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};
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static inline int64_t spa_parse_int(const char *str, char **endptr)
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{
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int i;
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if (*str != '#')
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return strtoll(str, endptr, 10);
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for (i = 0; i < SPA_N_ELEMENTS(spa_constants); i++) {
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if (strncmp(str, spa_constants[i].pat, spa_constants[i].len) == 0) {
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*endptr = (char *) (str + spa_constants[i].len);
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return spa_constants[i].val;
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}
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}
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return 0;
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}
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static inline int spa_parse_string(const char *str, char **endptr)
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{
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int len;
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for (*endptr = (char *)str+1; **endptr != '\"' && **endptr != '\0'; (*endptr)++);
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len = (*endptr)++ - (str + 1);
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return len;
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}
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static inline void *
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spa_pod_maker_build(struct spa_pod_maker *maker,
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const char *format, ...)
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{
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va_list args;
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const char *start, *strval;
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int64_t intval;
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double doubleval;
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char last;
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struct spa_rectangle *rectval;
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struct spa_fraction *fracval;
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int len;
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va_start(args, format);
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while (*format != '\0') {
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switch (*format) {
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case '[':
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spa_pod_builder_push_struct(&maker->b, &maker->frame[maker->depth++]);
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break;
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case '(':
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spa_pod_builder_push_array(&maker->b, &maker->frame[maker->depth++]);
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break;
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case '{':
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spa_pod_builder_push_object(&maker->b, &maker->frame[maker->depth++], 0, 0);
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break;
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case ']': case '}': case ')':
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spa_pod_builder_pop(&maker->b, &maker->frame[--maker->depth]);
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break;
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case '\"':
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start = format + 1;
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if ((len = spa_parse_string(format, (char **) &format)) < 0)
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return NULL;
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format += strspn(format, " \t\r\n");
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if (*format == ':')
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spa_pod_builder_key_len(&maker->b, start, len);
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else
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spa_pod_builder_string_len(&maker->b, start, len);
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continue;
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case '@':
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case '%':
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last = *format;
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format++;
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switch (*format) {
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case 's':
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strval = va_arg(args, char *);
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spa_pod_builder_string_len(&maker->b, strval, strlen(strval));
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break;
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case 'i':
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spa_pod_builder_int(&maker->b, va_arg(args, int));
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break;
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case 'I':
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spa_pod_builder_id(&maker->b, va_arg(args, int));
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break;
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case 'l':
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spa_pod_builder_long(&maker->b, va_arg(args, int64_t));
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break;
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case 'f':
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spa_pod_builder_float(&maker->b, va_arg(args, double));
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break;
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case 'd':
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spa_pod_builder_double(&maker->b, va_arg(args, double));
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break;
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case 'b':
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spa_pod_builder_bool(&maker->b, va_arg(args, int));
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break;
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case 'z':
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{
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void *ptr = va_arg(args, void *);
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int len = va_arg(args, int);
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spa_pod_builder_bytes(&maker->b, ptr, len);
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break;
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}
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case 'p':
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spa_pod_builder_pointer(&maker->b, 0, va_arg(args, void *));
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break;
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case 'h':
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spa_pod_builder_fd(&maker->b, va_arg(args, int));
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break;
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case 'a':
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{
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int child_size = va_arg(args, int);
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int child_type = va_arg(args, int);
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int n_elems = va_arg(args, int);
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void *elems = va_arg(args, void *);
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spa_pod_builder_array(&maker->b, child_size, child_type, n_elems, elems);
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break;
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}
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case 'P':
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spa_pod_builder_primitive(&maker->b, va_arg(args, struct spa_pod *));
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break;
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case 'R':
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rectval = va_arg(args, struct spa_rectangle *);
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spa_pod_builder_rectangle(&maker->b, rectval->width, rectval->height);
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break;
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case 'F':
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fracval = va_arg(args, struct spa_fraction *);
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spa_pod_builder_fraction(&maker->b, fracval->num, fracval->denom);
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break;
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}
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if (last == '@') {
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format = va_arg(args, const char *);
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continue;
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}
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break;
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case '0' ... '9': case '-': case '+': case '#':
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start = format;
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intval = spa_parse_int(start, (char **) &format);
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if (*format == '.') {
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doubleval = strtod(start, (char **) &format);
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if (*format == 'f')
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spa_pod_builder_float(&maker->b, doubleval);
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else
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spa_pod_builder_double(&maker->b, doubleval);
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continue;
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}
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switch (*format) {
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case 'x':
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spa_pod_builder_rectangle(&maker->b, intval,
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spa_parse_int(format+1, (char **) &format));
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break;
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case '/':
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spa_pod_builder_fraction(&maker->b, intval,
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spa_parse_int(format+1, (char **) &format));
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break;
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case 'l':
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spa_pod_builder_long(&maker->b, intval);
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format++;
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break;
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default:
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spa_pod_builder_int(&maker->b, intval);
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break;
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}
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continue;
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}
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format++;
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}
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va_end(args);
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return SPA_POD_BUILDER_DEREF(&maker->b, maker->frame[maker->depth].ref, void);
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}
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static inline int spa_pod_id_to_type(char id)
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{
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switch (id) {
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case 'n':
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return SPA_POD_TYPE_NONE;
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case 'b':
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return SPA_POD_TYPE_BOOL;
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case 'I':
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return SPA_POD_TYPE_ID;
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case 'i':
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return SPA_POD_TYPE_INT;
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case 'l':
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return SPA_POD_TYPE_LONG;
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case 'f':
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return SPA_POD_TYPE_FLOAT;
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case 'd':
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return SPA_POD_TYPE_DOUBLE;
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case 's':
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return SPA_POD_TYPE_STRING;
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case 'k':
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return SPA_POD_TYPE_KEY;
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case 'z':
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return SPA_POD_TYPE_BYTES;
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case 'R':
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return SPA_POD_TYPE_RECTANGLE;
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case 'F':
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return SPA_POD_TYPE_FRACTION;
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case 'B':
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return SPA_POD_TYPE_BITMASK;
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case 'A':
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return SPA_POD_TYPE_ARRAY;
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case 'S':
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return SPA_POD_TYPE_STRUCT;
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case 'O':
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return SPA_POD_TYPE_OBJECT;
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case 'M':
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return SPA_POD_TYPE_MAP;
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case 'p':
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return SPA_POD_TYPE_POINTER;
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case 'h':
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return SPA_POD_TYPE_FD;
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case 'V': case 'v':
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return SPA_POD_TYPE_PROP;
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case 'P':
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return SPA_POD_TYPE_POD;
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default:
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return SPA_POD_TYPE_INVALID;
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}
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}
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enum spa_pod_prop_range {
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SPA_POD_PROP2_RANGE_NONE = '-',
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SPA_POD_PROP2_RANGE_MIN_MAX = 'r',
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SPA_POD_PROP2_RANGE_STEP = 's',
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SPA_POD_PROP2_RANGE_ENUM = 'e',
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SPA_POD_PROP2_RANGE_FLAGS = 'f'
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};
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enum spa_pod_prop_flags {
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SPA_POD_PROP2_FLAG_UNSET = (1 << 0),
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SPA_POD_PROP2_FLAG_OPTIONAL = (1 << 1),
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SPA_POD_PROP2_FLAG_READONLY = (1 << 2),
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SPA_POD_PROP2_FLAG_DEPRECATED = (1 << 3),
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};
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struct spa_pod_prop2 {
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enum spa_pod_type type;
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enum spa_pod_prop_range range;
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enum spa_pod_prop_flags flags;
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struct spa_pod *value;
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struct spa_pod *alternatives;
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};
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static inline int spa_pod_match(struct spa_pod *pod, const char *templ, ...);
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static inline int
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spa_pod_parse_prop(struct spa_pod *pod, enum spa_pod_type type, struct spa_pod_prop2 *prop)
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{
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int res;
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if (SPA_POD_TYPE(pod) == SPA_POD_TYPE_STRUCT) {
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const char *flags;
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char ch;
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if ((res = spa_pod_match(pod,
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"[ %s, %P, %P ]",
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&flags,
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&prop->value,
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&prop->alternatives)) < 0) {
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printf("can't parse prop chunk %d\n", res);
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return res;
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}
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prop->type = spa_pod_id_to_type(*flags++);
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if (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(prop->value)) {
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printf("prop chunk of wrong type %d != %d\n", SPA_POD_TYPE(prop->value), type);
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return -1;
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}
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prop->range = *flags++;
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/* flags */
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prop->flags = 0;
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while ((ch = *flags++) != '\0') {
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switch (ch) {
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case 'u':
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prop->flags |= SPA_POD_PROP2_FLAG_UNSET;
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break;
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case 'o':
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prop->flags |= SPA_POD_PROP2_FLAG_OPTIONAL;
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break;
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case 'r':
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prop->flags |= SPA_POD_PROP2_FLAG_READONLY;
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break;
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case 'd':
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prop->flags |= SPA_POD_PROP2_FLAG_DEPRECATED;
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break;
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}
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}
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}
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else {
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/* a single value */
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if (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(pod)) {
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printf("prop chunk of wrong type %d != %d\n", SPA_POD_TYPE(prop->value), type);
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return -1;
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}
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prop->type = SPA_POD_TYPE(pod);
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prop->range = SPA_POD_PROP2_RANGE_NONE;
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prop->flags = 0;
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prop->value = pod;
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prop->alternatives = pod;
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}
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return 0;
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}
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static inline int
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spa_pod_match(struct spa_pod *pod,
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const char *templ, ...)
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{
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struct spa_pod_iter it[SPA_POD_MAX_DEPTH];
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int depth = 0, collected = 0;
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va_list args;
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const char *start;
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int64_t intval, int2val;
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double doubleval;
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char last;
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struct spa_rectangle *rectval;
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struct spa_fraction *fracval;
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int type, len;
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struct spa_pod *current = pod;
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struct spa_pod_prop2 prop;
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bool store, maybe;
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va_start(args, templ);
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while (*templ != '\0') {
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switch (*templ) {
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case '[':
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depth++;
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if (current == NULL ||
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!spa_pod_iter_struct(&it[depth], current, SPA_POD_SIZE(current)))
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goto done;
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break;
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case '(':
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break;
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case '{':
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depth++;
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if (current == NULL ||
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!spa_pod_iter_map(&it[depth], current, SPA_POD_SIZE(current)))
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goto done;
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break;
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case ']': case '}': case ')':
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if (depth == 0)
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return -1;
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if (--depth == 0)
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goto done;
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break;
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case '\"':
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start = templ + 1;
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if ((len = spa_parse_string(templ, (char **) &templ)) < 0)
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return -1;
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templ += strspn(templ, " \t\r\n");
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if (*templ == ':') {
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if (SPA_POD_TYPE(it[depth].data) != SPA_POD_TYPE_MAP)
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return -1;
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it[depth].offset = sizeof(struct spa_pod_map);
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/* move to key */
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while (spa_pod_iter_has_next(&it[depth])) {
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current = spa_pod_iter_next(&it[depth]);
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if (SPA_POD_TYPE(current) == SPA_POD_TYPE_KEY &&
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strncmp(SPA_POD_CONTENTS_CONST(struct spa_pod_key, current),
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start, len) == 0)
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break;
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current = NULL;
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}
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}
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else {
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if (current == NULL || SPA_POD_TYPE(current) != SPA_POD_TYPE_STRING ||
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strncmp(SPA_POD_CONTENTS_CONST(struct spa_pod_string, current),
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start, len) != 0)
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goto done;
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}
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break;
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case '@':
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case '%':
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last = *templ;
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if (*++templ == '\0')
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return -1;
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store = *templ != '*';
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if (!store)
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if (*++templ == '\0')
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return -1;
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maybe = *templ == '?';
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if (maybe)
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if (*++templ == '\0')
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return -1;
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if (*templ == 'V' || *templ == 'v') {
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char t = *templ;
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templ++;
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type = spa_pod_id_to_type(*templ);
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if (current == NULL)
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goto no_current;
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if (spa_pod_parse_prop(current, type, &prop) < 0)
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return -1;
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if (t == 'v') {
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if (prop.flags & SPA_POD_PROP2_FLAG_UNSET) {
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if (store)
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va_arg(args, void *);
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goto skip;
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}
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else
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current = prop.value;
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}
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else {
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collected++;
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*va_arg(args, struct spa_pod_prop2 *) = prop;
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goto skip;
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}
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}
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no_current:
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type = spa_pod_id_to_type(*templ);
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if (current == NULL || (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(current))) {
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if (!maybe)
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return -1;
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if (store)
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va_arg(args, void *);
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goto skip;
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}
|
|
if (!store)
|
|
goto skip;
|
|
|
|
collected++;
|
|
|
|
switch (*templ) {
|
|
case 'n': case 'A': case 'S': case 'O': case 'M': case 'P':
|
|
*va_arg(args, struct spa_pod **) = current;
|
|
break;
|
|
case 'b':
|
|
case 'i':
|
|
case 'I':
|
|
*va_arg(args, int32_t *) = SPA_POD_VALUE(struct spa_pod_int, current);
|
|
break;
|
|
case 'l':
|
|
*va_arg(args, int64_t *) = SPA_POD_VALUE(struct spa_pod_long, current);
|
|
break;
|
|
case 'f':
|
|
*va_arg(args, float *) = SPA_POD_VALUE(struct spa_pod_float, current);
|
|
break;
|
|
case 'd':
|
|
*va_arg(args, double *) = SPA_POD_VALUE(struct spa_pod_double, current);
|
|
break;
|
|
case 's':
|
|
case 'k':
|
|
*va_arg(args, char **) = SPA_POD_CONTENTS(struct spa_pod_string, current);
|
|
break;
|
|
case 'z':
|
|
*va_arg(args, void **) = SPA_POD_CONTENTS(struct spa_pod_bytes, current);
|
|
*va_arg(args, uint32_t *) = SPA_POD_BODY_SIZE(current);
|
|
break;
|
|
case 'R':
|
|
*va_arg(args, struct spa_rectangle *) =
|
|
SPA_POD_VALUE(struct spa_pod_rectangle, current);
|
|
break;
|
|
case 'F':
|
|
*va_arg(args, struct spa_fraction *) =
|
|
SPA_POD_VALUE(struct spa_pod_fraction, current);
|
|
break;
|
|
case 'p':
|
|
{
|
|
struct spa_pod_pointer_body *b = SPA_POD_BODY(current);
|
|
*va_arg(args, void **) = b->value;
|
|
break;
|
|
}
|
|
case 'h':
|
|
*va_arg(args, int *) = SPA_POD_VALUE(struct spa_pod_fd, current);
|
|
break;
|
|
default:
|
|
va_arg(args, void *);
|
|
break;
|
|
}
|
|
|
|
skip:
|
|
if (last == '@') {
|
|
templ = va_arg(args, void *);
|
|
goto next;
|
|
}
|
|
break;
|
|
case '0' ... '9': case '-': case '+': case '#':
|
|
start = templ;
|
|
intval = spa_parse_int(start, (char **) &templ);
|
|
if (*templ == '.') {
|
|
doubleval = strtod(start, (char **) &templ);
|
|
if (*templ == 'f') {
|
|
if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_FLOAT ||
|
|
doubleval != SPA_POD_VALUE(struct spa_pod_float, current))
|
|
goto done;
|
|
break;
|
|
}
|
|
else if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_DOUBLE ||
|
|
doubleval != SPA_POD_VALUE(struct spa_pod_double, current))
|
|
goto done;
|
|
goto next;
|
|
}
|
|
switch (*templ) {
|
|
case 'x':
|
|
if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_RECTANGLE)
|
|
goto done;
|
|
|
|
rectval = &SPA_POD_VALUE(struct spa_pod_rectangle, current);
|
|
int2val = spa_parse_int(templ+1, (char **) &templ);
|
|
if (rectval->width != intval || rectval->height != int2val)
|
|
goto done;
|
|
goto next;
|
|
case '/':
|
|
if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_FRACTION)
|
|
goto done;
|
|
|
|
fracval = &SPA_POD_VALUE(struct spa_pod_fraction, current);
|
|
int2val = spa_parse_int(templ+1, (char **) &templ);
|
|
if (fracval->num != intval || fracval->denom != int2val)
|
|
goto done;
|
|
goto next;
|
|
case 'l':
|
|
if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_LONG ||
|
|
SPA_POD_VALUE(struct spa_pod_long, current) != intval)
|
|
goto done;
|
|
break;
|
|
default:
|
|
if (current == NULL ||
|
|
SPA_POD_TYPE(current) != SPA_POD_TYPE_INT ||
|
|
SPA_POD_VALUE(struct spa_pod_int, current) != intval)
|
|
goto done;
|
|
break;
|
|
}
|
|
break;
|
|
case ' ': case '\n': case '\t': case '\r': case ',':
|
|
templ++;
|
|
continue;
|
|
}
|
|
templ++;
|
|
|
|
next:
|
|
if (spa_pod_iter_has_next(&it[depth]))
|
|
current = spa_pod_iter_next(&it[depth]);
|
|
else
|
|
current = NULL;
|
|
}
|
|
va_end(args);
|
|
|
|
done:
|
|
return collected;
|
|
}
|
|
|
|
static int test_match(const char *fmt)
|
|
{
|
|
const char *media_type, *media_subtype, *format;
|
|
int rate = -1, res;
|
|
struct spa_pod_prop2 channels;
|
|
struct spa_pod *pod;
|
|
struct spa_pod_maker m = { 0, };
|
|
char buffer[4096];
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
pod = spa_pod_maker_build(&m, fmt);
|
|
spa_debug_pod(pod);
|
|
|
|
res = spa_pod_match(pod,
|
|
"[ \"Format\", "
|
|
" [ @s",&media_type," @s",&media_subtype," ], "
|
|
" { "
|
|
" \"rate\": @vi", &rate,
|
|
" \"format\": @vs", &format,
|
|
" \"channels\": @VP", &channels,
|
|
" \"foo\": @?VP", &channels,
|
|
" } "
|
|
"]");
|
|
|
|
printf("collected %d\n", res);
|
|
printf("media type %s\n", media_type);
|
|
printf("media subtype %s\n", media_subtype);
|
|
printf("media rate %d\n", rate);
|
|
printf("media format %s\n", format);
|
|
printf("media channels: %d %c %04x\n",channels.type, channels.range, channels.flags);
|
|
spa_debug_pod(channels.value);
|
|
spa_debug_pod(channels.alternatives);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct spa_pod_maker m = { 0, };
|
|
char buffer[4096];
|
|
struct spa_pod *fmt;
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
fmt = spa_pod_maker_build(&m,
|
|
"[ \"Format\", "
|
|
" [\"video\", \"raw\" ], "
|
|
" { "
|
|
" \"format\": [ \"eu\", \"I420\", [ \"I420\",\"YUY2\" ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ 1x1, #I_MAX#x#I_MAX# ] ], "
|
|
" \"framerate\": [ \"ru\", 25/1, [ 0/1, #I_MAX#/1 ] ] "
|
|
" } "
|
|
"] ");
|
|
spa_debug_pod(fmt);
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
fmt = spa_pod_maker_build(&m,
|
|
"[ \"Format\", "
|
|
" [\"video\", %s ], "
|
|
" { "
|
|
" \"format\": [ \"eu\", \"I420\", [ %s, \"YUY2\" ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ %R, #I_MAX#x#I_MAX# ] ], "
|
|
" \"framerate\": [ \"ru\", %F, [ 0/1, #I_MAX#/1 ] ] "
|
|
" } "
|
|
"] ",
|
|
"raw",
|
|
"I420",
|
|
&(struct spa_rectangle){ 1, 1 },
|
|
&(struct spa_fraction){ 25, 1 }
|
|
);
|
|
spa_debug_pod(fmt);
|
|
|
|
{
|
|
const char *format = "S16";
|
|
int rate = 44100, channels = 2;
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
fmt = spa_pod_maker_build(&m,
|
|
"[ \"Format\", "
|
|
" [\"audio\", \"raw\" ], "
|
|
" { "
|
|
" \"format\": [@s", format, "] "
|
|
" \"rate\": [@i", rate, "] "
|
|
" \"channels\": [@i", channels, "] "
|
|
" \"rect\": [@R", &SPA_RECTANGLE(32, 22), "] "
|
|
" } "
|
|
"] ");
|
|
spa_debug_pod(fmt);
|
|
}
|
|
|
|
{
|
|
const char *format = "S16";
|
|
int rate = 44100, channels = 2;
|
|
struct spa_rectangle rects[3] = { { 1, 1 }, { 2, 2}, {3, 3}};
|
|
struct spa_pod_int pod = SPA_POD_INT_INIT(12);
|
|
uint8_t bytes[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 };
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
spa_pod_maker_build(&m,
|
|
"[ \"Format\", "
|
|
" [\"audio\", \"raw\" ], ");
|
|
fmt = spa_pod_maker_build(&m,
|
|
" { "
|
|
" \"format\": [ %s ] "
|
|
" \"rate\": [ %i, ( 44100, 48000, 96000 ) ]"
|
|
" \"foo\": %i, ( 1.1, 2.2, 3.2 )"
|
|
" \"baz\": ( 1.1f, 2.2f, 3.2f )"
|
|
" \"bar\": ( 1x1, 2x2, 3x2 )"
|
|
" \"faz\": ( 1/1, 2/2, 3/2 )"
|
|
" \"wha\": %a, "
|
|
" \"fuz\": %P, "
|
|
// " \"fur\": ( (1, 2), (7, 8), (7, 5) ) "
|
|
// " \"fur\": ( [1, 2], [7, 8], [7, 5] ) "
|
|
" \"buz\": %z, "
|
|
" \"boo\": %p, "
|
|
" \"foz\": %h, "
|
|
" } "
|
|
"] ", format, rate, channels,
|
|
sizeof(struct spa_rectangle), SPA_POD_TYPE_RECTANGLE, 3, rects,
|
|
&pod,
|
|
bytes, sizeof(bytes),
|
|
fmt,
|
|
STDOUT_FILENO);
|
|
spa_debug_pod(fmt);
|
|
}
|
|
|
|
spa_pod_maker_init(&m, buffer, sizeof(buffer));
|
|
fmt = spa_pod_maker_build(&m,
|
|
"[ \"Format\", "
|
|
" [\"video\", %s ], "
|
|
" { "
|
|
" \"format\": [ \"eu\", \"I420\", [ %s, \"YUY2\" ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ %R, #I_MAX#x#I_MAX# ] ], "
|
|
" \"framerate\": [ \"ru\", %F, [ 0/1, #I_MAX#/1 ] ] "
|
|
" } "
|
|
"] ",
|
|
"raw",
|
|
"I420",
|
|
&(struct spa_rectangle){ 1, 1 },
|
|
&(struct spa_fraction){ 25, 1 }
|
|
);
|
|
spa_debug_pod(fmt);
|
|
|
|
{
|
|
const char *subtype = NULL, *format = NULL;
|
|
struct spa_pod *pod = NULL;
|
|
struct spa_rectangle rect = { 0, 0 };
|
|
struct spa_fraction frac = { 0, 0 };
|
|
int res;
|
|
|
|
res = spa_pod_match(fmt,
|
|
"[ \"Format\", "
|
|
" [\"video\", %s ], "
|
|
" { "
|
|
" \"format\": [ %*s, %*s, [ %s, %*s ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ %R, %P ] ], "
|
|
" \"framerate\": [ %*P, %F, %*S ] "
|
|
" } "
|
|
"] ",
|
|
&subtype,
|
|
&format,
|
|
&rect,
|
|
&pod,
|
|
&frac);
|
|
|
|
printf("collected %d\n", res);
|
|
printf("media type %s\n", subtype);
|
|
printf("media format %s\n", format);
|
|
printf("media size %dx%d\n", rect.width, rect.height);
|
|
printf("media size pod\n");
|
|
spa_debug_pod(pod);
|
|
printf("media framerate %d/%d\n", frac.num, frac.denom);
|
|
|
|
res = spa_pod_match(fmt,
|
|
"[ \"Format\", "
|
|
" [\"video\", @s", &subtype, " ], "
|
|
" { "
|
|
" \"format\": [ %*s, %*s, [ @s", &format, ", %*s ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ @R",&rect,", @P",&pod," ] ], "
|
|
" \"framerate\": [ %*P, @F",&frac,", %*S ] "
|
|
" } "
|
|
"] ");
|
|
|
|
printf("collected %d\n", res);
|
|
printf("media type %s\n", subtype);
|
|
printf("media format %s\n", format);
|
|
printf("media size %dx%d\n", rect.width, rect.height);
|
|
printf("media size pod\n");
|
|
spa_debug_pod(pod);
|
|
printf("media framerate %d/%d\n", frac.num, frac.denom);
|
|
|
|
res = spa_pod_match(fmt,
|
|
"[ \"Format\", "
|
|
" [\"video\", @s", &subtype, " ], "
|
|
" { "
|
|
" \"format\": [ %*s, %*s, [ @s", &format, ", %*s ] ], "
|
|
" \"size\": [ \"ru\", 320x242, [ @R",&rect,", @P",&pod," ] ], "
|
|
" \"framerate\": [ %*P, @F",&frac,", %*S ] "
|
|
" } "
|
|
"] ");
|
|
|
|
}
|
|
|
|
test_match("[ \"Format\", "
|
|
" [\"audio\", \"raw\" ], "
|
|
" { "
|
|
" \"format\": [ \"se\", \"S16\", [ \"S16\", \"F32\" ] ], "
|
|
" \"rate\": [ \"iru\", 44100, [ 1, 192000 ] ], "
|
|
" \"channels\": [ \"ir\", 2, [ 1, #I_MAX# ]] "
|
|
" } "
|
|
"] ");
|
|
|
|
test_match(
|
|
"[ \"Format\", "
|
|
" [ \"audio\", \"raw\"], "
|
|
" { "
|
|
" \"format\": \"S16LE\", "
|
|
" \"rate\": 44100, "
|
|
" \"channels\": 2 "
|
|
" }"
|
|
"]");
|
|
|
|
return 0;
|
|
}
|