mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-11 13:30:07 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add new pod parser and builder

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

861
spa/tests/test-props4.c Normal file
View file

@ -0,0 +1,861 @@
/* 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-iter.h>
#if 0
/*
( "Format",
( "video", "raw" ),
{
"format": ( "seu", "I420", ( "I420", "YUY2" ) ),
"size": ( "Rru", R(320, 242), ( R(1,1), R(MAX, MAX)) ),
"framerate": ( "Fru", F(25, 1), ( F(0,1), F(MAX, 1)) )
}
)
( struct
{ object
[ array
1: s = string : "value"
i = int : <number>
l = long : <number>
f = float : <float>
d = double : <float>
b = bool : true | false
R = rectangle : [ <width>, <height> ]
F = fraction : [ <num>, <denom> ]
2: - = default (only default value present)
e = enum : [ <value>, ... ]
f = flags : [ <number> ]
m = min/max : [ <min>, <max> ]
s = min/max/step : [ <min>, <max>, <step> ]
3: u = unset : value is unset, choose from options or default
o = optional : value does not need to be set
r = readonly : value is read only
d = deprecated : value is deprecated
*/
#endif
#define SPA_POD_MAX_LEVEL 16
struct spa_pod_maker {
struct spa_pod_builder b;
struct spa_pod_frame frame[SPA_POD_MAX_LEVEL];
int depth;
};
static inline void spa_pod_maker_init(struct spa_pod_maker *maker,
char *data, int size)
{
spa_pod_builder_init(&maker->b, data, size);
maker->depth = 0;
}
static const struct {
char *pat;
int len;
int64_t val;
} spa_constants[] = {
{ "#I_MAX#", strlen("#I_MAX#"), INT32_MAX },
{ "#I_MIN#", strlen("#I_MIN#"), INT32_MIN },
{ "#L_MAX#", strlen("#L_MAX#"), INT64_MAX },
{ "#L_MIN#", strlen("#L_MIN#"), INT64_MIN }
};
static inline int64_t spa_parse_int(const char *str, char **endptr)
{
int i;
if (*str != '#')
return strtoll(str, endptr, 10);
for (i = 0; i < SPA_N_ELEMENTS(spa_constants); i++) {
if (strncmp(str, spa_constants[i].pat, spa_constants[i].len) == 0) {
*endptr = (char *) (str + spa_constants[i].len);
return spa_constants[i].val;
}
}
return 0;
}
static inline int spa_parse_string(const char *str, char **endptr)
{
int len;
for (*endptr = (char *)str+1; **endptr != '\"' && **endptr != '\0'; (*endptr)++);
len = (*endptr)++ - (str + 1);
return len;
}
static inline void *
spa_pod_maker_build(struct spa_pod_maker *maker,
const char *format, ...)
{
va_list args;
const char *start, *strval;
int64_t intval;
double doubleval;
char last;
struct spa_rectangle *rectval;
struct spa_fraction *fracval;
int len;
va_start(args, format);
while (*format != '\0') {
switch (*format) {
case '[':
spa_pod_builder_push_struct(&maker->b, &maker->frame[maker->depth++]);
break;
case '(':
spa_pod_builder_push_array(&maker->b, &maker->frame[maker->depth++]);
break;
case '{':
spa_pod_builder_push_map(&maker->b, &maker->frame[maker->depth++]);
break;
case ']': case '}': case ')':
spa_pod_builder_pop(&maker->b, &maker->frame[--maker->depth]);
break;
case '\"':
start = format + 1;
if ((len = spa_parse_string(format, (char **) &format)) < 0)
return NULL;
format += strspn(format, " \t\r\n");
if (*format == ':')
spa_pod_builder_key_len(&maker->b, start, len);
else
spa_pod_builder_string_len(&maker->b, start, len);
continue;
case '@':
case '%':
last = *format;
format++;
switch (*format) {
case 's':
strval = va_arg(args, char *);
spa_pod_builder_string_len(&maker->b, strval, strlen(strval));
break;
case 'i':
spa_pod_builder_int(&maker->b, va_arg(args, int));
break;
case 'I':
spa_pod_builder_id(&maker->b, va_arg(args, int));
break;
case 'l':
spa_pod_builder_long(&maker->b, va_arg(args, int64_t));
break;
case 'f':
spa_pod_builder_float(&maker->b, va_arg(args, double));
break;
case 'd':
spa_pod_builder_double(&maker->b, va_arg(args, double));
break;
case 'b':
spa_pod_builder_bool(&maker->b, va_arg(args, int));
break;
case 'z':
{
void *ptr = va_arg(args, void *);
int len = va_arg(args, int);
spa_pod_builder_bytes(&maker->b, ptr, len);
break;
}
case 'p':
spa_pod_builder_pointer(&maker->b, 0, va_arg(args, void *));
break;
case 'h':
spa_pod_builder_fd(&maker->b, va_arg(args, int));
break;
case 'a':
{
int child_size = va_arg(args, int);
int child_type = va_arg(args, int);
int n_elems = va_arg(args, int);
void *elems = va_arg(args, void *);
spa_pod_builder_array(&maker->b, child_size, child_type, n_elems, elems);
break;
}
case 'P':
spa_pod_builder_primitive(&maker->b, va_arg(args, struct spa_pod *));
break;
case 'R':
rectval = va_arg(args, struct spa_rectangle *);
spa_pod_builder_rectangle(&maker->b, rectval->width, rectval->height);
break;
case 'F':
fracval = va_arg(args, struct spa_fraction *);
spa_pod_builder_fraction(&maker->b, fracval->num, fracval->denom);
break;
}
if (last == '@') {
format = va_arg(args, const char *);
continue;
}
break;
case '0' ... '9': case '-': case '+': case '#':
start = format;
intval = spa_parse_int(start, (char **) &format);
if (*format == '.') {
doubleval = strtod(start, (char **) &format);
if (*format == 'f')
spa_pod_builder_float(&maker->b, doubleval);
else
spa_pod_builder_double(&maker->b, doubleval);
continue;
}
switch (*format) {
case 'x':
spa_pod_builder_rectangle(&maker->b, intval,
spa_parse_int(format+1, (char **) &format));
break;
case '/':
spa_pod_builder_fraction(&maker->b, intval,
spa_parse_int(format+1, (char **) &format));
break;
case 'l':
spa_pod_builder_long(&maker->b, intval);
format++;
break;
default:
spa_pod_builder_int(&maker->b, intval);
break;
}
continue;
}
format++;
}
va_end(args);
return SPA_POD_BUILDER_DEREF(&maker->b, maker->frame[maker->depth].ref, void);
}
static inline int spa_pod_id_to_type(char id)
{
switch (id) {
case 'n':
return SPA_POD_TYPE_NONE;
case 'b':
return SPA_POD_TYPE_BOOL;
case 'I':
return SPA_POD_TYPE_ID;
case 'i':
return SPA_POD_TYPE_INT;
case 'l':
return SPA_POD_TYPE_LONG;
case 'f':
return SPA_POD_TYPE_FLOAT;
case 'd':
return SPA_POD_TYPE_DOUBLE;
case 's':
return SPA_POD_TYPE_STRING;
case 'k':
return SPA_POD_TYPE_KEY;
case 'z':
return SPA_POD_TYPE_BYTES;
case 'R':
return SPA_POD_TYPE_RECTANGLE;
case 'F':
return SPA_POD_TYPE_FRACTION;
case 'B':
return SPA_POD_TYPE_BITMASK;
case 'A':
return SPA_POD_TYPE_ARRAY;
case 'S':
return SPA_POD_TYPE_STRUCT;
case 'O':
return SPA_POD_TYPE_OBJECT;
case 'M':
return SPA_POD_TYPE_MAP;
case 'p':
return SPA_POD_TYPE_POINTER;
case 'h':
return SPA_POD_TYPE_FD;
case 'V': case 'v':
return SPA_POD_TYPE_PROP;
case 'P':
return SPA_POD_TYPE_POD;
default:
return SPA_POD_TYPE_INVALID;
}
}
enum spa_pod_prop_range {
SPA_POD_PROP2_RANGE_NONE = '-',
SPA_POD_PROP2_RANGE_MIN_MAX = 'r',
SPA_POD_PROP2_RANGE_STEP = 's',
SPA_POD_PROP2_RANGE_ENUM = 'e',
SPA_POD_PROP2_RANGE_FLAGS = 'f'
};
enum spa_pod_prop_flags {
SPA_POD_PROP2_FLAG_UNSET = (1 << 0),
SPA_POD_PROP2_FLAG_OPTIONAL = (1 << 1),
SPA_POD_PROP2_FLAG_READONLY = (1 << 2),
SPA_POD_PROP2_FLAG_DEPRECATED = (1 << 3),
};
struct spa_pod_prop2 {
enum spa_pod_type type;
enum spa_pod_prop_range range;
enum spa_pod_prop_flags flags;
struct spa_pod *value;
struct spa_pod *alternatives;
};
static inline int spa_pod_match(struct spa_pod *pod, const char *templ, ...);
static inline int
spa_pod_parse_prop(struct spa_pod *pod, enum spa_pod_type type, struct spa_pod_prop2 *prop)
{
int res;
if (SPA_POD_TYPE(pod) == SPA_POD_TYPE_STRUCT) {
const char *flags;
char ch;
if ((res = spa_pod_match(pod,
"[ %s, %P, %P ]",
&flags,
&prop->value,
&prop->alternatives)) < 0) {
printf("can't parse prop chunk %d\n", res);
return res;
}
prop->type = spa_pod_id_to_type(*flags++);
if (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(prop->value)) {
printf("prop chunk of wrong type %d != %d\n", SPA_POD_TYPE(prop->value), type);
return -1;
}
prop->range = *flags++;
/* flags */
prop->flags = 0;
while ((ch = *flags++) != '\0') {
switch (ch) {
case 'u':
prop->flags |= SPA_POD_PROP2_FLAG_UNSET;
break;
case 'o':
prop->flags |= SPA_POD_PROP2_FLAG_OPTIONAL;
break;
case 'r':
prop->flags |= SPA_POD_PROP2_FLAG_READONLY;
break;
case 'd':
prop->flags |= SPA_POD_PROP2_FLAG_DEPRECATED;
break;
}
}
}
else {
/* a single value */
if (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(pod)) {
printf("prop chunk of wrong type %d != %d\n", SPA_POD_TYPE(prop->value), type);
return -1;
}
prop->type = SPA_POD_TYPE(pod);
prop->range = SPA_POD_PROP2_RANGE_NONE;
prop->flags = 0;
prop->value = pod;
prop->alternatives = pod;
}
return 0;
}
static inline int
spa_pod_match(struct spa_pod *pod,
const char *templ, ...)
{
struct spa_pod_iter it[SPA_POD_MAX_LEVEL];
int depth = 0, collected = 0;
va_list args;
const char *start;
int64_t intval, int2val;
double doubleval;
char last;
struct spa_rectangle *rectval;
struct spa_fraction *fracval;
int type, len;
struct spa_pod *current = pod;
struct spa_pod_prop2 prop;
bool store, maybe;
va_start(args, templ);
while (*templ != '\0') {
switch (*templ) {
case '[':
depth++;
if (current == NULL ||
!spa_pod_iter_struct(&it[depth], current, SPA_POD_SIZE(current)))
goto done;
break;
case '(':
break;
case '{':
depth++;
if (current == NULL ||
!spa_pod_iter_map(&it[depth], current, SPA_POD_SIZE(current)))
goto done;
break;
case ']': case '}': case ')':
if (depth == 0)
return -1;
if (--depth == 0)
goto done;
break;
case '\"':
start = templ + 1;
if ((len = spa_parse_string(templ, (char **) &templ)) < 0)
return -1;
templ += strspn(templ, " \t\r\n");
if (*templ == ':') {
if (SPA_POD_TYPE(it[depth].data) != SPA_POD_TYPE_MAP)
return -1;
it[depth].offset = sizeof(struct spa_pod_map);
/* move to key */
while (spa_pod_iter_has_next(&it[depth])) {
current = spa_pod_iter_next(&it[depth]);
if (SPA_POD_TYPE(current) == SPA_POD_TYPE_KEY &&
strncmp(SPA_POD_CONTENTS_CONST(struct spa_pod_key, current),
start, len) == 0)
break;
current = NULL;
}
}
else {
if (current == NULL || SPA_POD_TYPE(current) != SPA_POD_TYPE_STRING ||
strncmp(SPA_POD_CONTENTS_CONST(struct spa_pod_string, current),
start, len) != 0)
goto done;
}
break;
case '@':
case '%':
last = *templ;
if (*++templ == '\0')
return -1;
store = *templ != '*';
if (!store)
if (*++templ == '\0')
return -1;
maybe = *templ == '?';
if (maybe)
if (*++templ == '\0')
return -1;
if (*templ == 'V' || *templ == 'v') {
char t = *templ;
templ++;
type = spa_pod_id_to_type(*templ);
if (current == NULL)
goto no_current;
if (spa_pod_parse_prop(current, type, &prop) < 0)
return -1;
if (t == 'v') {
if (prop.flags & SPA_POD_PROP2_FLAG_UNSET) {
if (store)
va_arg(args, void *);
goto skip;
}
else
current = prop.value;
}
else {
collected++;
*va_arg(args, struct spa_pod_prop2 *) = prop;
goto skip;
}
}
no_current:
type = spa_pod_id_to_type(*templ);
if (current == NULL || (type != SPA_POD_TYPE_POD && type != SPA_POD_TYPE(current))) {
if (!maybe)
return -1;
if (store)
va_arg(args, void *);
goto skip;
}
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;
}