diff options
Diffstat (limited to 'third_party/pipewire/spa/utils')
| -rw-r--r-- | third_party/pipewire/spa/utils/ansi.h | 114 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/defs.h | 351 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/dict.h | 120 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/dll.h | 71 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/hook.h | 471 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/json-pod.h | 177 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/json.h | 483 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/keys.h | 144 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/list.h | 161 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/names.h | 158 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/result.h | 72 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/ringbuffer.h | 188 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/string.h | 387 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/type-info.h | 140 | ||||
| -rw-r--r-- | third_party/pipewire/spa/utils/type.h | 153 |
15 files changed, 3190 insertions, 0 deletions
diff --git a/third_party/pipewire/spa/utils/ansi.h b/third_party/pipewire/spa/utils/ansi.h new file mode 100644 index 0000000000..83726f8e06 --- /dev/null +++ b/third_party/pipewire/spa/utils/ansi.h @@ -0,0 +1,114 @@ +/* Simple Plugin API + * + * Copyright © 2021 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_ANSI_H +#define SPA_UTILS_ANSI_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup spa_ansi ANSI codes + * ANSI color code macros + */ + +/** + * \addtogroup spa_ansi + * \{ + */ + +/** + * Ansi escape sequences. Note that the color names are approximate only and + * the actual rendering of the color depends on the terminal. + */ + +#define SPA_ANSI_RESET "\x1B[0m" +#define SPA_ANSI_BOLD "\x1B[1m" +#define SPA_ANSI_ITALIC "\x1B[3m" +#define SPA_ANSI_UNDERLINE "\x1B[4m" + +#define SPA_ANSI_BLACK "\x1B[0;30m" +#define SPA_ANSI_RED "\x1B[0;31m" +#define SPA_ANSI_GREEN "\x1B[0;32m" +#define SPA_ANSI_YELLOW "\x1B[0;33m" +#define SPA_ANSI_BLUE "\x1B[0;34m" +#define SPA_ANSI_MAGENTA "\x1B[0;35m" +#define SPA_ANSI_CYAN "\x1B[0;36m" +#define SPA_ANSI_WHITE "\x1B[0;37m" +#define SPA_ANSI_BRIGHT_BLACK "\x1B[90m" +#define SPA_ANSI_BRIGHT_RED "\x1B[91m" +#define SPA_ANSI_BRIGHT_GREEN "\x1B[92m" +#define SPA_ANSI_BRIGHT_YELLOW "\x1B[93m" +#define SPA_ANSI_BRIGHT_BLUE "\x1B[94m" +#define SPA_ANSI_BRIGHT_MAGENTA "\x1B[95m" +#define SPA_ANSI_BRIGHT_CYAN "\x1B[96m" +#define SPA_ANSI_BRIGHT_WHITE "\x1B[97m" + +/* Shortcut because it's a common use-case and easier than combining both */ +#define SPA_ANSI_BOLD_BLACK "\x1B[1;30m" +#define SPA_ANSI_BOLD_RED "\x1B[1;31m" +#define SPA_ANSI_BOLD_GREEN "\x1B[1;32m" +#define SPA_ANSI_BOLD_YELLOW "\x1B[1;33m" +#define SPA_ANSI_BOLD_BLUE "\x1B[1;34m" +#define SPA_ANSI_BOLD_MAGENTA "\x1B[1;35m" +#define SPA_ANSI_BOLD_CYAN "\x1B[1;36m" +#define SPA_ANSI_BOLD_WHITE "\x1B[1;37m" + +#define SPA_ANSI_DARK_BLACK "\x1B[2;30m" +#define SPA_ANSI_DARK_RED "\x1B[2;31m" +#define SPA_ANSI_DARK_GREEN "\x1B[2;32m" +#define SPA_ANSI_DARK_YELLOW "\x1B[2;33m" +#define SPA_ANSI_DARK_BLUE "\x1B[2;34m" +#define SPA_ANSI_DARK_MAGENTA "\x1B[2;35m" +#define SPA_ANSI_DARK_CYAN "\x1B[2;36m" +#define SPA_ANSI_DARK_WHITE "\x1B[2;37m" + +/* Background colors */ +#define SPA_ANSI_BG_BLACK "\x1B[0;40m" +#define SPA_ANSI_BG_RED "\x1B[0;41m" +#define SPA_ANSI_BG_GREEN "\x1B[0;42m" +#define SPA_ANSI_BG_YELLOW "\x1B[0;43m" +#define SPA_ANSI_BG_BLUE "\x1B[0;44m" +#define SPA_ANSI_BG_MAGENTA "\x1B[0;45m" +#define SPA_ANSI_BG_CYAN "\x1B[0;46m" +#define SPA_ANSI_BG_WHITE "\x1B[0;47m" +#define SPA_ANSI_BG_BRIGHT_BLACK "\x1B[100m" +#define SPA_ANSI_BG_BRIGHT_RED "\x1B[101m" +#define SPA_ANSI_BG_BRIGHT_GREEN "\x1B[102m" +#define SPA_ANSI_BG_BRIGHT_YELLOW "\x1B[103m" +#define SPA_ANSI_BG_BRIGHT_BLUE "\x1B[104m" +#define SPA_ANSI_BG_BRIGHT_MAGENTA "\x1B[105m" +#define SPA_ANSI_BG_BRIGHT_CYAN "\x1B[106m" +#define SPA_ANSI_BG_BRIGHT_WHITE "\x1B[107m" + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_ANSI_H */ diff --git a/third_party/pipewire/spa/utils/defs.h b/third_party/pipewire/spa/utils/defs.h new file mode 100644 index 0000000000..874fab410f --- /dev/null +++ b/third_party/pipewire/spa/utils/defs.h @@ -0,0 +1,351 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_DEFS_H +#define SPA_UTILS_DEFS_H + +#ifdef __cplusplus +extern "C" { +#else +#include <stdbool.h> +#endif +#include <inttypes.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <stddef.h> +#include <stdio.h> + +/** + * \defgroup spa_utils_defs Miscellaneous + * Helper macros and functions + */ + +/** + * \addtogroup spa_utils_defs + * \{ + */ + +/** + * SPA_FALLTHROUGH is an annotation to suppress compiler warnings about switch + * cases that fall through without a break or return statement. SPA_FALLTHROUGH + * is only needed on cases that have code: + * + * switch (foo) { + * case 1: // These cases have no code. No fallthrough annotations are needed. + * case 2: + * case 3: + * foo = 4; // This case has code, so a fallthrough annotation is needed: + * SPA_FALLTHROUGH; + * default: + * return foo; + * } + */ +#if defined(__clang__) && defined(__cplusplus) && __cplusplus >= 201103L + /* clang's fallthrough annotations are only available starting in C++11. */ +# define SPA_FALLTHROUGH [[clang::fallthrough]]; +#elif __GNUC__ >= 7 || __clang_major__ >= 10 +# define SPA_FALLTHROUGH __attribute__ ((fallthrough)); +#else +# define SPA_FALLTHROUGH /* FALLTHROUGH */ +#endif + +#define SPA_FLAG_MASK(field,mask,flag) (((field) & (mask)) == (flag)) +#define SPA_FLAG_IS_SET(field,flag) SPA_FLAG_MASK(field,flag,flag) +#define SPA_FLAG_SET(field,flag) ((field) |= (flag)) +#define SPA_FLAG_CLEAR(field,flag) ((field) &= ~(flag)) +#define SPA_FLAG_UPDATE(field,flag,val) ((val) ? SPA_FLAG_SET(field,flag) : SPA_FLAG_CLEAR(field,flag)) + +enum spa_direction { + SPA_DIRECTION_INPUT = 0, + SPA_DIRECTION_OUTPUT = 1, +}; + +#define SPA_DIRECTION_REVERSE(d) ((d) ^ 1) + +#define SPA_RECTANGLE(width,height) (struct spa_rectangle){ width, height } +struct spa_rectangle { + uint32_t width; + uint32_t height; +}; + +#define SPA_POINT(x,y) (struct spa_point){ x, y } +struct spa_point { + int32_t x; + int32_t y; +}; + +#define SPA_REGION(x,y,width,height) (struct spa_region){ SPA_POINT(x,y), SPA_RECTANGLE(width,height) } +struct spa_region { + struct spa_point position; + struct spa_rectangle size; +}; + +#define SPA_FRACTION(num,denom) (struct spa_fraction){ num, denom } +struct spa_fraction { + uint32_t num; + uint32_t denom; +}; + +#define SPA_N_ELEMENTS(arr) (sizeof(arr) / sizeof((arr)[0])) +/** + * Array iterator macro. Usage: + * ```c + * struct foo array[16]; + * struct foo *f; + * SPA_FOR_EACH_ELEMENT(array, f) { + * f->bar = baz; + * } + * ``` + */ +#define SPA_FOR_EACH_ELEMENT(arr, ptr) \ + for (ptr = arr; (void*)ptr < SPA_PTROFF(arr, sizeof(arr), void); ptr++) + +#define SPA_ABS(a) \ +({ \ + __typeof__(a) _a = (a); \ + SPA_LIKELY(_a >= 0) ? _a : -_a; \ +}) +#define SPA_MIN(a,b) \ +({ \ + __typeof__(a) _min_a = (a); \ + __typeof__(b) _min_b = (b); \ + SPA_LIKELY(_min_a < _min_b) ? _min_a : _min_b; \ +}) +#define SPA_MAX(a,b) \ +({ \ + __typeof__(a) _max_a = (a); \ + __typeof__(b) _max_b = (b); \ + SPA_LIKELY(_max_a > _max_b) ? _max_a : _max_b; \ +}) +#define SPA_CLAMP(v,low,high) \ +({ \ + __typeof__(v) _v = (v); \ + __typeof__(low) _low = (low); \ + __typeof__(high) _high = (high); \ + SPA_MIN(SPA_MAX(_v, _low), _high); \ +}) + +#define SPA_SWAP(a,b) \ +({ \ + __typeof__(a) _t = (a); \ + a = b; b = _t; \ +}) + +#define SPA_TYPECHECK(type,x) \ +({ type _dummy; \ + typeof(x) _dummy2; \ + (void)(&_dummy == &_dummy2); \ + x; \ +}) + +/** + * Return the address (buffer + offset) as pointer of \a type + */ +#define SPA_PTROFF(ptr_,offset_,type_) ((type_*)((uintptr_t)(ptr_) + (ptrdiff_t)(offset_))) +#define SPA_PTROFF_ALIGN(ptr_,offset_,alignment_,type_) \ + SPA_PTR_ALIGN(SPA_PTROFF(ptr_,offset_,type_),alignment_,type_) + + +/** + * Deprecated, use SPA_PTROFF and SPA_PTROFF_ALIGN instead + */ +#define SPA_MEMBER(b,o,t) SPA_PTROFF(b,o,t) +#define SPA_MEMBER_ALIGN(b,o,a,t) SPA_PTROFF_ALIGN(b,o,a,t) + +#define SPA_CONTAINER_OF(p,t,m) ((t*)((uintptr_t)p - offsetof(t,m))) + +#define SPA_PTRDIFF(p1,p2) ((intptr_t)(p1) - (intptr_t)(p2)) + +#define SPA_PTR_TO_INT(p) ((int) ((intptr_t) (p))) +#define SPA_INT_TO_PTR(u) ((void*) ((intptr_t) (u))) + +#define SPA_PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p))) +#define SPA_UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u))) + +#define SPA_TIME_INVALID ((int64_t)INT64_MIN) +#define SPA_IDX_INVALID ((unsigned int)-1) +#define SPA_ID_INVALID ((uint32_t)0xffffffff) + +#define SPA_NSEC_PER_SEC (1000000000ll) +#define SPA_NSEC_PER_MSEC (1000000ll) +#define SPA_NSEC_PER_USEC (1000ll) +#define SPA_USEC_PER_SEC (1000000ll) +#define SPA_USEC_PER_MSEC (1000ll) +#define SPA_MSEC_PER_SEC (1000ll) + +#define SPA_TIMESPEC_TO_NSEC(ts) ((ts)->tv_sec * SPA_NSEC_PER_SEC + (ts)->tv_nsec) +#define SPA_TIMESPEC_TO_USEC(ts) ((ts)->tv_sec * SPA_USEC_PER_SEC + (ts)->tv_nsec / SPA_NSEC_PER_USEC) +#define SPA_TIMEVAL_TO_NSEC(tv) ((tv)->tv_sec * SPA_NSEC_PER_SEC + (tv)->tv_usec * SPA_NSEC_PER_USEC) +#define SPA_TIMEVAL_TO_USEC(tv) ((tv)->tv_sec * SPA_USEC_PER_SEC + (tv)->tv_usec) + +#ifdef __GNUC__ +#define SPA_PRINTF_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1))) +#define SPA_FORMAT_ARG_FUNC(arg1) __attribute__((format_arg(arg1))) +#define SPA_ALIGNED(align) __attribute__((aligned(align))) +#define SPA_DEPRECATED __attribute__ ((deprecated)) +#define SPA_EXPORT __attribute__((visibility("default"))) +#define SPA_SENTINEL __attribute__((__sentinel__)) +#define SPA_UNUSED __attribute__ ((unused)) +#define SPA_NORETURN __attribute__ ((noreturn)) +#else +#define SPA_PRINTF_FUNC(fmt, arg1) +#define SPA_FORMAT_ARG_FUNC(arg1) +#define SPA_ALIGNED(align) +#define SPA_DEPRECATED +#define SPA_EXPORT +#define SPA_SENTINEL +#define SPA_UNUSED +#define SPA_NORETURN +#endif + +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +#define SPA_RESTRICT restrict +#elif defined(__GNUC__) && __GNUC__ >= 4 +#define SPA_RESTRICT __restrict__ +#else +#define SPA_RESTRICT +#endif + +#define SPA_ROUND_DOWN(num,value) ((num) - ((num) % (value))) +#define SPA_ROUND_UP(num,value) ((((num) + (value) - 1) / (value)) * (value)) + +#define SPA_ROUND_DOWN_N(num,align) ((num) & ~((align) - 1)) +#define SPA_ROUND_UP_N(num,align) SPA_ROUND_DOWN_N((num) + ((align) - 1),align) + +#define SPA_PTR_ALIGNMENT(p,align) ((intptr_t)(p) & ((align)-1)) +#define SPA_IS_ALIGNED(p,align) (SPA_PTR_ALIGNMENT(p,align) == 0) +#define SPA_PTR_ALIGN(p,align,type) ((type*)SPA_ROUND_UP_N((intptr_t)(p), (intptr_t)(align))) + +#ifndef SPA_LIKELY +#ifdef __GNUC__ +#define SPA_LIKELY(x) (__builtin_expect(!!(x),1)) +#define SPA_UNLIKELY(x) (__builtin_expect(!!(x),0)) +#else +#define SPA_LIKELY(x) (x) +#define SPA_UNLIKELY(x) (x) +#endif +#endif + +#define SPA_STRINGIFY_1(...) #__VA_ARGS__ +#define SPA_STRINGIFY(...) SPA_STRINGIFY_1(__VA_ARGS__) + +#define spa_return_if_fail(expr) \ + do { \ + if (SPA_UNLIKELY(!(expr))) { \ + fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ + #expr , __FILE__, __LINE__, __func__); \ + return; \ + } \ + } while(false) + +#define spa_return_val_if_fail(expr, val) \ + do { \ + if (SPA_UNLIKELY(!(expr))) { \ + fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ + #expr , __FILE__, __LINE__, __func__); \ + return (val); \ + } \ + } while(false) + +/* spa_assert_se() is an assert which guarantees side effects of x, + * i.e. is never optimized away, regardless of NDEBUG or FASTPATH. */ +#ifndef __COVERITY__ +#define spa_assert_se(expr) \ + do { \ + if (SPA_UNLIKELY(!(expr))) { \ + fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ + #expr , __FILE__, __LINE__, __func__); \ + abort(); \ + } \ + } while (false) +#else +#define spa_assert_se(expr) \ + do { \ + int _unique_var = (expr); \ + if (!_unique_var) \ + abort(); \ + } while (false) +#endif + +/* Does exactly nothing */ +#define spa_nop() do {} while (false) + +#ifdef NDEBUG +#define spa_assert(expr) spa_nop() +#elif defined (FASTPATH) +#define spa_assert(expr) spa_assert_se(expr) +#else +#define spa_assert(expr) spa_assert_se(expr) +#endif + +#ifdef NDEBUG +#define spa_assert_not_reached() abort() +#else +#define spa_assert_not_reached() \ + do { \ + fprintf(stderr, "Code should not be reached at %s:%u %s()\n", \ + __FILE__, __LINE__, __func__); \ + abort(); \ + } while (false) +#endif + +#define spa_memzero(x,l) (memset((x), 0, (l))) +#define spa_zero(x) (spa_memzero(&(x), sizeof(x))) + +#ifdef SPA_DEBUG_MEMCPY +#define spa_memcpy(d,s,n) \ +({ \ + fprintf(stderr, "%s:%u %s() memcpy(%p, %p, %zd)\n", \ + __FILE__, __LINE__, __func__, (d), (s), (size_t)(n)); \ + memcpy(d,s,n); \ +}) +#define spa_memmove(d,s,n) \ +({ \ + fprintf(stderr, "%s:%u %s() memmove(%p, %p, %zd)\n", \ + __FILE__, __LINE__, __func__, (d), (s), (size_t)(n)); \ + memmove(d,s,n); \ +}) +#else +#define spa_memcpy(d,s,n) memcpy(d,s,n) +#define spa_memmove(d,s,n) memmove(d,s,n) +#endif + +#define spa_aprintf(_fmt, ...) \ +({ \ + char *_strp; \ + if (asprintf(&(_strp), (_fmt), ## __VA_ARGS__ ) == -1) \ + _strp = NULL; \ + _strp; \ +}) + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_DEFS_H */ diff --git a/third_party/pipewire/spa/utils/dict.h b/third_party/pipewire/spa/utils/dict.h new file mode 100644 index 0000000000..558c6fd016 --- /dev/null +++ b/third_party/pipewire/spa/utils/dict.h @@ -0,0 +1,120 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_DICT_H +#define SPA_DICT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <string.h> + +#include <spa/utils/defs.h> + +/** + * \defgroup spa_dict Dictionary + * Dictionary data structure + */ + +/** + * \addtogroup spa_dict + * \{ + */ + +struct spa_dict_item { + const char *key; + const char *value; +}; + +#define SPA_DICT_ITEM_INIT(key,value) (struct spa_dict_item) { key, value } + +struct spa_dict { +#define SPA_DICT_FLAG_SORTED (1<<0) /**< items are sorted */ + uint32_t flags; + uint32_t n_items; + const struct spa_dict_item *items; +}; + +#define SPA_DICT_INIT(items,n_items) (struct spa_dict) { 0, n_items, items } +#define SPA_DICT_INIT_ARRAY(items) (struct spa_dict) { 0, SPA_N_ELEMENTS(items), items } + +#define spa_dict_for_each(item, dict) \ + for ((item) = (dict)->items; \ + (item) < &(dict)->items[(dict)->n_items]; \ + (item)++) + +static inline int spa_dict_item_compare(const void *i1, const void *i2) +{ + const struct spa_dict_item *it1 = (const struct spa_dict_item *)i1, + *it2 = (const struct spa_dict_item *)i2; + return strcmp(it1->key, it2->key); +} + +static inline void spa_dict_qsort(struct spa_dict *dict) +{ + if (dict->n_items > 0) + qsort((void*)dict->items, dict->n_items, sizeof(struct spa_dict_item), + spa_dict_item_compare); + SPA_FLAG_SET(dict->flags, SPA_DICT_FLAG_SORTED); +} + +static inline const struct spa_dict_item *spa_dict_lookup_item(const struct spa_dict *dict, + const char *key) +{ + const struct spa_dict_item *item; + + if (SPA_FLAG_IS_SET(dict->flags, SPA_DICT_FLAG_SORTED) && + dict->n_items > 0) { + struct spa_dict_item k = SPA_DICT_ITEM_INIT(key, NULL); + item = (const struct spa_dict_item *)bsearch(&k, + (const void *) dict->items, dict->n_items, + sizeof(struct spa_dict_item), + spa_dict_item_compare); + if (item != NULL) + return item; + } else { + spa_dict_for_each(item, dict) { + if (!strcmp(item->key, key)) + return item; + } + } + return NULL; +} + +static inline const char *spa_dict_lookup(const struct spa_dict *dict, const char *key) +{ + const struct spa_dict_item *item = spa_dict_lookup_item(dict, key); + return item ? item->value : NULL; +} + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_DICT_H */ diff --git a/third_party/pipewire/spa/utils/dll.h b/third_party/pipewire/spa/utils/dll.h new file mode 100644 index 0000000000..65d8cd61de --- /dev/null +++ b/third_party/pipewire/spa/utils/dll.h @@ -0,0 +1,71 @@ +/* Simple DLL + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_DLL_H +#define SPA_DLL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stddef.h> +#include <math.h> + +#define SPA_DLL_BW_MAX 0.128 +#define SPA_DLL_BW_MIN 0.016 + +struct spa_dll { + double bw; + double z1, z2, z3; + double w0, w1, w2; +}; + +static inline void spa_dll_init(struct spa_dll *dll) +{ + dll->bw = 0.0; + dll->z1 = dll->z2 = dll->z3 = 0.0; +} + +static inline void spa_dll_set_bw(struct spa_dll *dll, double bw, unsigned period, unsigned rate) +{ + double w = 2 * M_PI * bw * period / rate; + dll->w0 = 1.0 - exp (-20.0 * w); + dll->w1 = w * 1.5 / period; + dll->w2 = w / 1.5; + dll->bw = bw; +} + +static inline double spa_dll_update(struct spa_dll *dll, double err) +{ + dll->z1 += dll->w0 * (dll->w1 * err - dll->z1); + dll->z2 += dll->w0 * (dll->z1 - dll->z2); + dll->z3 += dll->w2 * dll->z2; + return 1.0 - (dll->z2 + dll->z3); +} + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_DLL_H */ diff --git a/third_party/pipewire/spa/utils/hook.h b/third_party/pipewire/spa/utils/hook.h new file mode 100644 index 0000000000..9b1a50b63b --- /dev/null +++ b/third_party/pipewire/spa/utils/hook.h @@ -0,0 +1,471 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_HOOK_H +#define SPA_HOOK_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/utils/defs.h> +#include <spa/utils/list.h> + +/** \defgroup spa_interfaces Interfaces + * + * \brief Generic implementation of implementation-independent interfaces + * + * A SPA Interface is a generic struct that, together with a few macros, + * provides a generic way of invoking methods on objects without knowing the + * details of the implementation. + * + * The primary interaction with interfaces is through macros that expand into + * the right method call. For the implementation of an interface, we need two + * structs and a macro to invoke the `bar` method: + * + * \code{.c} + * // this struct must be public and defines the interface to a + * // struct foo + * struct foo_methods { + * uint32_t version; + * void (*bar)(void *object, const char *msg); + * }; + * + * // this struct does not need to be public + * struct foo { + * struct spa_interface iface; // must be first element, see foo_bar() + * int some_other_field; + * ... + * }; + * + * // if struct foo is private, we need to cast to a + * // generic spa_interface object + * #define foo_bar(obj, ...) ({ \ + * struct foo *f = obj; + * spa_interface_call((struct spa_interface *)f, // pointer to spa_interface in foo + * struct foo_methods, // type of callbacks + * bar, // name of methods + * 0, // hardcoded version to match foo_methods->version + * __VA_ARGS__ // pass rest of args through + * );/ + * }) + * \endcode + * + * The `struct foo_methods` and the invocation macro `foo_bar()` must be + * available to the caller. The implementation of `struct foo` can be private. + * + * \code{.c} + * void main(void) { + * struct foo *myfoo = get_foo_from_somewhere(); + * foo_bar(myfoo, "Invoking bar() on myfoo"); + * } + * \endcode + * The expansion of `foo_bar()` resolves roughly into this code: + * \code{.c} + * void main(void) { + * struct foo *myfoo = get_foo_from_somewhere(); + * // foo_bar(myfoo, "Invoking bar() on myfoo"); + * const struct foo_methods *methods = ((struct spa_interface*)myfoo)->cb; + * if (0 >= methods->version && // version check + * methods->bar) // compile error if this function does not exist, + * methods->bar(myfoo, "Invoking bar() on myfoo"); + * } + * \endcode + * + * The typecast used in `foo_bar()` allows `struct foo` to be opaque to the + * caller. The implementation may assign the callback methods at object + * instantiation, and the caller will transparently invoke the method on the + * given object. For example, the following code assigns a different `bar()` method on + * Mondays - the caller does not need to know this. + * \code{.c} + * + * static void bar_stdout(struct foo *f, const char *msg) { + * printf(msg); + * } + * static void bar_stderr(struct foo *f, const char *msg) { + * fprintf(stderr, msg); + * } + * + * struct foo* get_foo_from_somewhere() { + * struct foo *f = calloc(sizeof struct foo); + * // illustrative only, use SPA_INTERFACE_INIT() + * f->iface->cb = (struct foo_methods*) { .bar = bar_stdout }; + * if (today_is_monday) + * f->iface->cb = (struct foo_methods*) { .bar = bar_stderr }; + * return f; + * } + * \endcode + */ + +/** + * \addtogroup spa_interfaces + * \{ + */ + +/** \struct spa_callbacks + * Callbacks, contains the structure with functions and the data passed + * to the functions. The structure should also contain a version field that + * is checked. */ +struct spa_callbacks { + const void *funcs; + void *data; +}; + +/** Check if a callback \a c is of at least version \a v */ +#define SPA_CALLBACK_VERSION_MIN(c,v) ((c) && ((v) == 0 || (c)->version > (v)-1)) + +/** Check if a callback \a c has method \a m of version \a v */ +#define SPA_CALLBACK_CHECK(c,m,v) (SPA_CALLBACK_VERSION_MIN(c,v) && (c)->m) + +/** + * Initialize the set of functions \a funcs as a \ref spa_callbacks, together + * with \a _data. + */ +#define SPA_CALLBACKS_INIT(_funcs,_data) (struct spa_callbacks){ _funcs, _data, } + +/** \struct spa_interface + */ +struct spa_interface { + const char *type; + uint32_t version; + struct spa_callbacks cb; +}; + +/** + * Initialize a \ref spa_interface. + * + * \code{.c} + * const static struct foo_methods foo_funcs = { + * .bar = some_bar_implementation, + * }; + * + * struct foo *f = malloc(...); + * f->iface = SPA_INTERFACE_INIT("foo type", 0, foo_funcs, NULL); + * \endcode + * + */ +#define SPA_INTERFACE_INIT(_type,_version,_funcs,_data) \ + (struct spa_interface){ _type, _version, SPA_CALLBACKS_INIT(_funcs,_data), } + +/** + * Invoke method named \a method in the \a callbacks. + * The \a method_type defines the type of the method struct. + * Returns true if the method could be called, false otherwise. + */ +#define spa_callbacks_call(callbacks,type,method,vers,...) \ +({ \ + const type *_f = (const type *) (callbacks)->funcs; \ + bool _res = SPA_CALLBACK_CHECK(_f,method,vers); \ + if (SPA_LIKELY(_res)) \ + _f->method((callbacks)->data, ## __VA_ARGS__); \ + _res; \ +}) + +/** + * True if the \a callbacks are of version \a vers, false otherwise + */ +#define spa_callback_version_min(callbacks,type,vers) \ +({ \ + const type *_f = (const type *) (callbacks)->funcs; \ + SPA_CALLBACK_VERSION_MIN(_f,vers); \ +}) + +/** + * True if the \a callbacks contains \a method of version + * \a vers, false otherwise + */ +#define spa_callback_check(callbacks,type,method,vers) \ +({ \ + const type *_f = (const type *) (callbacks)->funcs; \ + SPA_CALLBACK_CHECK(_f,method,vers); \ +}) + +/** + * Invoke method named \a method in the \a callbacks. + * The \a method_type defines the type of the method struct. + * + * The return value is stored in \a res. + */ +#define spa_callbacks_call_res(callbacks,type,res,method,vers,...) \ +({ \ + const type *_f = (const type *) (callbacks)->funcs; \ + if (SPA_LIKELY(SPA_CALLBACK_CHECK(_f,method,vers))) \ + res = _f->method((callbacks)->data, ## __VA_ARGS__); \ + res; \ +}) + +/** + * True if the \a iface's callbacks are of version \a vers, false otherwise + */ +#define spa_interface_callback_version_min(iface,method_type,vers) \ + spa_callback_version_min(&(iface)->cb, method_type, vers) + +/** + * True if the \a iface's callback \a method is of version \a vers + * and exists, false otherwise + */ +#define spa_interface_callback_check(iface,method_type,method,vers) \ + spa_callback_check(&(iface)->cb, method_type, method, vers) + +/** + * Invoke method named \a method in the callbacks on the given interface object. + * The \a method_type defines the type of the method struct, not the interface + * itself. + */ +#define spa_interface_call(iface,method_type,method,vers,...) \ + spa_callbacks_call(&(iface)->cb,method_type,method,vers,##__VA_ARGS__) + +/** + * Invoke method named \a method in the callbacks on the given interface object. + * The \a method_type defines the type of the method struct, not the interface + * itself. + * + * The return value is stored in \a res. + */ +#define spa_interface_call_res(iface,method_type,res,method,vers,...) \ + spa_callbacks_call_res(&(iface)->cb,method_type,res,method,vers,##__VA_ARGS__) + +/** + * \} + */ + +/** \defgroup spa_hooks Hooks + * + * A SPA Hook is a data structure to keep track of callbacks. It is similar to + * the \ref spa_interfaces and typically used where an implementation allows + * for multiple external callback functions. For example, an implementation may + * use a hook list to implement signals with each caller using a hook to + * register callbacks to be invoked on those signals. + * + * The below (pseudo)code is a minimal example outlining the use of hooks: + * \code{.c} + * // the public interface + * #define VERSION_BAR_EVENTS 0 // version of the vtable + * struct bar_events { + * uint32_t version; // NOTE: an integral member named `version` + * // must be present in the vtable + * void (*boom)(void *data, const char *msg); + * }; + * + * // private implementation + * struct party { + * struct spa_hook_list bar_list; + * }; + * + * void party_add_event_listener(struct party *p, struct spa_hook *listener, + * const struct bar_events *events, void *data) + * { + * spa_hook_list_append(&p->bar_list, listener, events, data); + * } + * + * static void party_on(struct party *p) + * { + * // NOTE: this is a macro, it evaluates to an integer, + * // which is the number of hooks called + * spa_hook_list_call(&p->list, + * struct bar_events, // vtable type + * boom, // function name + * 0, // hardcoded version, + * // usually the version in which `boom` + * // has been added to the vtable + * "party on, wayne" // function argument(s) + * ); + * } + * \endcode + * + * In the caller, the hooks can be used like this: + * \code{.c} + * static void boom_cb(void *data, const char *msg) { + * // data is userdata from main() + * printf("%s", msg); + * } + * + * static const struct bar_events events = { + * .version = VERSION_BAR_EVENTS, // version of the implemented interface + * .boom = boom_cb, + * }; + * + * void main(void) { + * void *userdata = whatever; + * struct spa_hook hook; + * struct party *p = start_the_party(); + * + * party_add_event_listener(p, &hook, &events, userdata); + * + * mainloop(); + * return 0; + * } + * + * \endcode + */ + +/** + * \addtogroup spa_hooks + * \{ + */ + +/** \struct spa_hook_list + * A list of hooks. This struct is primarily used by + * implementation that use multiple caller-provided \ref spa_hook. */ +struct spa_hook_list { + struct spa_list list; +}; + + +/** \struct spa_hook + * A hook, contains the structure with functions and the data passed + * to the functions. + * + * A hook should be treated as opaque by the caller. + */ +struct spa_hook { + struct spa_list link; + struct spa_callbacks cb; + /** callback and data for the hook list, private to the + * hook_list implementor */ + void (*removed) (struct spa_hook *hook); + void *priv; +}; + +/** Initialize a hook list to the empty list*/ +static inline void spa_hook_list_init(struct spa_hook_list *list) +{ + spa_list_init(&list->list); +} + +static inline bool spa_hook_list_is_empty(struct spa_hook_list *list) +{ + return spa_list_is_empty(&list->list); +} + +/** Append a hook. */ +static inline void spa_hook_list_append(struct spa_hook_list *list, + struct spa_hook *hook, + const void *funcs, void *data) +{ + spa_zero(*hook); + hook->cb = SPA_CALLBACKS_INIT(funcs, data); + spa_list_append(&list->list, &hook->link); +} + +/** Prepend a hook */ +static inline void spa_hook_list_prepend(struct spa_hook_list *list, + struct spa_hook *hook, + const void *funcs, void *data) +{ + spa_zero(*hook); + hook->cb = SPA_CALLBACKS_INIT(funcs, data); + spa_list_prepend(&list->list, &hook->link); +} + +/** Remove a hook */ +static inline void spa_hook_remove(struct spa_hook *hook) +{ + spa_list_remove(&hook->link); + if (hook->removed) + hook->removed(hook); +} + +/** Remove all hooks from the list */ +static inline void spa_hook_list_clean(struct spa_hook_list *list) +{ + struct spa_hook *h; + spa_list_consume(h, &list->list, link) + spa_hook_remove(h); +} + +static inline void +spa_hook_list_isolate(struct spa_hook_list *list, + struct spa_hook_list *save, + struct spa_hook *hook, + const void *funcs, void *data) +{ + /* init save list and move hooks to it */ + spa_hook_list_init(save); + spa_list_insert_list(&save->list, &list->list); + /* init hooks and add single hook */ + spa_hook_list_init(list); + spa_hook_list_append(list, hook, funcs, data); +} + +static inline void +spa_hook_list_join(struct spa_hook_list *list, + struct spa_hook_list *save) +{ + spa_list_insert_list(&list->list, &save->list); +} + +#define spa_hook_list_call_simple(l,type,method,vers,...) \ +({ \ + struct spa_hook_list *_l = l; \ + struct spa_hook *_h, *_t; \ + spa_list_for_each_safe(_h, _t, &_l->list, link) \ + spa_callbacks_call(&_h->cb,type,method,vers, ## __VA_ARGS__); \ +}) + +/** Call all hooks in a list, starting from the given one and optionally stopping + * after calling the first non-NULL function, returns the number of methods + * called */ +#define spa_hook_list_do_call(l,start,type,method,vers,once,...) \ +({ \ + struct spa_hook_list *_list = l; \ + struct spa_list *_s = start ? (struct spa_list *)start : &_list->list; \ + struct spa_hook _cursor = { 0 }, *_ci; \ + int _count = 0; \ + spa_list_cursor_start(_cursor, _s, link); \ + spa_list_for_each_cursor(_ci, _cursor, &_list->list, link) { \ + if (spa_callbacks_call(&_ci->cb,type,method,vers, ## __VA_ARGS__)) { \ + _count++; \ + if (once) \ + break; \ + } \ + } \ + spa_list_cursor_end(_cursor, link); \ + _count; \ +}) + +/** + * Call the method named \a m for each element in list \a l. + * \a t specifies the type of the callback struct. + */ +#define spa_hook_list_call(l,t,m,v,...) spa_hook_list_do_call(l,NULL,t,m,v,false,##__VA_ARGS__) +/** + * Call the method named \a m for each element in list \a l, stopping after + * the first invocation. + * \a t specifies the type of the callback struct. + */ +#define spa_hook_list_call_once(l,t,m,v,...) spa_hook_list_do_call(l,NULL,t,m,v,true,##__VA_ARGS__) + +#define spa_hook_list_call_start(l,s,t,m,v,...) spa_hook_list_do_call(l,s,t,m,v,false,##__VA_ARGS__) +#define spa_hook_list_call_once_start(l,s,t,m,v,...) spa_hook_list_do_call(l,s,t,m,v,true,##__VA_ARGS__) + +/** + * \} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* SPA_HOOK_H */ diff --git a/third_party/pipewire/spa/utils/json-pod.h b/third_party/pipewire/spa/utils/json-pod.h new file mode 100644 index 0000000000..34c7e08f6d --- /dev/null +++ b/third_party/pipewire/spa/utils/json-pod.h @@ -0,0 +1,177 @@ +/* Simple Plugin API + * + * Copyright © 2022 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_JSON_POD_H +#define SPA_UTILS_JSON_POD_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/utils/string.h> +#include <spa/utils/json.h> +#include <spa/pod/pod.h> +#include <spa/pod/builder.h> +#include <spa/debug/types.h> + +/** \defgroup spa_json_pod JSON to POD + * JSON to POD conversion + */ + +/** + * \addtogroup spa_json_pod + * \{ + */ + +static inline int spa_json_to_pod_part(struct spa_pod_builder *b, uint32_t flags, uint32_t id, + const struct spa_type_info *info, struct spa_json *iter, const char *value, int len) +{ + const struct spa_type_info *ti; + char key[256]; + struct spa_pod_frame f[1]; + struct spa_json it[1]; + int l, res; + const char *v; + uint32_t type; + + if (spa_json_is_object(value, len) && info != NULL) { + if ((ti = spa_debug_type_find(NULL, info->parent)) == NULL) + return -EINVAL; + + spa_pod_builder_push_object(b, &f[0], info->parent, id); + + spa_json_enter(iter, &it[0]); + while (spa_json_get_string(&it[0], key, sizeof(key)) > 0) { + const struct spa_type_info *pi; + if ((l = spa_json_next(&it[0], &v)) <= 0) + break; + if ((pi = spa_debug_type_find_short(ti->values, key)) != NULL) + type = pi->type; + else if (!spa_atou32(key, &type, 0)) + continue; + spa_pod_builder_prop(b, type, 0); + if ((res = spa_json_to_pod_part(b, flags, id, pi, &it[0], v, l)) < 0) + return res; + } + spa_pod_builder_pop(b, &f[0]); + } + else if (spa_json_is_array(value, len)) { + if (info == NULL || info->parent == SPA_TYPE_Struct) { + spa_pod_builder_push_struct(b, &f[0]); + } else { + spa_pod_builder_push_array(b, &f[0]); + info = info->values; + } + spa_json_enter(iter, &it[0]); + while ((l = spa_json_next(&it[0], &v)) > 0) + if ((res = spa_json_to_pod_part(b, flags, id, info, &it[0], v, l)) < 0) + return res; + spa_pod_builder_pop(b, &f[0]); + } + else if (spa_json_is_float(value, len)) { + float val = 0.0f; + spa_json_parse_float(value, len, &val); + switch (info ? info->parent : (uint32_t)SPA_TYPE_Struct) { + case SPA_TYPE_Bool: + spa_pod_builder_bool(b, val >= 0.5f); + break; + case SPA_TYPE_Id: + spa_pod_builder_id(b, val); + break; + case SPA_TYPE_Int: + spa_pod_builder_int(b, val); + break; + case SPA_TYPE_Long: + spa_pod_builder_long(b, val); + break; + case SPA_TYPE_Struct: + if (spa_json_is_int(value, len)) + spa_pod_builder_int(b, val); + else + spa_pod_builder_float(b, val); + break; + case SPA_TYPE_Float: + spa_pod_builder_float(b, val); + break; + case SPA_TYPE_Double: + spa_pod_builder_double(b, val); + break; + default: + spa_pod_builder_none(b); + break; + } + } + else if (spa_json_is_bool(value, len)) { + bool val = false; + spa_json_parse_bool(value, len, &val); + spa_pod_builder_bool(b, val); + } + else if (spa_json_is_null(value, len)) { + spa_pod_builder_none(b); + } + else { + char *val = (char*)alloca(len+1); + spa_json_parse_stringn(value, len, val, len+1); + switch (info ? info->parent : (uint32_t)SPA_TYPE_Struct) { + case SPA_TYPE_Id: + if ((ti = spa_debug_type_find_short(info->values, val)) != NULL) + type = ti->type; + else if (!spa_atou32(val, &type, 0)) + return -EINVAL; + spa_pod_builder_id(b, type); + break; + case SPA_TYPE_Struct: + case SPA_TYPE_String: + spa_pod_builder_string(b, val); + break; + default: + spa_pod_builder_none(b); + break; + } + } + return 0; +} + +static inline int spa_json_to_pod(struct spa_pod_builder *b, uint32_t flags, + const struct spa_type_info *info, const char *value, int len) +{ + struct spa_json iter; + const char *val; + + spa_json_init(&iter, value, len); + if ((len = spa_json_next(&iter, &val)) <= 0) + return -EINVAL; + + return spa_json_to_pod_part(b, flags, info->type, info, &iter, val, len); +} + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_JSON_POD_H */ diff --git a/third_party/pipewire/spa/utils/json.h b/third_party/pipewire/spa/utils/json.h new file mode 100644 index 0000000000..73cad7f596 --- /dev/null +++ b/third_party/pipewire/spa/utils/json.h @@ -0,0 +1,483 @@ +/* Simple Plugin API + * + * Copyright © 2020 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_JSON_H +#define SPA_UTILS_JSON_H + +#ifdef __cplusplus +extern "C" { +#else +#include <stdbool.h> +#endif +#include <stddef.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <math.h> +#include <float.h> + +#include <spa/utils/defs.h> +#include <spa/utils/string.h> + +/** \defgroup spa_json JSON + * Relaxed JSON variant parsing + */ + +/** + * \addtogroup spa_json + * \{ + */ + +/* a simple JSON compatible tokenizer */ +struct spa_json { + const char *cur; + const char *end; + struct spa_json *parent; + uint32_t state; + uint32_t depth; +}; + +#define SPA_JSON_INIT(data,size) (struct spa_json) { (data), (data)+(size), } + +static inline void spa_json_init(struct spa_json * iter, const char *data, size_t size) +{ + *iter = SPA_JSON_INIT(data, size); +} +#define SPA_JSON_ENTER(iter) (struct spa_json) { (iter)->cur, (iter)->end, (iter), } + +static inline void spa_json_enter(struct spa_json * iter, struct spa_json * sub) +{ + *sub = SPA_JSON_ENTER(iter); +} + +#define SPA_JSON_SAVE(iter) (struct spa_json) { (iter)->cur, (iter)->end, } + +/** Get the next token. \a value points to the token and the return value + * is the length. */ +static inline int spa_json_next(struct spa_json * iter, const char **value) +{ + int utf8_remain = 0; + enum { __NONE, __STRUCT, __BARE, __STRING, __UTF8, __ESC, __COMMENT }; + + *value = iter->cur; + for (; iter->cur < iter->end; iter->cur++) { + unsigned char cur = (unsigned char)*iter->cur; + again: + switch (iter->state) { + case __NONE: + iter->state = __STRUCT; + iter->depth = 0; + goto again; + case __STRUCT: + switch (cur) { + case '\0': case '\t': case ' ': case '\r': case '\n': case ':': case '=': case ',': + continue; + case '#': + iter->state = __COMMENT; + continue; + case '"': + *value = iter->cur; + iter->state = __STRING; + continue; + case '[': case '{': + *value = iter->cur; + if (++iter->depth > 1) + continue; + iter->cur++; + return 1; + case '}': case ']': + if (iter->depth == 0) { + if (iter->parent) + iter->parent->cur = iter->cur; + return 0; + } + --iter->depth; + continue; + default: + *value = iter->cur; + iter->state = __BARE; + } + continue; + case __BARE: + switch (cur) { + case '\t': case ' ': case '\r': case '\n': + case ':': case ',': case '=': case ']': case '}': + iter->state = __STRUCT; + if (iter->depth > 0) + goto again; + return iter->cur - *value; + } + continue; + case __STRING: + switch (cur) { + case '\\': + iter->state = __ESC; + continue; + case '"': + iter->state = __STRUCT; + if (iter->depth > 0) + continue; + return ++iter->cur - *value; + case 240 ... 247: + utf8_remain++; + SPA_FALLTHROUGH; + case 224 ... 239: + utf8_remain++; + SPA_FALLTHROUGH; + case 192 ... 223: + utf8_remain++; + iter->state = __UTF8; + continue; + default: + if (cur >= 32 && cur <= 126) + continue; + } + return -1; + case __UTF8: + switch (cur) { + case 128 ... 191: + if (--utf8_remain == 0) + iter->state = __STRING; + continue; + } + return -1; + case __ESC: + switch (cur) { + case '"': case '\\': case '/': case 'b': case 'f': + case 'n': case 'r': case 't': case 'u': + iter->state = __STRING; + continue; + } + return -1; + case __COMMENT: + switch (cur) { + case '\n': case '\r': + iter->state = __STRUCT; + } + } + + } + if (iter->depth != 0) + return -1; + if (iter->state != __STRUCT) { + iter->state = __STRUCT; + return iter->cur - *value; + } + return 0; +} + +static inline int spa_json_enter_container(struct spa_json *iter, struct spa_json *sub, char type) +{ + const char *value; + if (spa_json_next(iter, &value) <= 0 || *value != type) + return -1; + spa_json_enter(iter, sub); + return 1; +} + +static inline int spa_json_is_container(const char *val, int len) +{ + return len > 0 && (*val == '{' || *val == '['); +} + +static inline int spa_json_container_len(struct spa_json *iter, const char *value, int len) +{ + const char *val; + struct spa_json sub; + spa_json_enter(iter, &sub); + while (spa_json_next(&sub, &val) > 0); + return sub.cur + 1 - value; +} + +/* object */ +static inline int spa_json_is_object(const char *val, int len) +{ + return len > 0 && *val == '{'; +} +static inline int spa_json_enter_object(struct spa_json *iter, struct spa_json *sub) +{ + return spa_json_enter_container(iter, sub, '{'); +} + +/* array */ +static inline bool spa_json_is_array(const char *val, int len) +{ + return len > 0 && *val == '['; +} +static inline int spa_json_enter_array(struct spa_json *iter, struct spa_json *sub) +{ + return spa_json_enter_container(iter, sub, '['); +} + +/* null */ +static inline bool spa_json_is_null(const char *val, int len) +{ + return len == 4 && strncmp(val, "null", 4) == 0; +} + +/* float */ +static inline int spa_json_parse_float(const char *val, int len, float *result) +{ + char *end; + *result = spa_strtof(val, &end); + return len > 0 && end == val + len; +} + +static inline bool spa_json_is_float(const char *val, int len) +{ + float dummy; + return spa_json_parse_float(val, len, &dummy); +} +static inline int spa_json_get_float(struct spa_json *iter, float *res) +{ + const char *value; + int len; + if ((len = spa_json_next(iter, &value)) <= 0) + return -1; + return spa_json_parse_float(value, len, res); +} + +static inline char *spa_json_format_float(char *str, int size, float val) +{ + if (SPA_UNLIKELY(!isnormal(val))) { + if (val == INFINITY) + val = FLT_MAX; + else if (val == -INFINITY) + val = FLT_MIN; + else + val = 0.0f; + } + return spa_dtoa(str, size, val); +} + +/* int */ +static inline int spa_json_parse_int(const char *val, int len, int *result) +{ + char *end; + *result = strtol(val, &end, 0); + return len > 0 && end == val + len; +} +static inline bool spa_json_is_int(const char *val, int len) +{ + int dummy; + return spa_json_parse_int(val, len, &dummy); +} +static inline int spa_json_get_int(struct spa_json *iter, int *res) +{ + const char *value; + int len; + if ((len = spa_json_next(iter, &value)) <= 0) + return -1; + return spa_json_parse_int(value, len, res); +} + +/* bool */ +static inline bool spa_json_is_true(const char *val, int len) +{ + return len == 4 && strncmp(val, "true", 4) == 0; +} + +static inline bool spa_json_is_false(const char *val, int len) +{ + return len == 5 && strncmp(val, "false", 5) == 0; +} + +static inline bool spa_json_is_bool(const char *val, int len) +{ + return spa_json_is_true(val, len) || spa_json_is_false(val, len); +} + +static inline int spa_json_parse_bool(const char *val, int len, bool *result) +{ + if ((*result = spa_json_is_true(val, len))) + return 1; + if (!(*result = !spa_json_is_false(val, len))) + return 1; + return -1; +} +static inline int spa_json_get_bool(struct spa_json *iter, bool *res) +{ + const char *value; + int len; + if ((len = spa_json_next(iter, &value)) <= 0) + return -1; + return spa_json_parse_bool(value, len, res); +} + +/* string */ +static inline bool spa_json_is_string(const char *val, int len) +{ + return len > 1 && *val == '"'; +} + +static inline int spa_json_parse_hex(const char *p, int num, uint32_t *res) +{ + int i; + *res = 0; + for (i = 0; i < num; i++) { + char v = p[i]; + if (v >= '0' && v <= '9') + v = v - '0'; + else if (v >= 'a' && v <= 'f') + v = v - 'a' + 10; + else if (v >= 'A' && v <= 'F') + v = v - 'A' + 10; + else + return -1; + *res = (*res << 4) | v; + } + return 1; +} + +static inline int spa_json_parse_stringn(const char *val, int len, char *result, int maxlen) +{ + const char *p; + if (maxlen <= len) + return -1; + if (!spa_json_is_string(val, len)) { + if (result != val) + strncpy(result, val, len); + result += len; + } else { + for (p = val+1; p < val + len; p++) { + if (*p == '\\') { + p++; + if (*p == 'n') + *result++ = '\n'; + else if (*p == 'r') + *result++ = '\r'; + else if (*p == 'b') + *result++ = '\b'; + else if (*p == 't') + *result++ = '\t'; + else if (*p == 'f') + *result++ = '\f'; + else if (*p == 'u') { + uint8_t prefix[] = { 0, 0xc0, 0xe0, 0xf0 }; + uint32_t idx, n, v, cp, enc[] = { 0x80, 0x800, 0x10000 }; + if (val + len - p < 5 || + spa_json_parse_hex(p+1, 4, &cp) < 0) { + *result++ = *p; + continue; + } + p += 4; + + if (cp >= 0xd800 && cp <= 0xdbff) { + if (val + len - p < 7 || + p[1] != '\\' || p[2] != 'u' || + spa_json_parse_hex(p+3, 4, &v) < 0 || + v < 0xdc00 || v > 0xdfff) + continue; + p += 6; + cp = 0x010000 | ((cp & 0x3ff) << 10) | (v & 0x3ff); + } else if (cp >= 0xdc00 && cp <= 0xdfff) + continue; + + for (idx = 0; idx < 3; idx++) + if (cp < enc[idx]) + break; + for (n = idx; n > 0; n--, cp >>= 6) + result[n] = (cp | 0x80) & 0xbf; + *result++ = (cp | prefix[idx]) & 0xff; + result += idx; + } else + *result++ = *p; + } else if (*p == '\"') { + break; + } else + *result++ = *p; + } + } + *result = '\0'; + return 1; +} + +static inline int spa_json_parse_string(const char *val, int len, char *result) +{ + return spa_json_parse_stringn(val, len, result, len+1); +} + +static inline int spa_json_get_string(struct spa_json *iter, char *res, int maxlen) +{ + const char *value; + int len; + if ((len = spa_json_next(iter, &value)) <= 0) + return -1; + return spa_json_parse_stringn(value, len, res, maxlen); +} + +static inline int spa_json_encode_string(char *str, int size, const char *val) +{ + int len = 0; + static const char hex[] = { "0123456789abcdef" }; +#define __PUT(c) { if (len < size) *str++ = c; len++; } + __PUT('"'); + while (*val) { + switch (*val) { + case '\n': + __PUT('\\'); __PUT('n'); + break; + case '\r': + __PUT('\\'); __PUT('r'); + break; + case '\b': + __PUT('\\'); __PUT('b'); + break; + case '\t': + __PUT('\\'); __PUT('t'); + break; + case '\f': + __PUT('\\'); __PUT('f'); + break; + case '\\': + case '"': + __PUT('\\'); __PUT(*val); + break; + default: + if (*val > 0 && *val < 0x20) { + __PUT('\\'); __PUT('u'); + __PUT('0'); __PUT('0'); + __PUT(hex[((*val)>>4)&0xf]); __PUT(hex[(*val)&0xf]); + } else { + __PUT(*val); + } + break; + } + val++; + } + __PUT('"'); + __PUT('\0'); +#undef __PUT + return len-1; +} + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_JSON_H */ diff --git a/third_party/pipewire/spa/utils/keys.h b/third_party/pipewire/spa/utils/keys.h new file mode 100644 index 0000000000..80d578fc0e --- /dev/null +++ b/third_party/pipewire/spa/utils/keys.h @@ -0,0 +1,144 @@ +/* Simple Plugin API + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_KEYS_H +#define SPA_UTILS_KEYS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** \defgroup spa_keys Key Names + * Key names used by SPA plugins + */ + +/** + * \addtogroup spa_keys + * \{ + */ + +/** for objects */ +#define SPA_KEY_OBJECT_PATH "object.path" /**< a unique path to + * identity the object */ + +#define SPA_KEY_MEDIA_CLASS "media.class" /**< Media class + * Ex. "Audio/Device", + * "Video/Source",... */ +#define SPA_KEY_MEDIA_ROLE "media.role" /**< Role: Movie, Music, Camera, + * Screen, Communication, Game, + * Notification, DSP, Production, + * Accessibility, Test */ +/** keys for udev api */ +#define SPA_KEY_API_UDEV "api.udev" /**< key for the udev api */ +#define SPA_KEY_API_UDEV_MATCH "api.udev.match" /**< udev subsystem match */ + +/** keys for alsa api */ +#define SPA_KEY_API_ALSA "api.alsa" /**< key for the alsa api */ +#define SPA_KEY_API_ALSA_PATH "api.alsa.path" /**< alsa device path as can be + * used in snd_pcm_open() and + * snd_ctl_open(). */ +#define SPA_KEY_API_ALSA_CARD "api.alsa.card" /**< alsa card number */ +#define SPA_KEY_API_ALSA_USE_UCM "api.alsa.use-ucm" /**< if UCM should be used */ +#define SPA_KEY_API_ALSA_IGNORE_DB "api.alsa.ignore-dB" /**< if decibel info should be ignored */ +#define SPA_KEY_API_ALSA_OPEN_UCM "api.alsa.open.ucm" /**< if UCM should be opened card */ + +/** info from alsa card_info */ +#define SPA_KEY_API_ALSA_CARD_ID "api.alsa.card.id" /**< id from card_info */ +#define SPA_KEY_API_ALSA_CARD_COMPONENTS \ + "api.alsa.card.components" /**< components from card_info */ +#define SPA_KEY_API_ALSA_CARD_DRIVER "api.alsa.card.driver" /**< driver from card_info */ +#define SPA_KEY_API_ALSA_CARD_NAME "api.alsa.card.name" /**< name from card_info */ +#define SPA_KEY_API_ALSA_CARD_LONGNAME "api.alsa.card.longname" /**< longname from card_info */ +#define SPA_KEY_API_ALSA_CARD_MIXERNAME "api.alsa.card.mixername" /**< mixername from card_info */ + +/** info from alsa pcm_info */ +#define SPA_KEY_API_ALSA_PCM_ID "api.alsa.pcm.id" /**< id from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_CARD "api.alsa.pcm.card" /**< card from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_NAME "api.alsa.pcm.name" /**< name from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_SUBNAME "api.alsa.pcm.subname" /**< subdevice_name from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_STREAM "api.alsa.pcm.stream" /**< stream type from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_CLASS "api.alsa.pcm.class" /**< class from pcm_info as string */ +#define SPA_KEY_API_ALSA_PCM_DEVICE "api.alsa.pcm.device" /**< device from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_SUBDEVICE "api.alsa.pcm.subdevice" /**< subdevice from pcm_info */ +#define SPA_KEY_API_ALSA_PCM_SUBCLASS "api.alsa.pcm.subclass" /**< subclass from pcm_info as string */ +#define SPA_KEY_API_ALSA_PCM_SYNC_ID "api.alsa.pcm.sync-id" /**< sync id */ + +/** keys for v4l2 api */ +#define SPA_KEY_API_V4L2 "api.v4l2" /**< key for the v4l2 api */ +#define SPA_KEY_API_V4L2_PATH "api.v4l2.path" /**< v4l2 device path as can be + * used in open() */ + +/** keys for libcamera api */ +#define SPA_KEY_API_LIBCAMERA "api.libcamera" /**< key for the libcamera api */ +#define SPA_KEY_API_LIBCAMERA_PATH "api.libcamera.path" /**< libcamera device path as can be + * used in open() */ +#define SPA_KEY_API_LIBCAMERA_LOCATION "api.libcamera.location" /**< location of the camera: + * "front", "back" or "external" */ + +/** info from libcamera_capability */ +#define SPA_KEY_API_LIBCAMERA_CAP_DRIVER "api.libcamera.cap.driver" /**< driver from capbility */ +#define SPA_KEY_API_LIBCAMERA_CAP_CARD "api.libcamera.cap.card" /**< caps from capability */ +#define SPA_KEY_API_LIBCAMERA_CAP_BUS_INFO "api.libcamera.cap.bus_info"/**< bus_info from capability */ +#define SPA_KEY_API_LIBCAMERA_CAP_VERSION "api.libcamera.cap.version" /**< version from capability as %u.%u.%u */ +#define SPA_KEY_API_LIBCAMERA_CAP_CAPABILITIES \ + "api.libcamera.cap.capabilities" /**< capabilities from capability */ +#define SPA_KEY_API_LIBCAMERA_CAP_DEVICE_CAPS \ + "api.libcamera.cap.device-caps" /**< device_caps from capability */ +/** info from v4l2_capability */ +#define SPA_KEY_API_V4L2_CAP_DRIVER "api.v4l2.cap.driver" /**< driver from capbility */ +#define SPA_KEY_API_V4L2_CAP_CARD "api.v4l2.cap.card" /**< caps from capability */ +#define SPA_KEY_API_V4L2_CAP_BUS_INFO "api.v4l2.cap.bus_info" /**< bus_info from capability */ +#define SPA_KEY_API_V4L2_CAP_VERSION "api.v4l2.cap.version" /**< version from capability as %u.%u.%u */ +#define SPA_KEY_API_V4L2_CAP_CAPABILITIES \ + "api.v4l2.cap.capabilities" /**< capabilities from capability */ +#define SPA_KEY_API_V4L2_CAP_DEVICE_CAPS \ + "api.v4l2.cap.device-caps" /**< device_caps from capability */ + + +/** keys for bluez5 api */ +#define SPA_KEY_API_BLUEZ5 "api.bluez5" /**< key for the bluez5 api */ +#define SPA_KEY_API_BLUEZ5_PATH "api.bluez5.path" /**< a bluez5 path */ +#define SPA_KEY_API_BLUEZ5_DEVICE "api.bluez5.device" /**< an internal bluez5 device */ +#define SPA_KEY_API_BLUEZ5_CONNECTION "api.bluez5.connection" /**< bluez5 device connection status */ +#define SPA_KEY_API_BLUEZ5_TRANSPORT "api.bluez5.transport" /**< an internal bluez5 transport */ +#define SPA_KEY_API_BLUEZ5_PROFILE "api.bluez5.profile" /**< a bluetooth profile */ +#define SPA_KEY_API_BLUEZ5_ADDRESS "api.bluez5.address" /**< a bluetooth address */ +#define SPA_KEY_API_BLUEZ5_CODEC "api.bluez5.codec" /**< a bluetooth codec */ +#define SPA_KEY_API_BLUEZ5_CLASS "api.bluez5.class" /**< a bluetooth class */ +#define SPA_KEY_API_BLUEZ5_ICON "api.bluez5.icon" /**< a bluetooth icon */ + +/** keys for jack api */ +#define SPA_KEY_API_JACK "api.jack" /**< key for the JACK api */ +#define SPA_KEY_API_JACK_SERVER "api.jack.server" /**< a jack server name */ +#define SPA_KEY_API_JACK_CLIENT "api.jack.client" /**< an internal jack client */ + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_KEYS_H */ diff --git a/third_party/pipewire/spa/utils/list.h b/third_party/pipewire/spa/utils/list.h new file mode 100644 index 0000000000..62aa9a3df7 --- /dev/null +++ b/third_party/pipewire/spa/utils/list.h @@ -0,0 +1,161 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_LIST_H +#define SPA_LIST_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup spa_list List + * Doubly linked list data structure + */ + +/** + * \addtogroup spa_list List + * \{ + */ + +struct spa_list { + struct spa_list *next; + struct spa_list *prev; +}; + +#define SPA_LIST_INIT(list) (struct spa_list){ list, list } + +static inline void spa_list_init(struct spa_list *list) +{ + *list = SPA_LIST_INIT(list); +} + +#define spa_list_is_empty(l) ((l)->next == (l)) + +static inline void spa_list_insert(struct spa_list *list, struct spa_list *elem) +{ + elem->prev = list; + elem->next = list->next; + list->next = elem; + elem->next->prev = elem; +} + +static inline void spa_list_insert_list(struct spa_list *list, struct spa_list *other) +{ + if (spa_list_is_empty(other)) + return; + other->next->prev = list; + other->prev->next = list->next; + list->next->prev = other->prev; + list->next = other->next; +} + +static inline void spa_list_remove(struct spa_list *elem) +{ + elem->prev->next = elem->next; + elem->next->prev = elem->prev; +} + +#define spa_list_first(head, type, member) \ + SPA_CONTAINER_OF((head)->next, type, member) + +#define spa_list_last(head, type, member) \ + SPA_CONTAINER_OF((head)->prev, type, member) + +#define spa_list_append(list, item) \ + spa_list_insert((list)->prev, item) + +#define spa_list_prepend(list, item) \ + spa_list_insert(list, item) + +#define spa_list_is_end(pos, head, member) \ + (&(pos)->member == (head)) + +#define spa_list_next(pos, member) \ + SPA_CONTAINER_OF((pos)->member.next, __typeof__(*pos), member) + +#define spa_list_prev(pos, member) \ + SPA_CONTAINER_OF((pos)->member.prev, __typeof__(*pos), member) + +#define spa_list_consume(pos, head, member) \ + for (pos = spa_list_first(head, __typeof__(*pos), member); \ + !spa_list_is_empty(head); \ + pos = spa_list_first(head, __typeof__(*pos), member)) + +#define spa_list_for_each_next(pos, head, curr, member) \ + for (pos = spa_list_first(curr, __typeof__(*pos), member); \ + !spa_list_is_end(pos, head, member); \ + pos = spa_list_next(pos, member)) + +#define spa_list_for_each_prev(pos, head, curr, member) \ + for (pos = spa_list_last(curr, __typeof__(*pos), member); \ + !spa_list_is_end(pos, head, member); \ + pos = spa_list_prev(pos, member)) + +#define spa_list_for_each(pos, head, member) \ + spa_list_for_each_next(pos, head, head, member) + +#define spa_list_for_each_reverse(pos, head, member) \ + spa_list_for_each_prev(pos, head, head, member) + +#define spa_list_for_each_safe_next(pos, tmp, head, curr, member) \ + for (pos = spa_list_first(curr, __typeof__(*pos), member); \ + tmp = spa_list_next(pos, member), \ + !spa_list_is_end(pos, head, member); \ + pos = tmp) + +#define spa_list_for_each_safe_prev(pos, tmp, head, curr, member) \ + for (pos = spa_list_last(curr, __typeof__(*pos), member); \ + tmp = spa_list_prev(pos, member), \ + !spa_list_is_end(pos, head, member); \ + pos = tmp) + +#define spa_list_for_each_safe(pos, tmp, head, member) \ + spa_list_for_each_safe_next(pos, tmp, head, head, member) + +#define spa_list_for_each_safe_reverse(pos, tmp, head, member) \ + spa_list_for_each_safe_prev(pos, tmp, head, head, member) + +#define spa_list_cursor_start(cursor, head, member) \ + spa_list_prepend(head, &(cursor).member) + +#define spa_list_for_each_cursor(pos, cursor, head, member) \ + for(pos = spa_list_first(&(cursor).member, __typeof__(*(pos)), member); \ + spa_list_remove(&(pos)->member), \ + spa_list_append(&(cursor).member, &(pos)->member), \ + !spa_list_is_end(pos, head, member); \ + pos = spa_list_next(&cursor, member)) + +#define spa_list_cursor_end(cursor, member) \ + spa_list_remove(&(cursor).member) + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_LIST_H */ diff --git a/third_party/pipewire/spa/utils/names.h b/third_party/pipewire/spa/utils/names.h new file mode 100644 index 0000000000..7d60b07ed8 --- /dev/null +++ b/third_party/pipewire/spa/utils/names.h @@ -0,0 +1,158 @@ +/* Simple Plugin API + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_NAMES_H +#define SPA_UTILS_NAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** \defgroup spa_names Factory Names + * SPA plugin factory names + */ + +/** + * \addtogroup spa_names + * \{ + */ + +/** for factory names */ +#define SPA_NAME_SUPPORT_CPU "support.cpu" /**< A CPU interface */ +#define SPA_NAME_SUPPORT_DBUS "support.dbus" /**< A DBUS interface */ +#define SPA_NAME_SUPPORT_LOG "support.log" /**< A Log interface */ +#define SPA_NAME_SUPPORT_LOOP "support.loop" /**< A Loop/LoopControl/LoopUtils + * interface */ +#define SPA_NAME_SUPPORT_SYSTEM "support.system" /**< A System interface */ + +#define SPA_NAME_SUPPORT_NODE_DRIVER "support.node.driver" /**< A dummy driver node */ + +/* control mixer */ +#define SPA_NAME_CONTROL_MIXER "control.mixer" /**< mixes control streams */ + +/* audio mixer */ +#define SPA_NAME_AUDIO_MIXER "audio.mixer" /**< mixes the raw audio on N input + * ports together on the output + * port */ +#define SPA_NAME_AUDIO_MIXER_DSP "audio.mixer.dsp" /**< mixes mono audio with fixed input + * and output buffer sizes. supported + * formats must include f32 and + * optionally f64 and s24_32 */ + +/** audio processing */ +#define SPA_NAME_AUDIO_PROCESS_FORMAT "audio.process.format" /**< processes raw audio from one format + * to another */ +#define SPA_NAME_AUDIO_PROCESS_CHANNELMIX \ + "audio.process.channelmix" /**< mixes raw audio channels and applies + * volume change. */ +#define SPA_NAME_AUDIO_PROCESS_RESAMPLE \ + "audio.process.resample" /**< resamples raw audio */ +#define SPA_NAME_AUDIO_PROCESS_DEINTERLEAVE \ + "audio.process.deinterleave" /**< deinterleave raw audio channels */ +#define SPA_NAME_AUDIO_PROCESS_INTERLEAVE \ + "audio.process.interleave" /**< interleave raw audio channels */ + + +/** audio convert combines some of the audio processing */ +#define SPA_NAME_AUDIO_CONVERT "audio.convert" /**< converts raw audio from one format + * to another. Must include at least + * format, channelmix and resample + * processing */ +#define SPA_NAME_AUDIO_ADAPT "audio.adapt" /**< combination of a node and an + * audio.convert. Does clock slaving */ + +#define SPA_NAME_AEC "audio.aec" /**< Echo canceling */ + +/** video processing */ +#define SPA_NAME_VIDEO_PROCESS_FORMAT "video.process.format" /**< processes raw video from one format + * to another */ +#define SPA_NAME_VIDEO_PROCESS_SCALE "video.process.scale" /**< scales raw video */ + +/** video convert combines some of the video processing */ +#define SPA_NAME_VIDEO_CONVERT "video.convert" /**< converts raw video from one format + * to another. Must include at least + * format and scaling */ +#define SPA_NAME_VIDEO_ADAPT "video.adapt" /**< combination of a node and a + * video.convert. */ +/** keys for alsa factory names */ +#define SPA_NAME_API_ALSA_ENUM_UDEV "api.alsa.enum.udev" /**< an alsa udev Device interface */ +#define SPA_NAME_API_ALSA_PCM_DEVICE "api.alsa.pcm.device" /**< an alsa Device interface */ +#define SPA_NAME_API_ALSA_PCM_SOURCE "api.alsa.pcm.source" /**< an alsa Node interface for + * capturing PCM */ +#define SPA_NAME_API_ALSA_PCM_SINK "api.alsa.pcm.sink" /**< an alsa Node interface for + * playback PCM */ +#define SPA_NAME_API_ALSA_SEQ_DEVICE "api.alsa.seq.device" /**< an alsa Midi device */ +#define SPA_NAME_API_ALSA_SEQ_SOURCE "api.alsa.seq.source" /**< an alsa Node interface for + * capture of midi */ +#define SPA_NAME_API_ALSA_SEQ_SINK "api.alsa.seq.sink" /**< an alsa Node interface for + * playback of midi */ +#define SPA_NAME_API_ALSA_SEQ_BRIDGE "api.alsa.seq.bridge" /**< an alsa Node interface for + * bridging midi ports */ +#define SPA_NAME_API_ALSA_ACP_DEVICE "api.alsa.acp.device" /**< an alsa ACP Device interface */ + +/** keys for bluez5 factory names */ +#define SPA_NAME_API_BLUEZ5_ENUM_DBUS "api.bluez5.enum.dbus" /**< a dbus Device interface */ +#define SPA_NAME_API_BLUEZ5_DEVICE "api.bluez5.device" /**< a Device interface */ +#define SPA_NAME_API_BLUEZ5_A2DP_SINK "api.bluez5.a2dp.sink" /**< a playback Node interface for A2DP profiles */ +#define SPA_NAME_API_BLUEZ5_A2DP_SOURCE "api.bluez5.a2dp.source" /**< a capture Node interface for A2DP profiles */ +#define SPA_NAME_API_BLUEZ5_SCO_SINK "api.bluez5.sco.sink" /**< a playback Node interface for HSP/HFP profiles */ +#define SPA_NAME_API_BLUEZ5_SCO_SOURCE "api.bluez5.sco.source" /**< a capture Node interface for HSP/HFP profiles */ + +/** keys for codec factory names */ +#define SPA_NAME_API_CODEC_BLUEZ5_A2DP "api.codec.bluez5.a2dp" /**< Bluez5 A2DP codec plugin */ + +/** keys for v4l2 factory names */ +#define SPA_NAME_API_V4L2_ENUM_UDEV "api.v4l2.enum.udev" /**< a v4l2 udev Device interface */ +#define SPA_NAME_API_V4L2_DEVICE "api.v4l2.device" /**< a v4l2 Device interface */ +#define SPA_NAME_API_V4L2_SOURCE "api.v4l2.source" /**< a v4l2 Node interface for + * capturing */ + +/** keys for libcamera factory names */ +#define SPA_NAME_API_LIBCAMERA_ENUM_CLIENT "api.libcamera.enum.client" /**< a libcamera client Device interface */ +#define SPA_NAME_API_LIBCAMERA_ENUM_MANAGER "api.libcamera.enum.manager" /**< a libcamera manager Device interface */ +#define SPA_NAME_API_LIBCAMERA_DEVICE "api.libcamera.device" /**< a libcamera Device interface */ +#define SPA_NAME_API_LIBCAMERA_SOURCE "api.libcamera.source" /**< a libcamera Node interface for + * capturing */ + +/** keys for jack factory names */ +#define SPA_NAME_API_JACK_DEVICE "api.jack.device" /**< a jack device. This is a + * client connected to a server */ +#define SPA_NAME_API_JACK_SOURCE "api.jack.source" /**< a jack source */ +#define SPA_NAME_API_JACK_SINK "api.jack.sink" /**< a jack sink */ + +/** keys for vulkan factory names */ +#define SPA_NAME_API_VULKAN_COMPUTE_SOURCE \ + "api.vulkan.compute.source" /**< a vulkan compute source. */ +#define SPA_NAME_API_VULKAN_COMPUTE_FILTER \ + "api.vulkan.compute.filter" /**< a vulkan compute filter. */ + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_NAMES_H */ diff --git a/third_party/pipewire/spa/utils/result.h b/third_party/pipewire/spa/utils/result.h new file mode 100644 index 0000000000..67ee401a14 --- /dev/null +++ b/third_party/pipewire/spa/utils/result.h @@ -0,0 +1,72 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_RESULT_H +#define SPA_UTILS_RESULT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup spa_result Result handling + * Asynchronous result utilities + */ + +/** + * \addtogroup spa_result + * \{ + */ + +#include <spa/utils/defs.h> +#include <spa/utils/list.h> + +#define SPA_ASYNC_BIT (1 << 30) +#define SPA_ASYNC_SEQ_MASK (SPA_ASYNC_BIT - 1) +#define SPA_ASYNC_MASK (~SPA_ASYNC_SEQ_MASK) + +#define SPA_RESULT_IS_OK(res) ((res) >= 0) +#define SPA_RESULT_IS_ERROR(res) ((res) < 0) +#define SPA_RESULT_IS_ASYNC(res) (((res) & SPA_ASYNC_MASK) == SPA_ASYNC_BIT) + +#define SPA_RESULT_ASYNC_SEQ(res) ((res) & SPA_ASYNC_SEQ_MASK) +#define SPA_RESULT_RETURN_ASYNC(seq) (SPA_ASYNC_BIT | SPA_RESULT_ASYNC_SEQ(seq)) + +#define spa_strerror(err) \ +({ \ + int _err = -err; \ + if (SPA_RESULT_IS_ASYNC(err)) \ + _err = EINPROGRESS; \ + strerror(_err); \ +}) + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_RESULT_H */ diff --git a/third_party/pipewire/spa/utils/ringbuffer.h b/third_party/pipewire/spa/utils/ringbuffer.h new file mode 100644 index 0000000000..19bfb86755 --- /dev/null +++ b/third_party/pipewire/spa/utils/ringbuffer.h @@ -0,0 +1,188 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_RINGBUFFER_H +#define SPA_RINGBUFFER_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup spa_ringbuffer Ringbuffer + * Ring buffer implementation + */ + +/** + * \addtogroup spa_ringbuffer + * \{ + */ + +struct spa_ringbuffer; + +#include <string.h> + +#include <spa/utils/defs.h> + +/** + * A ringbuffer type. + */ +struct spa_ringbuffer { + uint32_t readindex; /*< the current read index */ + uint32_t writeindex; /*< the current write index */ +}; + +#define SPA_RINGBUFFER_INIT() (struct spa_ringbuffer) { 0, 0 } + +/** + * Initialize a spa_ringbuffer with \a size. + * + * \param rbuf a spa_ringbuffer + */ +static inline void spa_ringbuffer_init(struct spa_ringbuffer *rbuf) +{ + *rbuf = SPA_RINGBUFFER_INIT(); +} + +/** + * Sets the pointers so that the ringbuffer contains \a size bytes. + * + * \param rbuf a spa_ringbuffer + * \param size the target size of \a rbuf + */ +static inline void spa_ringbuffer_set_avail(struct spa_ringbuffer *rbuf, uint32_t size) +{ + rbuf->readindex = 0; + rbuf->writeindex = size; +} + +/** + * Get the read index and available bytes for reading. + * + * \param rbuf a spa_ringbuffer + * \param index the value of readindex, should be taken modulo the size of the + * ringbuffer memory to get the offset in the ringbuffer memory + * \return number of available bytes to read. values < 0 mean + * there was an underrun. values > rbuf->size means there + * was an overrun. + */ +static inline int32_t spa_ringbuffer_get_read_index(struct spa_ringbuffer *rbuf, uint32_t *index) +{ + *index = __atomic_load_n(&rbuf->readindex, __ATOMIC_RELAXED); + return (int32_t) (__atomic_load_n(&rbuf->writeindex, __ATOMIC_ACQUIRE) - *index); +} + +/** + * Read \a len bytes from \a rbuf starting \a offset. \a offset must be taken + * modulo \a size and len should be smaller than \a size. + * + * \param rbuf a struct \ref spa_ringbuffer + * \param buffer memory to read from + * \param size the size of \a buffer + * \param offset offset in \a buffer to read from + * \param data destination memory + * \param len number of bytes to read + */ +static inline void +spa_ringbuffer_read_data(struct spa_ringbuffer *rbuf, + const void *buffer, uint32_t size, + uint32_t offset, void *data, uint32_t len) +{ + uint32_t l0 = SPA_MIN(len, size - offset), l1 = len - l0; + spa_memcpy(data, SPA_PTROFF(buffer, offset, void), l0); + if (SPA_UNLIKELY(l1 > 0)) + spa_memcpy(SPA_PTROFF(data, l0, void), buffer, l1); +} + +/** + * Update the read pointer to \a index. + * + * \param rbuf a spa_ringbuffer + * \param index new index + */ +static inline void spa_ringbuffer_read_update(struct spa_ringbuffer *rbuf, int32_t index) +{ + __atomic_store_n(&rbuf->readindex, index, __ATOMIC_RELEASE); +} + +/** + * Get the write index and the number of bytes inside the ringbuffer. + * + * \param rbuf a spa_ringbuffer + * \param index the value of writeindex, should be taken modulo the size of the + * ringbuffer memory to get the offset in the ringbuffer memory + * \return the fill level of \a rbuf. values < 0 mean + * there was an underrun. values > rbuf->size means there + * was an overrun. Subtract from the buffer size to get + * the number of bytes available for writing. + */ +static inline int32_t spa_ringbuffer_get_write_index(struct spa_ringbuffer *rbuf, uint32_t *index) +{ + *index = __atomic_load_n(&rbuf->writeindex, __ATOMIC_RELAXED); + return (int32_t) (*index - __atomic_load_n(&rbuf->readindex, __ATOMIC_ACQUIRE)); +} + +/** + * Write \a len bytes to \a buffer starting \a offset. \a offset must be taken + * modulo \a size and len should be smaller than \a size. + * + * \param rbuf a spa_ringbuffer + * \param buffer memory to write to + * \param size the size of \a buffer + * \param offset offset in \a buffer to write to + * \param data source memory + * \param len number of bytes to write + */ +static inline void +spa_ringbuffer_write_data(struct spa_ringbuffer *rbuf, + void *buffer, uint32_t size, + uint32_t offset, const void *data, uint32_t len) +{ + uint32_t l0 = SPA_MIN(len, size - offset), l1 = len - l0; + spa_memcpy(SPA_PTROFF(buffer, offset, void), data, l0); + if (SPA_UNLIKELY(l1 > 0)) + spa_memcpy(buffer, SPA_PTROFF(data, l0, void), l1); +} + +/** + * Update the write pointer to \a index + * + * \param rbuf a spa_ringbuffer + * \param index new index + */ +static inline void spa_ringbuffer_write_update(struct spa_ringbuffer *rbuf, int32_t index) +{ + __atomic_store_n(&rbuf->writeindex, index, __ATOMIC_RELEASE); +} + +/** + * \} + */ + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_RINGBUFFER_H */ diff --git a/third_party/pipewire/spa/utils/string.h b/third_party/pipewire/spa/utils/string.h new file mode 100644 index 0000000000..edf4e954f8 --- /dev/null +++ b/third_party/pipewire/spa/utils/string.h @@ -0,0 +1,387 @@ +/* Simple Plugin API + * + * Copyright © 2021 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_UTILS_STRING_H +#define SPA_UTILS_STRING_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdarg.h> +#include <stdbool.h> +#include <errno.h> +#include <stdlib.h> +#include <locale.h> + +#include <spa/utils/defs.h> + +/** + * \defgroup spa_string String handling + * String handling utilities + */ + +/** + * \addtogroup spa_string + * \{ + */ + +/** + * \return true if the two strings are equal, false otherwise + * + * If both \a a and \a b are NULL, the two are considered equal. + * + */ +static inline bool spa_streq(const char *s1, const char *s2) +{ + return SPA_LIKELY(s1 && s2) ? strcmp(s1, s2) == 0 : s1 == s2; +} + +/** + * \return true if the two strings are equal, false otherwise + * + * If both \a a and \a b are NULL, the two are considered equal. + */ +static inline bool spa_strneq(const char *s1, const char *s2, size_t len) +{ + return SPA_LIKELY(s1 && s2) ? strncmp(s1, s2, len) == 0 : s1 == s2; +} + + +/** + * \return true if \a s starts with the \a prefix or false otherwise. + * A \a s is NULL, it never starts with the given \a prefix. A \a prefix of + * NULL is a bug in the caller. + */ +static inline bool spa_strstartswith(const char *s, const char *prefix) +{ + if (SPA_UNLIKELY(s == NULL)) + return false; + + spa_assert_se(prefix); + + return strncmp(s, prefix, strlen(prefix)) == 0; +} + + +/** + * \return true if \a s ends with the \a suffix or false otherwise. + * A \a s is NULL, it never ends with the given \a suffix. A \a suffix of + * NULL is a bug in the caller. + */ +static inline bool spa_strendswith(const char *s, const char *suffix) +{ + size_t l1, l2; + + if (SPA_UNLIKELY(s == NULL)) + return false; + + spa_assert_se(suffix); + + l1 = strlen(s); + l2 = strlen(suffix); + return l1 >= l2 && spa_streq(s + l1 - l2, suffix); +} + +/** + * Convert \a str to an int32_t with the given \a base and store the + * result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atoi32(const char *str, int32_t *val, int base) +{ + char *endptr; + long v; + + if (!str || *str =='\0') + return false; + + errno = 0; + v = strtol(str, &endptr, base); + if (errno != 0 || *endptr != '\0') + return false; + + if (v != (int32_t)v) + return false; + + *val = v; + return true; +} + +/** + * Convert \a str to an uint32_t with the given \a base and store the + * result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atou32(const char *str, uint32_t *val, int base) +{ + char *endptr; + unsigned long long v; + + if (!str || *str =='\0') + return false; + + errno = 0; + v = strtoull(str, &endptr, base); + if (errno != 0 || *endptr != '\0') + return false; + + if (v != (uint32_t)v) + return false; + + *val = v; + return true; +} + +/** + * Convert \a str to an int64_t with the given \a base and store the + * result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atoi64(const char *str, int64_t *val, int base) +{ + char *endptr; + long long v; + + if (!str || *str =='\0') + return false; + + errno = 0; + v = strtoll(str, &endptr, base); + if (errno != 0 || *endptr != '\0') + return false; + + *val = v; + return true; +} + +/** + * Convert \a str to an uint64_t with the given \a base and store the + * result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atou64(const char *str, uint64_t *val, int base) +{ + char *endptr; + unsigned long long v; + + if (!str || *str =='\0') + return false; + + errno = 0; + v = strtoull(str, &endptr, base); + if (errno != 0 || *endptr != '\0') + return false; + + *val = v; + return true; +} + +/** + * Convert \a str to a boolean. Allowed boolean values are "true" and a + * literal "1", anything else is false. + * + * \return true on success, false otherwise + */ +static inline bool spa_atob(const char *str) +{ + return spa_streq(str, "true") || spa_streq(str, "1"); +} + +/** + * "Safe" version of vsnprintf. Exactly the same as vsnprintf but the + * returned value is clipped to `size - 1` and a negative or zero size + * will abort() the program. + * + * \return The number of bytes printed, capped to `size-1`, or a negative + * number on error. + */ +SPA_PRINTF_FUNC(3, 0) +static inline int spa_vscnprintf(char *buffer, size_t size, const char *format, va_list args) +{ + int r; + + spa_assert_se((ssize_t)size > 0); + + r = vsnprintf(buffer, size, format, args); + if (SPA_UNLIKELY(r < 0)) + buffer[0] = '\0'; + if (SPA_LIKELY(r < (ssize_t)size)) + return r; + return size - 1; +} + +/** + * "Safe" version of snprintf. Exactly the same as snprintf but the + * returned value is clipped to `size - 1` and a negative or zero size + * will abort() the program. + * + * \return The number of bytes printed, capped to `size-1`, or a negative + * number on error. + */ +SPA_PRINTF_FUNC(3, 4) +static inline int spa_scnprintf(char *buffer, size_t size, const char *format, ...) +{ + int r; + va_list args; + + va_start(args, format); + r = spa_vscnprintf(buffer, size, format, args); + va_end(args); + + return r; +} + +/** + * Convert \a str to a float in the C locale. + * + * If \a endptr is not NULL, a pointer to the character after the last character + * used in the conversion is stored in the location referenced by endptr. + * + * \return the result float. + */ +static inline float spa_strtof(const char *str, char **endptr) +{ +#ifndef __LOCALE_C_ONLY + static locale_t locale = NULL; + locale_t prev; +#endif + float v; +#ifndef __LOCALE_C_ONLY + if (SPA_UNLIKELY(locale == NULL)) + locale = newlocale(LC_ALL_MASK, "C", NULL); + prev = uselocale(locale); +#endif + v = strtof(str, endptr); +#ifndef __LOCALE_C_ONLY + uselocale(prev); +#endif + return v; +} + +/** + * Convert \a str to a float and store the result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atof(const char *str, float *val) +{ + char *endptr; + float v; + + if (!str || *str =='\0') + return false; + errno = 0; + v = spa_strtof(str, &endptr); + if (errno != 0 || *endptr != '\0') + return false; + + *val = v; + return true; +} + +/** + * Convert \a str to a double in the C locale. + * + * If \a endptr is not NULL, a pointer to the character after the last character + * used in the conversion is stored in the location referenced by endptr. + * + * \return the result float. + */ +static inline double spa_strtod(const char *str, char **endptr) +{ +#ifndef __LOCALE_C_ONLY + static locale_t locale = NULL; + locale_t prev; +#endif + double v; +#ifndef __LOCALE_C_ONLY + if (SPA_UNLIKELY(locale == NULL)) + locale = newlocale(LC_ALL_MASK, "C", NULL); + prev = uselocale(locale); +#endif + v = strtod(str, endptr); +#ifndef __LOCALE_C_ONLY + uselocale(prev); +#endif + return v; +} + +/** + * Convert \a str to a double and store the result in \a val. + * + * On failure, the value of \a val is unmodified. + * + * \return true on success, false otherwise + */ +static inline bool spa_atod(const char *str, double *val) +{ + char *endptr; + double v; + + if (!str || *str =='\0') + return false; + + errno = 0; + v = spa_strtod(str, &endptr); + if (errno != 0 || *endptr != '\0') + return false; + + *val = v; + return true; +} + +static inline char *spa_dtoa(char *str, size_t size, double val) +{ + int i, l; + l = spa_scnprintf(str, size, "%f", val); + for (i = 0; i < l; i++) + if (str[i] == ',') + str[i] = '.'; + return str; +} + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_UTILS_STRING_H */ diff --git a/third_party/pipewire/spa/utils/type-info.h b/third_party/pipewire/spa/utils/type-info.h new file mode 100644 index 0000000000..0293278713 --- /dev/null +++ b/third_party/pipewire/spa/utils/type-info.h @@ -0,0 +1,140 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_TYPE_INFO_H +#define SPA_TYPE_INFO_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/utils/defs.h> + +/** + * \addtogroup spa_types + * \{ + */ + +#ifndef SPA_TYPE_ROOT +#define SPA_TYPE_ROOT spa_types +#endif + +static inline bool spa_type_is_a(const char *type, const char *parent) +{ + return type != NULL && parent != NULL && strncmp(type, parent, strlen(parent)) == 0; +} + +#include <spa/utils/type.h> + +/* base for parameter object enumerations */ +#define SPA_TYPE_INFO_Direction SPA_TYPE_INFO_ENUM_BASE "Direction" +#define SPA_TYPE_INFO_DIRECTION_BASE SPA_TYPE_INFO_Direction ":" + +static const struct spa_type_info spa_type_direction[] = { + { SPA_DIRECTION_INPUT, SPA_TYPE_Int, SPA_TYPE_INFO_DIRECTION_BASE "Input", NULL }, + { SPA_DIRECTION_OUTPUT, SPA_TYPE_Int, SPA_TYPE_INFO_DIRECTION_BASE "Output", NULL }, + { 0, 0, NULL, NULL } +}; + +#include <spa/monitor/type-info.h> +#include <spa/node/type-info.h> +#include <spa/param/type-info.h> +#include <spa/control/type-info.h> + +/* base for parameter object enumerations */ +#define SPA_TYPE_INFO_Choice SPA_TYPE_INFO_ENUM_BASE "Choice" +#define SPA_TYPE_INFO_CHOICE_BASE SPA_TYPE_INFO_Choice ":" + +static const struct spa_type_info spa_type_choice[] = { + { SPA_CHOICE_None, SPA_TYPE_Int, SPA_TYPE_INFO_CHOICE_BASE "None", NULL }, + { SPA_CHOICE_Range, SPA_TYPE_Int, SPA_TYPE_INFO_CHOICE_BASE "Range", NULL }, + { SPA_CHOICE_Step, SPA_TYPE_Int, SPA_TYPE_INFO_CHOICE_BASE "Step", NULL }, + { SPA_CHOICE_Enum, SPA_TYPE_Int, SPA_TYPE_INFO_CHOICE_BASE "Enum", NULL }, + { SPA_CHOICE_Flags, SPA_TYPE_Int, SPA_TYPE_INFO_CHOICE_BASE "Flags", NULL }, + { 0, 0, NULL, NULL } +}; + +static const struct spa_type_info spa_types[] = { + /* Basic types */ + { SPA_TYPE_START, SPA_TYPE_START, SPA_TYPE_INFO_BASE, NULL }, + { SPA_TYPE_None, SPA_TYPE_None, SPA_TYPE_INFO_BASE "None", NULL }, + { SPA_TYPE_Bool, SPA_TYPE_Bool, SPA_TYPE_INFO_BASE "Bool", NULL }, + { SPA_TYPE_Id, SPA_TYPE_Int, SPA_TYPE_INFO_BASE "Id", NULL }, + { SPA_TYPE_Int, SPA_TYPE_Int, SPA_TYPE_INFO_BASE "Int", NULL }, + { SPA_TYPE_Long, SPA_TYPE_Long, SPA_TYPE_INFO_BASE "Long", NULL }, + { SPA_TYPE_Float, SPA_TYPE_Float, SPA_TYPE_INFO_BASE "Float", NULL }, + { SPA_TYPE_Double, SPA_TYPE_Double, SPA_TYPE_INFO_BASE "Double", NULL }, + { SPA_TYPE_String, SPA_TYPE_String, SPA_TYPE_INFO_BASE "String", NULL }, + { SPA_TYPE_Bytes, SPA_TYPE_Bytes, SPA_TYPE_INFO_BASE "Bytes", NULL }, + { SPA_TYPE_Rectangle, SPA_TYPE_Rectangle, SPA_TYPE_INFO_BASE "Rectangle", NULL }, + { SPA_TYPE_Fraction, SPA_TYPE_Fraction, SPA_TYPE_INFO_BASE "Fraction", NULL }, + { SPA_TYPE_Bitmap, SPA_TYPE_Bitmap, SPA_TYPE_INFO_BASE "Bitmap", NULL }, + { SPA_TYPE_Array, SPA_TYPE_Array, SPA_TYPE_INFO_BASE "Array", NULL }, + { SPA_TYPE_Pod, SPA_TYPE_Pod, SPA_TYPE_INFO_Pod, NULL }, + { SPA_TYPE_Struct, SPA_TYPE_Pod, SPA_TYPE_INFO_Struct, NULL }, + { SPA_TYPE_Object, SPA_TYPE_Pod, SPA_TYPE_INFO_Object, NULL }, + { SPA_TYPE_Sequence, SPA_TYPE_Pod, SPA_TYPE_INFO_POD_BASE "Sequence", NULL }, + { SPA_TYPE_Pointer, SPA_TYPE_Pointer, SPA_TYPE_INFO_Pointer, NULL }, + { SPA_TYPE_Fd, SPA_TYPE_Fd, SPA_TYPE_INFO_BASE "Fd", NULL }, + { SPA_TYPE_Choice, SPA_TYPE_Pod, SPA_TYPE_INFO_POD_BASE "Choice", NULL }, + + { SPA_TYPE_POINTER_START, SPA_TYPE_Pointer, SPA_TYPE_INFO_Pointer, NULL }, + { SPA_TYPE_POINTER_Buffer, SPA_TYPE_Pointer, SPA_TYPE_INFO_POINTER_BASE "Buffer", NULL }, + { SPA_TYPE_POINTER_Meta, SPA_TYPE_Pointer, SPA_TYPE_INFO_POINTER_BASE "Meta", NULL }, + { SPA_TYPE_POINTER_Dict, SPA_TYPE_Pointer, SPA_TYPE_INFO_POINTER_BASE "Dict", NULL }, + + { SPA_TYPE_EVENT_START, SPA_TYPE_Object, SPA_TYPE_INFO_Event, NULL }, + { SPA_TYPE_EVENT_Device, SPA_TYPE_Object, SPA_TYPE_INFO_EVENT_BASE "Device", spa_type_device_event }, + { SPA_TYPE_EVENT_Node, SPA_TYPE_Object, SPA_TYPE_INFO_EVENT_BASE "Node", spa_type_node_event }, + + { SPA_TYPE_COMMAND_START, SPA_TYPE_Object, SPA_TYPE_INFO_Command, NULL }, + { SPA_TYPE_COMMAND_Device, SPA_TYPE_Object, SPA_TYPE_INFO_COMMAND_BASE "Device", NULL }, + { SPA_TYPE_COMMAND_Node, SPA_TYPE_Object, SPA_TYPE_INFO_COMMAND_BASE "Node", spa_type_node_command }, + + { SPA_TYPE_OBJECT_START, SPA_TYPE_Object, SPA_TYPE_INFO_Object, NULL }, + { SPA_TYPE_OBJECT_PropInfo, SPA_TYPE_Object, SPA_TYPE_INFO_PropInfo, spa_type_prop_info, }, + { SPA_TYPE_OBJECT_Props, SPA_TYPE_Object, SPA_TYPE_INFO_Props, spa_type_props }, + { SPA_TYPE_OBJECT_Format, SPA_TYPE_Object, SPA_TYPE_INFO_Format, spa_type_format }, + { SPA_TYPE_OBJECT_ParamBuffers, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_Buffers, spa_type_param_buffers, }, + { SPA_TYPE_OBJECT_ParamMeta, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_Meta, spa_type_param_meta }, + { SPA_TYPE_OBJECT_ParamIO, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_IO, spa_type_param_io }, + { SPA_TYPE_OBJECT_ParamProfile, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_Profile, spa_type_param_profile }, + { SPA_TYPE_OBJECT_ParamPortConfig, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_PortConfig, spa_type_param_port_config }, + { SPA_TYPE_OBJECT_ParamRoute, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_Route, spa_type_param_route }, + { SPA_TYPE_OBJECT_Profiler, SPA_TYPE_Object, SPA_TYPE_INFO_Profiler, spa_type_profiler }, + { SPA_TYPE_OBJECT_ParamLatency, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_Latency, spa_type_param_latency }, + { SPA_TYPE_OBJECT_ParamProcessLatency, SPA_TYPE_Object, SPA_TYPE_INFO_PARAM_ProcessLatency, spa_type_param_process_latency }, + + { 0, 0, NULL, NULL } +}; + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_TYPE_INFO_H */ diff --git a/third_party/pipewire/spa/utils/type.h b/third_party/pipewire/spa/utils/type.h new file mode 100644 index 0000000000..31623c37a1 --- /dev/null +++ b/third_party/pipewire/spa/utils/type.h @@ -0,0 +1,153 @@ +/* Simple Plugin API + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPA_TYPE_H +#define SPA_TYPE_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/utils/defs.h> + +/** \defgroup spa_types Types + * Data type information enumerations + */ + +/** + * \addtogroup spa_types + * \{ + */ + +enum { + /* Basic types */ + SPA_TYPE_START = 0x00000, + SPA_TYPE_None, + SPA_TYPE_Bool, + SPA_TYPE_Id, + SPA_TYPE_Int, + SPA_TYPE_Long, + SPA_TYPE_Float, + SPA_TYPE_Double, + SPA_TYPE_String, + SPA_TYPE_Bytes, + SPA_TYPE_Rectangle, + SPA_TYPE_Fraction, + SPA_TYPE_Bitmap, + SPA_TYPE_Array, + SPA_TYPE_Struct, + SPA_TYPE_Object, + SPA_TYPE_Sequence, + SPA_TYPE_Pointer, + SPA_TYPE_Fd, + SPA_TYPE_Choice, + SPA_TYPE_Pod, + _SPA_TYPE_LAST, /**< not part of ABI */ + + /* Pointers */ + SPA_TYPE_POINTER_START = 0x10000, + SPA_TYPE_POINTER_Buffer, + SPA_TYPE_POINTER_Meta, + SPA_TYPE_POINTER_Dict, + _SPA_TYPE_POINTER_LAST, /**< not part of ABI */ + + /* Events */ + SPA_TYPE_EVENT_START = 0x20000, + SPA_TYPE_EVENT_Device, + SPA_TYPE_EVENT_Node, + _SPA_TYPE_EVENT_LAST, /**< not part of ABI */ + + /* Commands */ + SPA_TYPE_COMMAND_START = 0x30000, + SPA_TYPE_COMMAND_Device, + SPA_TYPE_COMMAND_Node, + _SPA_TYPE_COMMAND_LAST, /**< not part of ABI */ + + /* Objects */ + SPA_TYPE_OBJECT_START = 0x40000, + SPA_TYPE_OBJECT_PropInfo, + SPA_TYPE_OBJECT_Props, + SPA_TYPE_OBJECT_Format, + SPA_TYPE_OBJECT_ParamBuffers, + SPA_TYPE_OBJECT_ParamMeta, + SPA_TYPE_OBJECT_ParamIO, + SPA_TYPE_OBJECT_ParamProfile, + SPA_TYPE_OBJECT_ParamPortConfig, + SPA_TYPE_OBJECT_ParamRoute, + SPA_TYPE_OBJECT_Profiler, + SPA_TYPE_OBJECT_ParamLatency, + SPA_TYPE_OBJECT_ParamProcessLatency, + _SPA_TYPE_OBJECT_LAST, /**< not part of ABI */ + + /* vendor extensions */ + SPA_TYPE_VENDOR_PipeWire = 0x02000000, + + SPA_TYPE_VENDOR_Other = 0x7f000000, +}; + +#define SPA_TYPE_INFO_BASE "Spa:" + +#define SPA_TYPE_INFO_Flags SPA_TYPE_INFO_BASE "Flags" +#define SPA_TYPE_INFO_FLAGS_BASE SPA_TYPE_INFO_Flags ":" + +#define SPA_TYPE_INFO_Enum SPA_TYPE_INFO_BASE "Enum" +#define SPA_TYPE_INFO_ENUM_BASE SPA_TYPE_INFO_Enum ":" + +#define SPA_TYPE_INFO_Pod SPA_TYPE_INFO_BASE "Pod" +#define SPA_TYPE_INFO_POD_BASE SPA_TYPE_INFO_Pod ":" + +#define SPA_TYPE_INFO_Struct SPA_TYPE_INFO_POD_BASE "Struct" +#define SPA_TYPE_INFO_STRUCT_BASE SPA_TYPE_INFO_Struct ":" + +#define SPA_TYPE_INFO_Object SPA_TYPE_INFO_POD_BASE "Object" +#define SPA_TYPE_INFO_OBJECT_BASE SPA_TYPE_INFO_Object ":" + +#define SPA_TYPE_INFO_Pointer SPA_TYPE_INFO_BASE "Pointer" +#define SPA_TYPE_INFO_POINTER_BASE SPA_TYPE_INFO_Pointer ":" + +#define SPA_TYPE_INFO_Interface SPA_TYPE_INFO_POINTER_BASE "Interface" +#define SPA_TYPE_INFO_INTERFACE_BASE SPA_TYPE_INFO_Interface ":" + +#define SPA_TYPE_INFO_Event SPA_TYPE_INFO_OBJECT_BASE "Event" +#define SPA_TYPE_INFO_EVENT_BASE SPA_TYPE_INFO_Event ":" + +#define SPA_TYPE_INFO_Command SPA_TYPE_INFO_OBJECT_BASE "Command" +#define SPA_TYPE_INFO_COMMAND_BASE SPA_TYPE_INFO_Command ":" + +struct spa_type_info { + uint32_t type; + uint32_t parent; + const char *name; + const struct spa_type_info *values; +}; + +/** + * \} + */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_TYPE_H */ |