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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/pipewire/spa/pod/dynamic.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/pipewire/spa/pod/dynamic.h')
-rw-r--r-- | third_party/pipewire/spa/pod/dynamic.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/pipewire/spa/pod/dynamic.h b/third_party/pipewire/spa/pod/dynamic.h new file mode 100644 index 0000000000..1fe77beecd --- /dev/null +++ b/third_party/pipewire/spa/pod/dynamic.h @@ -0,0 +1,81 @@ +/* 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_POD_DYNAMIC_H +#define SPA_POD_DYNAMIC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/pod/builder.h> + +struct spa_pod_dynamic_builder { + struct spa_pod_builder b; + void *data; + uint32_t extend; + uint32_t _padding; +}; + +static int spa_pod_dynamic_builder_overflow(void *data, uint32_t size) +{ + struct spa_pod_dynamic_builder *d = (struct spa_pod_dynamic_builder*)data; + int32_t old_size = d->b.size; + int32_t new_size = SPA_ROUND_UP_N(size, d->extend); + void *old_data = d->b.data; + + if (old_data == d->data) + d->b.data = NULL; + if ((d->b.data = realloc(d->b.data, new_size)) == NULL) + return -errno; + if (old_data == d->data && d->b.data != old_data && old_size > 0) + memcpy(d->b.data, old_data, old_size); + d->b.size = new_size; + return 0; +} + +static inline void spa_pod_dynamic_builder_init(struct spa_pod_dynamic_builder *builder, + void *data, uint32_t size, uint32_t extend) +{ + static const struct spa_pod_builder_callbacks spa_pod_dynamic_builder_callbacks = { + SPA_VERSION_POD_BUILDER_CALLBACKS, + .overflow = spa_pod_dynamic_builder_overflow + }; + builder->b = SPA_POD_BUILDER_INIT(data, size); + spa_pod_builder_set_callbacks(&builder->b, &spa_pod_dynamic_builder_callbacks, builder); + builder->extend = extend; + builder->data = data; +} + +static inline void spa_pod_dynamic_builder_clean(struct spa_pod_dynamic_builder *builder) +{ + if (builder->data != builder->b.data) + free(builder->b.data); +} + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPA_POD_DYNAMIC_H */ |