diff options
Diffstat (limited to 'third_party/pipewire/libpipewire/mozpipewire.cpp')
| -rw-r--r-- | third_party/pipewire/libpipewire/mozpipewire.cpp | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/third_party/pipewire/libpipewire/mozpipewire.cpp b/third_party/pipewire/libpipewire/mozpipewire.cpp new file mode 100644 index 0000000000..1ecfc3196a --- /dev/null +++ b/third_party/pipewire/libpipewire/mozpipewire.cpp @@ -0,0 +1,368 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=4:tabstop=4: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <glib.h> +#include "mozilla/Types.h" +#include "prlink.h" + +#include <pipewire/pipewire.h> + +#define GET_FUNC(func, lib) \ + func##_fn = \ + (decltype(func##_fn))PR_FindFunctionSymbol(lib, #func) \ + +#define IS_FUNC_LOADED(func) \ + (func != nullptr) \ + +struct GUnixFDList; + +extern "C" gint +g_unix_fd_list_get(struct GUnixFDList *list, + gint index_, + GError **error) +{ + static PRLibrary* gioLib = nullptr; + static bool gioInitialized = false; + static gint (*g_unix_fd_list_get_fn)(struct GUnixFDList *list, + gint index_, GError **error) = nullptr; + + if (!gioInitialized) { + gioInitialized = true; + gioLib = PR_LoadLibrary("libgio-2.0.so.0"); + if (!gioLib) { + return -1; + } + GET_FUNC(g_unix_fd_list_get, gioLib); + } + + if (!g_unix_fd_list_get_fn) { + return -1; + } + + return g_unix_fd_list_get_fn(list, index_, error); +} + +static struct pw_core * (*pw_context_connect_fn)(struct pw_context *context, + struct pw_properties *properties, + size_t user_data_size); +static struct pw_core * (*pw_context_connect_fd_fn)(struct pw_context *context, + int fd, + struct pw_properties *properties, + size_t user_data_size); +static void (*pw_context_destroy_fn)(struct pw_context *context); +struct pw_context * (*pw_context_new_fn)(struct pw_loop *main_loop, + struct pw_properties *props, + size_t user_data_size); +static int (*pw_core_disconnect_fn)(struct pw_core *core); +static void (*pw_init_fn)(int *argc, char **argv[]); +static void (*pw_stream_add_listener_fn)(struct pw_stream *stream, + struct spa_hook *listener, + const struct pw_stream_events *events, + void *data); +static int (*pw_stream_connect_fn)(struct pw_stream *stream, + enum pw_direction direction, + uint32_t target_id, + enum pw_stream_flags flags, + const struct spa_pod **params, + uint32_t n_params); +static struct pw_buffer* (*pw_stream_dequeue_buffer_fn)(struct pw_stream *stream); +static void (*pw_stream_destroy_fn)(struct pw_stream *stream); +static struct pw_stream* (*pw_stream_new_fn)(struct pw_core *core, + const char *name, + struct pw_properties *props); +static int (*pw_stream_queue_buffer_fn)(struct pw_stream *stream, + struct pw_buffer *buffer); +static int (*pw_stream_update_params_fn)(struct pw_stream *stream, + const struct spa_pod **params, + uint32_t n_params); +static void (*pw_thread_loop_destroy_fn)(struct pw_thread_loop *loop); +static struct pw_loop* (*pw_thread_loop_get_loop_fn)(struct pw_thread_loop *loop); +static struct pw_thread_loop* (*pw_thread_loop_new_fn)(const char *name, + const struct spa_dict *props); +static int (*pw_thread_loop_start_fn)(struct pw_thread_loop *loop); +static void (*pw_thread_loop_stop_fn)(struct pw_thread_loop *loop); +static void (*pw_thread_loop_lock_fn)(struct pw_thread_loop *loop); +static void (*pw_thread_loop_unlock_fn)(struct pw_thread_loop *loop); +static struct pw_properties* (*pw_properties_new_string_fn)(const char *str); + +bool IsPwLibraryLoaded() { + static bool isLoaded = + (IS_FUNC_LOADED(pw_context_connect_fn) && + IS_FUNC_LOADED(pw_context_connect_fd_fn) && + IS_FUNC_LOADED(pw_context_destroy_fn) && + IS_FUNC_LOADED(pw_context_new_fn) && + IS_FUNC_LOADED(pw_core_disconnect_fn) && + IS_FUNC_LOADED(pw_init_fn) && + IS_FUNC_LOADED(pw_stream_add_listener_fn) && + IS_FUNC_LOADED(pw_stream_connect_fn) && + IS_FUNC_LOADED(pw_stream_dequeue_buffer_fn) && + IS_FUNC_LOADED(pw_stream_destroy_fn) && + IS_FUNC_LOADED(pw_stream_new_fn) && + IS_FUNC_LOADED(pw_stream_queue_buffer_fn) && + IS_FUNC_LOADED(pw_stream_update_params_fn) && + IS_FUNC_LOADED(pw_thread_loop_destroy_fn) && + IS_FUNC_LOADED(pw_thread_loop_get_loop_fn) && + IS_FUNC_LOADED(pw_thread_loop_new_fn) && + IS_FUNC_LOADED(pw_thread_loop_start_fn) && + IS_FUNC_LOADED(pw_thread_loop_stop_fn) && + IS_FUNC_LOADED(pw_thread_loop_lock_fn) && + IS_FUNC_LOADED(pw_thread_loop_unlock_fn) && + IS_FUNC_LOADED(pw_properties_new_string_fn)); + + return isLoaded; +} + +bool LoadPWLibrary() { + static PRLibrary* pwLib = nullptr; + static bool pwInitialized = false; + + //TODO Thread safe + if (!pwInitialized) { + pwInitialized = true; + pwLib = PR_LoadLibrary("libpipewire-0.3.so.0"); + if (!pwLib) { + return false; + } + + GET_FUNC(pw_context_connect, pwLib); + GET_FUNC(pw_context_connect_fd, pwLib); + GET_FUNC(pw_context_destroy, pwLib); + GET_FUNC(pw_context_new, pwLib); + GET_FUNC(pw_core_disconnect, pwLib); + GET_FUNC(pw_init, pwLib); + GET_FUNC(pw_stream_add_listener, pwLib); + GET_FUNC(pw_stream_connect, pwLib); + GET_FUNC(pw_stream_dequeue_buffer, pwLib); + GET_FUNC(pw_stream_destroy, pwLib); + GET_FUNC(pw_stream_new, pwLib); + GET_FUNC(pw_stream_queue_buffer, pwLib); + GET_FUNC(pw_stream_update_params, pwLib); + GET_FUNC(pw_thread_loop_destroy, pwLib); + GET_FUNC(pw_thread_loop_get_loop, pwLib); + GET_FUNC(pw_thread_loop_new, pwLib); + GET_FUNC(pw_thread_loop_start, pwLib); + GET_FUNC(pw_thread_loop_stop, pwLib); + GET_FUNC(pw_thread_loop_lock, pwLib); + GET_FUNC(pw_thread_loop_unlock, pwLib); + GET_FUNC(pw_properties_new_string, pwLib); + } + + return IsPwLibraryLoaded(); +} + +struct pw_core * +pw_context_connect(struct pw_context *context, + struct pw_properties *properties, + size_t user_data_size) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_context_connect_fn(context, properties, user_data_size); +} + +struct pw_core * +pw_context_connect_fd(struct pw_context *context, + int fd, + struct pw_properties *properties, + size_t user_data_size) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_context_connect_fd_fn(context, fd, properties, user_data_size); +} + +void +pw_context_destroy(struct pw_context *context) +{ + if (!LoadPWLibrary()) { + return; + } + pw_context_destroy_fn(context); +} + +struct pw_context * +pw_context_new(struct pw_loop *main_loop, + struct pw_properties *props, + size_t user_data_size) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_context_new_fn(main_loop, props, user_data_size); +} + +int +pw_core_disconnect(struct pw_core *core) +{ + if (!LoadPWLibrary()) { + return 0; + } + return pw_core_disconnect_fn(core); +} + +void +pw_init(int *argc, char **argv[]) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_init_fn(argc, argv); +} + +void +pw_stream_add_listener(struct pw_stream *stream, + struct spa_hook *listener, + const struct pw_stream_events *events, + void *data) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_stream_add_listener_fn(stream, listener, events, data); +} + +int +pw_stream_connect(struct pw_stream *stream, + enum pw_direction direction, + uint32_t target_id, + enum pw_stream_flags flags, + const struct spa_pod **params, + uint32_t n_params) +{ + if (!LoadPWLibrary()) { + return 0; + } + return pw_stream_connect_fn(stream, direction, target_id, flags, + params, n_params); +} + +struct pw_buffer * +pw_stream_dequeue_buffer(struct pw_stream *stream) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_stream_dequeue_buffer_fn(stream); +} + +void +pw_stream_destroy(struct pw_stream *stream) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_stream_destroy_fn(stream); +} + +struct pw_stream * +pw_stream_new(struct pw_core *core, + const char *name, + struct pw_properties *props) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_stream_new_fn(core, name, props); +} + +int +pw_stream_queue_buffer(struct pw_stream *stream, + struct pw_buffer *buffer) +{ + if (!LoadPWLibrary()) { + return 0; + } + return pw_stream_queue_buffer_fn(stream, buffer); +} + +int +pw_stream_update_params(struct pw_stream *stream, + const struct spa_pod **params, + uint32_t n_params) +{ + if (!LoadPWLibrary()) { + return 0; + } + return pw_stream_update_params_fn(stream, params, n_params); +} + +void +pw_thread_loop_destroy(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_thread_loop_destroy_fn(loop); +} + +struct pw_loop * +pw_thread_loop_get_loop(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_thread_loop_get_loop_fn(loop); +} + +struct pw_thread_loop * +pw_thread_loop_new(const char *name, + const struct spa_dict *props) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_thread_loop_new_fn(name, props); +} + +int +pw_thread_loop_start(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return 0; + } + return pw_thread_loop_start_fn(loop); +} + +void +pw_thread_loop_stop(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_thread_loop_stop_fn(loop); +} + +void +pw_thread_loop_lock(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_thread_loop_lock_fn(loop); +} + +void +pw_thread_loop_unlock(struct pw_thread_loop *loop) +{ + if (!LoadPWLibrary()) { + return; + } + return pw_thread_loop_unlock_fn(loop); +} + + +struct pw_properties * +pw_properties_new_string(const char *str) +{ + if (!LoadPWLibrary()) { + return nullptr; + } + return pw_properties_new_string_fn(str); +} + |