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// This file was generated by gir (https://github.com/gtk-rs/gir) // from gir-files (https://github.com/gtk-rs/gir-files) // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git) // DO NOT EDIT use crate::Bin; use crate::ClockTime; use crate::DebugGraphDetails; use crate::DebugLevel; use crate::Element; #[cfg(any(feature = "v1_18", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))] use crate::PluginAPIFlags; #[cfg(any(feature = "v1_12", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))] use crate::StackTraceFlags; use glib::object::IsA; use glib::translate::*; use std::mem; use std::ptr; /// Adds a memory ringbuffer based debug logger that stores up to /// `max_size_per_thread` bytes of logs per thread and times out threads after /// `thread_timeout` seconds of inactivity. /// /// Logs can be fetched with [`debug_ring_buffer_logger_get_logs()`][crate::debug_ring_buffer_logger_get_logs()] and the /// logger can be removed again with [`debug_remove_ring_buffer_logger()`][crate::debug_remove_ring_buffer_logger()]. /// Only one logger at a time is possible. /// ## `max_size_per_thread` /// Maximum size of log per thread in bytes /// ## `thread_timeout` /// Timeout for threads in seconds #[cfg(any(feature = "v1_14", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))] #[doc(alias = "gst_debug_add_ring_buffer_logger")] pub fn debug_add_ring_buffer_logger(max_size_per_thread: u32, thread_timeout: u32) { skip_assert_initialized!(); unsafe { ffi::gst_debug_add_ring_buffer_logger(max_size_per_thread, thread_timeout); } } /// To aid debugging applications one can use this method to obtain the whole /// network of gstreamer elements that form the pipeline into a dot file. /// This data can be processed with graphviz to get an image. /// ## `bin` /// the top-level pipeline that should be analyzed /// ## `details` /// type of [`DebugGraphDetails`][crate::DebugGraphDetails] to use /// /// # Returns /// /// a string containing the pipeline in graphviz /// dot format. #[doc(alias = "gst_debug_bin_to_dot_data")] pub fn debug_bin_to_dot_data<P: IsA<Bin>>(bin: &P, details: DebugGraphDetails) -> glib::GString { skip_assert_initialized!(); unsafe { from_glib_full(ffi::gst_debug_bin_to_dot_data( bin.as_ref().to_glib_none().0, details.into_glib(), )) } } /// To aid debugging applications one can use this method to write out the whole /// network of gstreamer elements that form the pipeline into a dot file. /// This file can be processed with graphviz to get an image. /// /// ``` shell /// dot -Tpng -oimage.png graph_lowlevel.dot /// ``` /// ## `bin` /// the top-level pipeline that should be analyzed /// ## `details` /// type of [`DebugGraphDetails`][crate::DebugGraphDetails] to use /// ## `file_name` /// output base filename (e.g. "myplayer") #[doc(alias = "gst_debug_bin_to_dot_file")] pub fn debug_bin_to_dot_file<P: IsA<Bin>, Q: AsRef<std::path::Path>>( bin: &P, details: DebugGraphDetails, file_name: Q, ) { skip_assert_initialized!(); unsafe { ffi::gst_debug_bin_to_dot_file( bin.as_ref().to_glib_none().0, details.into_glib(), file_name.as_ref().to_glib_none().0, ); } } /// This works like [`debug_bin_to_dot_file()`][crate::debug_bin_to_dot_file()], but adds the current timestamp /// to the filename, so that it can be used to take multiple snapshots. /// ## `bin` /// the top-level pipeline that should be analyzed /// ## `details` /// type of [`DebugGraphDetails`][crate::DebugGraphDetails] to use /// ## `file_name` /// output base filename (e.g. "myplayer") #[doc(alias = "gst_debug_bin_to_dot_file_with_ts")] pub fn debug_bin_to_dot_file_with_ts<P: IsA<Bin>, Q: AsRef<std::path::Path>>( bin: &P, details: DebugGraphDetails, file_name: Q, ) { skip_assert_initialized!(); unsafe { ffi::gst_debug_bin_to_dot_file_with_ts( bin.as_ref().to_glib_none().0, details.into_glib(), file_name.as_ref().to_glib_none().0, ); } } /// Returns the default threshold that is used for new categories. /// /// # Returns /// /// the default threshold level #[doc(alias = "gst_debug_get_default_threshold")] pub fn debug_get_default_threshold() -> DebugLevel { skip_assert_initialized!(); unsafe { from_glib(ffi::gst_debug_get_default_threshold()) } } /// ## `flags` /// A set of [`StackTraceFlags`][crate::StackTraceFlags] to determine how the stack trace should /// look like. Pass `GST_STACK_TRACE_SHOW_NONE` to retrieve a minimal backtrace. /// /// # Returns /// /// a stack trace, if libunwind or glibc backtrace are /// present, else [`None`]. #[cfg(any(feature = "v1_12", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))] #[doc(alias = "gst_debug_get_stack_trace")] pub fn debug_get_stack_trace(flags: StackTraceFlags) -> Result<glib::GString, glib::BoolError> { skip_assert_initialized!(); unsafe { Option::<_>::from_glib_full(ffi::gst_debug_get_stack_trace(flags.into_glib())) .ok_or_else(|| glib::bool_error!("Failed to get stack trace")) } } /// Checks if debugging output is activated. /// /// # Returns /// /// [`true`], if debugging is activated #[doc(alias = "gst_debug_is_active")] pub fn debug_is_active() -> bool { skip_assert_initialized!(); unsafe { from_glib(ffi::gst_debug_is_active()) } } /// Checks if the debugging output should be colored. /// /// # Returns /// /// [`true`], if the debug output should be colored. #[doc(alias = "gst_debug_is_colored")] pub fn debug_is_colored() -> bool { skip_assert_initialized!(); unsafe { from_glib(ffi::gst_debug_is_colored()) } } /// If libunwind, glibc backtrace or DbgHelp are present /// a stack trace is printed. #[doc(alias = "gst_debug_print_stack_trace")] pub fn debug_print_stack_trace() { skip_assert_initialized!(); unsafe { ffi::gst_debug_print_stack_trace(); } } /// Removes any previously added ring buffer logger with /// [`debug_add_ring_buffer_logger()`][crate::debug_add_ring_buffer_logger()]. #[cfg(any(feature = "v1_14", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))] #[doc(alias = "gst_debug_remove_ring_buffer_logger")] pub fn debug_remove_ring_buffer_logger() { skip_assert_initialized!(); unsafe { ffi::gst_debug_remove_ring_buffer_logger(); } } /// Fetches the current logs per thread from the ring buffer logger. See /// [`debug_add_ring_buffer_logger()`][crate::debug_add_ring_buffer_logger()] for details. /// /// # Returns /// /// NULL-terminated array of /// strings with the debug output per thread #[cfg(any(feature = "v1_14", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))] #[doc(alias = "gst_debug_ring_buffer_logger_get_logs")] pub fn debug_ring_buffer_logger_get_logs() -> Vec<glib::GString> { skip_assert_initialized!(); unsafe { FromGlibPtrContainer::from_glib_full(ffi::gst_debug_ring_buffer_logger_get_logs()) } } /// If activated, debugging messages are sent to the debugging /// handlers. /// It makes sense to deactivate it for speed issues. /// > This function is not threadsafe. It makes sense to only call it /// during initialization. /// ## `active` /// Whether to use debugging output or not #[doc(alias = "gst_debug_set_active")] pub fn debug_set_active(active: bool) { skip_assert_initialized!(); unsafe { ffi::gst_debug_set_active(active.into_glib()); } } /// Sets or unsets the use of coloured debugging output. /// Same as gst_debug_set_color_mode () with the argument being /// being GST_DEBUG_COLOR_MODE_ON or GST_DEBUG_COLOR_MODE_OFF. /// /// This function may be called before `gst_init()`. /// ## `colored` /// Whether to use colored output or not #[doc(alias = "gst_debug_set_colored")] pub fn debug_set_colored(colored: bool) { skip_assert_initialized!(); unsafe { ffi::gst_debug_set_colored(colored.into_glib()); } } /// Sets the default threshold to the given level and updates all categories to /// use this threshold. /// /// This function may be called before `gst_init()`. /// ## `level` /// level to set #[doc(alias = "gst_debug_set_default_threshold")] pub fn debug_set_default_threshold(level: DebugLevel) { skip_assert_initialized!(); unsafe { ffi::gst_debug_set_default_threshold(level.into_glib()); } } /// Sets all categories which match the given glob style pattern to the given /// level. /// ## `name` /// name of the categories to set /// ## `level` /// level to set them to #[doc(alias = "gst_debug_set_threshold_for_name")] pub fn debug_set_threshold_for_name(name: &str, level: DebugLevel) { skip_assert_initialized!(); unsafe { ffi::gst_debug_set_threshold_for_name(name.to_glib_none().0, level.into_glib()); } } /// Sets the debug logging wanted in the same form as with the GST_DEBUG /// environment variable. You can use wildcards such as '*', but note that /// the order matters when you use wild cards, e.g. "foosrc:6,*src:3,*:2" sets /// everything to log level 2. /// ## `list` /// comma-separated list of "category:level" pairs to be used /// as debug logging levels /// ## `reset` /// [`true`] to clear all previously-set debug levels before setting /// new thresholds /// [`false`] if adding the threshold described by `list` to the one already set. #[doc(alias = "gst_debug_set_threshold_from_string")] pub fn debug_set_threshold_from_string(list: &str, reset: bool) { skip_assert_initialized!(); unsafe { ffi::gst_debug_set_threshold_from_string(list.to_glib_none().0, reset.into_glib()); } } /// Resets all categories with the given name back to the default level. /// ## `name` /// name of the categories to set #[doc(alias = "gst_debug_unset_threshold_for_name")] pub fn debug_unset_threshold_for_name(name: &str) { skip_assert_initialized!(); unsafe { ffi::gst_debug_unset_threshold_for_name(name.to_glib_none().0); } } /// This helper is mostly helpful for plugins that need to /// inspect the folder of the main executable to determine /// their set of features. /// /// When a plugin is initialized from the gst-plugin-scanner /// external process, the returned path will be the same as from the /// parent process. /// /// # Returns /// /// The path of the executable that /// initialized GStreamer, or [`None`] if it could not be determined. #[cfg(any(feature = "v1_14", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))] #[doc(alias = "gst_get_main_executable_path")] #[doc(alias = "get_main_executable_path")] pub fn main_executable_path() -> Result<glib::GString, glib::BoolError> { assert_initialized_main_thread!(); unsafe { Option::<_>::from_glib_none(ffi::gst_get_main_executable_path()) .ok_or_else(|| glib::bool_error!("Failed to get main executable path")) } } /// This is a convenience wrapper around [`parse_launch()`][crate::parse_launch()] to create a /// [`Bin`][crate::Bin] from a gst-launch-style pipeline description. See /// [`parse_launch()`][crate::parse_launch()] and the gst-launch man page for details about the /// syntax. Ghost pads on the bin for unlinked source or sink pads /// within the bin can automatically be created (but only a maximum of /// one ghost pad for each direction will be created; if you expect /// multiple unlinked source pads or multiple unlinked sink pads /// and want them all ghosted, you will have to create the ghost pads /// yourself). /// ## `bin_description` /// command line describing the bin /// ## `ghost_unlinked_pads` /// whether to automatically create ghost pads /// for unlinked source or sink pads within the bin /// /// # Returns /// /// a /// newly-created bin, or [`None`] if an error occurred. #[doc(alias = "gst_parse_bin_from_description")] pub fn parse_bin_from_description( bin_description: &str, ghost_unlinked_pads: bool, ) -> Result<Bin, glib::Error> { assert_initialized_main_thread!(); unsafe { let mut error = ptr::null_mut(); let ret = ffi::gst_parse_bin_from_description( bin_description.to_glib_none().0, ghost_unlinked_pads.into_glib(), &mut error, ); if error.is_null() { Ok(from_glib_none(ret)) } else { Err(from_glib_full(error)) } } } /// Create a new pipeline based on command line syntax. /// Please note that you might get a return value that is not [`None`] even though /// the `error` is set. In this case there was a recoverable parsing error and you /// can try to play the pipeline. /// /// To create a sub-pipeline (bin) for embedding into an existing pipeline /// use [`parse_bin_from_description()`][crate::parse_bin_from_description()]. /// ## `pipeline_description` /// the command line describing the pipeline /// /// # Returns /// /// a new element on success, [`None`] on /// failure. If more than one toplevel element is specified by the /// `pipeline_description`, all elements are put into a [`Pipeline`][crate::Pipeline], which /// than is returned. #[doc(alias = "gst_parse_launch")] pub fn parse_launch(pipeline_description: &str) -> Result<Element, glib::Error> { assert_initialized_main_thread!(); unsafe { let mut error = ptr::null_mut(); let ret = ffi::gst_parse_launch(pipeline_description.to_glib_none().0, &mut error); if error.is_null() { Ok(from_glib_none(ret)) } else { Err(from_glib_full(error)) } } } /// Create a new element based on command line syntax. /// `error` will contain an error message if an erroneous pipeline is specified. /// An error does not mean that the pipeline could not be constructed. /// ## `argv` /// null-terminated array of arguments /// /// # Returns /// /// a new element on success and [`None`] /// on failure. #[doc(alias = "gst_parse_launchv")] pub fn parse_launchv(argv: &[&str]) -> Result<Element, glib::Error> { assert_initialized_main_thread!(); unsafe { let mut error = ptr::null_mut(); let ret = ffi::gst_parse_launchv(argv.to_glib_none().0, &mut error); if error.is_null() { Ok(from_glib_none(ret)) } else { Err(from_glib_full(error)) } } } //#[cfg(any(feature = "v1_18", feature = "dox"))] //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))] //#[doc(alias = "gst_tracing_get_active_tracers")] //pub fn tracing_get_active_tracers() -> /*Ignored*/Vec<Tracer> { // unsafe { TODO: call ffi:gst_tracing_get_active_tracers() } //} //#[doc(alias = "gst_tracing_register_hook")] //pub fn tracing_register_hook<P: FnOnce() + Send + Sync + 'static>(tracer: /*Ignored*/&Tracer, detail: &str, func: P) { // unsafe { TODO: call ffi:gst_tracing_register_hook() } //} /// Marks `type_` as plugin API. This should be called in `class_init` of /// elements that expose new types (i.e. enums, flags or internal GObjects) via /// properties, signals or pad templates. /// /// Types exposed by plugins are not automatically added to the documentation /// as they might originate from another library and should in that case be /// documented via that library instead. /// /// By marking a type as plugin API it will be included in the documentation of /// the plugin that defines it. /// ## `type_` /// a GType /// ## `flags` /// a set of [`PluginAPIFlags`][crate::PluginAPIFlags] to further inform cache generation. #[cfg(any(feature = "v1_18", feature = "dox"))] #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))] #[doc(alias = "gst_type_mark_as_plugin_api")] pub fn type_mark_as_plugin_api(type_: glib::types::Type, flags: PluginAPIFlags) { assert_initialized_main_thread!(); unsafe { ffi::gst_type_mark_as_plugin_api(type_.into_glib(), flags.into_glib()); } } /// Forces GStreamer to re-scan its plugin paths and update the default /// plugin registry. /// /// Applications will almost never need to call this function, it is only /// useful if the application knows new plugins have been installed (or old /// ones removed) since the start of the application (or, to be precise, the /// first call to `gst_init()`) and the application wants to make use of any /// newly-installed plugins without restarting the application. /// /// Applications should assume that the registry update is neither atomic nor /// thread-safe and should therefore not have any dynamic pipelines running /// (including the playbin and decodebin elements) and should also not create /// any elements or access the GStreamer registry while the update is in /// progress. /// /// Note that this function may block for a significant amount of time. /// /// # Returns /// /// [`true`] if the registry has been updated successfully (does not /// imply that there were changes), otherwise [`false`]. #[doc(alias = "gst_update_registry")] pub fn update_registry() -> Result<(), glib::error::BoolError> { assert_initialized_main_thread!(); unsafe { glib::result_from_gboolean!(ffi::gst_update_registry(), "Failed to update the registry") } } /// Get a timestamp as GstClockTime to be used for interval measurements. /// The timestamp should not be interpreted in any other way. /// /// # Returns /// /// the timestamp #[doc(alias = "gst_util_get_timestamp")] pub fn util_get_timestamp() -> ClockTime { skip_assert_initialized!(); unsafe { try_from_glib(ffi::gst_util_get_timestamp()).expect("mandatory glib value is None") } } /// Gets the version number of the GStreamer library. /// /// # Returns /// /// /// ## `major` /// pointer to a guint to store the major version number /// /// ## `minor` /// pointer to a guint to store the minor version number /// /// ## `micro` /// pointer to a guint to store the micro version number /// /// ## `nano` /// pointer to a guint to store the nano version number #[doc(alias = "gst_version")] pub fn version() -> (u32, u32, u32, u32) { skip_assert_initialized!(); unsafe { let mut major = mem::MaybeUninit::uninit(); let mut minor = mem::MaybeUninit::uninit(); let mut micro = mem::MaybeUninit::uninit(); let mut nano = mem::MaybeUninit::uninit(); ffi::gst_version( major.as_mut_ptr(), minor.as_mut_ptr(), micro.as_mut_ptr(), nano.as_mut_ptr(), ); let major = major.assume_init(); let minor = minor.assume_init(); let micro = micro.assume_init(); let nano = nano.assume_init(); (major, minor, micro, nano) } } /// This function returns a string that is useful for describing this version /// of GStreamer to the outside world: user agent strings, logging, ... /// /// # Returns /// /// a newly allocated string describing this version /// of GStreamer. #[doc(alias = "gst_version_string")] pub fn version_string() -> glib::GString { skip_assert_initialized!(); unsafe { from_glib_full(ffi::gst_version_string()) } }