mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-12-27 02:20:30 +00:00
gstreamer-app: Update manual code to 2018 edition
This commit is contained in:
parent
e7843d68d0
commit
5a70dd1756
4 changed files with 62 additions and 105 deletions
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@ -11,19 +11,17 @@ homepage = "https://gstreamer.freedesktop.org"
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documentation = "https://gstreamer.pages.freedesktop.org/gstreamer-rs/gstreamer_app/"
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keywords = ["gstreamer", "multimedia", "audio", "video", "gnome"]
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build = "build.rs"
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edition = "2018"
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[dependencies]
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futures-core = "0.3"
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futures-sink = "0.3"
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bitflags = "1.0"
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libc = "0.2"
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glib-sys = { git = "https://github.com/gtk-rs/gtk-rs" }
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gobject-sys = { git = "https://github.com/gtk-rs/gtk-rs" }
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gstreamer-sys = { path = "../gstreamer/sys", features = ["v1_8"] }
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gstreamer-app-sys = { path = "../gstreamer-app/sys", features = ["v1_8"] }
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ffi = { package = "gstreamer-app-sys", path = "../gstreamer-app/sys", features = ["v1_8"] }
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glib = { git = "https://github.com/gtk-rs/gtk-rs" }
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gstreamer = { path = "../gstreamer" }
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gstreamer-base = { path = "../gstreamer-base" }
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gst = { package = "gstreamer", path = "../gstreamer" }
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gst-base = { package = "gstreamer-base", path = "../gstreamer-base" }
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once_cell = "1.0"
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[build-dependencies]
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@ -35,14 +33,14 @@ futures-executor = "0.3"
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[features]
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default = []
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v1_10 = ["gstreamer/v1_10", "gstreamer-base/v1_10", "gstreamer-app-sys/v1_10"]
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v1_12 = ["gstreamer/v1_12", "gstreamer-base/v1_12", "gstreamer-app-sys/v1_12", "v1_10"]
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v1_14 = ["gstreamer/v1_14", "gstreamer-base/v1_14", "gstreamer-app-sys/v1_14", "v1_12"]
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v1_16 = ["gstreamer/v1_16", "gstreamer-base/v1_16", "gstreamer-app-sys/v1_16", "v1_14"]
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v1_18 = ["gstreamer/v1_18", "gstreamer-base/v1_18", "gstreamer-app-sys/v1_18", "v1_16"]
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v1_10 = ["gst/v1_10", "gst-base/v1_10", "ffi/v1_10"]
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v1_12 = ["gst/v1_12", "gst-base/v1_12", "ffi/v1_12", "v1_10"]
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v1_14 = ["gst/v1_14", "gst-base/v1_14", "ffi/v1_14", "v1_12"]
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v1_16 = ["gst/v1_16", "gst-base/v1_16", "ffi/v1_16", "v1_14"]
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v1_18 = ["gst/v1_18", "gst-base/v1_18", "ffi/v1_18", "v1_16"]
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embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
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purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
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dox = ["v1_18", "gstreamer-app-sys/dox", "glib/dox", "gstreamer/dox", "gstreamer-base/dox"]
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dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
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[package.metadata.docs.rs]
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features = ["dox", "embed-lgpl-docs"]
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@ -6,22 +6,18 @@
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use crate::AppSink;
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use glib::ffi::gpointer;
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use glib::object::ObjectType;
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use glib::signal::connect_raw;
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use glib::signal::SignalHandlerId;
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use glib::translate::*;
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use glib_sys::gpointer;
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use gst;
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use gst::gst_element_error;
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use gst_app_sys;
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use gst_sys;
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use std::boxed::Box as Box_;
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use std::cell::RefCell;
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use std::mem::transmute;
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use std::panic;
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use std::ptr;
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use std::sync::atomic::{AtomicBool, Ordering};
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use AppSink;
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#[cfg(any(feature = "v1_10"))]
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use {
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@ -48,7 +44,7 @@ pub struct AppSinkCallbacks {
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>,
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>,
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panicked: AtomicBool,
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callbacks: gst_app_sys::GstAppSinkCallbacks,
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callbacks: ffi::GstAppSinkCallbacks,
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}
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unsafe impl Send for AppSinkCallbacks {}
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@ -122,7 +118,7 @@ impl AppSinkCallbacksBuilder {
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new_preroll: self.new_preroll,
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new_sample: self.new_sample,
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panicked: AtomicBool::new(false),
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callbacks: gst_app_sys::GstAppSinkCallbacks {
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callbacks: ffi::GstAppSinkCallbacks {
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eos: if have_eos { Some(trampoline_eos) } else { None },
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new_preroll: if have_new_preroll {
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Some(trampoline_new_preroll)
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@ -148,21 +144,21 @@ impl AppSinkCallbacksBuilder {
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fn post_panic_error_message(element: &AppSink, err: &dyn std::any::Any) {
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skip_assert_initialized!();
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if let Some(cause) = err.downcast_ref::<&str>() {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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} else if let Some(cause) = err.downcast_ref::<String>() {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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} else {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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}
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}
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unsafe extern "C" fn trampoline_eos(appsink: *mut gst_app_sys::GstAppSink, callbacks: gpointer) {
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unsafe extern "C" fn trampoline_eos(appsink: *mut ffi::GstAppSink, callbacks: gpointer) {
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let callbacks = &*(callbacks as *const AppSinkCallbacks);
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return;
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}
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@ -181,15 +177,15 @@ unsafe extern "C" fn trampoline_eos(appsink: *mut gst_app_sys::GstAppSink, callb
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}
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unsafe extern "C" fn trampoline_new_preroll(
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appsink: *mut gst_app_sys::GstAppSink,
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appsink: *mut ffi::GstAppSink,
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callbacks: gpointer,
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) -> gst_sys::GstFlowReturn {
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) -> gst::ffi::GstFlowReturn {
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let callbacks = &*(callbacks as *const AppSinkCallbacks);
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return gst::FlowReturn::Error.to_glib();
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}
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@ -214,15 +210,15 @@ unsafe extern "C" fn trampoline_new_preroll(
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}
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unsafe extern "C" fn trampoline_new_sample(
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appsink: *mut gst_app_sys::GstAppSink,
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appsink: *mut ffi::GstAppSink,
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callbacks: gpointer,
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) -> gst_sys::GstFlowReturn {
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) -> gst::ffi::GstFlowReturn {
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let callbacks = &*(callbacks as *const AppSinkCallbacks);
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSink> = from_glib_borrow(appsink);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return gst::FlowReturn::Error.to_glib();
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}
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@ -262,20 +258,20 @@ impl AppSink {
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// This is not thread-safe before 1.16.3, see
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// https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/merge_requests/570
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if gst::version() < (1, 16, 3, 0) {
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if !gobject_sys::g_object_get_qdata(sink as *mut _, SET_ONCE_QUARK.to_glib())
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if !glib::gobject_ffi::g_object_get_qdata(sink as *mut _, SET_ONCE_QUARK.to_glib())
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.is_null()
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{
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panic!("AppSink callbacks can only be set once");
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}
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gobject_sys::g_object_set_qdata(
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glib::gobject_ffi::g_object_set_qdata(
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sink as *mut _,
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SET_ONCE_QUARK.to_glib(),
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1 as *mut _,
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);
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}
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gst_app_sys::gst_app_sink_set_callbacks(
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ffi::gst_app_sink_set_callbacks(
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sink,
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mut_override(&callbacks.callbacks),
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Box::into_raw(Box::new(callbacks)) as *mut _,
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@ -331,9 +327,9 @@ impl AppSink {
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unsafe extern "C" fn new_sample_trampoline<
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F: Fn(&AppSink) -> Result<gst::FlowSuccess, gst::FlowError> + Send + 'static,
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>(
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this: *mut gst_app_sys::GstAppSink,
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f: glib_sys::gpointer,
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) -> gst_sys::GstFlowReturn {
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this: *mut ffi::GstAppSink,
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f: glib::ffi::gpointer,
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) -> gst::ffi::GstFlowReturn {
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let f: &F = &*(f as *const F);
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let ret: gst::FlowReturn = f(&from_glib_borrow(this)).into();
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ret.to_glib()
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@ -342,9 +338,9 @@ unsafe extern "C" fn new_sample_trampoline<
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unsafe extern "C" fn new_preroll_trampoline<
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F: Fn(&AppSink) -> Result<gst::FlowSuccess, gst::FlowError> + Send + 'static,
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>(
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this: *mut gst_app_sys::GstAppSink,
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f: glib_sys::gpointer,
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) -> gst_sys::GstFlowReturn {
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this: *mut ffi::GstAppSink,
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f: glib::ffi::gpointer,
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) -> gst::ffi::GstFlowReturn {
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let f: &F = &*(f as *const F);
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let ret: gst::FlowReturn = f(&from_glib_borrow(this)).into();
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ret.to_glib()
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@ -7,13 +7,11 @@
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// except according to those terms.
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use futures_sink::Sink;
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use glib::ffi::{gboolean, gpointer};
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use glib::prelude::*;
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use glib::translate::*;
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use glib_sys::{gboolean, gpointer};
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use gst;
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use gst::gst_element_error;
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use gst_app_sys;
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use crate::AppSrc;
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use std::cell::RefCell;
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use std::mem;
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use std::panic;
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@ -22,7 +20,6 @@ use std::ptr;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::{Arc, Mutex};
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use std::task::{Context, Poll, Waker};
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use AppSrc;
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#[allow(clippy::type_complexity)]
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pub struct AppSrcCallbacks {
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@ -30,7 +27,7 @@ pub struct AppSrcCallbacks {
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enough_data: Option<Box<dyn Fn(&AppSrc) + Send + Sync + 'static>>,
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seek_data: Option<Box<dyn Fn(&AppSrc, u64) -> bool + Send + Sync + 'static>>,
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panicked: AtomicBool,
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callbacks: gst_app_sys::GstAppSrcCallbacks,
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callbacks: ffi::GstAppSrcCallbacks,
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}
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unsafe impl Send for AppSrcCallbacks {}
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@ -90,7 +87,7 @@ impl AppSrcCallbacksBuilder {
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enough_data: self.enough_data,
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seek_data: self.seek_data,
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panicked: AtomicBool::new(false),
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callbacks: gst_app_sys::GstAppSrcCallbacks {
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callbacks: ffi::GstAppSrcCallbacks {
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need_data: if have_need_data {
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Some(trampoline_need_data)
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} else {
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@ -120,16 +117,16 @@ impl AppSrcCallbacksBuilder {
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fn post_panic_error_message(element: &AppSrc, err: &dyn std::any::Any) {
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skip_assert_initialized!();
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if let Some(cause) = err.downcast_ref::<&str>() {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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} else if let Some(cause) = err.downcast_ref::<String>() {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked: {}", cause]);
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} else {
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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}
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}
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unsafe extern "C" fn trampoline_need_data(
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appsrc: *mut gst_app_sys::GstAppSrc,
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appsrc: *mut ffi::GstAppSrc,
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length: u32,
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callbacks: gpointer,
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) {
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@ -138,7 +135,7 @@ unsafe extern "C" fn trampoline_need_data(
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSrc> = from_glib_borrow(appsrc);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return;
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}
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@ -156,16 +153,13 @@ unsafe extern "C" fn trampoline_need_data(
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}
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}
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unsafe extern "C" fn trampoline_enough_data(
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appsrc: *mut gst_app_sys::GstAppSrc,
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callbacks: gpointer,
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) {
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unsafe extern "C" fn trampoline_enough_data(appsrc: *mut ffi::GstAppSrc, callbacks: gpointer) {
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let callbacks = &*(callbacks as *const AppSrcCallbacks);
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let element: Borrowed<AppSrc> = from_glib_borrow(appsrc);
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSrc> = from_glib_borrow(appsrc);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return;
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}
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@ -182,7 +176,7 @@ unsafe extern "C" fn trampoline_enough_data(
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}
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unsafe extern "C" fn trampoline_seek_data(
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appsrc: *mut gst_app_sys::GstAppSrc,
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appsrc: *mut ffi::GstAppSrc,
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offset: u64,
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callbacks: gpointer,
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) -> gboolean {
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@ -191,7 +185,7 @@ unsafe extern "C" fn trampoline_seek_data(
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if callbacks.panicked.load(Ordering::Relaxed) {
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let element: Borrowed<AppSrc> = from_glib_borrow(appsrc);
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gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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gst::gst_element_error!(&element, gst::LibraryError::Failed, ["Panicked"]);
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return false.to_glib();
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}
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@ -220,17 +214,14 @@ unsafe extern "C" fn destroy_callbacks(ptr: gpointer) {
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impl AppSrc {
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pub fn end_of_stream(&self) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(gst_app_sys::gst_app_src_end_of_stream(
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self.to_glib_none().0,
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))
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};
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let ret: gst::FlowReturn =
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unsafe { from_glib(ffi::gst_app_src_end_of_stream(self.to_glib_none().0)) };
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ret.into_result()
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}
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pub fn push_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(gst_app_sys::gst_app_src_push_buffer(
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from_glib(ffi::gst_app_src_push_buffer(
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self.to_glib_none().0,
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buffer.into_ptr(),
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))
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@ -245,7 +236,7 @@ impl AppSrc {
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list: gst::BufferList,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(gst_app_sys::gst_app_src_push_buffer_list(
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from_glib(ffi::gst_app_src_push_buffer_list(
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self.to_glib_none().0,
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list.into_ptr(),
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))
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@ -255,7 +246,7 @@ impl AppSrc {
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pub fn push_sample(&self, sample: &gst::Sample) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(gst_app_sys::gst_app_src_push_sample(
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from_glib(ffi::gst_app_src_push_sample(
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self.to_glib_none().0,
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sample.to_glib_none().0,
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))
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@ -273,20 +264,20 @@ impl AppSrc {
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// This is not thread-safe before 1.16.3, see
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// https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/merge_requests/570
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if gst::version() < (1, 16, 3, 0) {
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if !gobject_sys::g_object_get_qdata(src as *mut _, SET_ONCE_QUARK.to_glib())
|
||||
if !glib::gobject_ffi::g_object_get_qdata(src as *mut _, SET_ONCE_QUARK.to_glib())
|
||||
.is_null()
|
||||
{
|
||||
panic!("AppSrc callbacks can only be set once");
|
||||
}
|
||||
|
||||
gobject_sys::g_object_set_qdata(
|
||||
glib::gobject_ffi::g_object_set_qdata(
|
||||
src as *mut _,
|
||||
SET_ONCE_QUARK.to_glib(),
|
||||
1 as *mut _,
|
||||
);
|
||||
}
|
||||
|
||||
gst_app_sys::gst_app_src_set_callbacks(
|
||||
ffi::gst_app_src_set_callbacks(
|
||||
src,
|
||||
mut_override(&callbacks.callbacks),
|
||||
Box::into_raw(Box::new(callbacks)) as *mut _,
|
||||
|
@ -297,11 +288,7 @@ impl AppSrc {
|
|||
|
||||
pub fn set_latency(&self, min: gst::ClockTime, max: gst::ClockTime) {
|
||||
unsafe {
|
||||
gst_app_sys::gst_app_src_set_latency(
|
||||
self.to_glib_none().0,
|
||||
min.to_glib(),
|
||||
max.to_glib(),
|
||||
);
|
||||
ffi::gst_app_src_set_latency(self.to_glib_none().0, min.to_glib(), max.to_glib());
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -309,11 +296,7 @@ impl AppSrc {
|
|||
unsafe {
|
||||
let mut min = mem::MaybeUninit::uninit();
|
||||
let mut max = mem::MaybeUninit::uninit();
|
||||
gst_app_sys::gst_app_src_get_latency(
|
||||
self.to_glib_none().0,
|
||||
min.as_mut_ptr(),
|
||||
max.as_mut_ptr(),
|
||||
);
|
||||
ffi::gst_app_src_get_latency(self.to_glib_none().0, min.as_mut_ptr(), max.as_mut_ptr());
|
||||
(from_glib(min.assume_init()), from_glib(max.assume_init()))
|
||||
}
|
||||
}
|
||||
|
|
|
@ -8,27 +8,7 @@
|
|||
|
||||
#![cfg_attr(feature = "dox", feature(doc_cfg))]
|
||||
|
||||
extern crate libc;
|
||||
|
||||
extern crate futures_core;
|
||||
extern crate futures_sink;
|
||||
extern crate glib_sys;
|
||||
extern crate gobject_sys;
|
||||
extern crate gstreamer as gst;
|
||||
extern crate gstreamer_app_sys as gst_app_sys;
|
||||
extern crate gstreamer_base as gst_base;
|
||||
extern crate gstreamer_sys as gst_sys;
|
||||
|
||||
extern crate once_cell;
|
||||
|
||||
#[macro_use]
|
||||
extern crate glib;
|
||||
|
||||
#[cfg(test)]
|
||||
extern crate futures_util;
|
||||
|
||||
#[cfg(test)]
|
||||
extern crate futures_executor;
|
||||
pub use ffi;
|
||||
|
||||
macro_rules! skip_assert_initialized {
|
||||
() => {};
|
||||
|
@ -38,13 +18,13 @@ macro_rules! skip_assert_initialized {
|
|||
#[allow(clippy::too_many_arguments)]
|
||||
#[allow(clippy::match_same_arms)]
|
||||
mod auto;
|
||||
pub use auto::*;
|
||||
pub use crate::auto::*;
|
||||
|
||||
pub mod app_sink;
|
||||
pub use app_sink::AppSinkCallbacks;
|
||||
pub use crate::app_sink::AppSinkCallbacks;
|
||||
|
||||
pub mod app_src;
|
||||
pub use app_src::AppSrcCallbacks;
|
||||
pub use crate::app_src::AppSrcCallbacks;
|
||||
|
||||
// Re-export all the traits in a prelude module, so that applications
|
||||
// can always "use gst::prelude::*" without getting conflicts
|
||||
|
@ -52,5 +32,5 @@ pub mod prelude {
|
|||
pub use glib::prelude::*;
|
||||
pub use gst::prelude::*;
|
||||
|
||||
pub use auto::traits::*;
|
||||
pub use crate::auto::traits::*;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue