mirrors/gstreamer-rs
mirrors/gstreamer-rs
1
1
Fork 1
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git synced 2024-11-22 01:21:05 +00:00
Code Issues Projects Releases Wiki Activity

gstreamer: element: more generic (un)link_many() API

Browse source 
No longer enforces to pass an array of references.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1230>
This commit is contained in:
Guillaume Desmottes 2023-03-09 11:42:44 +01:00 committed by GStreamer Marge Bot
parent c4a968a403
commit 01d3cef73e
16 changed files with 35 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
examples/src/bin/appsrc.rs
View file

@ -50,7 +50,7 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
let sink = gst::ElementFactory::make("autovideosink").build()?;
pipeline.add_many([appsrc.upcast_ref(), &videoconvert, &sink])?;
gst::Element::link_many(&[appsrc.upcast_ref(), &videoconvert, &sink])?;
gst::Element::link_many([appsrc.upcast_ref(), &videoconvert, &sink])?;
// Our frame counter, that is stored in the mutable environment
// of the closure of the need-data callback

2
examples/src/bin/decodebin.rs
View file

@ -71,7 +71,7 @@ fn example_main() -> Result<(), Error> {
let decodebin = gst::ElementFactory::make("decodebin").build()?;
pipeline.add_many([&src, &decodebin])?;
gst::Element::link_many(&[&src, &decodebin])?;
gst::Element::link_many([&src, &decodebin])?;
// Need to move a new reference into the closure.
// !!ATTENTION!!:

2
examples/src/bin/encodebin.rs
View file

@ -103,7 +103,7 @@ fn example_main() -> Result<(), Error> {
// directly link it to our filesink without problems.
// The caps of encodebin's src-pad are set after we configured the encoding-profile.
// (But filesink doesn't really care about the caps at its input anyway)
gst::Element::link_many(&[&encodebin, &sink])?;
gst::Element::link_many([&encodebin, &sink])?;
// Need to move a new reference into the closure.
// !!ATTENTION!!:

4
examples/src/bin/fd_allocator.rs
View file

@ -46,7 +46,7 @@ fn create_receiver_pipeline(
let sink = gst::ElementFactory::make("autovideosink").build()?;
pipeline.add_many([src.upcast_ref(), &filter, &convert, &queue, &sink])?;
gst::Element::link_many(&[src.upcast_ref(), &filter, &convert, &queue, &sink])?;
gst::Element::link_many([src.upcast_ref(), &filter, &convert, &queue, &sink])?;
let fd_allocator = gst_allocators::FdAllocator::new();
let video_info = video_info.clone();
@ -116,7 +116,7 @@ fn create_sender_pipeline(
.set_caps(Some(&caps));
pipeline.add_many([&src, &sink])?;
gst::Element::link_many(&[&src, &sink])?;
gst::Element::link_many([&src, &sink])?;
let appsink = sink
.downcast::<gst_app::AppSink>()

2
examples/src/bin/overlay-composition.rs
View file

@ -78,7 +78,7 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
let sink = gst::ElementFactory::make("autovideosink").build()?;
pipeline.add_many([&src, &overlay, &capsfilter, &videoconvert, &sink])?;
gst::Element::link_many(&[&src, &overlay, &capsfilter, &videoconvert, &sink])?;
gst::Element::link_many([&src, &overlay, &capsfilter, &videoconvert, &sink])?;
// The PangoFontMap represents the set of fonts available for a particular rendering system.
let fontmap = pangocairo::FontMap::new();

2
examples/src/bin/pango-cairo.rs
View file

@ -77,7 +77,7 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
let sink = gst::ElementFactory::make("autovideosink").build()?;
pipeline.add_many([&src, &overlay, &capsfilter, &videoconvert, &sink])?;
gst::Element::link_many(&[&src, &overlay, &capsfilter, &videoconvert, &sink])?;
gst::Element::link_many([&src, &overlay, &capsfilter, &videoconvert, &sink])?;
// The PangoFontMap represents the set of fonts available for a particular rendering system.
let fontmap = pangocairo::FontMap::new();

4
examples/src/bin/rtpfecclient.rs
View file

@ -115,7 +115,7 @@ fn example_main() -> Result<(), Error> {
.build()?;
pipeline.add_many([&src, &netsim, &rtpbin, &depay, &dec, &conv, &scale, &filter])?;
gst::Element::link_many(&[&depay, &dec, &conv, &scale, &filter])?;
gst::Element::link_many([&depay, &dec, &conv, &scale, &filter])?;
match args[1].as_str() {
"play" => {
@ -133,7 +133,7 @@ fn example_main() -> Result<(), Error> {
.build()?;
pipeline.add_many([&enc, &mux, &sink])?;
gst::Element::link_many(&[&filter, &enc, &mux, &sink])?;
gst::Element::link_many([&filter, &enc, &mux, &sink])?;
eprintln!("Recording to out.mkv");
}
_ => return Err(Error::from(UsageError(args[0].clone()))),

2
examples/src/bin/rtsp-server-subclass.rs
View file

@ -138,7 +138,7 @@ mod media_factory {
.unwrap();
bin.add_many([&src, &enc, &pay]).unwrap();
gst::Element::link_many(&[&src, &enc, &pay]).unwrap();
gst::Element::link_many([&src, &enc, &pay]).unwrap();
Some(bin.upcast())
}

2
examples/src/bin/toc.rs
View file

@ -35,7 +35,7 @@ fn example_main() {
let decodebin = gst::ElementFactory::make("decodebin").build().unwrap();
pipeline.add_many([&src, &decodebin]).unwrap();
gst::Element::link_many(&[&src, &decodebin]).unwrap();
gst::Element::link_many([&src, &decodebin]).unwrap();
// Need to move a new reference into the closure.
// !!ATTENTION!!:

1
gstreamer/Cargo.toml
View file

@ -33,6 +33,7 @@ paste = "1.0"
pretty-hex = "0.3"
thiserror = "1"
smallvec = { version = "1.0", features = ["write"] }
itertools = "0.10"
[dev-dependencies]
ron = "0.8"

23
gstreamer/src/element.rs
View file

@ -3,6 +3,7 @@
use std::{ffi::CStr, future::Future, mem, num::NonZeroU64, pin::Pin};
use glib::translate::*;
use itertools::Itertools;
use crate::{
format::{
@ -16,18 +17,20 @@ use crate::{
impl Element {
#[doc(alias = "gst_element_link_many")]
pub fn link_many<E: IsA<Element>>(elements: &[&E]) -> Result<(), glib::BoolError> {
pub fn link_many(
elements: impl IntoIterator<Item = impl AsRef<Element> + Clone>,
) -> Result<(), glib::BoolError> {
skip_assert_initialized!();
for e in elements.windows(2) {
for (src, dest) in elements.into_iter().tuple_windows() {
unsafe {
glib::result_from_gboolean!(
ffi::gst_element_link(
e[0].as_ref().to_glib_none().0,
e[1].as_ref().to_glib_none().0,
src.as_ref().to_glib_none().0,
dest.as_ref().to_glib_none().0,
),
"Failed to link elements '{}' and '{}'",
e[0].as_ref().name(),
e[1].as_ref().name(),
src.as_ref().name(),
dest.as_ref().name(),
)?;
}
}
@ -36,13 +39,13 @@ impl Element {
}
#[doc(alias = "gst_element_unlink_many")]
pub fn unlink_many<E: IsA<Element>>(elements: &[&E]) {
pub fn unlink_many(elements: impl IntoIterator<Item = impl AsRef<Element> + Clone>) {
skip_assert_initialized!();
for e in elements.windows(2) {
for (src, dest) in elements.into_iter().tuple_windows() {
unsafe {
ffi::gst_element_unlink(
e[0].as_ref().to_glib_none().0,
e[1].as_ref().to_glib_none().0,
src.as_ref().to_glib_none().0,
dest.as_ref().to_glib_none().0,
);
}
}

2
gstreamer/src/subclass/element.rs
View file

@ -735,7 +735,7 @@ mod tests {
pipeline
.add_many([&src, element.upcast_ref(), &sink])
.unwrap();
Element::link_many(&[&src, element.upcast_ref(), &sink]).unwrap();
Element::link_many([&src, element.upcast_ref(), &sink]).unwrap();
pipeline.set_state(crate::State::Playing).unwrap();
let bus = pipeline.bus().unwrap();

2
tutorials/src/bin/basic-tutorial-3.rs
View file

@ -37,7 +37,7 @@ fn tutorial_main() {
pipeline
.add_many([&source, &convert, &resample, &sink])
.unwrap();
gst::Element::link_many(&[&convert, &resample, &sink]).expect("Elements could not be linked.");
gst::Element::link_many([&convert, &resample, &sink]).expect("Elements could not be linked.");
// Connect the pad-added signal
source.connect_pad_added(move |src, src_pad| {

6
tutorials/src/bin/basic-tutorial-7.rs
View file

@ -71,9 +71,9 @@ fn tutorial_main() {
])
.unwrap();
gst::Element::link_many(&[&audio_source, &tee]).unwrap();
gst::Element::link_many(&[&audio_queue, &audio_convert, &audio_resample, &audio_sink]).unwrap();
gst::Element::link_many(&[&video_queue, &visual, &video_convert, &video_sink]).unwrap();
gst::Element::link_many([&audio_source, &tee]).unwrap();
gst::Element::link_many([&audio_queue, &audio_convert, &audio_resample, &audio_sink]).unwrap();
gst::Element::link_many([&video_queue, &visual, &video_convert, &video_sink]).unwrap();
let tee_audio_pad = tee.request_pad_simple("src_%u").unwrap();
println!(

9
tutorials/src/bin/basic-tutorial-8.rs
View file

@ -127,10 +127,9 @@ fn main() {
])
.unwrap();
gst::Element::link_many(&[appsrc.upcast_ref(), &tee]).unwrap();
gst::Element::link_many(&[&audio_queue, &audio_convert1, &audio_resample, &audio_sink])
.unwrap();
gst::Element::link_many(&[
gst::Element::link_many([appsrc.upcast_ref(), &tee]).unwrap();
gst::Element::link_many([&audio_queue, &audio_convert1, &audio_resample, &audio_sink]).unwrap();
gst::Element::link_many([
&video_queue,
&audio_convert2,
&visual,
@ -138,7 +137,7 @@ fn main() {
&video_sink,
])
.unwrap();
gst::Element::link_many(&[&app_queue, appsink.upcast_ref()]).unwrap();
gst::Element::link_many([&app_queue, appsink.upcast_ref()]).unwrap();
let tee_audio_pad = tee.request_pad_simple("src_%u").unwrap();
println!(

2
tutorials/src/bin/playback-tutorial-7.rs
View file

@ -29,7 +29,7 @@ fn tutorial_main() -> Result<(), Error> {
// Create the sink bin, add the elements and link them
let bin = gst::Bin::builder().name("audio_sink_bin").build();
bin.add_many([&equalizer, &convert, &sink]).unwrap();
gst::Element::link_many(&[&equalizer, &convert, &sink]).expect("Failed to link elements.");
gst::Element::link_many([&equalizer, &convert, &sink]).expect("Failed to link elements.");
let pad = equalizer
.static_pad("sink")