fix(iced-video): Fix the very high ram usage

feat(playback): add GstPlayFlags for playbin and playbin3

gst/src/pipeline.rs

@@ -23,7 +23,6 @@ impl Pipeline {
     }
 
     /// Get the state
-    #[track_caller]
     pub fn state(
         &self,
         timeout: impl Into<Option<core::time::Duration>>,
@@ -33,7 +32,6 @@ impl Pipeline {
         Ok(current)
     }
 
-    #[track_caller]
     pub fn play(&self) -> Result<()> {
         self.inner
             .set_state(gstreamer::State::Playing)
@@ -42,7 +40,6 @@ impl Pipeline {
         Ok(())
     }
 
-    #[track_caller]
     pub fn pause(&self) -> Result<()> {
         self.inner
             .set_state(gstreamer::State::Paused)
@@ -51,7 +48,6 @@ impl Pipeline {
         Ok(())
     }
 
-    #[track_caller]
     pub fn ready(&self) -> Result<()> {
         self.inner
             .set_state(gstreamer::State::Ready)
@@ -60,7 +56,6 @@ impl Pipeline {
         Ok(())
     }
 
-    #[track_caller]
     pub fn stop(&self) -> Result<()> {
         self.inner
             .set_state(gstreamer::State::Null)
@@ -69,7 +64,6 @@ impl Pipeline {
         Ok(())
     }
 
-    #[track_caller]
     pub fn set_state(&self, state: gstreamer::State) -> Result<gstreamer::StateChangeSuccess> {
         let result = self
             .inner

gst/src/plugins/playback.rs

@@ -2,3 +2,83 @@ pub mod playbin3;
 pub use playbin3::*;
 pub mod playbin;
 pub use playbin::*;
+
+bitflags::bitflags! {
+    /// Extra flags to configure the behaviour of the sinks.
+    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+    pub struct PlayFlags: u32 {
+        /// Render the video stream
+        const VIDEO = (1 << 0);
+        /// Render the audio stream
+        const AUDIO = (1 << 1);
+        /// Render subtitles
+        const TEXT = (1 << 2);
+        /// Render visualisation when no video is present
+        const VIS = (1 << 3);
+        /// Use software volume
+        const SOFT_VOLUME = (1 << 4);
+        /// Only use native audio formats
+        const NATIVE_AUDIO = (1 << 5);
+        /// Only use native video formats
+        const NATIVE_VIDEO = (1 << 6);
+        /// Attempt progressive download buffering
+        const DOWNLOAD = (1 << 7);
+        /// Buffer demuxed/parsed data
+        const BUFFERING = (1 << 8);
+        /// Deinterlace video if necessary
+        const DEINTERLACE = (1 << 9);
+        /// Use software color balance
+        const SOFT_COLORBALANCE = (1 << 10);
+        /// Force audio/video filter(s) to be applied
+        const FORCE_FILTERS = (1 << 11);
+        /// Force only software-based decoders (no effect for playbin3)
+        const FORCE_SW_DECODERS = (1 << 12);
+    }
+}
+
+impl Default for PlayFlags {
+    /// Flags "GstPlayFlags" Default: 0x00000717, "soft-colorbalance+deinterlace+buffering+soft-volume+text+audio+video"
+    fn default() -> Self {
+        Self::SOFT_COLORBALANCE
+            | Self::DEINTERLACE
+            | Self::BUFFERING
+            | Self::SOFT_VOLUME
+            | Self::TEXT
+            | Self::AUDIO
+            | Self::VIDEO
+    }
+}
+
+const _: () = {
+    use glib::types::StaticType;
+    impl glib::types::StaticType for PlayFlags {
+        #[inline]
+        #[doc(alias = "gst_play_flags_get_type")]
+        fn static_type() -> glib::Type {
+            glib::Type::from_name("GstPlayFlags").expect("GstPlayFlags type not found")
+        }
+    }
+
+    impl glib::value::ToValue for PlayFlags {
+        #[inline]
+        fn to_value(&self) -> glib::Value {
+            let value = self.bits().to_value();
+            value
+                .transform_with_type(Self::static_type())
+                .expect("Failed to transform PlayFlags(u32) to GstPlayFlags")
+        }
+
+        #[inline]
+        fn value_type(&self) -> glib::Type {
+            Self::static_type()
+        }
+    }
+
+    impl From<PlayFlags> for glib::Value {
+        #[inline]
+        fn from(v: PlayFlags) -> Self {
+            // skip_assert_initialized!();
+            glib::value::ToValue::to_value(&v)
+        }
+    }
+};

gst/src/plugins/playback/playbin.rs

@@ -0,0 +1,82 @@
+use crate::priv_prelude::*;
+
+wrap_gst!(Playbin, gstreamer::Element);
+parent_child!(Element, Playbin);
+parent_child!(Pipeline, Playbin, downcast);
+parent_child!(Bin, Playbin, downcast);
+
+impl Drop for Playbin {
+    fn drop(&mut self) {
+        self.set_state(gstreamer::State::Null).ok();
+    }
+}
+
+impl Playbin {
+    pub fn new(name: impl AsRef<str>) -> Result<Self> {
+        gstreamer::ElementFactory::make("playbin3")
+            .name(name.as_ref())
+            .build()
+            .map(|element| Playbin { inner: element })
+            .change_context(Error)
+    }
+
+    pub fn with_uri(self, uri: impl AsRef<str>) -> Self {
+        self.inner.set_property("uri", uri.as_ref());
+        self
+    }
+
+    pub fn with_buffer_duration(self, duration: impl Into<Option<core::time::Duration>>) -> Self {
+        let duration = match duration.into() {
+            Some(dur) => dur.as_secs() as i64,
+            None => -1,
+        };
+        self.inner.set_property("buffer-duration", duration);
+        self
+    }
+
+    pub fn with_buffer_size(self, size: impl Into<Option<u32>>) -> Self {
+        let size = match size.into() {
+            Some(size) => size as i32,
+            None => -1,
+        };
+        self.inner.set_property("buffer-size", size);
+        self
+    }
+
+    /// Sets the maximum size of the ring buffer in bytes.
+    pub fn with_ring_buffer_max_size(self, size: u64) -> Self {
+        self.inner.set_property("ring-buffer-max-size", size);
+        self
+    }
+
+    pub fn with_video_sink(self, video_sink: &impl ChildOf<Element>) -> Self {
+        self.inner
+            .set_property("video-sink", &video_sink.upcast_ref().inner);
+        self
+    }
+
+    pub fn with_text_sink(self, text_sink: &impl ChildOf<Element>) -> Self {
+        self.inner
+            .set_property("text-sink", &text_sink.upcast_ref().inner);
+        self
+    }
+
+    pub fn with_audio_sink(self, audio_sink: &impl ChildOf<Element>) -> Self {
+        self.inner
+            .set_property("audio-sink", &audio_sink.upcast_ref().inner);
+        self
+    }
+
+    pub fn set_volume(&self, volume: f64) {
+        self.inner.set_property("volume", volume.clamp(1.0, 100.0))
+    }
+
+    pub fn get_volume(&self) -> f64 {
+        self.inner.property::<f64>("volume")
+    }
+
+    pub fn with_flags(self, flags: playback::PlayFlags) -> Self {
+        self.inner.set_property("flags", flags);
+        self
+    }
+}

gst/src/plugins/playback/playbin3.rs

@@ -74,4 +74,9 @@ impl Playbin3 {
     pub fn get_volume(&self) -> f64 {
         self.inner.property::<f64>("volume")
     }
+
+    pub fn with_flags(self, flags: playback::PlayFlags) -> Self {
+        self.inner.set_property("flags", flags);
+        self
+    }
 }

gst/src/sample.rs

@@ -0,0 +1,37 @@
+impl From<gstreamer::Sample> for Sample {
+    fn from(inner: gstreamer::Sample) -> Self {
+        Sample { inner }
+    }
+}
+
+#[repr(transparent)]
+#[derive(Debug, Clone)]
+pub struct Sample {
+    pub inner: gstreamer::Sample,
+}
+
+use gstreamer::BufferRef;
+impl Sample {
+    #[doc(alias = "empty")]
+    pub fn new() -> Self {
+        Self {
+            inner: gstreamer::Sample::builder().build(),
+        }
+    }
+
+    pub fn buffer(&self) -> Option<&BufferRef> {
+        self.inner.buffer()
+    }
+
+    pub fn caps(&self) -> Option<&gstreamer::CapsRef> {
+        self.inner.caps()
+    }
+
+    pub fn info(&self) -> Option<&gstreamer::StructureRef> {
+        self.inner.info()
+    }
+
+    // pub fn set_buffer(&mut self) {
+    //     self.inner.set_buffer(None);
+    // }
+}