refactor: convert to workspace

crates/core/src/overseer/mod.rs

@@ -0,0 +1,84 @@
+use crate::ingress::ConnectionInfo;
+
+use crate::pipeline::PipelineConfig;
+use anyhow::Result;
+use async_trait::async_trait;
+use std::cmp::PartialEq;
+use std::path::PathBuf;
+use uuid::Uuid;
+
+#[cfg(feature = "local-overseer")]
+mod local;
+
+#[cfg(feature = "webhook-overseer")]
+mod webhook;
+
+#[cfg(feature = "zap-stream")]
+mod zap_stream;
+
+/// A copy of [ffmpeg_rs_raw::DemuxerInfo] without internal ptr
+#[derive(PartialEq, Clone)]
+pub struct IngressInfo {
+    pub bitrate: usize,
+    pub streams: Vec<IngressStream>,
+}
+
+/// A copy of [ffmpeg_rs_raw::StreamInfo] without ptr
+#[derive(PartialEq, Clone)]
+pub struct IngressStream {
+    pub index: usize,
+    pub stream_type: IngressStreamType,
+    pub codec: isize,
+    pub format: isize,
+    pub width: usize,
+    pub height: usize,
+    pub fps: f32,
+    pub sample_rate: usize,
+    pub language: String,
+}
+
+#[derive(PartialEq, Eq, Clone)]
+pub enum IngressStreamType {
+    Video,
+    Audio,
+    Subtitle,
+}
+
+#[async_trait]
+/// The control process that oversees streaming operations
+pub trait Overseer: Send + Sync {
+    /// Check all streams
+    async fn check_streams(&self) -> Result<()>;
+
+    /// Set up a new streaming pipeline
+    async fn start_stream(
+        &self,
+        connection: &ConnectionInfo,
+        stream_info: &IngressInfo,
+    ) -> Result<PipelineConfig>;
+
+    /// A new segment (HLS etc.) was generated for a stream variant
+    ///
+    /// This handler is usually used for distribution / billing
+    async fn on_segment(
+        &self,
+        pipeline_id: &Uuid,
+        variant_id: &Uuid,
+        index: u64,
+        duration: f32,
+        path: &PathBuf,
+    ) -> Result<()>;
+
+    /// At a regular interval, pipeline will emit one of the frames for processing as a
+    /// thumbnail
+    async fn on_thumbnail(
+        &self,
+        pipeline_id: &Uuid,
+        width: usize,
+        height: usize,
+        path: &PathBuf,
+    ) -> Result<()>;
+
+    /// Stream is finished
+    async fn on_end(&self, pipeline_id: &Uuid) -> Result<()>;
+}