Init demuxer

src/pipeline/mod.rs

@@ -0,0 +1,42 @@
+use async_trait::async_trait;
+use ffmpeg_sys_next::{av_packet_unref, AVPacket};
+use std::ops::DerefMut;
+use std::sync::{Arc, Mutex};
+
+pub mod builder;
+pub mod runner;
+
+#[derive(Debug)]
+pub enum PipelinePayload {
+    /// No output
+    Empty,
+    /// Skip this step
+    Skip,
+    /// Raw bytes from ingress
+    Bytes(bytes::Bytes),
+    /// FFMpeg AVPacket
+    AvPacket(*mut AVPacket),
+    /// FFMpeg AVFrame
+    AvFrame(),
+}
+
+unsafe impl Send for PipelinePayload {}
+unsafe impl Sync for PipelinePayload {}
+
+impl Drop for PipelinePayload {
+    fn drop(&mut self) {
+        match self {
+            PipelinePayload::AvPacket(pkt) => unsafe {
+                av_packet_unref(*pkt);
+            },
+            _ => {}
+        }
+    }
+}
+
+#[async_trait]
+pub trait PipelineStep {
+    fn name(&self) -> String;
+
+    async fn process(&mut self, pkg: PipelinePayload) -> Result<PipelinePayload, anyhow::Error>;
+}