Configurable encoder pipeline

src/variant.rs

@@ -0,0 +1,104 @@
+use crate::fraction::Fraction;
+use std::fmt::{Display, Formatter};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum VariantStream {
+    /// Video stream mapping
+    Video(VideoVariant),
+    /// Audio stream mapping
+    Audio(AudioVariant),
+    /// Copy source stream (video)
+    CopyVideo(usize),
+    /// Copy source stream (audio)
+    CopyAudio(usize),
+}
+
+/// Information related to variant streams for a given egress
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct VideoVariant {
+    /// Unique ID of this variant
+    pub id: Uuid,
+
+    /// Source video stream to use for this variant
+    pub src_index: usize,
+
+    /// Index of this variant in the output
+    pub dst_index: usize,
+
+    /// Width of this video stream
+    pub width: u16,
+
+    /// Height of this video stream
+    pub height: u16,
+
+    /// FPS for this stream
+    pub fps: u16,
+
+    /// Bitrate of this stream
+    pub bitrate: u64,
+
+    /// AVCodecID
+    pub codec: usize,
+
+    /// Codec profile
+    pub profile: usize,
+
+    /// Codec level
+    pub level: usize,
+
+    /// Keyframe interval in seconds
+    pub keyframe_interval: u16,
+}
+
+impl Display for VideoVariant {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "Video #{}: {}, {}p, {}fps, {}kbps",
+            self.src_index,
+            self.codec,
+            self.height,
+            self.fps,
+            self.bitrate / 1000
+        )
+    }
+}
+
+/// Information related to variant streams for a given egress
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct AudioVariant {
+    /// Unique ID of this variant
+    pub id: Uuid,
+    
+    /// Source video stream to use for this variant
+    pub src_index: usize,
+
+    /// Index of this variant in the output
+    pub dst_index: usize,
+
+    /// Bitrate of this stream
+    pub bitrate: u64,
+
+    /// AVCodecID
+    pub codec: usize,
+
+    /// Number of channels
+    pub channels: u16,
+
+    /// Sample rate
+    pub sample_rate: usize,
+}
+
+impl Display for AudioVariant {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "Audio #{}: {}, {}kbps",
+            self.src_index,
+            self.codec,
+            self.bitrate / 1000
+        )
+    }
+}