fix: stream kind

.dockerignore

@@ -1,3 +1,3 @@
-target/
+**/target/
-.git/
+**/.git/
-out/
+**/out/

.drone.yml

@@ -19,6 +19,6 @@ steps:
       - docker login -u kieran -p $TOKEN git.v0l.io
       - docker login -u voidic -p $DOCKER_TOKEN
       - docker buildx create --name mybuilder --bootstrap --use
-      - docker buildx build --push --platform linux/amd64 -t git.v0l.io/kieran/zap-stream-core:latest -t voidic/zap-stream-core:latest .
+      - docker buildx build --push --platform linux/amd64 -t git.v0l.io/kieran/zap-stream-core:latest -t voidic/zap-stream-core:latest -f ./crates/zap-stream/Dockerfile .
       - kill $(cat /var/run/docker.pid)
 

Cargo.toml

@@ -1,77 +1,20 @@
-[package]
+[workspace]
-name = "zap-stream-core"
+resolver = "2"
-version = "0.1.0"
+members = [
-edition = "2021"
+    "crates/core",
-
+    "crates/zap-stream",
-[[bin]]
+    "crates/zap-stream-db"
-name = "zap-stream-core"
-path = "src/bin/zap_stream_core.rs"
-
-[features]
-default = ["test-pattern", "srt", "rtmp"]
-srt = ["dep:srt-tokio"]
-rtmp = ["dep:rml_rtmp"]
-local-overseer = [] # WIP
-webhook-overseer = [] # WIP
-zap-stream = [
-    "dep:nostr-sdk",
-    "dep:zap-stream-db",
-    "dep:fedimint-tonic-lnd",
-    "dep:reqwest",
-    "dep:base64",
-    "dep:sha2",
-    "tokio/fs",
-]
-test-pattern = [
-    "dep:resvg",
-    "dep:usvg",
-    "dep:tiny-skia",
-    "dep:fontdue",
-    "dep:ringbuf",
-    "zap-stream-db/test-pattern"
 ]
 
-[dependencies]
+[workspace.dependencies]
-ffmpeg-rs-raw = { git = "https://git.v0l.io/Kieran/ffmpeg-rs-raw.git", rev = "8e102423d46c8fe7dc4dc999e4ce3fcfe6abfee0" }
+ffmpeg-rs-raw = { git = "https://git.v0l.io/Kieran/ffmpeg-rs-raw.git", rev = "a63b88ef3c8f58c7c0ac57d361d06ff0bb3ed385" }
 tokio = { version = "1.36.0", features = ["rt", "rt-multi-thread", "macros"] }
 anyhow = { version = "^1.0.91", features = ["backtrace"] }
-pretty_env_logger = "0.5.0"
-tokio-stream = "0.1.14"
-futures-util = "0.3.30"
 async-trait = "0.1.77"
 log = "0.4.21"
 uuid = { version = "1.8.0", features = ["v4", "serde"] }
 serde = { version = "1.0.197", features = ["derive"] }
-config = { version = "0.14.0", features = ["yaml"] }
 url = "2.5.0"
-itertools = "0.13.0"
+itertools = "0.14.0"
-rand = "0.8.5"
-clap = { version = "4.5.16", features = ["derive"] }
-warp = "0.3.7"
-libc = "0.2.162"
-m3u8-rs = "6.0.0"
 chrono = "^0.4.38"
 hex = "0.4.3"
-
-# srt
-srt-tokio = { version = "0.4.3", optional = true }
-
-# rtmp
-rml_rtmp = { version = "0.8.0", optional = true }
-
-# test-pattern
-resvg = { version = "0.44.0", optional = true }
-usvg = { version = "0.44.0", optional = true }
-tiny-skia = { version = "0.11.4", optional = true }
-fontdue = { version = "0.9.2", optional = true }
-ringbuf = { version = "0.4.7", optional = true }
-
-# zap-stream
-zap-stream-db = { path = "zap-stream-db", optional = true }
-nostr-sdk = { version = "0.36.0", optional = true }
-fedimint-tonic-lnd = { version = "0.2.0", optional = true, default-features = false, features = ["invoicesrpc", "versionrpc"] }
-reqwest = { version = "0.12.9", optional = true, features = ["stream"] }
-base64 = { version = "0.22.1", optional = true }
-sha2 = { version = "0.10.8", optional = true }
-bytes = "1.8.0"
-

TODO.md

@@ -1,5 +1,4 @@
-- RTMP?
 - Setup multi-variant output
-- API parity
+- API parity https://git.v0l.io/Kieran/zap.stream/issues/7
-- fMP4 instead of MPEG-TS segments
 - HLS-LL
+- Delete old segments (N94)

crates/core/Cargo.toml

@@ -0,0 +1,44 @@
+[package]
+name = "zap-stream-core"
+version = "0.1.0"
+edition = "2021"
+
+[features]
+default = ["test-pattern", "srt", "rtmp"]
+srt = ["dep:srt-tokio"]
+rtmp = ["dep:rml_rtmp"]
+local-overseer = [] # WIP
+webhook-overseer = [] # WIP
+test-pattern = [
+    "dep:resvg",
+    "dep:usvg",
+    "dep:tiny-skia",
+    "dep:fontdue",
+    "dep:ringbuf",
+]
+
+[dependencies]
+ffmpeg-rs-raw.workspace = true
+tokio.workspace = true
+anyhow.workspace = true
+async-trait.workspace = true
+log.workspace = true
+uuid.workspace = true
+serde.workspace = true
+hex.workspace = true
+itertools.workspace = true
+futures-util = "0.3.30"
+m3u8-rs = "6.0.0"
+
+# srt
+srt-tokio = { version = "0.4.3", optional = true }
+
+# rtmp
+rml_rtmp = { version = "0.8.0", optional = true }
+
+# test-pattern
+resvg = { version = "0.44.0", optional = true }
+usvg = { version = "0.44.0", optional = true }
+tiny-skia = { version = "0.11.4", optional = true }
+fontdue = { version = "0.9.2", optional = true }
+ringbuf = { version = "0.4.7", optional = true }

crates/core/dev-setup/strfry.conf

@@ -47,7 +47,7 @@ relay {
     port = 7777
 
     # Set OS-limit on maximum number of open files/sockets (if 0, don't attempt to set) (restart required)
-    nofiles = 1000000
+    nofiles = 0
 
     # HTTP header that contains the client's real IP, before reverse proxying (ie x-real-ip) (MUST be all lower-case)
     realIpHeader = ""

crates/core/src/egress/hls.rs

@@ -14,11 +14,7 @@ impl Egress for HlsMuxer {
         packet: *mut AVPacket,
         variant: &Uuid,
     ) -> Result<EgressResult> {
-        if let Some(ns) = self.mux_packet(packet, variant)? {
+        self.mux_packet(packet, variant)
-            Ok(EgressResult::NewSegment(ns))
-        } else {
-            Ok(EgressResult::None)
-        }
     }
 
     unsafe fn reset(&mut self) -> Result<()> {

crates/core/src/egress/mod.rs

@@ -25,13 +25,16 @@ pub trait Egress {
 pub enum EgressResult {
     /// Nothing to report
     None,
-    /// A new segment was created
+    /// Egress created/deleted some segments
-    NewSegment(NewSegment),
+    Segments {
+        created: Vec<EgressSegment>,
+        deleted: Vec<EgressSegment>,
+    },
 }
 
 /// Basic details of new segment created by a muxer
 #[derive(Debug, Clone)]
-pub struct NewSegment {
+pub struct EgressSegment {
     /// The id of the variant (video or audio)
     pub variant: Uuid,
     /// Segment index

crates/core/src/egress/recorder.rs

@@ -65,6 +65,6 @@ impl Egress for RecorderEgress {
     }
 
     unsafe fn reset(&mut self) -> Result<()> {
-        self.muxer.reset()
+        self.muxer.close()
     }
 }

crates/core/src/lib.rs

@@ -1,9 +1,6 @@
-#[cfg(feature = "zap-stream")]
-pub mod blossom;
 pub mod egress;
 pub mod ingress;
 pub mod mux;
 pub mod overseer;
 pub mod pipeline;
-pub mod settings;
 pub mod variant;

crates/core/src/mux/hls.rs

@@ -1,4 +1,4 @@
-use crate::egress::NewSegment;
+use crate::egress::{EgressResult, EgressSegment};
 use crate::variant::{StreamMapping, VariantStream};
 use anyhow::{bail, Result};
 use ffmpeg_rs_raw::ffmpeg_sys_the_third::AVCodecID::AV_CODEC_ID_H264;
@@ -79,6 +79,8 @@ pub struct HlsVariant {
     pub streams: Vec<HlsVariantStream>,
     /// Segment length in seconds
     pub segment_length: f32,
+    /// Total number of segments to store for this variant
+    pub segment_window: Option<u16>,
     /// Current segment index
     pub idx: u64,
     /// Current segment start time in seconds (duration)
@@ -91,20 +93,24 @@ pub struct HlsVariant {
     pub segment_type: SegmentType,
 }
 
-struct SegmentInfo(u64, f32, SegmentType);
+struct SegmentInfo {
+    pub index: u64,
+    pub duration: f32,
+    pub kind: SegmentType,
+}
 
 impl SegmentInfo {
     fn to_media_segment(&self) -> MediaSegment {
         MediaSegment {
             uri: self.filename(),
-            duration: self.1,
+            duration: self.duration,
             title: None,
             ..MediaSegment::default()
         }
     }
 
     fn filename(&self) -> String {
-        HlsVariant::segment_name(self.2, self.0)
+        HlsVariant::segment_name(self.kind, self.index)
     }
 }
 
@@ -175,11 +181,16 @@ impl HlsVariant {
         Ok(Self {
             name: name.clone(),
             segment_length,
+            segment_window: Some(10), //TODO: configure window
             mux,
             streams,
             idx: 1,
             pkt_start: 0.0,
-            segments: Vec::from([SegmentInfo(1, segment_length, segment_type)]),
+            segments: Vec::from([SegmentInfo {
+                index: 1,
+                duration: segment_length,
+                kind: segment_type,
+            }]),
             out_dir: out_dir.to_string(),
             segment_type,
         })
@@ -205,31 +216,32 @@ impl HlsVariant {
     }
 
     /// Mux a packet created by the encoder for this variant
-    pub unsafe fn mux_packet(&mut self, pkt: *mut AVPacket) -> Result<Option<NewSegment>> {
+    pub unsafe fn mux_packet(&mut self, pkt: *mut AVPacket) -> Result<EgressResult> {
         let pkt_q = av_q2d((*pkt).time_base);
         // time of this packet in seconds
         let pkt_time = (*pkt).pts as f32 * pkt_q as f32;
         // what segment this pkt should be in (index)
         let pkt_seg = 1 + (pkt_time / self.segment_length).floor() as u64;
 
-        let mut result = None;
+        let mut result = EgressResult::None;
         let pkt_stream = *(*self.mux.context())
             .streams
             .add((*pkt).stream_index as usize);
         let can_split = (*pkt).flags & AV_PKT_FLAG_KEY == AV_PKT_FLAG_KEY
             && (*(*pkt_stream).codecpar).codec_type == AVMEDIA_TYPE_VIDEO;
         if pkt_seg != self.idx && can_split {
-            result = Some(self.split_next_seg(pkt_time)?);
+            result = self.split_next_seg(pkt_time)?;
         }
         self.mux.write_packet(pkt)?;
         Ok(result)
     }
 
     pub unsafe fn reset(&mut self) -> Result<()> {
-        self.mux.reset()
+        self.mux.close()
     }
 
-    unsafe fn split_next_seg(&mut self, pkt_time: f32) -> Result<NewSegment> {
+    /// Reset the muxer state and start the next segment
+    unsafe fn split_next_seg(&mut self, pkt_time: f32) -> Result<EgressResult> {
         self.idx += 1;
 
         // Manually reset muxer avio
@@ -257,19 +269,40 @@ impl HlsVariant {
 
         let duration = pkt_time - self.pkt_start;
         info!("Writing segment {} [{}s]", &next_seg_url, duration);
-        if let Err(e) = self.add_segment(self.idx, duration) {
+        if let Err(e) = self.push_segment(self.idx, duration) {
             warn!("Failed to update playlist: {}", e);
         }
 
         /// Get the video variant for this group
         /// since this could actually be audio which would not be useful for
         /// [Overseer] impl
-        let video_var = self.video_stream().unwrap_or(self.streams.first().unwrap());
+        let video_var_id = self
+            .video_stream()
+            .unwrap_or(self.streams.first().unwrap())
+            .id()
+            .clone();
+
+        // cleanup old segments
+        let deleted = self
+            .clean_segments()?
+            .into_iter()
+            .map(|seg| EgressSegment {
+                variant: video_var_id,
+                idx: seg.index,
+                duration: seg.duration,
+                path: PathBuf::from(Self::map_segment_path(
+                    &self.out_dir,
+                    &self.name,
+                    seg.index,
+                    self.segment_type,
+                )),
+            })
+            .collect();
 
         // emit result of the previously completed segment,
         let prev_seg = self.idx - 1;
-        let ret = NewSegment {
+        let created = EgressSegment {
-            variant: *video_var.id(),
+            variant: video_var_id,
             idx: prev_seg,
             duration,
             path: PathBuf::from(Self::map_segment_path(
@@ -280,7 +313,10 @@ impl HlsVariant {
             )),
         };
         self.pkt_start = pkt_time;
-        Ok(ret)
+        Ok(EgressResult::Segments {
+            created: vec![created],
+            deleted,
+        })
     }
 
     fn video_stream(&self) -> Option<&HlsVariantStream> {
@@ -289,22 +325,39 @@ impl HlsVariant {
             .find(|a| matches!(*a, HlsVariantStream::Video { .. }))
     }
 
-    fn add_segment(&mut self, idx: u64, duration: f32) -> Result<()> {
+    /// Add a new segment to the variant and return a list of deleted segments
-        self.segments
+    fn push_segment(&mut self, idx: u64, duration: f32) -> Result<()> {
-            .push(SegmentInfo(idx, duration, self.segment_type));
+        self.segments.push(SegmentInfo {
+            index: idx,
+            duration,
+            kind: self.segment_type,
+        });
 
+        self.write_playlist()
+    }
+
+    /// Delete segments which are too old
+    fn clean_segments(&mut self) -> Result<Vec<SegmentInfo>> {
         const MAX_SEGMENTS: usize = 10;
 
+        let mut ret = vec![];
         if self.segments.len() > MAX_SEGMENTS {
             let n_drain = self.segments.len() - MAX_SEGMENTS;
             let seg_dir = self.out_dir();
             for seg in self.segments.drain(..n_drain) {
                 // delete file
                 let seg_path = seg_dir.join(seg.filename());
-                std::fs::remove_file(seg_path)?;
+                if let Err(e) = std::fs::remove_file(&seg_path) {
+                    warn!(
+                        "Failed to remove segment file: {} {}",
+                        seg_path.display(),
+                        e
+                    );
+                }
+                ret.push(seg);
             }
         }
-        self.write_playlist()
+        Ok(ret)
     }
 
     fn write_playlist(&mut self) -> Result<()> {
@@ -312,7 +365,7 @@ impl HlsVariant {
         pl.target_duration = self.segment_length as u64;
         pl.segments = self.segments.iter().map(|s| s.to_media_segment()).collect();
         pl.version = Some(3);
-        pl.media_sequence = self.segments.first().map(|s| s.0).unwrap_or(0);
+        pl.media_sequence = self.segments.first().map(|s| s.index).unwrap_or(0);
 
         let mut f_out = File::create(self.out_dir().join("live.m3u8"))?;
         pl.write_to(&mut f_out)?;
@@ -430,7 +483,7 @@ impl HlsMuxer {
         &mut self,
         pkt: *mut AVPacket,
         variant: &Uuid,
-    ) -> Result<Option<NewSegment>> {
+    ) -> Result<EgressResult> {
         for var in self.variants.iter_mut() {
             if let Some(vs) = var.streams.iter().find(|s| s.id() == variant) {
                 // very important for muxer to know which stream this pkt belongs to

crates/core/src/overseer/local.rs

@@ -20,6 +20,10 @@ impl LocalOverseer {
 
 #[async_trait]
 impl Overseer for LocalOverseer {
+    async fn check_streams(&self) -> Result<()> {
+        todo!()
+    }
+
     async fn start_stream(
         &self,
         _connection: &ConnectionInfo,

crates/core/src/overseer/mod.rs

@@ -0,0 +1,80 @@
+use crate::ingress::ConnectionInfo;
+
+use crate::egress::EgressSegment;
+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;
+
+/// 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(s) (HLS etc.) was generated for a stream variant
+    ///
+    /// This handler is usually used for distribution / billing
+    async fn on_segments(
+        &self,
+        pipeline_id: &Uuid,
+        added: &Vec<EgressSegment>,
+        deleted: &Vec<EgressSegment>,
+    ) -> 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<()>;
+}

crates/core/src/overseer/webhook.rs

@@ -21,6 +21,10 @@ impl WebhookOverseer {
 
 #[async_trait]
 impl Overseer for WebhookOverseer {
+    async fn check_streams(&self) -> Result<()> {
+        todo!()
+    }
+
     async fn start_stream(
         &self,
         connection: &ConnectionInfo,

crates/core/src/pipeline/runner.rs

@@ -73,6 +73,9 @@ pub struct PipelineRunner {
     overseer: Arc<dyn Overseer>,
 
     fps_counter_start: Instant,
+    fps_last_frame_ctr: u64,
+
+    /// Total number of frames produced
     frame_ctr: u64,
     out_dir: String,
 }
@@ -100,6 +103,7 @@ impl PipelineRunner {
             fps_counter_start: Instant::now(),
             egress: Vec::new(),
             frame_ctr: 0,
+            fps_last_frame_ctr: 0,
             info: None,
         })
     }
@@ -140,7 +144,7 @@ impl PipelineRunner {
         };
 
         // run transcoder pipeline
-        let (mut pkt, stream) = self.demuxer.get_packet()?;
+        let (mut pkt, _stream) = self.demuxer.get_packet()?;
         if pkt.is_null() {
             return Ok(false);
         }
@@ -155,16 +159,14 @@ impl PipelineRunner {
         };
 
         let mut egress_results = vec![];
-        for frame in frames {
+        for (frame, stream) in frames {
             // Copy frame from GPU if using hwaccel decoding
             let mut frame = get_frame_from_hw(frame)?;
             (*frame).time_base = (*stream).time_base;
 
             let p = (*stream).codecpar;
             if (*p).codec_type == AVMediaType::AVMEDIA_TYPE_VIDEO {
-                let pts_sec = ((*frame).pts as f64 * av_q2d((*stream).time_base)).floor() as u64;
+                if (self.frame_ctr % 1800) == 0 {
-                // write thumbnail every 1min
-                if pts_sec % 60 == 0 && pts_sec != 0 {
                     let dst_pic = PathBuf::from(&self.out_dir)
                         .join(config.id.to_string())
                         .join("thumb.webp");
@@ -268,22 +270,24 @@ impl PipelineRunner {
         // egress results
         self.handle.block_on(async {
             for er in egress_results {
-                if let EgressResult::NewSegment(seg) = er {
+                if let EgressResult::Segments { created, deleted } = er {
                     if let Err(e) = self
                         .overseer
-                        .on_segment(&config.id, &seg.variant, seg.idx, seg.duration, &seg.path)
+                        .on_segments(&config.id, &created, &deleted)
                         .await
                     {
-                        error!("Failed to process segment: {}", e);
+                        bail!("Failed to process segment {}", e.to_string());
                     }
                 }
             }
-        });
+            Ok(())
+        })?;
         let elapsed = Instant::now().sub(self.fps_counter_start).as_secs_f32();
         if elapsed >= 2f32 {
-            info!("Average fps: {:.2}", self.frame_ctr as f32 / elapsed);
+            let n_frames = self.frame_ctr - self.fps_last_frame_ctr;
+            info!("Average fps: {:.2}", n_frames as f32 / elapsed);
             self.fps_counter_start = Instant::now();
-            self.frame_ctr = 0;
+            self.fps_last_frame_ctr = self.frame_ctr;
         }
         Ok(true)
     }

crates/zap-stream-db/Cargo.toml

@@ -8,8 +8,8 @@ default = []
 test-pattern = []
 
 [dependencies]
-anyhow = "^1.0.70"
+anyhow.workspace = true
-chrono = { version = "0.4.38", features = ["serde"] }
+chrono.workspace = true
+uuid.workspace = true
+
 sqlx = { version = "0.8.1", features = ["runtime-tokio", "migrate", "mysql", "chrono"] }
-log = "0.4.22"
-uuid = { version = "1.11.0", features = ["v4"] }

crates/zap-stream-db/src/db.rs

@@ -1,8 +1,9 @@
 use crate::{User, UserStream};
 use anyhow::Result;
-use sqlx::{MySqlPool, Row};
+use sqlx::{Executor, MySqlPool, Row};
 use uuid::Uuid;
 
+#[derive(Clone)]
 pub struct ZapStreamDb {
     db: MySqlPool,
 }
@@ -42,6 +43,16 @@ impl ZapStreamDb {
             .map_err(anyhow::Error::new)?)
     }
 
+    /// Update a users balance
+    pub async fn update_user_balance(&self, uid: u64, diff: i64) -> Result<()> {
+        sqlx::query("update user set balance = balance + ? where id = ?")
+            .bind(diff)
+            .bind(uid)
+            .execute(&self.db)
+            .await?;
+        Ok(())
+    }
+
     pub async fn upsert_user(&self, pubkey: &[u8; 32]) -> Result<u64> {
         let res = sqlx::query("insert ignore into user(pubkey) values(?) returning id")
             .bind(pubkey.as_slice())
@@ -101,4 +112,45 @@ impl ZapStreamDb {
             .await
             .map_err(anyhow::Error::new)?)
     }
+
+    /// Get the list of active streams
+    pub async fn list_live_streams(&self) -> Result<Vec<UserStream>> {
+        Ok(sqlx::query_as("select * from user_stream where state = 2")
+            .fetch_all(&self.db)
+            .await?)
+    }
+
+    /// Add [duration] & [cost] to a stream and return the new user balance
+    pub async fn tick_stream(
+        &self,
+        stream_id: &Uuid,
+        user_id: u64,
+        duration: f32,
+        cost: i64,
+    ) -> Result<i64> {
+        let mut tx = self.db.begin().await?;
+
+        sqlx::query("update user_stream set duration = duration + ?, cost = cost + ? where id = ?")
+            .bind(&duration)
+            .bind(&cost)
+            .bind(stream_id.to_string())
+            .execute(&mut *tx)
+            .await?;
+
+        sqlx::query("update user set balance = balance - ? where id = ?")
+            .bind(&cost)
+            .bind(&user_id)
+            .execute(&mut *tx)
+            .await?;
+
+        let balance: i64 = sqlx::query("select balance from user where id = ?")
+            .bind(&user_id)
+            .fetch_one(&mut *tx)
+            .await?
+            .try_get(0)?;
+
+        tx.commit().await?;
+
+        Ok(balance)
+    }
 }

crates/zap-stream-db/src/model.rs

@@ -1,7 +1,6 @@
 use chrono::{DateTime, Utc};
 use sqlx::{FromRow, Type};
 use std::fmt::{Display, Formatter};
-use uuid::Uuid;
 
 #[derive(Debug, Clone, FromRow)]
 pub struct User {

crates/zap-stream/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "zap-stream"
+version = "0.1.0"

crates/zap-stream/Cargo.toml

@@ -0,0 +1,43 @@
+[package]
+name = "zap-stream"
+version = "0.1.0"
+edition = "2021"
+
+[features]
+default = ["srt", "rtmp", "test-pattern"]
+srt = ["zap-stream-core/srt"]
+rtmp = ["zap-stream-core/rtmp"]
+test-pattern = ["zap-stream-core/test-pattern", "zap-stream-db/test-pattern"]
+
+[dependencies]
+zap-stream-db = { path = "../zap-stream-db" }
+zap-stream-core = { path = "../core" }
+
+uuid.workspace = true
+ffmpeg-rs-raw.workspace = true
+anyhow.workspace = true
+log.workspace = true
+tokio.workspace = true
+async-trait.workspace = true
+serde.workspace = true
+chrono.workspace = true
+hex.workspace = true
+url.workspace = true
+
+# http setuff
+hyper = { version = "1.5.1", features = ["server"] }
+bytes = "1.8.0"
+http-body-util = "0.1.2"
+tokio-util = "0.7.13"
+hyper-util = "0.1.10"
+
+# direct deps
+config = { version = "0.15.6", features = ["yaml"] }
+nostr-sdk = { version = "0.38.0" }
+fedimint-tonic-lnd = { version = "0.2.0", default-features = false, features = ["invoicesrpc", "versionrpc"] }
+reqwest = { version = "0.12.9", features = ["stream", "json"] }
+base64 = { version = "0.22.1" }
+sha2 = { version = "0.10.8" }
+pretty_env_logger = "0.5.0"
+clap = { version = "4.5.16", features = ["derive"] }
+futures-util = "0.3.31"

crates/zap-stream/Dockerfile

@@ -31,7 +31,7 @@ RUN git clone --single-branch --branch release/7.1 https://git.ffmpeg.org/ffmpeg
     --disable-static \
     --enable-shared && \
     make -j$(nproc) && make install
-RUN cargo install --path . --bin zap-stream-core --root /app/build --features zap-stream
+RUN cargo install --path ./crates/zap-stream --root /app/build
 
 FROM $IMAGE AS runner
 WORKDIR /app
@@ -40,4 +40,4 @@ RUN apt update && \
     rm -rf /var/lib/apt/lists/*
 COPY --from=build /app/build .
 COPY --from=build /app/ffmpeg/lib/ /lib
-ENTRYPOINT ["/app/bin/zap-stream-core"]
+ENTRYPOINT ["/app/bin/zap-stream"]

crates/zap-stream/config.yaml

@@ -5,6 +5,10 @@ endpoints:
   - "rtmp://127.0.0.1:3336"
   - "srt://127.0.0.1:3335"
   - "tcp://127.0.0.1:3334"
+  - "test-pattern://"
+
+# Public hostname which points to the IP address used to listen for all [endpoints]
+endpoints_public_hostname: "localhost"
 
 # Output directory for recording / hls
 output_dir: "./out"
@@ -38,6 +42,7 @@ listen_http: "127.0.0.1:8080"
 #
 overseer:
   zap-stream:
+    cost: 16
     nsec: "nsec1wya428srvpu96n4h78gualaj7wqw4ecgatgja8d5ytdqrxw56r2se440y4"
     #blossom:
     #  - "http://localhost:8881"

crates/zap-stream/dev-setup/db.sql

@@ -0,0 +1,2 @@
+create database route96;
+create database zap_stream;

crates/zap-stream/dev-setup/route96.yaml

@@ -0,0 +1,5 @@
+listen: "0.0.0.0:8000"
+database: "mysql://root:root@db:3306/route96"
+storage_dir: "./data"
+max_upload_bytes: 5e+9
+public_url: "http://localhost:8881"

crates/zap-stream/dev-setup/strfry.conf

@@ -0,0 +1,144 @@
+##
+## Default strfry config
+##
+
+# Directory that contains the strfry LMDB database (restart required)
+db = "./strfry-db/"
+
+dbParams {
+    # Maximum number of threads/processes that can simultaneously have LMDB transactions open (restart required)
+    maxreaders = 256
+
+    # Size of mmap() to use when loading LMDB (default is 10TB, does *not* correspond to disk-space used) (restart required)
+    mapsize = 10995116277760
+
+    # Disables read-ahead when accessing the LMDB mapping. Reduces IO activity when DB size is larger than RAM. (restart required)
+    noReadAhead = false
+}
+
+events {
+    # Maximum size of normalised JSON, in bytes
+    maxEventSize = 65536
+
+    # Events newer than this will be rejected
+    rejectEventsNewerThanSeconds = 900
+
+    # Events older than this will be rejected
+    rejectEventsOlderThanSeconds = 94608000
+
+    # Ephemeral events older than this will be rejected
+    rejectEphemeralEventsOlderThanSeconds = 60
+
+    # Ephemeral events will be deleted from the DB when older than this
+    ephemeralEventsLifetimeSeconds = 300
+
+    # Maximum number of tags allowed
+    maxNumTags = 2000
+
+    # Maximum size for tag values, in bytes
+    maxTagValSize = 1024
+}
+
+relay {
+    # Interface to listen on. Use 0.0.0.0 to listen on all interfaces (restart required)
+    bind = "0.0.0.0"
+
+    # Port to open for the nostr websocket protocol (restart required)
+    port = 7777
+
+    # Set OS-limit on maximum number of open files/sockets (if 0, don't attempt to set) (restart required)
+    nofiles = 0
+
+    # HTTP header that contains the client's real IP, before reverse proxying (ie x-real-ip) (MUST be all lower-case)
+    realIpHeader = ""
+
+    info {
+        # NIP-11: Name of this server. Short/descriptive (< 30 characters)
+        name = "strfry default"
+
+        # NIP-11: Detailed information about relay, free-form
+        description = "This is a strfry instance."
+
+        # NIP-11: Administrative nostr pubkey, for contact purposes
+        pubkey = ""
+
+        # NIP-11: Alternative administrative contact (email, website, etc)
+        contact = ""
+
+        # NIP-11: URL pointing to an image to be used as an icon for the relay
+        icon = ""
+
+        # List of supported lists as JSON array, or empty string to use default. Example: "[1,2]"
+        nips = ""
+    }
+
+    # Maximum accepted incoming websocket frame size (should be larger than max event) (restart required)
+    maxWebsocketPayloadSize = 131072
+
+    # Websocket-level PING message frequency (should be less than any reverse proxy idle timeouts) (restart required)
+    autoPingSeconds = 55
+
+    # If TCP keep-alive should be enabled (detect dropped connections to upstream reverse proxy)
+    enableTcpKeepalive = false
+
+    # How much uninterrupted CPU time a REQ query should get during its DB scan
+    queryTimesliceBudgetMicroseconds = 10000
+
+    # Maximum records that can be returned per filter
+    maxFilterLimit = 500
+
+    # Maximum number of subscriptions (concurrent REQs) a connection can have open at any time
+    maxSubsPerConnection = 20
+
+    writePolicy {
+        # If non-empty, path to an executable script that implements the writePolicy plugin logic
+        plugin = ""
+    }
+
+    compression {
+        # Use permessage-deflate compression if supported by client. Reduces bandwidth, but slight increase in CPU (restart required)
+        enabled = true
+
+        # Maintain a sliding window buffer for each connection. Improves compression, but uses more memory (restart required)
+        slidingWindow = true
+    }
+
+    logging {
+        # Dump all incoming messages
+        dumpInAll = false
+
+        # Dump all incoming EVENT messages
+        dumpInEvents = false
+
+        # Dump all incoming REQ/CLOSE messages
+        dumpInReqs = false
+
+        # Log performance metrics for initial REQ database scans
+        dbScanPerf = false
+
+        # Log reason for invalid event rejection? Can be disabled to silence excessive logging
+        invalidEvents = true
+    }
+
+    numThreads {
+        # Ingester threads: route incoming requests, validate events/sigs (restart required)
+        ingester = 3
+
+        # reqWorker threads: Handle initial DB scan for events (restart required)
+        reqWorker = 3
+
+        # reqMonitor threads: Handle filtering of new events (restart required)
+        reqMonitor = 3
+
+        # negentropy threads: Handle negentropy protocol messages (restart required)
+        negentropy = 2
+    }
+
+    negentropy {
+        # Support negentropy protocol messages
+        enabled = true
+
+        # Maximum records that sync will process before returning an error
+        maxSyncEvents = 1000000
+    }
+}

crates/zap-stream/docker-compose.yml

@@ -18,14 +18,14 @@ services:
   blossom:
     depends_on:
       - db
-    image: voidic/route96
+    image: voidic/route96:latest
     environment:
       - "RUST_LOG=info"
     ports:
       - "8881:8000"
     volumes:
       - "blossom:/app/data"
-      - "./dev-setup/route96.toml:/app/config.toml"
+      - "./dev-setup/route96.yaml:/app/config.yaml"
 volumes:
   db:
   blossom:

crates/zap-stream/src/api.rs

@@ -0,0 +1,204 @@
+use crate::http::check_nip98_auth;
+use crate::settings::Settings;
+use crate::ListenerEndpoint;
+use anyhow::{anyhow, bail, Result};
+use bytes::Bytes;
+use fedimint_tonic_lnd::tonic::codegen::Body;
+use http_body_util::combinators::BoxBody;
+use http_body_util::{BodyExt, Full};
+use hyper::body::Incoming;
+use hyper::{Method, Request, Response};
+use nostr_sdk::{serde_json, Event, PublicKey};
+use serde::{Deserialize, Serialize};
+use std::net::SocketAddr;
+use std::str::FromStr;
+use url::Url;
+use zap_stream_db::ZapStreamDb;
+
+#[derive(Clone)]
+pub struct Api {
+    db: ZapStreamDb,
+    settings: Settings,
+}
+
+impl Api {
+    pub fn new(db: ZapStreamDb, settings: Settings) -> Self {
+        Self { db, settings }
+    }
+
+    pub async fn handler(
+        self,
+        req: Request<Incoming>,
+    ) -> Result<Response<BoxBody<Bytes, anyhow::Error>>, anyhow::Error> {
+        let base = Response::builder()
+            .header("server", "zap-stream")
+            .header("access-control-allow-origin", "*")
+            .header("access-control-allow-headers", "*")
+            .header("access-control-allow-methods", "HEAD, GET");
+
+        Ok(match (req.method(), req.uri().path()) {
+            (&Method::GET, "/api/v1/account") => {
+                let auth = check_nip98_auth(&req)?;
+                let rsp = self.get_account(&auth.pubkey).await?;
+                return Ok(base.body(Self::body_json(&rsp)?)?);
+            }
+            (&Method::PATCH, "/api/v1/account") => {
+                let auth = check_nip98_auth(&req)?;
+                let body = req.collect().await?.to_bytes();
+                let r_body: PatchAccount = serde_json::from_slice(&body)?;
+                let rsp = self.update_account(&auth.pubkey, r_body).await?;
+                return Ok(base.body(Self::body_json(&rsp)?)?);
+            }
+            (&Method::GET, "/api/v1/topup") => {
+                let auth = check_nip98_auth(&req)?;
+                let url: Url = req.uri().to_string().parse()?;
+                let amount: usize = url
+                    .query_pairs()
+                    .find_map(|(k, v)| if k == "amount" { Some(v) } else { None })
+                    .and_then(|v| v.parse().ok())
+                    .ok_or(anyhow!("Missing amount"))?;
+                let rsp = self.topup(&auth.pubkey, amount).await?;
+                return Ok(base.body(Self::body_json(&rsp)?)?);
+            }
+            (&Method::PATCH, "/api/v1/event") => {
+                bail!("Not implemented")
+            }
+            (&Method::POST, "/api/v1/withdraw") => {
+                bail!("Not implemented")
+            }
+            (&Method::POST, "/api/v1/account/forward") => {
+                bail!("Not implemented")
+            }
+            (&Method::DELETE, "/api/v1/account/forward/<id>") => {
+                bail!("Not implemented")
+            }
+            (&Method::GET, "/api/v1/account/history") => {
+                bail!("Not implemented")
+            }
+            (&Method::GET, "/api/v1/account/keys") => {
+                bail!("Not implemented")
+            }
+            _ => {
+                if req.method() == Method::OPTIONS {
+                    base.body(Default::default())?
+                } else {
+                    base.status(404).body(Default::default())?
+                }
+            }
+        })
+    }
+
+    fn body_json<T: Serialize>(obj: &T) -> Result<BoxBody<Bytes, anyhow::Error>> {
+        Ok(Full::from(serde_json::to_string(obj)?)
+            .map_err(|e| match e {})
+            .boxed())
+    }
+
+    async fn get_account(&self, pubkey: &PublicKey) -> Result<AccountInfo> {
+        let uid = self.db.upsert_user(&pubkey.to_bytes()).await?;
+        let user = self.db.get_user(uid).await?;
+
+        Ok(AccountInfo {
+            endpoints: self
+                .settings
+                .endpoints
+                .iter()
+                .filter_map(|e| match ListenerEndpoint::from_str(&e).ok()? {
+                    ListenerEndpoint::SRT { endpoint } => {
+                        let addr: SocketAddr = endpoint.parse().ok()?;
+                        Some(Endpoint {
+                            name: "SRT".to_string(),
+                            url: format!(
+                                "srt://{}:{}",
+                                self.settings.endpoints_public_hostname,
+                                addr.port()
+                            ),
+                            key: user.stream_key.clone(),
+                            capabilities: vec![],
+                        })
+                    }
+                    ListenerEndpoint::RTMP { endpoint } => {
+                        let addr: SocketAddr = endpoint.parse().ok()?;
+                        Some(Endpoint {
+                            name: "RTMP".to_string(),
+                            url: format!(
+                                "rtmp://{}:{}",
+                                self.settings.endpoints_public_hostname,
+                                addr.port()
+                            ),
+                            key: user.stream_key.clone(),
+                            capabilities: vec![],
+                        })
+                    }
+                    ListenerEndpoint::TCP { endpoint } => {
+                        let addr: SocketAddr = endpoint.parse().ok()?;
+                        Some(Endpoint {
+                            name: "TCP".to_string(),
+                            url: format!(
+                                "tcp://{}:{}",
+                                self.settings.endpoints_public_hostname,
+                                addr.port()
+                            ),
+                            key: user.stream_key.clone(),
+                            capabilities: vec![],
+                        })
+                    }
+                    ListenerEndpoint::File { .. } => None,
+                    ListenerEndpoint::TestPattern => None,
+                })
+                .collect(),
+            event: None,
+            balance: user.balance as u64,
+            tos: AccountTos {
+                accepted: user.tos_accepted.is_some(),
+                link: "https://zap.stream/tos".to_string(),
+            },
+        })
+    }
+
+    async fn update_account(&self, pubkey: &PublicKey, account: PatchAccount) -> Result<()> {
+        bail!("Not implemented")
+    }
+
+    async fn topup(&self, pubkey: &PublicKey, amount: usize) -> Result<TopupResponse> {
+        bail!("Not implemented")
+    }
+}
+
+#[derive(Deserialize, Serialize)]
+struct AccountInfo {
+    pub endpoints: Vec<Endpoint>,
+    pub event: Option<Event>,
+    pub balance: u64,
+    pub tos: AccountTos,
+}
+
+#[derive(Deserialize, Serialize)]
+struct Endpoint {
+    pub name: String,
+    pub url: String,
+    pub key: String,
+    pub capabilities: Vec<String>,
+}
+
+#[derive(Deserialize, Serialize)]
+struct EndpointCost {
+    pub unit: String,
+    pub rate: u16,
+}
+
+#[derive(Deserialize, Serialize)]
+struct AccountTos {
+    pub accepted: bool,
+    pub link: String,
+}
+
+#[derive(Deserialize, Serialize)]
+struct PatchAccount {
+    pub accept_tos: Option<bool>,
+}
+
+#[derive(Deserialize, Serialize)]
+struct TopupResponse {
+    pub pr: String,
+}

crates/zap-stream/src/blossom.rs

@@ -59,15 +59,11 @@ impl Blossom {
     ) -> Result<BlobDescriptor> {
         let mut f = File::open(from_file).await?;
         let hash = Self::hash_file(&mut f).await?;
-        let auth_event = EventBuilder::new(
+        let auth_event = EventBuilder::new(Kind::Custom(24242), "Upload blob").tags([
-            Kind::Custom(24242),
-            "Upload blob",
-            [
             Tag::hashtag("upload"),
-                Tag::parse(&["x", &hash])?,
+            Tag::parse(["x", &hash])?,
             Tag::expiration(Timestamp::now().add(60)),
-            ],
+        ]);
-        );
 
         let auth_event = auth_event.sign_with_keys(keys)?;
 

crates/zap-stream/src/http.rs

@@ -0,0 +1,118 @@
+use crate::api::Api;
+use crate::overseer::ZapStreamOverseer;
+use anyhow::{bail, Result};
+use base64::Engine;
+use bytes::Bytes;
+use futures_util::TryStreamExt;
+use http_body_util::combinators::BoxBody;
+use http_body_util::{BodyExt, Full, StreamBody};
+use hyper::body::{Frame, Incoming};
+use hyper::service::Service;
+use hyper::{Method, Request, Response};
+use log::{error, info};
+use nostr_sdk::{serde_json, Event};
+use std::future::Future;
+use std::path::PathBuf;
+use std::pin::Pin;
+use std::sync::Arc;
+use tokio::fs::File;
+use tokio_util::io::ReaderStream;
+use zap_stream_core::overseer::Overseer;
+
+#[derive(Clone)]
+pub struct HttpServer {
+    index: String,
+    files_dir: PathBuf,
+    api: Api,
+}
+
+impl HttpServer {
+    pub fn new(index: String, files_dir: PathBuf, api: Api) -> Self {
+        Self {
+            index,
+            files_dir,
+            api,
+        }
+    }
+}
+
+impl Service<Request<Incoming>> for HttpServer {
+    type Response = Response<BoxBody<Bytes, Self::Error>>;
+    type Error = anyhow::Error;
+    type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
+
+    fn call(&self, req: Request<Incoming>) -> Self::Future {
+        // check is index.html
+        if req.method() == Method::GET && req.uri().path() == "/"
+            || req.uri().path() == "/index.html"
+        {
+            let index = self.index.clone();
+            return Box::pin(async move {
+                Ok(Response::builder()
+                    .header("content-type", "text/html")
+                    .header("server", "zap-stream-core")
+                    .body(
+                        Full::new(Bytes::from(index))
+                            .map_err(|e| match e {})
+                            .boxed(),
+                    )?)
+            });
+        }
+
+        // check if mapped to file
+        let mut dst_path = self.files_dir.join(req.uri().path()[1..].to_string());
+        if dst_path.exists() {
+            return Box::pin(async move {
+                let mut rsp = Response::builder()
+                    .header("server", "zap-stream-core")
+                    .header("access-control-allow-origin", "*")
+                    .header("access-control-allow-headers", "*")
+                    .header("access-control-allow-methods", "HEAD, GET");
+
+                if req.method() == Method::HEAD {
+                    return Ok(rsp.body(BoxBody::default())?);
+                }
+                let f = File::open(&dst_path).await?;
+                let f_stream = ReaderStream::new(f);
+                let body = StreamBody::new(
+                    f_stream
+                        .map_ok(Frame::data)
+                        .map_err(|e| Self::Error::new(e)),
+                )
+                .boxed();
+                Ok(rsp.body(body)?)
+            });
+        }
+
+        // otherwise handle in overseer
+        let mut api = self.api.clone();
+        Box::pin(async move {
+            match api.handler(req).await {
+                Ok(res) => Ok(res),
+                Err(e) => {
+                    error!("{}", e);
+                    Ok(Response::builder().status(500).body(BoxBody::default())?)
+                }
+            }
+        })
+    }
+}
+
+pub fn check_nip98_auth(req: &Request<Incoming>) -> Result<Event> {
+    let auth = if let Some(a) = req.headers().get("authorization") {
+        a.to_str()?
+    } else {
+        bail!("Authorization header missing");
+    };
+
+    if !auth.starts_with("Nostr ") {
+        bail!("Invalid authorization scheme");
+    }
+
+    let json =
+        String::from_utf8(base64::engine::general_purpose::STANDARD.decode(auth[6..].as_bytes())?)?;
+    info!("{}", json);
+
+    // TODO: check tags
+    Ok(serde_json::from_str::<Event>(&json)?)
+}

crates/zap-stream/src/main.rs

@@ -0,0 +1,183 @@
+use anyhow::{bail, Result};
+use clap::Parser;
+use config::Config;
+use ffmpeg_rs_raw::ffmpeg_sys_the_third::{av_log_set_callback, av_version_info};
+use ffmpeg_rs_raw::{av_log_redirect, rstr};
+use hyper::server::conn::http1;
+use hyper_util::rt::TokioIo;
+use log::{error, info};
+use std::net::SocketAddr;
+use std::path::PathBuf;
+use std::str::FromStr;
+use std::sync::Arc;
+use std::time::Duration;
+use tokio::net::TcpListener;
+use tokio::task::JoinHandle;
+use tokio::time::sleep;
+use url::Url;
+#[cfg(feature = "rtmp")]
+use zap_stream_core::ingress::rtmp;
+#[cfg(feature = "srt")]
+use zap_stream_core::ingress::srt;
+#[cfg(feature = "test-pattern")]
+use zap_stream_core::ingress::test;
+
+use crate::api::Api;
+use crate::http::HttpServer;
+use crate::monitor::BackgroundMonitor;
+use crate::overseer::ZapStreamOverseer;
+use crate::settings::Settings;
+use zap_stream_core::ingress::{file, tcp};
+use zap_stream_core::overseer::Overseer;
+
+mod api;
+mod blossom;
+mod http;
+mod monitor;
+mod overseer;
+mod settings;
+
+#[derive(Parser, Debug)]
+struct Args {}
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    pretty_env_logger::init();
+
+    let _args = Args::parse();
+
+    unsafe {
+        av_log_set_callback(Some(av_log_redirect));
+        info!("FFMPEG version={}", rstr!(av_version_info()));
+    }
+
+    let builder = Config::builder()
+        .add_source(config::File::with_name("config.yaml"))
+        .add_source(config::Environment::with_prefix("APP"))
+        .build()?;
+
+    let settings: Settings = builder.try_deserialize()?;
+    let overseer = settings.get_overseer().await?;
+
+    // Create ingress listeners
+    let mut tasks = vec![];
+    for e in &settings.endpoints {
+        match try_create_listener(e, &settings.output_dir, &overseer) {
+            Ok(l) => tasks.push(l),
+            Err(e) => error!("{}", e),
+        }
+    }
+
+    let http_addr: SocketAddr = settings.listen_http.parse()?;
+    let index_html = include_str!("../index.html").replace("%%PUBLIC_URL%%", &settings.public_url);
+
+    let api = Api::new(overseer.database(), settings.clone());
+    // HTTP server
+    let server = HttpServer::new(index_html, PathBuf::from(settings.output_dir), api);
+    tasks.push(tokio::spawn(async move {
+        let listener = TcpListener::bind(&http_addr).await?;
+
+        loop {
+            let (socket, _) = listener.accept().await?;
+            let io = TokioIo::new(socket);
+            let server = server.clone();
+            tokio::spawn(async move {
+                if let Err(e) = http1::Builder::new().serve_connection(io, server).await {
+                    error!("Failed to handle request: {}", e);
+                }
+            });
+        }
+    }));
+
+    // Background worker
+    let mut bg = BackgroundMonitor::new(overseer.clone());
+    tasks.push(tokio::spawn(async move {
+        loop {
+            if let Err(e) = bg.check().await {
+                error!("{}", e);
+            }
+            sleep(Duration::from_secs(10)).await;
+        }
+    }));
+
+    // Join tasks and get errors
+    for handle in tasks {
+        if let Err(e) = handle.await? {
+            error!("{e}");
+        }
+    }
+    info!("Server closed");
+    Ok(())
+}
+
+pub enum ListenerEndpoint {
+    SRT { endpoint: String },
+    RTMP { endpoint: String },
+    TCP { endpoint: String },
+    File { path: PathBuf },
+    TestPattern,
+}
+
+impl FromStr for ListenerEndpoint {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
+        let url: Url = s.parse()?;
+        match url.scheme() {
+            "srt" => Ok(Self::SRT {
+                endpoint: format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
+            }),
+            "rtmp" => Ok(Self::RTMP {
+                endpoint: format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
+            }),
+            "tcp" => Ok(Self::TCP {
+                endpoint: format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
+            }),
+            "file" => Ok(Self::File {
+                path: PathBuf::from(url.path()),
+            }),
+            "test-pattern" => Ok(Self::TestPattern),
+            _ => bail!("Unsupported endpoint scheme: {}", url.scheme()),
+        }
+    }
+}
+
+fn try_create_listener(
+    u: &str,
+    out_dir: &str,
+    overseer: &Arc<ZapStreamOverseer>,
+) -> Result<JoinHandle<Result<()>>> {
+    let ep = ListenerEndpoint::from_str(u)?;
+    match ep {
+        #[cfg(feature = "srt")]
+        ListenerEndpoint::SRT { endpoint } => Ok(tokio::spawn(srt::listen(
+            out_dir.to_string(),
+            endpoint,
+            overseer.clone(),
+        ))),
+        #[cfg(feature = "rtmp")]
+        ListenerEndpoint::RTMP { endpoint } => Ok(tokio::spawn(rtmp::listen(
+            out_dir.to_string(),
+            endpoint,
+            overseer.clone(),
+        ))),
+        ListenerEndpoint::TCP { endpoint } => Ok(tokio::spawn(tcp::listen(
+            out_dir.to_string(),
+            endpoint,
+            overseer.clone(),
+        ))),
+        ListenerEndpoint::File { path } => Ok(tokio::spawn(file::listen(
+            out_dir.to_string(),
+            path,
+            overseer.clone(),
+        ))),
+        #[cfg(feature = "test-pattern")]
+        ListenerEndpoint::TestPattern => Ok(tokio::spawn(test::listen(
+            out_dir.to_string(),
+            overseer.clone(),
+        ))),
+        _ => {
+            bail!("Unknown endpoint config: {u}");
+        }
+    }
+}

crates/zap-stream/src/monitor.rs

@@ -0,0 +1,19 @@
+use crate::overseer::ZapStreamOverseer;
+use anyhow::Result;
+use std::sync::Arc;
+use zap_stream_core::overseer::Overseer;
+
+/// Monitor stream status, perform any necessary cleanup
+pub struct BackgroundMonitor {
+    overseer: Arc<ZapStreamOverseer>,
+}
+
+impl BackgroundMonitor {
+    pub fn new(overseer: Arc<ZapStreamOverseer>) -> Self {
+        Self { overseer }
+    }
+
+    pub async fn check(&mut self) -> Result<()> {
+        self.overseer.check_streams().await
+    }
+}

crates/zap-stream/src/overseer.rs

@@ -1,30 +1,44 @@
 use crate::blossom::{BlobDescriptor, Blossom};
-use crate::egress::hls::HlsEgress;
-use crate::egress::EgressConfig;
-use crate::ingress::ConnectionInfo;
-use crate::overseer::{get_default_variants, IngressInfo, Overseer};
-use crate::pipeline::{EgressType, PipelineConfig};
 use crate::settings::LndSettings;
-use crate::variant::StreamMapping;
 use anyhow::{anyhow, bail, Result};
 use async_trait::async_trait;
+use base64::alphabet::STANDARD;
+use base64::Engine;
+use bytes::Bytes;
 use chrono::Utc;
 use fedimint_tonic_lnd::verrpc::VersionRequest;
 use ffmpeg_rs_raw::ffmpeg_sys_the_third::AVCodecID::AV_CODEC_ID_MJPEG;
 use ffmpeg_rs_raw::ffmpeg_sys_the_third::AVFrame;
+use ffmpeg_rs_raw::ffmpeg_sys_the_third::AVPixelFormat::AV_PIX_FMT_YUV420P;
 use ffmpeg_rs_raw::Encoder;
 use futures_util::FutureExt;
-use log::{info, warn};
+use http_body_util::combinators::BoxBody;
+use http_body_util::{BodyExt, Full};
+use hyper::body::Incoming;
+use hyper::{Method, Request, Response};
+use log::{error, info, warn};
 use nostr_sdk::bitcoin::PrivateKey;
 use nostr_sdk::prelude::Coordinate;
 use nostr_sdk::{Client, Event, EventBuilder, JsonUtil, Keys, Kind, Tag, ToBech32};
+use serde::Serialize;
+use std::collections::HashSet;
 use std::env::temp_dir;
 use std::fs::create_dir_all;
 use std::path::PathBuf;
 use std::str::FromStr;
+use std::sync::Arc;
+use tokio::sync::RwLock;
 use url::Url;
 use uuid::Uuid;
-use warp::Filter;
+use zap_stream_core::egress::hls::HlsEgress;
+use zap_stream_core::egress::{EgressConfig, EgressSegment};
+use zap_stream_core::ingress::ConnectionInfo;
+use zap_stream_core::overseer::{IngressInfo, IngressStreamType, Overseer};
+use zap_stream_core::pipeline::{EgressType, PipelineConfig};
+use zap_stream_core::variant::audio::AudioVariant;
+use zap_stream_core::variant::mapping::VariantMapping;
+use zap_stream_core::variant::video::VideoVariant;
+use zap_stream_core::variant::{StreamMapping, VariantStream};
 use zap_stream_db::sqlx::Encode;
 use zap_stream_db::{UserStream, UserStreamState, ZapStreamDb};
 
@@ -46,6 +60,11 @@ pub struct ZapStreamOverseer {
     blossom_servers: Vec<Blossom>,
     /// Public facing URL pointing to [out_dir]
     public_url: String,
+    /// Cost / second / variant
+    cost: i64,
+    /// Currently active streams
+    /// Any streams which are not contained in this set are dead
+    active_streams: Arc<RwLock<HashSet<Uuid>>>,
 }
 
 impl ZapStreamOverseer {
@@ -57,10 +76,25 @@ impl ZapStreamOverseer {
         lnd: &LndSettings,
         relays: &Vec<String>,
         blossom_servers: &Option<Vec<String>>,
+        cost: i64,
     ) -> Result<Self> {
         let db = ZapStreamDb::new(db).await?;
         db.migrate().await?;
 
+        #[cfg(debug_assertions)]
+        {
+            let uid = db.upsert_user(&[0; 32]).await?;
+            db.update_user_balance(uid, 100_000_000).await?;
+            let user = db.get_user(uid).await?;
+
+            info!(
+                "ZERO pubkey: uid={},key={},balance={}",
+                user.id,
+                user.stream_key,
+                user.balance / 1000
+            );
+        }
+
         let mut lnd = fedimint_tonic_lnd::connect(
             lnd.address.clone(),
             PathBuf::from(&lnd.cert),
@@ -94,9 +128,15 @@ impl ZapStreamOverseer {
                 .map(|b| Blossom::new(b))
                 .collect(),
             public_url: public_url.clone(),
+            cost,
+            active_streams: Arc::new(RwLock::new(HashSet::new())),
         })
     }
 
+    pub(crate) fn database(&self) -> ZapStreamDb {
+        self.db.clone()
+    }
+
     fn stream_to_event_builder(&self, stream: &UserStream) -> Result<EventBuilder> {
         let mut tags = vec![
             Tag::parse(&["d".to_string(), stream.id.to_string()])?,
@@ -141,71 +181,95 @@ impl ZapStreamOverseer {
 
         let kind = Kind::from(STREAM_EVENT_KIND);
         let coord = Coordinate::new(kind, self.keys.public_key).identifier(&stream.id);
-        tags.push(Tag::parse(&[
+        tags.push(Tag::parse([
             "alt",
             &format!("Watch live on https://zap.stream/{}", coord.to_bech32()?),
         ])?);
-        Ok(EventBuilder::new(kind, "", tags))
+        Ok(EventBuilder::new(kind, "").tags(tags))
     }
 
     fn blob_to_event_builder(&self, stream: &BlobDescriptor) -> Result<EventBuilder> {
         let tags = if let Some(tags) = stream.nip94.as_ref() {
             tags.iter()
-                .map_while(|(k, v)| Tag::parse(&[k, v]).ok())
+                .map_while(|(k, v)| Tag::parse([k, v]).ok())
                 .collect()
         } else {
             let mut tags = vec![
-                Tag::parse(&["x", &stream.sha256])?,
+                Tag::parse(["x", &stream.sha256])?,
-                Tag::parse(&["url", &stream.url])?,
+                Tag::parse(["url", &stream.url])?,
-                Tag::parse(&["size", &stream.size.to_string()])?,
+                Tag::parse(["size", &stream.size.to_string()])?,
             ];
             if let Some(m) = stream.mime_type.as_ref() {
-                tags.push(Tag::parse(&["m", m])?)
+                tags.push(Tag::parse(["m", m])?)
             }
             tags
         };
 
-        Ok(EventBuilder::new(Kind::FileMetadata, "", tags))
+        Ok(EventBuilder::new(Kind::FileMetadata, "").tags(tags))
     }
 
     async fn publish_stream_event(&self, stream: &UserStream, pubkey: &Vec<u8>) -> Result<Event> {
-        let mut extra_tags = vec![
+        let extra_tags = vec![
-            Tag::parse(&["p", hex::encode(pubkey).as_str(), "", "host"])?,
+            Tag::parse(["p", hex::encode(pubkey).as_str(), "", "host"])?,
-            Tag::parse(&[
+            Tag::parse([
                 "streaming",
-                self.map_to_public_url(stream, "live.m3u8")?.as_str(),
+                self.map_to_stream_public_url(stream, "live.m3u8")?.as_str(),
             ])?,
-            Tag::parse(&[
+            Tag::parse([
                 "image",
-                self.map_to_public_url(stream, "thumb.webp")?.as_str(),
+                self.map_to_stream_public_url(stream, "thumb.webp")?
+                    .as_str(),
             ])?,
+            Tag::parse(["service", self.map_to_public_url("api/v1")?.as_str()])?,
         ];
-        // flag NIP94 streaming when using blossom servers
-        if self.blossom_servers.len() > 0 {
-            extra_tags.push(Tag::parse(&["streaming", "nip94"])?);
-        }
         let ev = self
             .stream_to_event_builder(stream)?
-            .add_tags(extra_tags)
+            .tags(extra_tags)
             .sign_with_keys(&self.keys)?;
         self.client.send_event(ev.clone()).await?;
         Ok(ev)
     }
 
-    fn map_to_public_url<'a>(
+    fn map_to_stream_public_url(&self, stream: &UserStream, path: &str) -> Result<String> {
-        &self,
+        self.map_to_public_url(&format!("{}/{}", stream.id, path))
-        stream: &UserStream,
+    }
-        path: impl Into<&'a str>,
+
-    ) -> Result<String> {
+    fn map_to_public_url(&self, path: &str) -> Result<String> {
         let u: Url = self.public_url.parse()?;
-        Ok(u.join(&format!("/{}/", stream.id))?
+        Ok(u.join(path)?.to_string())
-            .join(path.into())?
-            .to_string())
     }
 }
 
+#[derive(Serialize)]
+struct Endpoint {}
+
+#[derive(Serialize)]
+struct AccountInfo {
+    pub endpoints: Vec<Endpoint>,
+    pub event: Event,
+    pub balance: u64,
+}
 #[async_trait]
 impl Overseer for ZapStreamOverseer {
+    async fn check_streams(&self) -> Result<()> {
+        let active_streams = self.db.list_live_streams().await?;
+        for stream in active_streams {
+            // check
+            let id = Uuid::parse_str(&stream.id)?;
+            info!("Checking stream is alive: {}", stream.id);
+            let is_active = {
+                let streams = self.active_streams.read().await;
+                streams.contains(&id)
+            };
+            if !is_active {
+                if let Err(e) = self.on_end(&id).await {
+                    error!("Failed to end dead stream {}: {}", &id, e);
+                }
+            }
+        }
+        Ok(())
+    }
+
     async fn start_stream(
         &self,
         connection: &ConnectionInfo,
@@ -217,6 +281,11 @@ impl Overseer for ZapStreamOverseer {
             .await?
             .ok_or_else(|| anyhow::anyhow!("User not found"))?;
 
+        let user = self.db.get_user(uid).await?;
+        if user.balance <= 0 {
+            bail!("Not enough balance");
+        }
+
         let variants = get_default_variants(&stream_info)?;
 
         let mut egress = vec![];
@@ -225,7 +294,6 @@ impl Overseer for ZapStreamOverseer {
             variants: variants.iter().map(|v| v.id()).collect(),
         }));
 
-        let user = self.db.get_user(uid).await?;
         let stream_id = Uuid::new_v4();
         // insert new stream record
         let mut new_stream = UserStream {
@@ -238,8 +306,12 @@ impl Overseer for ZapStreamOverseer {
         let stream_event = self.publish_stream_event(&new_stream, &user.pubkey).await?;
         new_stream.event = Some(stream_event.as_json());
 
+        let mut streams = self.active_streams.write().await;
+        streams.insert(stream_id.clone());
+
         self.db.insert_stream(&new_stream).await?;
         self.db.update_stream(&new_stream).await?;
+
         Ok(PipelineConfig {
             id: stream_id,
             variants,
@@ -247,18 +319,29 @@ impl Overseer for ZapStreamOverseer {
         })
     }
 
-    async fn on_segment(
+    async fn on_segments(
         &self,
         pipeline_id: &Uuid,
-        variant_id: &Uuid,
+        added: &Vec<EgressSegment>,
-        index: u64,
+        deleted: &Vec<EgressSegment>,
-        duration: f32,
-        path: &PathBuf,
     ) -> Result<()> {
-        // Upload to blossom servers if configured
+        let stream = self.db.get_stream(pipeline_id).await?;
+
+        let duration = added.iter().fold(0.0, |acc, v| acc + v.duration);
+        let cost = self.cost * duration.round() as i64;
+        let bal = self
+            .db
+            .tick_stream(pipeline_id, stream.user_id, duration, cost)
+            .await?;
+        if bal <= 0 {
+            bail!("Not enough balance");
+        }
+
+        // Upload to blossom servers if configured (N94)
         let mut blobs = vec![];
+        for seg in added {
             for b in &self.blossom_servers {
-            blobs.push(b.upload(path, &self.keys, Some("video/mp2t")).await?);
+                blobs.push(b.upload(&seg.path, &self.keys, Some("video/mp2t")).await?);
             }
             if let Some(blob) = blobs.first() {
                 let a_tag = format!(
@@ -267,13 +350,24 @@ impl Overseer for ZapStreamOverseer {
                     self.keys.public_key.to_hex(),
                     pipeline_id
                 );
-            let mut n94 = self.blob_to_event_builder(blob)?.add_tags([
+                let mut n94 = self.blob_to_event_builder(blob)?.tags([
-                Tag::parse(&["a", &a_tag])?,
+                    Tag::parse(["a", &a_tag])?,
-                Tag::parse(&["d", variant_id.to_string().as_str()])?,
+                    Tag::parse(["d", seg.variant.to_string().as_str()])?,
-                Tag::parse(&["duration", duration.to_string().as_str()])?,
+                    Tag::parse(["index", seg.idx.to_string().as_str()])?,
                 ]);
+
+                // some servers add duration tag
+                if blob
+                    .nip94
+                    .as_ref()
+                    .map(|a| a.contains_key("duration"))
+                    .is_none()
+                {
+                    n94 = n94.tag(Tag::parse(["duration", seg.duration.to_string().as_str()])?);
+                }
+
                 for b in blobs.iter().skip(1) {
-                n94 = n94.add_tags(Tag::parse(&["url", &b.url]));
+                    n94 = n94.tag(Tag::parse(["url", &b.url])?);
                 }
                 let n94 = n94.sign_with_keys(&self.keys)?;
                 let cc = self.client.clone();
@@ -284,6 +378,7 @@ impl Overseer for ZapStreamOverseer {
                 });
                 info!("Published N94 segment to {}", blob.url);
             }
+        }
 
         Ok(())
     }
@@ -303,6 +398,9 @@ impl Overseer for ZapStreamOverseer {
         let mut stream = self.db.get_stream(pipeline_id).await?;
         let user = self.db.get_user(stream.user_id).await?;
 
+        let mut streams = self.active_streams.write().await;
+        streams.remove(pipeline_id);
+
         stream.state = UserStreamState::Ended;
         let event = self.publish_stream_event(&stream, &user.pubkey).await?;
         stream.event = Some(event.as_json());
@@ -312,3 +410,64 @@ impl Overseer for ZapStreamOverseer {
         Ok(())
     }
 }
+
+fn get_default_variants(info: &IngressInfo) -> Result<Vec<VariantStream>> {
+    let mut vars: Vec<VariantStream> = vec![];
+    if let Some(video_src) = info
+        .streams
+        .iter()
+        .find(|c| c.stream_type == IngressStreamType::Video)
+    {
+        vars.push(VariantStream::CopyVideo(VariantMapping {
+            id: Uuid::new_v4(),
+            src_index: video_src.index,
+            dst_index: 0,
+            group_id: 0,
+        }));
+        vars.push(VariantStream::Video(VideoVariant {
+            mapping: VariantMapping {
+                id: Uuid::new_v4(),
+                src_index: video_src.index,
+                dst_index: 1,
+                group_id: 1,
+            },
+            width: 1280,
+            height: 720,
+            fps: video_src.fps,
+            bitrate: 3_000_000,
+            codec: "libx264".to_string(),
+            profile: 100,
+            level: 51,
+            keyframe_interval: video_src.fps as u16 * 2,
+            pixel_format: AV_PIX_FMT_YUV420P as u32,
+        }));
+    }
+
+    if let Some(audio_src) = info
+        .streams
+        .iter()
+        .find(|c| c.stream_type == IngressStreamType::Audio)
+    {
+        vars.push(VariantStream::CopyAudio(VariantMapping {
+            id: Uuid::new_v4(),
+            src_index: audio_src.index,
+            dst_index: 2,
+            group_id: 0,
+        }));
+        vars.push(VariantStream::Audio(AudioVariant {
+            mapping: VariantMapping {
+                id: Uuid::new_v4(),
+                src_index: audio_src.index,
+                dst_index: 3,
+                group_id: 1,
+            },
+            bitrate: 192_000,
+            codec: "aac".to_string(),
+            channels: 2,
+            sample_rate: 48_000,
+            sample_fmt: "fltp".to_owned(),
+        }));
+    }
+
+    Ok(vars)
+}

crates/zap-stream/src/settings.rs

@@ -1,4 +1,6 @@
+use crate::overseer::ZapStreamOverseer;
 use serde::{Deserialize, Serialize};
+use std::sync::Arc;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Settings {
@@ -9,6 +11,9 @@ pub struct Settings {
     /// - rtmp://localhost:1935
     pub endpoints: Vec<String>,
 
+    /// Public facing hostname that maps to [endpoints]
+    pub endpoints_public_hostname: String,
+
     /// Where to store output (static files)
     pub output_dir: String,
 
@@ -18,7 +23,7 @@ pub struct Settings {
     /// Binding address for http server serving files from [output_dir]
     pub listen_http: String,
 
-    /// Overseer service see [crate::overseer::Overseer] for more info
+    /// Overseer service see [Overseer] for more info
     pub overseer: OverseerConfig,
 }
 
@@ -44,6 +49,8 @@ pub enum OverseerConfig {
         nsec: String,
         /// Blossom servers
         blossom: Option<Vec<String>>,
+        /// Cost (milli-sats) / second / variant
+        cost: i64,
     },
 }
 
@@ -53,3 +60,33 @@ pub struct LndSettings {
     pub cert: String,
     pub macaroon: String,
 }
+
+impl Settings {
+    pub async fn get_overseer(&self) -> anyhow::Result<Arc<ZapStreamOverseer>> {
+        match &self.overseer {
+            OverseerConfig::ZapStream {
+                nsec: private_key,
+                database,
+                lnd,
+                relays,
+                blossom,
+                cost,
+            } => Ok(Arc::new(
+                ZapStreamOverseer::new(
+                    &self.output_dir,
+                    &self.public_url,
+                    private_key,
+                    database,
+                    lnd,
+                    relays,
+                    blossom,
+                    *cost,
+                )
+                .await?,
+            )),
+            _ => {
+                panic!("Unsupported overseer");
+            }
+        }
+    }
+}

src/bin/zap_stream_core.rs

@@ -1,121 +0,0 @@
-use anyhow::{bail, Result};
-use clap::Parser;
-use config::Config;
-use ffmpeg_rs_raw::ffmpeg_sys_the_third::{av_log_set_callback, av_version_info};
-use ffmpeg_rs_raw::{av_log_redirect, rstr};
-use log::{error, info};
-use std::net::SocketAddr;
-use std::path::PathBuf;
-use std::sync::Arc;
-use tokio::task::JoinHandle;
-use url::Url;
-use warp::{cors, Filter};
-#[cfg(feature = "rtmp")]
-use zap_stream_core::ingress::rtmp;
-#[cfg(feature = "srt")]
-use zap_stream_core::ingress::srt;
-#[cfg(feature = "test-pattern")]
-use zap_stream_core::ingress::test;
-
-use zap_stream_core::ingress::{file, tcp};
-use zap_stream_core::overseer::Overseer;
-use zap_stream_core::settings::Settings;
-
-#[derive(Parser, Debug)]
-struct Args {}
-
-#[tokio::main]
-async fn main() -> Result<()> {
-    pretty_env_logger::init();
-
-    let _args = Args::parse();
-
-    unsafe {
-        av_log_set_callback(Some(av_log_redirect));
-        info!("FFMPEG version={}", rstr!(av_version_info()));
-    }
-
-    let builder = Config::builder()
-        .add_source(config::File::with_name("config.yaml"))
-        .add_source(config::Environment::with_prefix("APP"))
-        .build()?;
-
-    let settings: Settings = builder.try_deserialize()?;
-    let overseer = settings.get_overseer().await?;
-
-    let mut listeners = vec![];
-    for e in &settings.endpoints {
-        match try_create_listener(e, &settings.output_dir, &overseer) {
-            Ok(l) => listeners.push(l),
-            Err(e) => error!("{}", e),
-        }
-    }
-
-    let http_addr: SocketAddr = settings.listen_http.parse()?;
-    let http_dir = settings.output_dir.clone();
-    let index_html = include_str!("../index.html").replace("%%PUBLIC_URL%%", &settings.public_url);
-
-    listeners.push(tokio::spawn(async move {
-        let cors = cors().allow_any_origin().allow_methods(vec!["GET"]);
-
-        let index_handle = warp::get()
-            .or(warp::path("index.html"))
-            .and(warp::path::end())
-            .map(move |_| warp::reply::html(index_html.clone()));
-
-        let dir_handle = warp::get().and(warp::fs::dir(http_dir)).with(cors);
-
-        warp::serve(index_handle.or(dir_handle))
-            .run(http_addr)
-            .await;
-        Ok(())
-    }));
-
-    for handle in listeners {
-        if let Err(e) = handle.await? {
-            error!("{e}");
-        }
-    }
-    info!("Server closed");
-    Ok(())
-}
-
-fn try_create_listener(
-    u: &str,
-    out_dir: &str,
-    overseer: &Arc<dyn Overseer>,
-) -> Result<JoinHandle<Result<()>>> {
-    let url: Url = u.parse()?;
-    match url.scheme() {
-        #[cfg(feature = "srt")]
-        "srt" => Ok(tokio::spawn(srt::listen(
-            out_dir.to_string(),
-            format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
-            overseer.clone(),
-        ))),
-        #[cfg(feature = "srt")]
-        "rtmp" => Ok(tokio::spawn(rtmp::listen(
-            out_dir.to_string(),
-            format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
-            overseer.clone(),
-        ))),
-        "tcp" => Ok(tokio::spawn(tcp::listen(
-            out_dir.to_string(),
-            format!("{}:{}", url.host().unwrap(), url.port().unwrap()),
-            overseer.clone(),
-        ))),
-        "file" => Ok(tokio::spawn(file::listen(
-            out_dir.to_string(),
-            PathBuf::from(url.path()),
-            overseer.clone(),
-        ))),
-        #[cfg(feature = "test-pattern")]
-        "test-pattern" => Ok(tokio::spawn(test::listen(
-            out_dir.to_string(),
-            overseer.clone(),
-        ))),
-        _ => {
-            bail!("Unknown endpoint config: {u}");
-        }
-    }
-}

src/overseer/mod.rs

@@ -1,194 +0,0 @@
-use crate::ingress::ConnectionInfo;
-
-#[cfg(feature = "local-overseer")]
-use crate::overseer::local::LocalOverseer;
-#[cfg(feature = "webhook-overseer")]
-use crate::overseer::webhook::WebhookOverseer;
-#[cfg(feature = "zap-stream")]
-use crate::overseer::zap_stream::ZapStreamOverseer;
-use crate::pipeline::PipelineConfig;
-#[cfg(any(
-    feature = "local-overseer",
-    feature = "webhook-overseer",
-    feature = "zap-stream"
-))]
-use crate::settings::OverseerConfig;
-use crate::settings::Settings;
-use crate::variant::audio::AudioVariant;
-use crate::variant::mapping::VariantMapping;
-use crate::variant::video::VideoVariant;
-use crate::variant::VariantStream;
-use anyhow::Result;
-use async_trait::async_trait;
-use ffmpeg_rs_raw::ffmpeg_sys_the_third::AVPixelFormat::AV_PIX_FMT_YUV420P;
-use std::cmp::PartialEq;
-use std::path::PathBuf;
-use std::sync::Arc;
-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 {
-    /// 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<()>;
-}
-
-impl Settings {
-    pub async fn get_overseer(&self) -> Result<Arc<dyn Overseer>> {
-        match &self.overseer {
-            #[cfg(feature = "local-overseer")]
-            OverseerConfig::Local => Ok(Arc::new(LocalOverseer::new())),
-            #[cfg(feature = "webhook-overseer")]
-            OverseerConfig::Webhook { url } => Ok(Arc::new(WebhookOverseer::new(&url))),
-            #[cfg(feature = "zap-stream")]
-            OverseerConfig::ZapStream {
-                nsec: private_key,
-                database,
-                lnd,
-                relays,
-                blossom,
-            } => Ok(Arc::new(
-                ZapStreamOverseer::new(
-                    &self.output_dir,
-                    &self.public_url,
-                    private_key,
-                    database,
-                    lnd,
-                    relays,
-                    blossom,
-                )
-                .await?,
-            )),
-            _ => {
-                panic!("Unsupported overseer");
-            }
-        }
-    }
-}
-
-pub(crate) fn get_default_variants(info: &IngressInfo) -> Result<Vec<VariantStream>> {
-    let mut vars: Vec<VariantStream> = vec![];
-    if let Some(video_src) = info
-        .streams
-        .iter()
-        .find(|c| c.stream_type == IngressStreamType::Video)
-    {
-        vars.push(VariantStream::CopyVideo(VariantMapping {
-            id: Uuid::new_v4(),
-            src_index: video_src.index,
-            dst_index: 0,
-            group_id: 0,
-        }));
-        vars.push(VariantStream::Video(VideoVariant {
-            mapping: VariantMapping {
-                id: Uuid::new_v4(),
-                src_index: video_src.index,
-                dst_index: 1,
-                group_id: 1,
-            },
-            width: 1280,
-            height: 720,
-            fps: video_src.fps,
-            bitrate: 3_000_000,
-            codec: "libx264".to_string(),
-            profile: 100,
-            level: 51,
-            keyframe_interval: video_src.fps as u16 * 2,
-            pixel_format: AV_PIX_FMT_YUV420P as u32,
-        }));
-    }
-
-    if let Some(audio_src) = info
-        .streams
-        .iter()
-        .find(|c| c.stream_type == IngressStreamType::Audio)
-    {
-        vars.push(VariantStream::CopyAudio(VariantMapping {
-            id: Uuid::new_v4(),
-            src_index: audio_src.index,
-            dst_index: 2,
-            group_id: 0,
-        }));
-        vars.push(VariantStream::Audio(AudioVariant {
-            mapping: VariantMapping {
-                id: Uuid::new_v4(),
-                src_index: audio_src.index,
-                dst_index: 3,
-                group_id: 1,
-            },
-            bitrate: 192_000,
-            codec: "aac".to_string(),
-            channels: 2,
-            sample_rate: 48_000,
-            sample_fmt: "fltp".to_owned(),
-        }));
-    }
-
-    Ok(vars)
-}