Add support for image source/sink nodes

Author: karls-science

api/datatype.proto

@@ -107,3 +107,24 @@ message AnnotatedTensor {
   // e.g. pipeline latencies
   map<string, google.protobuf.Value> metadata = 2;
 }
+
+enum PixelFormat {
+  kPixelFormatUnknown = 0;
+  kYUV420_888 = 1;
+  kRGB888 = 2;
+  kRGBA8888 = 3;
+  kGrayscale8 = 4;
+  kRAW10 = 5;
+  kRAW16 = 6;
+  kNV12 = 7;
+  kNV21 = 8;
+}
+
+message ImageFrame {
+  uint32 width = 1;
+  uint32 height = 2;
+  PixelFormat format = 3;
+  uint64 sequence_number = 4;
+  uint64 timestamp_ns = 5;
+  bytes data = 6;
+}

api/device.proto

@@ -13,6 +13,7 @@ message Peripheral {
       kElectricalStimulation = 2;
       kOpticalStimulation = 3;
       kSpikeSource = 4;
+      kCamera = 5;
     }
     string name = 1;
     string vendor = 2;

api/node.proto

@@ -11,6 +11,8 @@ import "api/nodes/disk_writer.proto";
 import "api/nodes/spike_source.proto";
 import "api/nodes/spike_binner.proto";
 import "api/nodes/application.proto";
+import "api/nodes/image_source.proto";
+import "api/nodes/image_sink.proto";
 
 enum NodeType {
   kNodeTypeUnknown = 0;
@@ -27,6 +29,8 @@ enum NodeType {
   kDiskWriter = 9;
   kSpikeBinner = 10;
   kApplication = 11;
+  kImageSource = 12;
+  kImageSink = 13;
 }
 
 message NodeConfig {
@@ -47,6 +51,8 @@ message NodeConfig {
     SpikeSourceConfig spike_source = 12;
     SpikeBinnerConfig spike_binner = 13;
     ApplicationNodeConfig application = 14;
+    ImageSourceConfig image_source = 15;
+    ImageSinkConfig image_sink = 16;
   }
 }
 
@@ -63,6 +69,8 @@ message NodeStatus {
     ApplicationNodeStatus application = 7;
     OpticalStimulationStatus optical_stimulation = 8;
     DiskWriterStatus disk_writer = 10;
+    ImageSourceStatus image_source = 11;
+    ImageSinkStatus image_sink = 12;
   }
 }
 

api/nodes/image_sink.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package synapse;
+
+message ImageSinkConfig {
+  uint32 peripheral_id = 1;
+  uint32 frame_rate_hz = 2;
+}
+
+message ImageSinkStatus {
+  uint64 frames_exported = 1;
+  float actual_rate_hz = 2;
+  float latency_ms = 3;
+}

api/nodes/image_source.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package synapse;
+
+import "api/datatype.proto";
+
+message ImageSourceConfig {
+  uint32 peripheral_id = 1;
+  uint32 width = 2;
+  uint32 height = 3;
+  PixelFormat format = 4;
+  uint32 frame_rate_hz = 5;
+}
+
+message ImageSourceStatus {
+  uint64 frames_produced = 1;
+  uint64 frames_dropped = 2;
+}