Oops. :)

2020-12-30 07:37:45 +01:00 · 2020-12-30 07:37:45 +01:00 · c2b7f7d129
parent f19febdb20
commit c2b7f7d129
1 changed files with 136 additions and 7 deletions
--- a/08_enums.ksy
+++ b/08_enums.ksy
@ -1,7 +1,136 @@
-<html>
-<head><title>301 Moved Permanently</title></head>
-<body>
-<center><h1>301 Moved Permanently</h1></center>
-<hr><center>nginx/1.18.0</center>
-</body>
-</html>
+meta:
+  id: wav
+  file-extension: wav
+  encoding: ascii
+  endian: le
+seq:
+  - id: magic
+    contents: "RIFF"
+    size: 4
+  - id: size
+    type: u4
+  - id: wave_str
+    contents: "WAVE"
+    size: 4
+  - id: sections
+    type: section
+    repeat: eos
+instances: {}
+types:
+  section:
+    seq:
+      - id: name
+        type: str
+        size: 4
+      - id: size
+        type: u4
+      - id: content
+        size: size
+        type:
+          switch-on: name
+          cases:
+            '"fmt "': fmt
+            '"data"': data
+            '"fact"': fact
+            '"PEAK"': peak
+            '"LIST"': list
+  fmt:
+    seq:
+      - id: type
+        type: u2
+        enum: encoding_type_enum
+      - id: channels
+        type: u2
+      - id: samplerate
+        type: u4
+      - id: datarate
+        type: u4
+        doc: Might also be datarate per channel
+      - id: bytes_per_sample
+        type: u2
+      - id: bits_per_unit
+        type: u2
+  data:
+    seq:
+      - id: content
+        type:
+          switch-on: _root.sections[0].name
+          cases:
+            '"fmt "': sample(_root.sections[0].content.as<fmt>.type, _root.sections[0].content.as<fmt>.bits_per_unit)
+            _: u1
+        repeat: eos
+    types:
+      sample:
+        params:
+          - id: encoding_type
+            type: u2
+            enum: encoding_type_enum
+          - id: encoding_size
+            type: u2
+        seq:
+          - id: data
+            type: 
+              switch-on: encoding_type
+              cases:
+                'encoding_type_enum::float': float_type
+                'encoding_type_enum::int': int_type
+            repeat: expr
+            repeat-expr: _root.sections[0].content.\
+              as<fmt>.channels
+        types:
+          float_type:
+            seq:
+              - id: data
+                type:
+                  switch-on: _parent.encoding_size
+                  cases:
+                    32: f4
+                    64: f8
+          int_type:
+            seq:
+              - id: data
+                type:
+                  switch-on: _parent.encoding_size
+                  cases:
+                    8: u1
+                    16: s2
+                    32: s4
+  fact:
+    seq:
+      - id: samples
+        type: u4
+  peak:
+    seq:
+      - id: unknown_0
+        type: u4
+      - id: timestamp
+        type: u4
+      - id: peak
+        type: f4
+      - id: index
+        type: u4
+  list:
+    seq:
+      - id: info_str
+        type: str
+        size: 4
+      - id: contents
+        repeat: eos
+        type: content
+    types:
+      content:
+        seq:
+          - id: name
+            type: str
+            size: 4
+          - id: size
+            type: u4
+          - id: content
+            type: strz
+            size: size
+enums:
+  encoding_type_enum:
+    1: 'int'
+    3: 'float'
+doc: Hello, world
+doc-ref: https://example.com