Merge pull request #2 from membraneframework/metadata

Frame Metadata

lib/membrane_caps_audio_flac/frame_metadata.ex

@@ -0,0 +1,27 @@
+defmodule Membrane.Caps.Audio.FLAC.FrameMetadata do
+  @moduledoc """
+  Module defining metadata struct for FLAC buffers with audio frames.
+
+  Based on contents of [frame header](https://xiph.org/flac/format.html#frame_header)
+  """
+
+  @type t() :: %__MODULE__{
+          channels: 1..8,
+          channel_mode: :independent | :left_side | :right_side | :mid_side,
+          sample_rate: pos_integer,
+          sample_size: 4 | 8 | 12 | 16 | 20 | 24 | 32,
+          samples: pos_integer,
+          starting_sample_number: non_neg_integer()
+        }
+
+  @enforce_keys [
+    :channels,
+    :channel_mode,
+    :sample_rate,
+    :sample_size,
+    :samples,
+    :starting_sample_number
+  ]
+
+  defstruct @enforce_keys
+end

mix.exs

@@ -22,7 +22,8 @@ defmodule Membrane.Caps.Audio.FLAC.Mixfile do
     [
       main: "readme",
       extras: ["README.md"],
-      source_ref: "v#{@version}"
+      source_ref: "v#{@version}",
+      nest_modules_by_prefix: [Membrane.Caps.Audio.FLAC]
     ]
   end