Bump ex_webrtc to 0.14. Release all demos (#82)

Author: sgfn

broadcaster/lib/broadcaster/forwarder.ex

@@ -8,8 +8,8 @@ defmodule Broadcaster.Forwarder do
   alias Phoenix.PubSub
 
   alias ExWebRTC.PeerConnection
-  alias ExWebRTC.RTP.H264
   alias ExWebRTC.RTP.Munger
+  alias ExWebRTC.RTP.VP8
   alias ExWebRTC.Recorder
 
   alias Broadcaster.PeerSupervisor
@@ -460,7 +460,7 @@ defmodule Broadcaster.Forwarder do
     layer = default_layer(input)
 
     {audio_track, video_track} = get_tracks(pc, :sender)
-    munger = Munger.new(90_000)
+    munger = Munger.new(:vp8, 90_000)
 
     output = %{
       audio: audio_track.id,
@@ -484,7 +484,7 @@ defmodule Broadcaster.Forwarder do
       Map.new(state.outputs, fn
         {pc, %{input_id: ^input_id, layer: layer, pending_layer: p_layer} = output} ->
           output =
-            if p_layer == rid and p_layer != layer and H264.keyframe?(packet) do
+            if p_layer == rid and p_layer != layer and VP8.keyframe?(packet) do
               munger = Munger.update(output.munger)
               %{output | layer: p_layer, munger: munger}
             else

broadcaster/mix.exs

@@ -4,7 +4,7 @@ defmodule Broadcaster.MixProject do
   def project do
     [
       app: :broadcaster,
-      version: "0.9.0",
+      version: "0.10.0",
       elixir: "~> 1.14",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
@@ -58,8 +58,9 @@ defmodule Broadcaster.MixProject do
       {:jason, "~> 1.2"},
       {:bandit, "~> 1.2"},
       {:corsica, "~> 2.1.3"},
-      {:ex_webrtc, "~> 0.8.0"},
-      {:ex_webrtc_dashboard, "~> 0.8.0"},
+      {:ex_webrtc, "~> 0.14.0"},
+      {:ex_webrtc_dashboard, "~> 0.9.0"},
+      {:ex_webrtc_recorder, "~> 0.3.0"},
       {:earmark, "~> 1.4"},
       {:libcluster, "~> 3.4"},
       {:syn, "~> 3.3"},

broadcaster/mix.lock

@@ -78,7 +78,7 @@ defmodule Nexus.Room do
   end
 
   @impl true
-  def handle_call({:mark_ready, id, _peer_ids}, _from, state) do
+  def handle_call({:mark_ready, id}, _from, state) do
     Logger.debug("Peer #{id} was already marked as ready, ignoring")
 
     {:reply, :ok, state}

nexus/lib/nexus/room.ex

@@ -4,7 +4,7 @@ defmodule Nexus.MixProject do
   def project do
     [
       app: :nexus,
-      version: "0.4.0",
+      version: "0.5.0",
       elixir: "~> 1.14",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
@@ -51,8 +51,8 @@ defmodule Nexus.MixProject do
       {:jason, "~> 1.2"},
       {:dns_cluster, "~> 0.1.1"},
       {:bandit, "~> 1.2"},
-      {:ex_webrtc, "~> 0.8.0"},
-      {:ex_webrtc_dashboard, "~> 0.8.0"},
+      {:ex_webrtc, "~> 0.14.0"},
+      {:ex_webrtc_dashboard, "~> 0.9.0"},
 
       # Dialyzer and credo
       {:dialyxir, ">= 0.0.0", only: :dev, runtime: false},

nexus/mix.exs

@@ -0,0 +1,10 @@
+--- ./deps/exla/Makefile	2025-06-23 13:36:52
++++ ./deps/exla/Makefile	2025-06-23 14:09:21
+@@ -27,6 +27,7 @@
+ # Note: this is on :xla 0.5.0 -- things can change with later versions
+ CFLAGS = -fPIC -I$(ERTS_INCLUDE_DIR) -I$(XLA_INCLUDE_PATH) -Wall -Wno-sign-compare \
+ 	 -Wno-unused-parameter -Wno-missing-field-initializers -Wno-comment \
++	 -Wno-missing-template-arg-list-after-template-kw \
+ 	 -std=c++17 -w -DLLVM_VERSION_STRING=
+ 
+ NVCCFLAGS = -shared -Xcompiler -fPIC

nexus/mix.lock

@@ -53,7 +53,7 @@ defmodule Recognizer.Room do
        task: nil,
        video_track: nil,
        video_depayloader: video_depayloader,
-       video_decoder: Xav.Decoder.new(:vp8),
+       video_decoder: Xav.Decoder.new(:vp8, out_format: :rgb24),
        video_buffer: JitterBuffer.new(latency: @jitter_buffer_latency_ms),
        audio_track: nil,
        session_start_time: System.monotonic_time(:millisecond)

recognizer/0000-exla-disable-failing-clang-compile-check.patch

@@ -4,7 +4,7 @@ defmodule Recognizer.MixProject do
   def project do
     [
       app: :recognizer,
-      version: "0.6.0",
+      version: "0.7.0",
       elixir: "~> 1.14",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
@@ -58,11 +58,11 @@ defmodule Recognizer.MixProject do
       {:jason, "~> 1.2"},
       {:dns_cluster, "~> 0.1.1"},
       {:plug_cowboy, "~> 2.5"},
-      {:ex_webrtc, "~> 0.8.0"},
-      {:ex_webrtc_dashboard, "~> 0.8.0"},
-      {:xav, "~> 0.8.0"},
-      {:bumblebee, "~> 0.5.3"},
-      {:exla, "~> 0.7.1"},
+      {:ex_webrtc, "~> 0.14.0"},
+      {:ex_webrtc_dashboard, "~> 0.9.0"},
+      {:xav, "~> 0.11.0"},
+      {:bumblebee, "~> 0.6.2"},
+      {:exla, "~> 0.9.2"},
 
       # Dialyzer and credo
       {:dialyxir, ">= 0.0.0", only: :dev, runtime: false},
@@ -78,12 +78,13 @@ defmodule Recognizer.MixProject do
   # See the documentation for `Mix` for more info on aliases.
   defp aliases do
     [
-      setup: ["deps.get", "assets.setup", "assets.build"],
+      setup: ["deps.get", "deps.patch", "assets.setup", "assets.build"],
       "assets.setup": ["tailwind.install --if-missing", "esbuild.install --if-missing"],
       "assets.build": ["tailwind default", "esbuild default"],
       "assets.deploy": ["tailwind default --minify", "esbuild default --minify", "phx.digest"],
       "assets.format": &lint_and_format_assets/1,
-      "assets.check": &check_assets/1
+      "assets.check": &check_assets/1,
+      "deps.patch": &patch_deps/1
     ]
   end
 
@@ -114,4 +115,18 @@ defmodule Recognizer.MixProject do
     {_stream, rc} = System.cmd("npm", ["--prefix=assets"] ++ command, into: IO.stream())
     {command, rc}
   end
+
+  # HACK: With clang 17.0.0, compilation of `exla==0.9.2` fails because of the `-Wmissing-template-arg-list-after-template-kw` check.
+  #       This issue isn't present in `exla==0.10.0`, but `bumblebee==0.6.2` depends on `nx ~> 0.9.0`,
+  #       and since `exla==0.10.0` depends on `nx ~> 0.10.0`, we're stuck on `exla==0.9.2` until a new version of `bumblebee` is released.
+  #
+  #       This patch adds the `-Wno-missing-template-arg-list-after-template-kw` flag in `exla`'s Makefile to suppress the compiler warning.
+  defp patch_deps(_args) do
+    {_, _} =
+      System.cmd("patch", ~w(-p1 -i ./0000-exla-disable-failing-clang-compile-check.patch),
+        into: IO.stream()
+      )
+
+    :ok
+  end
 end