From 0f3e74579d8a05ac69b4d1d5df1e0d0bb6f18363 Mon Sep 17 00:00:00 2001
From: vapormusic <vietanhfat@gmail.com>
Date: Sat, 11 Feb 2023 13:23:10 +0700
Subject: [PATCH] add ability to send audio via WS

---
 example_execlient.js   | 13 +++++++++++--
 examples/play_stdin.js |  7 ++++++-
 exe_api.md             |  7 ++++++-
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/example_execlient.js b/example_execlient.js
index 925cde8..9929fec 100644
--- a/example_execlient.js
+++ b/example_execlient.js
@@ -12,7 +12,9 @@ var ffmpeg = spawn('C:\\ffmpeg\\bin\\ffmpeg.exe', [
 ]);
 
   // pipe data to AirTunes
-ffmpeg.stdout.pipe(airtunes.stdin);
+// ffmpeg.stdout.pipe(airtunes.stdin);
+
+
 
   // detect if ffmpeg was not spawned correctly
 ffmpeg.stderr.setEncoding('utf8');
@@ -36,9 +38,16 @@ ws.on('open', function open() {
        "txt":["cn=0,1,2,3","da=true","et=0,3,5","ft=0x4A7FCA00,0xBC354BD0","sf=0xa0404","md=0,1,2","am=AudioAccessory5,1","pk=lolno","tp=UDP","vn=65537","vs=670.6.2","ov=16.2","vv=2"],
        //"txt":["cn=0,1,2,3","da=true","et=0,3,5","ft=0x4A7FCA00,0xBC354BD0","sf=0x80484","md=0,1,2","am=AudioAccessory5,1","pk=lol","tp=UDP","vn=65537","vs=670.6.2","ov=16.2","vv=2"],
        "debug":true,
-       "forceAlac":false}}))
+       "forceAlac":false}}))     
 });
 
+ffmpeg.stdout.on('data', function(data) {
+  try{
+  ws.send(JSON.stringify({"type":"sendAudio",
+  "data": data.toString('binary')}))
+  }catch(err){}
+})
+
 
 ws.on('message', function message(data) {
   console.log('received: %s', data);
diff --git a/examples/play_stdin.js b/examples/play_stdin.js
index e147cf8..709e962 100644
--- a/examples/play_stdin.js
+++ b/examples/play_stdin.js
@@ -133,7 +133,12 @@ worker.on("message", (result) => {
         // Sample data for stopping all:
         // {"type":"stopAll"}
         airtunes.stopAll();
-    }
+    } else if (parsed_data.type == "sendAudio"){
+        // Sample data for playing:
+        // {"type":"sendAudio",
+        //  "data": "hex data"}
+        airtunes.write(Buffer.from(parsed_data.data,"binary"));
+      }
 });
 
 function getAvailableDevices() {
diff --git a/exe_api.md b/exe_api.md
index cff827a..20cbe17 100644
--- a/exe_api.md
+++ b/exe_api.md
@@ -1,6 +1,6 @@
 # How airtunes2.exe works
 
-## **Audio : Pipe PCM 16bit 44100Hz 2ch to airtunes2.exe stdin's**
+## **Audio : Pipe PCM 16bit 44100Hz 2ch to airtunes2.exe stdin's or via the WS API**
 
 ## **WS API: Connect to ```"ws://localhost:8980"```**
 
@@ -67,6 +67,11 @@
 
          {"type":"stopAll"}
 
+9. Send raw audio:
+
+         {"type":"sendAudio",
+          "data": "binary string data"} // 16bit 44100Hz 2ch (s16le), data.toString('binary')
+
 ### **Available response: JSON string**
 
 1. Available AirPlay devices: