From aaa103a842be5c6c629a758bcbc8ad43ce126bcd Mon Sep 17 00:00:00 2001
From: edisoncm-ti <edisoncm.ti@gmail.com>
Date: Wed, 7 May 2025 13:41:09 -0300
Subject: [PATCH] fix(audio): ensure full WhatsApp compatibility for audio
 conversion (libopus, 48kHz, mono)

---
 .../channel/whatsapp/whatsapp.baileys.service.ts    | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
index 3e9cc1ea..2bd089df 100644
--- a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
+++ b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
@@ -3001,7 +3001,20 @@ export class BaileysStartupService extends ChannelStartupService {
           .noVideo()
           .audioCodec('libopus')
           .addOutputOptions('-avoid_negative_ts make_zero')
+          .audioBitrate('128k')
+          .audioFrequency(48000)
           .audioChannels(1)
+          .outputOptions([
+            '-write_xing', '0',
+            '-compression_level', '10',
+            '-application', 'voip',
+            '-fflags', '+bitexact',
+            '-flags', '+bitexact',
+            '-id3v2_version', '0',
+            '-map_metadata', '-1',
+            '-map_chapters', '-1',
+            '-write_bext', '0'
+          ])
           .pipe(outputAudioStream, { end: true })
           .on('error', function (error) {
             console.log('error', error);