From cbbad478f43677dcaaa9c0a6a3c7c7a8faed417b Mon Sep 17 00:00:00 2001
From: winlin <winlinvip@gmail.com>
Date: Tue, 16 Jan 2024 20:36:00 +0800
Subject: [PATCH] Camera: Support replace audio if enabled extra audio.
 v5.13.13

---
 DEVELOPER.md                   |  1 +
 platform/camera-live-stream.go |  7 ++++++-
 ui/src/resources/locale.json   | 10 +++++-----
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/DEVELOPER.md b/DEVELOPER.md
index 4712209b..a9baa7bd 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -1092,6 +1092,7 @@ The following are the update records for the SRS Stack server.
     * LiveRoom: Support live room secret with stream URL. v5.13.11
     * Camera: Support IP Camera streaming scenario. v5.13.12
     * Camera: Support silent extra audio stream for video only device. v5.13.13
+    * Camera: Support replace audio if enabled extra audio. v5.13.13
 * v5.12
     * Refine local variable name conf to config. v5.12.1
     * Add forced exit on timeout for program termination. v5.12.1
diff --git a/platform/camera-live-stream.go b/platform/camera-live-stream.go
index 4f486b3a..293a8576 100644
--- a/platform/camera-live-stream.go
+++ b/platform/camera-live-stream.go
@@ -847,7 +847,12 @@ func (v *CameraTask) doCameraStreaming(ctx context.Context, input *FFprobeSource
 	}
 	// Whether insert extra audio stream.
 	if v.config.ExtraAudio == "silent" {
-		args = append(args, "-f", "lavfi", "-i", "anullsrc=channel_layout=stereo:sample_rate=44100", "-c:a", "aac", "-c:v", "copy")
+		args = append(args,
+			"-f", "lavfi", "-i", "anullsrc=channel_layout=stereo:sample_rate=44100", // Silent audio stream.
+			"-map", "0:v", "-map", "1:a", // Ignore the original audio stream.
+			"-c:a", "aac", "-ac", "2", "-ar", "44100", "-b:a", "20k", // Encode audio stream.
+			"-c:v", "copy", // Copy video stream.
+		)
 	} else {
 		args = append(args, "-c", "copy")
 	}
diff --git a/ui/src/resources/locale.json b/ui/src/resources/locale.json
index 9324dba8..16a2bd8a 100644
--- a/ui/src/resources/locale.json
+++ b/ui/src/resources/locale.json
@@ -34,9 +34,9 @@
         "srt": "超清实时直播",
         "forward": "多平台转播",
         "transcode": "直播转码",
-        "record": "本地录制",
-        "dvr": "云录制",
-        "vod": "云点播",
+        "record": "录制",
+        "dvr": "腾讯云COS录制",
+        "vod": "腾讯云VoD录制",
         "code": "源代码",
         "other": "不推荐",
         "rmFileTip1": "删除文件，会造成",
@@ -718,8 +718,8 @@
         "forward": "Forward",
         "transcode": "Transcoding",
         "record": "Record",
-        "dvr": "DVR",
-        "vod": "VoD",
+        "dvr": "TencentCOS DVR",
+        "vod": "TecentVoD DVR",
         "code": "Source",
         "other": "Discouraged",
         "rmFileTip1": "It will cause",