expose max_muxing_queue_size to user

src/controllers/dashboard/encodingsettings.html

@@ -129,6 +129,10 @@
                     <input is="emby-input" type="number" id="txtDownMixAudioBoost" pattern="[0-9]*" required="required" min=".5" max="3" step=".1" label="${LabelDownMixAudioScale}" />
                     <div class="fieldDescription">${LabelDownMixAudioScaleHelp}</div>
                 </div>
+                <div class="inputContainer">
+                    <input is="emby-input" type="number" id="txtMaxMuxingQueueSize" pattern="[0-9]*" required="required" min="128" max="2147483647" step="1" label="${LabelMaxMuxingQueueSize}" />
+                    <div class="fieldDescription">${LabelMaxMuxingQueueSizeHelp}</div>
+                </div>
 
                 <div class="selectContainer">
                     <select is="emby-select" id="selectEncoderPreset" label="${LabelEncoderPreset}">

src/controllers/dashboard/encodingsettings.js

@@ -16,6 +16,7 @@ import libraryMenu from 'libraryMenu';
         $('#selectVideoDecoder', page).val(config.HardwareAccelerationType);
         $('#selectThreadCount', page).val(config.EncodingThreadCount);
         $('#txtDownMixAudioBoost', page).val(config.DownMixAudioBoost);
+        page.querySelector('#txtMaxMuxingQueueSize').value = config.MaxMuxingQueueSize || '';
         page.querySelector('.txtEncoderPath').value = config.EncoderAppPathDisplay || '';
         $('#txtTranscodingTempPath', page).val(systemInfo.TranscodingTempPath || '');
         $('#txtVaapiDevice', page).val(config.VaapiDevice || '');
@@ -60,6 +61,7 @@ import libraryMenu from 'libraryMenu';
             loading.show();
             ApiClient.getNamedConfiguration('encoding').then(function (config) {
                 config.DownMixAudioBoost = $('#txtDownMixAudioBoost', form).val();
+                config.MaxMuxingQueueSize = form.querySelector('#txtMaxMuxingQueueSize').value;
                 config.TranscodingTempPath = $('#txtTranscodingTempPath', form).val();
                 config.EncodingThreadCount = $('#selectThreadCount', form).val();
                 config.HardwareAccelerationType = $('#selectVideoDecoder', form).val();

src/strings/en-us.json

@@ -1442,5 +1442,7 @@
     "ClearQueue": "Clear queue",
     "LabelSubtitleVerticalPosition": "Vertical position:",
     "SubtitleVerticalPositionHelp": "Line number where text appears. Positive numbers indicate top down. Negative numbers indicate bottom up.",
-    "Preview": "Preview"
+    "Preview": "Preview",
+    "LabelMaxMuxingQueueSize": "Max muxing queue size:",
+    "LabelMaxMuxingQueueSizeHelp": "Maximum number of packets that can be buffered while waiting for all streams to initialize. Try to increase it if you still encounter \"Too many packets buffered for output stream\" error in ffmpeg logs. The recommended value is 2048."
 }

src/strings/zh-cn.json

@@ -1442,5 +1442,7 @@
     "MessagePluginInstallError": "安装插件时出现错误。",
     "NextTrack": "下一曲",
     "LabelUnstable": "不稳定",
-    "PlaybackRate": "播放速率"
+    "PlaybackRate": "播放速率",
+    "LabelMaxMuxingQueueSize": "最大混合器队列大小：",
+    "LabelMaxMuxingQueueSizeHelp": "等待所有流初始化时可缓冲的最大数据包数。如果在 ffmpeg 日志中仍然遇到 \"Too many packets buffered for output stream\" 错误，请尝试增加该值。建议值为 2048。"
 }