diff --git a/src/locale/zh_CN/LC_MESSAGES/video2x.mo b/src/locale/zh_CN/LC_MESSAGES/video2x.mo
index 7b71b0e..356a660 100644
Binary files a/src/locale/zh_CN/LC_MESSAGES/video2x.mo and b/src/locale/zh_CN/LC_MESSAGES/video2x.mo differ
diff --git a/src/locale/zh_CN/LC_MESSAGES/zh_CN.mo b/src/locale/zh_CN/LC_MESSAGES/zh_CN.mo
index 7b71b0e..356a660 100644
Binary files a/src/locale/zh_CN/LC_MESSAGES/zh_CN.mo and b/src/locale/zh_CN/LC_MESSAGES/zh_CN.mo differ
diff --git a/src/locale/zh_CN/LC_MESSAGES/zh_CN.po b/src/locale/zh_CN/LC_MESSAGES/zh_CN.po
index e1d52ff..ca3cbaf 100644
--- a/src/locale/zh_CN/LC_MESSAGES/zh_CN.po
+++ b/src/locale/zh_CN/LC_MESSAGES/zh_CN.po
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: \n"
-"POT-Creation-Date: 2020-05-11 04:39-0400\n"
-"PO-Revision-Date: 2020-05-11 04:40-0400\n"
+"POT-Creation-Date: 2020-05-12 04:27-0400\n"
+"PO-Revision-Date: 2020-05-12 04:29-0400\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: zh_CN\n"
@@ -21,179 +21,203 @@ msgstr ""
 msgid "Upscaling Progress"
 msgstr "放大进度"
 
-#: upscaler.py:104
+#: upscaler.py:106
 msgid "Specified or default cache directory is a file/link"
 msgstr "指定或默认的缓存目录是文件/链接"
 
-#: upscaler.py:110
+#: upscaler.py:112
 msgid "Creating cache directory {}"
 msgstr "创建缓存目录 {}"
 
-#: upscaler.py:113
+#: upscaler.py:115
 msgid "Unable to create {}"
 msgstr "无法创建 {}"
 
-#: upscaler.py:118
+#: upscaler.py:120
 msgid "Extracted frames are being saved to: {}"
 msgstr "提取的帧将被保存到：{}"
 
-#: upscaler.py:120
+#: upscaler.py:122
 msgid "Upscaled frames are being saved to: {}"
 msgstr "已放大的帧将被保存到：{}"
 
-#: upscaler.py:130
+#: upscaler.py:132
 msgid "Cleaning up cache directory: {}"
 msgstr "清理缓存目录：{}"
 
-#: upscaler.py:133
+#: upscaler.py:135
 msgid "Unable to delete: {}"
 msgstr "无法删除：{}"
 
-#: upscaler.py:139 upscaler.py:154 upscaler.py:165
+#: upscaler.py:141 upscaler.py:156 upscaler.py:167
 msgid "Input and output path type mismatch"
 msgstr "输入和输出路径类型不匹配"
 
-#: upscaler.py:140
+#: upscaler.py:142
 msgid "Input is multiple files but output is not directory"
 msgstr "输入是多个文件，但输出不是目录"
 
-#: upscaler.py:144
+#: upscaler.py:146
 msgid "Input path {} is neither a file nor a directory"
 msgstr "输入路径 {} 既不是文件也不是目录"
 
-#: upscaler.py:148 upscaler.py:170
+#: upscaler.py:150 upscaler.py:172
 msgid "Input directory and output directory cannot be the same"
 msgstr "输入目录和输出目录不能相同"
 
-#: upscaler.py:155
+#: upscaler.py:157
 msgid "Input is single file but output is directory"
 msgstr "所选的输入路径是单个文件，但输出路径是目录"
 
-#: upscaler.py:158
+#: upscaler.py:160
 msgid "No suffix found in output file path"
 msgstr "在输出文件路径中未找到后缀"
 
-#: upscaler.py:159
-msgid "Suffix must be specified for FFmpeg"
-msgstr "必须为 FFmpeg 指定后缀"
+#: upscaler.py:161
+msgid "Suffix must be specified"
+msgstr "必须指定文件后缀"
 
-#: upscaler.py:166
+#: upscaler.py:168
 msgid "Input is directory but output is existing single file"
 msgstr "输入是目录，但输出是现有的单个文件"
 
-#: upscaler.py:175
+#: upscaler.py:177
 msgid "Input path is neither a file nor a directory"
 msgstr "输入路径既不是文件也不是目录"
 
-#: upscaler.py:184
+#: upscaler.py:186
 msgid "FFmpeg or FFprobe cannot be found under the specified path"
 msgstr "在指定的路径下找不到 FFmpeg 或 FFprobe"
 
-#: upscaler.py:185 upscaler.py:195
+#: upscaler.py:187 upscaler.py:197
 msgid "Please check the configuration file settings"
 msgstr "请检查配置文件设置"
 
-#: upscaler.py:194
+#: upscaler.py:196
 msgid "Specified driver executable directory doesn't exist"
 msgstr "指定驱动的可执行文件不存在"
 
-#: upscaler.py:221
+#: upscaler.py:223
 msgid "Failed to parse driver argument: {}"
 msgstr "解析驱动程序参数失败：{}"
 
-#: upscaler.py:253
+#: upscaler.py:248
+msgid "Anime4KCPP doesn't yet support GIF processing"
+msgstr "Anime4KCPP 尚不支持GIF处理"
+
+#: upscaler.py:263
 msgid "Unrecognized driver: {}"
 msgstr "无法识别的驱动名称：{}"
 
-#: upscaler.py:293
+#: upscaler.py:303
 msgid "Starting progress monitor"
 msgstr "启动进度监视器"
 
-#: upscaler.py:298
+#: upscaler.py:308
 msgid "Starting upscaled image cleaner"
 msgstr "启动已放大图像清理程序"
 
-#: upscaler.py:307 upscaler.py:324
+#: upscaler.py:317 upscaler.py:334
 msgid "Killing progress monitor"
 msgstr "终结进度监视器"
 
-#: upscaler.py:310 upscaler.py:327
+#: upscaler.py:320 upscaler.py:337
 msgid "Killing upscaled image cleaner"
 msgstr "终结已放大图像清理程序"
 
-#: upscaler.py:331
+#: upscaler.py:341
 msgid "Terminating all processes"
 msgstr "正在终止所有进程"
 
-#: upscaler.py:338
+#: upscaler.py:348
 msgid "Main process waiting for subprocesses to exit"
 msgstr "主进程开始等待子进程结束"
 
-#: upscaler.py:357 upscaler.py:361
+#: upscaler.py:367 upscaler.py:371
 msgid "Subprocess {} exited with code {}"
 msgstr "子进程 {} 结束，返回码 {}"
 
-#: upscaler.py:367
+#: upscaler.py:377
 msgid "Stop signal received"
 msgstr "收到停止信号"
 
-#: upscaler.py:372
+#: upscaler.py:382
 msgid "Subprocess execution ran into an error"
 msgstr "子进程执行遇到错误"
 
-#: upscaler.py:421
-msgid "Upscaling single video file: {}"
-msgstr "放大单个视频文件：{}"
+#: upscaler.py:430
+msgid "Upscaling single file: {}"
+msgstr "放大单个文件：{}"
 
-#: upscaler.py:443 upscaler.py:502
-msgid "Starting to upscale extracted images"
-msgstr "开始对提取的帧进行放大"
+#: upscaler.py:466
+msgid "Starting to upscale image"
+msgstr "开始放大图像"
 
-#: upscaler.py:448 upscaler.py:504
+#: upscaler.py:469 upscaler.py:487 upscaler.py:545
 msgid "Upscaling completed"
 msgstr "放大完成"
 
-#: upscaler.py:457
+#: upscaler.py:482
+msgid "Starting to upscale video with Anime4KCPP"
+msgstr "开始用 Anime4KCPP 放大视频"
+
+#: upscaler.py:496
 msgid "Reading video information"
 msgstr "读取视频信息"
 
-#: upscaler.py:471
+#: upscaler.py:510
 msgid "Aborting: No video stream found"
 msgstr "程序中止：文件中未找到视频流"
 
-#: upscaler.py:490
+#: upscaler.py:531
 msgid "Unsupported pixel format: {}"
 msgstr "不支持的像素格式：{}"
 
-#: upscaler.py:493
+#: upscaler.py:534
 msgid "Framerate: {}"
 msgstr "帧率：{}"
 
-#: upscaler.py:507
-msgid "Converting extracted frames into video"
-msgstr "正在将提取的帧转换为视频"
+#: upscaler.py:543
+msgid "Starting to upscale extracted frames"
+msgstr "开始对提取的帧进行放大"
 
-#: upscaler.py:514
+#: upscaler.py:550
+msgid "File {} ({}) neither an image of a video"
+msgstr "文件 {} （{}） 既不是图片也不是视频"
+
+#: upscaler.py:551
+msgid "Skipping this file"
+msgstr "将跳过此文件"
+
+#: upscaler.py:561
+msgid "Converting extracted frames into GIF image"
+msgstr "正在将提取的帧转换为 GIF"
+
+#: upscaler.py:565 upscaler.py:574
 msgid "Conversion completed"
 msgstr "转换已完成"
 
-#: upscaler.py:518
+#: upscaler.py:570
+msgid "Converting extracted frames into video"
+msgstr "正在将提取的帧转换为视频"
+
+#: upscaler.py:578
 msgid "Migrating audio, subtitles and other streams to upscaled video"
 msgstr "正在将音频、字幕和其他流迁移到放大后的视频"
 
-#: upscaler.py:527
+#: upscaler.py:587
 msgid "Failed to migrate streams"
 msgstr "迁移流失败"
 
-#: upscaler.py:528
+#: upscaler.py:588
 msgid "Trying to output video without additional streams"
 msgstr "正在尝试输出不含其他流的视频"
 
-#: upscaler.py:535
+#: upscaler.py:599
 msgid "Output video file exists, aborting"
 msgstr "输出目标文件已存在，取消输出"
 
-#: upscaler.py:539
+#: upscaler.py:603
 msgid "Writing intermediate file to: {}"
 msgstr "正在将中间视频文件写入至：{}"
 
@@ -259,11 +283,11 @@ msgstr "保留提取的和放大的帧"
 msgid "This file cannot be imported"
 msgstr "此文件无法被当作模块导入"
 
-#: video2x.py:229
+#: video2x.py:234
 msgid "Program completed, taking {} seconds"
 msgstr "程序执行完毕，总计花费 {} 秒"
 
-#: video2x.py:232
+#: video2x.py:237
 msgid "An exception has occurred"
 msgstr "发生了异常"
 
diff --git a/src/video2x.pot b/src/video2x.pot
index b03241f..4b6f5bb 100644
--- a/src/video2x.pot
+++ b/src/video2x.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2020-05-11 04:39-0400\n"
+"POT-Creation-Date: 2020-05-12 04:27-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -19,179 +19,203 @@ msgstr ""
 msgid "Upscaling Progress"
 msgstr ""
 
-#: upscaler.py:104
+#: upscaler.py:106
 msgid "Specified or default cache directory is a file/link"
 msgstr ""
 
-#: upscaler.py:110
+#: upscaler.py:112
 msgid "Creating cache directory {}"
 msgstr ""
 
-#: upscaler.py:113
+#: upscaler.py:115
 msgid "Unable to create {}"
 msgstr ""
 
-#: upscaler.py:118
+#: upscaler.py:120
 msgid "Extracted frames are being saved to: {}"
 msgstr ""
 
-#: upscaler.py:120
+#: upscaler.py:122
 msgid "Upscaled frames are being saved to: {}"
 msgstr ""
 
-#: upscaler.py:130
+#: upscaler.py:132
 msgid "Cleaning up cache directory: {}"
 msgstr ""
 
-#: upscaler.py:133
+#: upscaler.py:135
 msgid "Unable to delete: {}"
 msgstr ""
 
-#: upscaler.py:139 upscaler.py:154 upscaler.py:165
+#: upscaler.py:141 upscaler.py:156 upscaler.py:167
 msgid "Input and output path type mismatch"
 msgstr ""
 
-#: upscaler.py:140
+#: upscaler.py:142
 msgid "Input is multiple files but output is not directory"
 msgstr ""
 
-#: upscaler.py:144
+#: upscaler.py:146
 msgid "Input path {} is neither a file nor a directory"
 msgstr ""
 
-#: upscaler.py:148 upscaler.py:170
+#: upscaler.py:150 upscaler.py:172
 msgid "Input directory and output directory cannot be the same"
 msgstr ""
 
-#: upscaler.py:155
+#: upscaler.py:157
 msgid "Input is single file but output is directory"
 msgstr ""
 
-#: upscaler.py:158
+#: upscaler.py:160
 msgid "No suffix found in output file path"
 msgstr ""
 
-#: upscaler.py:159
-msgid "Suffix must be specified for FFmpeg"
+#: upscaler.py:161
+msgid "Suffix must be specified"
 msgstr ""
 
-#: upscaler.py:166
+#: upscaler.py:168
 msgid "Input is directory but output is existing single file"
 msgstr ""
 
-#: upscaler.py:175
+#: upscaler.py:177
 msgid "Input path is neither a file nor a directory"
 msgstr ""
 
-#: upscaler.py:184
+#: upscaler.py:186
 msgid "FFmpeg or FFprobe cannot be found under the specified path"
 msgstr ""
 
-#: upscaler.py:185 upscaler.py:195
+#: upscaler.py:187 upscaler.py:197
 msgid "Please check the configuration file settings"
 msgstr ""
 
-#: upscaler.py:194
+#: upscaler.py:196
 msgid "Specified driver executable directory doesn't exist"
 msgstr ""
 
-#: upscaler.py:221
+#: upscaler.py:223
 msgid "Failed to parse driver argument: {}"
 msgstr ""
 
-#: upscaler.py:253
+#: upscaler.py:248
+msgid "Anime4KCPP doesn't yet support GIF processing"
+msgstr ""
+
+#: upscaler.py:263
 msgid "Unrecognized driver: {}"
 msgstr ""
 
-#: upscaler.py:293
+#: upscaler.py:303
 msgid "Starting progress monitor"
 msgstr ""
 
-#: upscaler.py:298
+#: upscaler.py:308
 msgid "Starting upscaled image cleaner"
 msgstr ""
 
-#: upscaler.py:307 upscaler.py:324
+#: upscaler.py:317 upscaler.py:334
 msgid "Killing progress monitor"
 msgstr ""
 
-#: upscaler.py:310 upscaler.py:327
+#: upscaler.py:320 upscaler.py:337
 msgid "Killing upscaled image cleaner"
 msgstr ""
 
-#: upscaler.py:331
+#: upscaler.py:341
 msgid "Terminating all processes"
 msgstr ""
 
-#: upscaler.py:338
+#: upscaler.py:348
 msgid "Main process waiting for subprocesses to exit"
 msgstr ""
 
-#: upscaler.py:357 upscaler.py:361
+#: upscaler.py:367 upscaler.py:371
 msgid "Subprocess {} exited with code {}"
 msgstr ""
 
-#: upscaler.py:367
+#: upscaler.py:377
 msgid "Stop signal received"
 msgstr ""
 
-#: upscaler.py:372
+#: upscaler.py:382
 msgid "Subprocess execution ran into an error"
 msgstr ""
 
-#: upscaler.py:421
-msgid "Upscaling single video file: {}"
+#: upscaler.py:430
+msgid "Upscaling single file: {}"
 msgstr ""
 
-#: upscaler.py:443 upscaler.py:502
-msgid "Starting to upscale extracted images"
+#: upscaler.py:466
+msgid "Starting to upscale image"
 msgstr ""
 
-#: upscaler.py:448 upscaler.py:504
+#: upscaler.py:469 upscaler.py:487 upscaler.py:545
 msgid "Upscaling completed"
 msgstr ""
 
-#: upscaler.py:457
+#: upscaler.py:482
+msgid "Starting to upscale video with Anime4KCPP"
+msgstr ""
+
+#: upscaler.py:496
 msgid "Reading video information"
 msgstr ""
 
-#: upscaler.py:471
+#: upscaler.py:510
 msgid "Aborting: No video stream found"
 msgstr ""
 
-#: upscaler.py:490
+#: upscaler.py:531
 msgid "Unsupported pixel format: {}"
 msgstr ""
 
-#: upscaler.py:493
+#: upscaler.py:534
 msgid "Framerate: {}"
 msgstr ""
 
-#: upscaler.py:507
-msgid "Converting extracted frames into video"
+#: upscaler.py:543
+msgid "Starting to upscale extracted frames"
 msgstr ""
 
-#: upscaler.py:514
+#: upscaler.py:550
+msgid "File {} ({}) neither an image of a video"
+msgstr ""
+
+#: upscaler.py:551
+msgid "Skipping this file"
+msgstr ""
+
+#: upscaler.py:561
+msgid "Converting extracted frames into GIF image"
+msgstr ""
+
+#: upscaler.py:565 upscaler.py:574
 msgid "Conversion completed"
 msgstr ""
 
-#: upscaler.py:518
+#: upscaler.py:570
+msgid "Converting extracted frames into video"
+msgstr ""
+
+#: upscaler.py:578
 msgid "Migrating audio, subtitles and other streams to upscaled video"
 msgstr ""
 
-#: upscaler.py:527
+#: upscaler.py:587
 msgid "Failed to migrate streams"
 msgstr ""
 
-#: upscaler.py:528
+#: upscaler.py:588
 msgid "Trying to output video without additional streams"
 msgstr ""
 
-#: upscaler.py:535
+#: upscaler.py:599
 msgid "Output video file exists, aborting"
 msgstr ""
 
-#: upscaler.py:539
+#: upscaler.py:603
 msgid "Writing intermediate file to: {}"
 msgstr ""
 
@@ -252,11 +276,11 @@ msgstr ""
 msgid "This file cannot be imported"
 msgstr ""
 
-#: video2x.py:229
+#: video2x.py:234
 msgid "Program completed, taking {} seconds"
 msgstr ""
 
-#: video2x.py:232
+#: video2x.py:237
 msgid "An exception has occurred"
 msgstr ""