Preview and thumbnail doesn't work. However other mkv file just working fine. I remember I re-encoding this video and insert new subtitle file SRT format. Playback is normal, video is not corrupt or broken
QuickLook Video 3.07
macOS: Version 26.5 (Build 25F71)
Hardware: Mac14,3, Apple M2, neon=yes
Previewer: Not found
Thumbnailer: Not found
Media Formats: 3.07
Media Codecs: 3.07
file.mkv:
ContentType: 'org.matroska.mkv', subtype of 'public.audio'=no, subtype of 'public.movie'=yes
Playable: No
Thumbnail: Error Domain=QLThumbnailErrorDomain Code=0 "Could not generate a thumbnail" UserInfo={NSUnderlyingError=0xac2280870 {Error Domain=QLThumbnailErrorDomain Code=102 "(null)"}}
Spotlight: Imported 'file.mkv' of type 'com.firecore.fileformat.mkv' with plugIn /Applications/QuickLook Video.app/Contents/Library/Spotlight/QLVideo Metadata.mdimporter. 40 attributes returned
{
"programs": [
],
"stream_groups": [
],
"streams": [
{
"codec_name": "hevc",
"profile": "Main 10",
"codec_type": "video",
"codec_tag_string": "[0][0][0][0]",
"width": 1920,
"height": 1080,
"display_aspect_ratio": "16:9",
"pix_fmt": "yuv420p10le",
"color_range": "tv",
"color_space": "bt709",
"color_primaries": "bt709",
"extradata_size": 23,
"disposition": {
"default": 1,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "eac3",
"codec_type": "audio",
"codec_tag_string": "[0][0][0][0]",
"sample_fmt": "fltp",
"channel_layout": "5.1(side)",
"disposition": {
"default": 1,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "eac3",
"codec_type": "audio",
"codec_tag_string": "[0][0][0][0]",
"sample_fmt": "fltp",
"channel_layout": "5.1(side)",
"disposition": {
"default": 0,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "subrip",
"codec_type": "subtitle",
"codec_tag_string": "[0][0][0][0]",
"disposition": {
"default": 1,
"attached_pic": 0,
"timed_thumbnails": 0
}
}
],
"chapters": [
],
"format": {
"format_name": "matroska,webm",
"duration": "3500.192000",
"size": "1494865019",
"bit_rate": "3416646",
"probe_score": 100
}
}
Preview and thumbnail doesn't work. However other mkv file just working fine. I remember I re-encoding this video and insert new subtitle file SRT format. Playback is normal, video is not corrupt or broken
QuickLook Video 3.07
macOS: Version 26.5 (Build 25F71)
Hardware: Mac14,3, Apple M2, neon=yes
Previewer: Not found
Thumbnailer: Not found
Media Formats: 3.07
Media Codecs: 3.07
file.mkv:
ContentType: 'org.matroska.mkv', subtype of 'public.audio'=no, subtype of 'public.movie'=yes
Playable: No
Thumbnail: Error Domain=QLThumbnailErrorDomain Code=0 "Could not generate a thumbnail" UserInfo={NSUnderlyingError=0xac2280870 {Error Domain=QLThumbnailErrorDomain Code=102 "(null)"}}
Spotlight: Imported 'file.mkv' of type 'com.firecore.fileformat.mkv' with plugIn /Applications/QuickLook Video.app/Contents/Library/Spotlight/QLVideo Metadata.mdimporter. 40 attributes returned
{ "programs": [ ], "stream_groups": [ ], "streams": [ { "codec_name": "hevc", "profile": "Main 10", "codec_type": "video", "codec_tag_string": "[0][0][0][0]", "width": 1920, "height": 1080, "display_aspect_ratio": "16:9", "pix_fmt": "yuv420p10le", "color_range": "tv", "color_space": "bt709", "color_primaries": "bt709", "extradata_size": 23, "disposition": { "default": 1, "attached_pic": 0, "timed_thumbnails": 0 } }, { "codec_name": "eac3", "codec_type": "audio", "codec_tag_string": "[0][0][0][0]", "sample_fmt": "fltp", "channel_layout": "5.1(side)", "disposition": { "default": 1, "attached_pic": 0, "timed_thumbnails": 0 } }, { "codec_name": "eac3", "codec_type": "audio", "codec_tag_string": "[0][0][0][0]", "sample_fmt": "fltp", "channel_layout": "5.1(side)", "disposition": { "default": 0, "attached_pic": 0, "timed_thumbnails": 0 } }, { "codec_name": "subrip", "codec_type": "subtitle", "codec_tag_string": "[0][0][0][0]", "disposition": { "default": 1, "attached_pic": 0, "timed_thumbnails": 0 } } ], "chapters": [ ], "format": { "format_name": "matroska,webm", "duration": "3500.192000", "size": "1494865019", "bit_rate": "3416646", "probe_score": 100 } }