No thumbnail for MKV videos, only preview works #172
Description
Hi @Marginal,
I tried using the same video file from the #169 issue with the latest version of the app. Maybe the debug info will help solve the thumbnail issue.
QuickLook Video 3.04
macOS: Version 26.3 (Build 25D125)
Hardware: Mac14,9, Apple M2 Pro, neon=yes
Previewer: Not found
Thumbnailer: Not found
Media Formats: 3.04
Media Codecs: 3.04
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=0x76e48d980 {Error Domain=QLThumbnailErrorDomain Code=102 "(null)"}}
Spotlight: Imported 'file.mkv' of type 'org.matroska.mkv' with plugIn /Applications/QuickLook Video.app/Contents/Library/Spotlight/QLVideo Metadata.mdimporter. 40 attributes returned
{
"programs": [
],
"stream_groups": [
],
"streams": [
{
"codec_name": "h264",
"profile": "High",
"codec_type": "video",
"codec_tag_string": "[0][0][0][0]",
"width": 1920,
"height": 804,
"display_aspect_ratio": "160:67",
"pix_fmt": "yuv420p",
"extradata_size": 42,
"disposition": {
"default": 1,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "dts",
"profile": "DTS-HD MA",
"codec_type": "audio",
"codec_tag_string": "[0][0][0][0]",
"sample_fmt": "s16p",
"channel_layout": "5.1(side)",
"disposition": {
"default": 1,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "hdmv_pgs_subtitle",
"codec_type": "subtitle",
"codec_tag_string": "[0][0][0][0]",
"disposition": {
"default": 0,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "hdmv_pgs_subtitle",
"codec_type": "subtitle",
"codec_tag_string": "[0][0][0][0]",
"disposition": {
"default": 0,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "hdmv_pgs_subtitle",
"codec_type": "subtitle",
"codec_tag_string": "[0][0][0][0]",
"disposition": {
"default": 0,
"attached_pic": 0,
"timed_thumbnails": 0
}
},
{
"codec_name": "hdmv_pgs_subtitle",
"codec_type": "subtitle",
"codec_tag_string": "[0][0][0][0]",
"disposition": {
"default": 0,
"attached_pic": 0,
"timed_thumbnails": 0
}
}
],
"chapters": [
{
"start_time": "0.000000",
"end_time": "510.218000"
},
{
"start_time": "510.218000",
"end_time": "1046.545000"
},
{
"start_time": "1046.545000",
"end_time": "1532.823000"
},
{
"start_time": "1532.823000",
"end_time": "2045.085000"
},
{
"start_time": "2045.085000",
"end_time": "2693.608000"
},
{
"start_time": "2693.608000",
"end_time": "3327.908000"
},
{
"start_time": "3327.908000",
"end_time": "3743.949000"
},
{
"start_time": "3743.949000",
"end_time": "4360.314000"
},
{
"start_time": "4360.314000",
"end_time": "4850.429000"
},
{
"start_time": "4850.429000",
"end_time": "5421.833000"
},
{
"start_time": "5421.833000",
"end_time": "5769.764000"
},
{
"start_time": "5769.764000",
"end_time": "6333.285000"
},
{
"start_time": "6333.285000",
"end_time": "7564.432000"
},
{
"start_time": "7564.432000",
"end_time": "7828.320000"
},
{
"start_time": "7828.320000",
"end_time": "8152.811000"
},
{
"start_time": "8152.811000",
"end_time": "8920.128000"
}
],
"format": {
"format_name": "matroska,webm",
"duration": "8920.128000",
"size": "22454628688",
"bit_rate": "20138391",
"probe_score": 100
}
}