#9542: FFprobe doesn't get exif metadata
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Reporter: Aightt | Type: defect
Status: new | Priority: normal
Component: ffprobe | Version: git-master
Keywords: mjpeg exif | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Hello,
Summary of the bug:
Since this commit
(https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/e93c9986027d17917c3b4f533b28ee4a2ce7cd4c),
the mpjeg decoder detect the rotation in the exif metadata and
automatically rotate the frames. But unfortunately when analyzing the same
file with ffprobe, we don't get the rotate information.
How to reproduce:
{{{
% ffprobe -i input -of json -show_streams -show_format
ffprobe / ffmpeg built from master
built on debian
}}}
Result:
{{{
{
Input #0, jpeg_pipe, from '036538dd-700c-4884-9bf4-da1f4d85baed':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc,
bt470bg/unknown/unknown), 1280x960 [SAR 72:72 DAR 4:3], 25 fps, 25 tbr, 25
tbn
"streams": [
{
"index": 0,
"codec_name": "mjpeg",
"codec_long_name": "Motion JPEG",
"profile": "Baseline",
"codec_type": "video",
"codec_tag_string": "[0][0][0][0]",
"codec_tag": "0x0000",
"width": 1280,
"height": 960,
"coded_width": 1280,
"coded_height": 960,
"closed_captions": 0,
"film_grain": 0,
"has_b_frames": 0,
"sample_aspect_ratio": "1:1",
"display_aspect_ratio": "4:3",
"pix_fmt": "yuvj420p",
"level": -99,
"color_range": "pc",
"color_space": "bt470bg",
"chroma_location": "center",
"refs": 1,
"r_frame_rate": "25/1",
"avg_frame_rate": "25/1",
"time_base": "1/25",
"bits_per_raw_sample": "8",
"disposition": {
"default": 0,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
}
}
],
"format": {
"filename": "036538dd-700c-4884-9bf4-da1f4d85baed",
"nb_streams": 1,
"nb_programs": 0,
"format_name": "jpeg_pipe",
"format_long_name": "piped jpeg sequence",
"size": "272927",
"probe_score": 26
}
}
}}}
We can see there is no informations about the rotate metadata.
But when reencoding:
{{{
ffmpeg -y -loop 1 -t 5 -f image2 -i input output.mp4
ffprobe -i output.mp4 -of json -show_streams -show_format
}}}
Result:
{{{
{
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'output.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf59.9.102
Duration: 00:00:05.00, start: 0.000000, bitrate: 351 kb/s
Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuvj420p(pc, bt470bg/unknown/unknown, progressive), 960x1280 [SAR 1:1 DAR
3:4], 347 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
"streams": [
{
"index": 0,
"codec_name": "h264",
"codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part
10",
"profile": "High",
"codec_type": "video",
"codec_tag_string": "avc1",
"codec_tag": "0x31637661",
"width": 960,
"height": 1280,
"coded_width": 960,
"coded_height": 1280,
"closed_captions": 0,
"film_grain": 0,
"has_b_frames": 2,
"sample_aspect_ratio": "1:1",
"display_aspect_ratio": "3:4",
"pix_fmt": "yuvj420p",
"level": 32,
"color_range": "pc",
"color_space": "bt470bg",
"chroma_location": "center",
"field_order": "progressive",
"refs": 1,
"is_avc": "true",
"nal_length_size": "4",
"id": "0x1",
"r_frame_rate": "25/1",
"avg_frame_rate": "25/1",
"time_base": "1/12800",
"start_pts": 0,
"start_time": "0.000000",
"duration_ts": 64000,
"duration": "5.000000",
"bit_rate": "347878",
"bits_per_raw_sample": "8",
"nb_frames": "125",
"extradata_size": 51,
"disposition": {
"default": 1,
"dub": 0,
"original": 0,
"comment": 0,
"lyrics": 0,
"karaoke": 0,
"forced": 0,
"hearing_impaired": 0,
"visual_impaired": 0,
"clean_effects": 0,
"attached_pic": 0,
"timed_thumbnails": 0,
"captions": 0,
"descriptions": 0,
"metadata": 0,
"dependent": 0,
"still_image": 0
},
"tags": {
"language": "und",
"handler_name": "VideoHandler",
"vendor_id": "[0][0][0][0]"
}
}
],
"format": {
"filename": "output.mp4",
"nb_streams": 1,
"nb_programs": 0,
"format_name": "mov,mp4,m4a,3gp,3g2,mj2",
"format_long_name": "QuickTime / MOV",
"start_time": "0.000000",
"duration": "5.000000",
"size": "219803",
"bit_rate": "351684",
"probe_score": 100,
"tags": {
"major_brand": "isom",
"minor_version": "512",
"compatible_brands": "isomiso2avc1mp41",
"encoder": "Lavf59.9.102"
}
}
}
}}}
We can see the resolution is not the same in output because the mjpeg
decoder automatically rotate the frame.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9542>
FFmpeg <https://ffmpeg.org>
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