[FFmpeg-trac] #1926(undetermined:new): EXIF metadata is not extracted
FFmpeg
trac at avcodec.org
Sat Nov 17 17:25:23 CET 2012
#1926: EXIF metadata is not extracted
-------------------------------------+-------------------------------------
Reporter: mbradshaw | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git- | undetermined
master | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
'''Summary of the bug:'''
Checking `metadata` in `AVFormatContext`, `AVStream`, and `AVFrame`, there
is no metadata. However, the image surely has EXIF metadata associated
with it. I'm particularly interested in getting the `Orientation` tag, but
all of it would be nice.
Attached image was taken with a Canon PowerShot A1000IS. I can provide
more samples if needed.
'''How to reproduce:'''
Here is the ffprobe output (when using my own program, I can see metadata
is clearly empty):
{{{
$ ffprobe -show_frames -show_streams -show_format -show_packets 0.jpg
ffprobe version 1.0.git Copyright (c) 2007-2012 the FFmpeg developers
built on Nov 17 2012 09:15:28 with llvm-gcc 4.2.1 (LLVM build
2336.11.00)
configuration:
libavutil 52. 7.100 / 52. 7.100
libavcodec 54. 71.100 / 54. 71.100
libavformat 54. 36.100 / 54. 36.100
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 23.100 / 3. 23.100
libswscale 2. 1.102 / 2. 1.102
libswresample 0. 16.100 / 0. 16.100
[image2 @ 0x7fa0e900f200] Stream #0: not enough frames to estimate rate;
consider increasing probesize
Input #0, image2, from '0.jpg':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj422p, 3648x2736, 25 tbr, 25 tbn, 25 tbc
[PACKET]
codec_type=video
stream_index=0
pts=0
pts_time=0.000000
dts=0
dts_time=0.000000
duration=1
duration_time=0.040000
convergence_duration=N/A
convergence_duration_time=N/A
size=5901736
pos=N/A
flags=K
[/PACKET]
[FRAME]
media_type=video
key_frame=1
pkt_pts=0
pkt_pts_time=0.000000
pkt_dts=0
pkt_dts_time=0.000000
pkt_duration=1
pkt_duration_time=0.040000
pkt_pos=N/A
width=3648
height=2736
pix_fmt=yuvj422p
sample_aspect_ratio=N/A
pict_type=I
coded_picture_number=0
display_picture_number=0
interlaced_frame=0
top_field_first=0
repeat_pict=0
reference=0
[/FRAME]
[STREAM]
index=0
codec_name=mjpeg
codec_long_name=MJPEG (Motion JPEG)
profile=unknown
codec_type=video
codec_time_base=1/25
codec_tag_string=[0][0][0][0]
codec_tag=0x0000
width=3648
height=2736
has_b_frames=0
sample_aspect_ratio=0:1
display_aspect_ratio=0:1
pix_fmt=yuvj422p
level=-99
timecode=N/A
id=N/A
r_frame_rate=25/1
avg_frame_rate=0/0
time_base=1/25
start_pts=0
start_time=0.000000
duration_ts=1
duration=0.040000
bit_rate=N/A
nb_frames=N/A
nb_read_frames=1
nb_read_packets=1
DISPOSITION:default=0
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
[/STREAM]
[FORMAT]
filename=0.jpg
nb_streams=1
format_name=image2
format_long_name=image2 sequence
start_time=0.000000
duration=0.040000
size=N/A
bit_rate=N/A
[/FORMAT]
}}}
And here is the output from exiftool:
{{{
./exiftool ~/Pixio/prototype/assets/0.jpg
ExifTool Version Number : 9.06
File Name : 0.jpg
Directory : /Users/mjbshaw/Pixio/prototype/assets
File Size : 5.6 MB
File Modification Date/Time : 2011:08:01 18:53:00-06:00
File Access Date/Time : 2012:11:17 09:18:38-07:00
File Permissions : rwxrwxrwx
File Type : JPEG
MIME Type : image/jpeg
Exif Byte Order : Little-endian (Intel, II)
Image Description :
Make : Canon
Camera Model Name : Canon PowerShot A1000 IS
Orientation : Rotate 90 CW
X Resolution : 180
Y Resolution : 180
Resolution Unit : inches
Modify Date : 2011:08:01 17:53:01
Y Cb Cr Positioning : Co-sited
Exposure Time : 1/60
F Number : 2.7
ISO : 200
Exif Version : 0221
Date/Time Original : 2011:08:01 17:53:01
Create Date : 2011:08:01 17:53:01
Components Configuration : Y, Cb, Cr, -
Compressed Bits Per Pixel : 5
Shutter Speed Value : 1/60
Aperture Value : 2.7
Max Aperture Value : 2.7
Flash : Auto, Fired
Focal Length : 6.2 mm
Macro Mode : Normal
Self Timer : Off
Quality : Superfine
Canon Flash Mode : Auto
Continuous Drive : Single
Focus Mode : Single
Record Mode : JPEG
Canon Image Size : Large
Easy Mode : Manual
Digital Zoom : None
Contrast : Normal
Saturation : Normal
Sharpness : 0
Camera ISO : Auto
Metering Mode : Evaluative
Focus Range : Auto
AF Point : Auto AF point selection
Canon Exposure Mode : Program AE
Lens Type : Unknown (-1)
Max Focal Length : 24.8 mm
Min Focal Length : 6.2 mm
Focal Units : 1000/mm
Max Aperture : 2.7
Min Aperture : 8
Flash Bits : E-TTL, Built-in
Focus Continuous : Single
AE Setting : Normal AE
Image Stabilization : On
Display Aperture : 2.7
Zoom Source Width : 3648
Zoom Target Width : 3648
Spot Metering Mode : Center
Manual Flash Output : n/a
Focal Type : Zoom
Focal Plane X Size : 6.27 mm
Focal Plane Y Size : 4.70 mm
Auto ISO : 200
Base ISO : 100
Measured EV : 6.22
Target Aperture : 2.7
Target Exposure Time : 1/60
Exposure Compensation : 0
White Balance : Cloudy
Slow Shutter : Off
Shot Number In Continuous Burst : 0
Optical Zoom Code : 0
Flash Guide Number : 5.28125
Flash Exposure Compensation : 0
Auto Exposure Bracketing : Off
AEB Bracket Value : 0
Control Mode : Camera Local Control
Focus Distance Upper : 2.63 m
Focus Distance Lower : 0 m
Bulb Duration : 0
Camera Type : Compact
Auto Rotate : Rotate 90 CW
ND Filter : Off
Self Timer 2 : 0
Flash Output : 77
Canon Image Type : IMG:PowerShot A1000 IS JPEG
Canon Firmware Version : Firmware Version 1.00
File Number : 260-0864
Owner Name :
Rotation : 90
Camera Temperature : 25 C
Canon Model ID : PowerShot A1000 IS
AF Area Mode : Multi-point AF or AI AF
Num AF Points : 9
Valid AF Points : 9
Canon Image Width : 3648
Canon Image Height : 2736
AF Image Width : 100
AF Image Height : 100
AF Area Widths : 18 18 18 18 18 18 18 18 18
AF Area Heights : 18 18 18 18 18 18 18 18 18
AF Area X Positions : -18 0 18 -18 0 18 -18 0 18
AF Area Y Positions : -18 -18 -18 0 0 0 18 18 18
AF Points In Focus : 4,5
Primary AF Point : 4
Thumbnail Image Valid Area : 0 0 0 0
Date Stamp Mode : Off
My Color Mode : Vivid
Firmware Revision : 1.00 rev 2.00
Categories : (none)
Intelligent Contrast : n/a
Image Unique ID : 1c1b916506dd6a144dfbaabc4abb85c4
VRD Offset : 0
User Comment :
Flashpix Version : 0100
Color Space : sRGB
Exif Image Width : 3648
Exif Image Height : 2736
Interoperability Index : R98 - DCF basic file (sRGB)
Interoperability Version : 0100
Related Image Width : 3648
Related Image Height : 2736
Focal Plane X Resolution : 15136.92946
Focal Plane Y Resolution : 15116.0221
Focal Plane Resolution Unit : inches
Sensing Method : One-chip color area
File Source : Digital Camera
Custom Rendered : Normal
Exposure Mode : Auto
Digital Zoom Ratio : 1
Scene Capture Type : Standard
Compression : JPEG (old-style)
Thumbnail Offset : 5120
Thumbnail Length : 5992
Image Width : 3648
Image Height : 2736
Encoding Process : Baseline DCT, Huffman coding
Bits Per Sample : 8
Color Components : 3
Y Cb Cr Sub Sampling : YCbCr4:2:2 (2 1)
Aperture : 2.7
Flash Exposure Compensation : 0
Drive Mode : Single-frame Shooting
Flash Type : Built-In Flash
Image Size : 3648x2736
Lens : 6.2 - 24.8 mm
Lens ID : Unknown 6-24mm
Red Eye Reduction : Off
Scale Factor To 35 mm Equivalent: 5.5
Shooting Mode : Program AE
Shutter Curtain Sync : 1st-curtain sync
Shutter Speed : 1/60
Thumbnail Image : (Binary data 5992 bytes, use -b option
to extract)
Circle Of Confusion : 0.005 mm
Field Of View : 55.5 deg
Focal Length : 6.2 mm (35 mm equivalent: 34.2 mm)
Hyperfocal Distance : 2.62 m
Lens : 6.2 - 24.8 mm (35 mm equivalent: 34.2 -
136.9 mm)
Light Value : 7.8
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1926>
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