Prova mediainfo. Sulla riga di comando digita mediainfo input.mkv . Per informazioni più dettagliate sul video mediainfo --fullscan input.mkv .
Esempio di output:
General
Unique ID : 239093944660469735839645243666869007606 (0xB3DFD199E22F0E7CBAE1FE52206834F6)
Complete name : input.mkv
Format : Matroska
Format version : Version 2
File size : 39.6 MiB
Duration : 20s 288ms
Overall bit rate mode : Variable
Overall bit rate : 16.4 Mbps
Movie name : My best movie
Encoded date : UTC 2012-11-10 16:42:02
Writing application : mkvmerge v5.8.0 ('No Sleep / Pillow') built on Sep 2 2012 15:37:04
Writing library : libebml v1.2.3 + libmatroska v1.3.0
Produzent : ??? ???????
Thanks to : Bruce Davey
Lead performer : Rudy Youngblood
Remixed by : ©????
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
MultiView_Count : 2
Format settings, CABAC : Yes
Format settings, ReFrames : 2 frames
Format settings, GOP : M=2, N=13
Muxing mode : Header stripping
Codec ID : V_MPEG4/ISO/AVC
Duration : 20s 280ms
Bit rate mode : Variable
Bit rate : 15.8 Mbps
Maximum bit rate : 16.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Bits/(Pixel*Frame) : 0.304
Stream size : 38.2 MiB (96%)
Title : Sony Hardware Video H.264 Encoder
Language : English
Default : Yes
Forced : No
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Muxing mode : Header stripping
Codec ID : A_AC3
Duration : 20s 288ms
Bit rate mode : Constant
Bit rate : 256 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Delay relative to video : -80ms
Stream size : 634 KiB (2%)
Title : Sony Hardware Audio AC3 Encoder
Language : Russian
Default : Yes
Forced : No
Text
ID : 3
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : The same subtitle format used on BDs/HD-DVDs
Title : Sony Hardware PGS Encoder
Language : English
Default : Yes
Forced : No
sonda ff
Sotto Ubuntu:
sudo apt install ffmpeg
ffprobe a.mp4
Per ottenere informazioni su formato, stream, ecc., eseguire:
ffprobe -v error -show_format -show_streams a.mp4
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_time_base=1/50
codec_tag_string=avc1
codec_tag=0x31637661
width=320
height=240
has_b_frames=2
sample_aspect_ratio=1:1
display_aspect_ratio=4:3
pix_fmt=yuv420p
level=13
color_range=N/A
color_space=unknown
color_transfer=unknown
color_primaries=unknown
chroma_location=left
timecode=N/A
refs=4
is_avc=1
nal_length_size=4
id=N/A
r_frame_rate=25/1
avg_frame_rate=25/1
time_base=1/12800
start_pts=0
start_time=0.000000
duration_ts=384000
duration=30.000000
bit_rate=34761
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=750
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
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
TAG:language=und
TAG:handler_name=VideoHandler
[/STREAM]
[STREAM]
index=1
codec_name=aac
codec_long_name=AAC (Advanced Audio Coding)
profile=LC
codec_type=audio
codec_time_base=1/44100
codec_tag_string=mp4a
codec_tag=0x6134706d
sample_fmt=fltp
sample_rate=44100
channels=1
channel_layout=mono
bits_per_sample=0
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/44100
start_pts=-1024
start_time=-0.023220
duration_ts=1324024
duration=30.023220
bit_rate=56517
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=1293
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
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
TAG:language=und
TAG:handler_name=SoundHandler
[/STREAM]
[FORMAT]
filename=input.mp4
nb_streams=2
nb_programs=0
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime / MOV
start_time=-0.023220
duration=30.024000
size=368644
bit_rate=98226
probe_score=100
TAG:major_brand=isom
TAG:minor_version=512
TAG:compatible_brands=isomiso2avc1mp41
TAG:title=FFprobe Tips
TAG:encoder=Lavf56.15.101
[/FORMAT]
Oppure puoi ottenere solo una voce selezionata con, ad es. size , con:
ffprobe -v error -show_entries format=size -of default=noprint_wrappers=1:nokey=1 input.mp4
Puoi anche emettere come JSON o CSV. Scopri di più su ffprobe.
Strumento Exif
Sotto Ubuntu:
sudo apt install libimage-exiftool-perl
exiftool a.mp4
Esempio di output:
ExifTool Version Number : 10.00
File Name : lego.mp4
Directory : .
File Size : 375 kB
File Modification Date/Time : 2016:02:03 17:18:15+01:00
File Access Date/Time : 2016:02:03 17:18:49+01:00
File Inode Change Date/Time : 2016:02:03 17:18:49+01:00
File Permissions : rw-rw-r--
File Type : MP4
File Type Extension : mp4
MIME Type : video/mp4
Major Brand : MP4 v2 [ISO 14496-14]
Minor Version : 0.0.0
Compatible Brands : mp42, isom, avc1
Movie Data Size : 379872
Movie Data Offset : 168
Movie Header Version : 0
Create Date : 2010:03:20 21:29:11
Modify Date : 2010:03:20 21:29:12
Time Scale : 90000
Duration : 5.57 s
Preferred Rate : 1
Preferred Volume : 100.00%
Preview Time : 0 s
Preview Duration : 0 s
Poster Time : 0 s
Selection Time : 0 s
Selection Duration : 0 s
Current Time : 0 s
Next Track ID : 3
Track Header Version : 0
Track Create Date : 2010:03:20 21:29:11
Track Modify Date : 2010:03:20 21:29:12
Track ID : 1
Track Duration : 5.53 s
Track Layer : 0
Track Volume : 0.00%
Image Width : 560
Image Height : 320
Graphics Mode : srcCopy
Op Color : 0 0 0
Compressor ID : avc1
Source Image Width : 560
Source Image Height : 320
X Resolution : 72
Y Resolution : 72
Compressor Name : JVT/AVC Coding
Bit Depth : 24
Color Representation : nclc 1 1 1
Video Frame Rate : 30
Matrix Structure : 1 0 0 0 1 0 0 0 1
Media Header Version : 0
Media Create Date : 2010:03:20 21:29:11
Media Modify Date : 2010:03:20 21:29:12
Media Time Scale : 48000
Media Duration : 5.57 s
Media Language Code : eng
Balance : 0
Audio Format : mp4a
Audio Channels : 1
Audio Bits Per Sample : 16
Audio Sample Rate : 48000
Track 2 Name : Stereo
Handler Type : Metadata
Encoder : HandBrake 0.9.4 2009112300
Avg Bitrate : 546 kbps
Image Size : 560x320
Megapixels : 0.179
Rotation : 0
Vedi anche:https://askubuntu.com/questions/249828/command-to-see-media-file-info-in-terminal
Testato su Ubuntu 18.10.
Puoi usare mplayer:
mplayer -vo null -ao null -frames 0 -identify videofile.mp4
Uscita:
MPlayer 1.1-4.2.1 (C) 2000-2012 MPlayer Team
Can't init Apple Remote.
Playing vid.mp4.
libavformat version 54.6.101 (internal)
libavformat file format detected.
ID_VIDEO_ID=0
[lavf] stream 0: video (h264), -vid 0
ID_AUDIO_ID=0
[lavf] stream 1: audio (aac), -aid 0, -alang und
VIDEO: [H264] 480x360 24bpp 29.970 fps 700.7 kbps (85.5 kbyte/s)
Clip info:
major_brand: qt
ID_CLIP_INFO_NAME0=major_brand
ID_CLIP_INFO_VALUE0=qt
minor_version: 0
ID_CLIP_INFO_NAME1=minor_version
ID_CLIP_INFO_VALUE1=0
compatible_brands: qt
ID_CLIP_INFO_NAME2=compatible_brands
ID_CLIP_INFO_VALUE2=qt
creation_time: 2011-03-03 15:42:30
ID_CLIP_INFO_NAME3=creation_time
ID_CLIP_INFO_VALUE3=2011-03-03 15:42:30
encoder: 4.2.1
ID_CLIP_INFO_NAME4=encoder
ID_CLIP_INFO_VALUE4=4.2.1
encoder-eng: 4.2.1
ID_CLIP_INFO_NAME5=encoder-eng
ID_CLIP_INFO_VALUE5=4.2.1
date: 2011-03-03T10:42:30-0500
ID_CLIP_INFO_NAME6=date
ID_CLIP_INFO_VALUE6=2011-03-03T10:42:30-0500
date-eng: 2011-03-03T10:42:30-0500
ID_CLIP_INFO_NAME7=date-eng
ID_CLIP_INFO_VALUE7=2011-03-03T10:42:30-0500
ID_CLIP_INFO_N=8
Load subtitles in ./
ID_FILENAME=vid.mp4
ID_DEMUXER=lavfpref
ID_VIDEO_FORMAT=H264
ID_VIDEO_BITRATE=700712
ID_VIDEO_WIDTH=480
ID_VIDEO_HEIGHT=360
ID_VIDEO_FPS=29.970
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=MP4A
ID_AUDIO_BITRATE=63600
ID_AUDIO_RATE=44100
ID_AUDIO_NCH=1
ID_START_TIME=0.00
ID_LENGTH=3.83
ID_SEEKABLE=1
ID_CHAPTERS=0
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 54.23.100 (internal)
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
==========================================================================
ID_VIDEO_CODEC=ffh264
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 44100 Hz, 1 ch, s16le, 63.6 kbit/9.01% (ratio: 7950->88200)
ID_AUDIO_BITRATE=63600
ID_AUDIO_RATE=44100
ID_AUDIO_NCH=1
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
AO: [null] 44100Hz 1ch s16le (2 bytes per sample)
ID_AUDIO_CODEC=ffaac
Starting playback...
Exiting... (End of file)
ID_EXIT=EOF