Archive:Codecinfo: Difference between revisions

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{{Incomplete}}
Whilst XBMC is playing media on screen you can activate the codecinfo pop-up/overlay. This normally appears as white text on a black background bar located near the top of the screen (dependent on the skin being used).


The codecinfo displays a number of variables in real time describing detailed codec information.
<section begin="intro" />Whilst Kodi is playing media on screen you can activate the '''codecinfo''' overlay {{keypress|o}} key on a keyboard. This normally appears as white text on a black background bar located near the top of the screen (dependent on the skin being used). The codecinfo overlay displays a number of real time variables describing detailed information on the codecs currently in use.<section end="intro" />


A sample of the information displayed is as follows:
{{note|The codecinfo screen is not entirely accurate for some of the reported data, due to the fact that the codecinfo screen itself will reduce performance on low powered devices (i.e., Raspberry Pi, some Android/ARM boxes). }}


audio:(mp3lib MPEG layer-2, layer-3) br:128000 sr:48.00 khz chns:2
{{-}}
== Current stable builds ==
[[File:Helix codecinfo.png|700px|Helix|right]]
;Video codecinfo window as seen in stable Kodi v14.x and newer builds.


video:FFmpeg MPEG-4 fps:23.98 512x384 early/late:3/2
Information is split into 7 lines of text:
* Audio information - '''D'''emuxer
* Audio information - '''P'''layer
* Video information - '''D'''emuxer
* Video information - '''P'''layer
* General playback information '''C'''
* '''W'''indowing and System CPU information
* '''S'''ync to screen information
{{-}}


fps:23.93 cpu:0.00 dropped:1 Q:0 cache:80% ct:0.05 ac:-0.01
=== Breakdown ===
Samples from the screen(s) above:
{| class="prettytable"
! Audio information
! Breakdown
|-
| aac || Audio codec
|-
| mp4a / 0x6134706D || Codec ID - Format profile <ref>http://matroska.org/technical/specs/index.html#CodecID</ref>
|-
| 48000 Hz || Sampling rate
|-
| 5.1 || Audio channels
|-
| s16 || Sample size (s16 = signed 16-bit value)
|-
| fltp || float, planar
|-
| 437 kb/s || Average audio bitrate (reported by demuxer)
|-
| aq:99% || Audio queue saturation
|-
| Kb/s:437.41 || Current audio bitrate (reported by player)
|-
| att:0.0db || Attenuation / gain added by player
|-
! style="background: #DBDBDB;" | '''Video information'''
! style="background: #DBDBDB;" | '''Breakdown'''
|-
| h264 (Main) (avc1 / 0x31637661) || Video codec
|-
| yuv420p || Color space / Chroma subsampling
|-
| 1920x1080 || Resolution
|-
| SAR 1:1 DAR 16x9 || '''S'''ource '''A'''spect '''R'''atio - '''D'''isplay '''A'''spect '''R'''atio
|-
| 9282 kb/s || Average audio bitrate (reported by demuxer)
|-
| fr:24.000 || Source framerate
|-
| vq:88% || Video queue saturation
|-
| dc:ff-h264-dxva2 || Video library performing decode
|-
| Mb/s:7.79 || Current video bitrate (reported by player)
|-
| drop:12 || Number of dropped frames
|-
| skip:13 || Number of skipped frames
|-
| pc:1 || Pullup correction pattern length
|-
! style="background: #DBDBDB;" | '''General playback information'''
! style="background: #DBDBDB;" | '''Breakdown'''
|-
| ad:0.000 || Audio delay (configured)
|-
| a/v:0.030 || Audio/video sync difference (real time)
|-
| edl:- || Edit decision list
|-
| dcpu: 0% || Relative CPU Usage of the player thread
|-
| acpu: 0% || Relative CPU usage of the audio decode thread
|-
| vcpu: 0% || Relative CPU Usage of the video decode thread
|-
| cache:0 B 100% || Size of cached data and % of cache utilized
|-
! style="background: #DBDBDB;" | '''Windowing information'''
! style="background: #DBDBDB;" | '''Breakdown'''
|-
| CPU 4 core(s) || System processor information (this display is OS-dependent)
|-
| average: 4.7% || Average CPU load across all cores
|-
! style="background: #DBDBDB;" | '''Sync to screen information'''
! style="background: #DBDBDB;" | '''Breakdown'''
|-
| refresh || Actual refresh-rate being displayed
|-
| missed || Number of missed frames
|-
| speed || Audio speed correction to sync
|-
| sync || Video speed to enable sync
|-
| avg || Avg amount of correction
|-
| error || Percentage of errors syncing
|}


== References ==
<references/>


audio:(mp3lib MPEG layer-2, layer-3)
== Further information/discussion ==
Audio Codec in use
* See the [[forum:70743|Video Diagnostic Screen]] forum topic for discussion and more information.
br:128000
Bit Rate of Audio Codec
sr:48.00 khz
?
chns:2
Number of audio channels present
video:FFmpeg MPEG-4
Audio Codec in use
fps:23.98 512x384
Frames Per Second and resolution of video
early/late:3/2
Number of frames that have arrived earlier than expected and later than required.
fps:23.93
Frames Per Second (listed twice for some reason)
cpu:0.00
CPU Usage (Assume Zero due to some mod quirk)
dropped:1
Number of dropped frames
Q:0
?
cache:80%
XBMC caches the media locally to ensure continuous uninterupted playback. If this figure drops it is due to either XBMC or the network is struggling to keep up with the data throughput.
ct:0.05
?
ac:-0.01
?
[[category:incomplete]]
[[category:usage]]

Latest revision as of 02:17, 7 December 2020

Whilst Kodi is playing media on screen you can activate the codecinfo overlay o key on a keyboard. This normally appears as white text on a black background bar located near the top of the screen (dependent on the skin being used). The codecinfo overlay displays a number of real time variables describing detailed information on the codecs currently in use.

Note: The codecinfo screen is not entirely accurate for some of the reported data, due to the fact that the codecinfo screen itself will reduce performance on low powered devices (i.e., Raspberry Pi, some Android/ARM boxes).


Current stable builds

Helix
Video codecinfo window as seen in stable Kodi v14.x and newer builds.

Information is split into 7 lines of text:

  • Audio information - Demuxer
  • Audio information - Player
  • Video information - Demuxer
  • Video information - Player
  • General playback information C
  • Windowing and System CPU information
  • Sync to screen information


Breakdown

Samples from the screen(s) above:

Audio information Breakdown
aac Audio codec
mp4a / 0x6134706D Codec ID - Format profile [1]
48000 Hz Sampling rate
5.1 Audio channels
s16 Sample size (s16 = signed 16-bit value)
fltp float, planar
437 kb/s Average audio bitrate (reported by demuxer)
aq:99% Audio queue saturation
Kb/s:437.41 Current audio bitrate (reported by player)
att:0.0db Attenuation / gain added by player
Video information Breakdown
h264 (Main) (avc1 / 0x31637661) Video codec
yuv420p Color space / Chroma subsampling
1920x1080 Resolution
SAR 1:1 DAR 16x9 Source Aspect Ratio - Display Aspect Ratio
9282 kb/s Average audio bitrate (reported by demuxer)
fr:24.000 Source framerate
vq:88% Video queue saturation
dc:ff-h264-dxva2 Video library performing decode
Mb/s:7.79 Current video bitrate (reported by player)
drop:12 Number of dropped frames
skip:13 Number of skipped frames
pc:1 Pullup correction pattern length
General playback information Breakdown
ad:0.000 Audio delay (configured)
a/v:0.030 Audio/video sync difference (real time)
edl:- Edit decision list
dcpu: 0% Relative CPU Usage of the player thread
acpu: 0% Relative CPU usage of the audio decode thread
vcpu: 0% Relative CPU Usage of the video decode thread
cache:0 B 100% Size of cached data and % of cache utilized
Windowing information Breakdown
CPU 4 core(s) System processor information (this display is OS-dependent)
average: 4.7% Average CPU load across all cores
Sync to screen information Breakdown
refresh Actual refresh-rate being displayed
missed Number of missed frames
speed Audio speed correction to sync
sync Video speed to enable sync
avg Avg amount of correction
error Percentage of errors syncing

References

  1. ↑ http://matroska.org/technical/specs/index.html#CodecID

Further information/discussion

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