Archive:Codecinfo

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Revision as of 09:51, 2 May 2013 by >UNiversal (again improve formatting, accessibility should somewhat kept in mind on public available information.)
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Whilst XBMC is playing media on screen you can activate the codecinfo overlay (O key). 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.

Gotham ?


In Frodo in fullscreen video playback, the codec information is split into 4 lines of text. In Gotham it splits into 6 lines.

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

Samples from the screen above:

Audio information Breakdown
aac Audio codec
mp4a / 0x6134706D Codec ID ? Format profile ?
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 (profile) (type)
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 (in this case, ffmpeg/h264 with DXVA2 hardware accelerated decoding)
Mb/s:7.79 Current video bitrate (reported by player)
drop:12 Number of dropped 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
fps:24.00 Video framerate
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 ?

Further information/discussion

Attention talk.png See the Video Diagnostic Screen forum topic for discussion and more information.