Can the user's device be understood using codec support?

[uazo]

check

• android
  • MediaCodecUtil::IsSurfaceViewOutputSupported()
  • isDecoderSupportedForDevice
• windows
  • CreatePlatformVideoDecoder
• linux
  • CreatePlatformVideoDecoder

see also:

• media::VideoDecoderType List of known VideoDecoder implementations; interesting kFFmpeg
• BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
• kHardwareSecureDecryption
• kAllowMediaCodecSoftwareDecoder (new in 115)

https://bugs.chromium.org/p/chromium/issues/detail?id=684792

[uazo]

from https://github.com/uazo/cromite/issues/84#issuecomment-1646516575

07-22 11:47:00.876  3724  3844 W AudioCapabilities: Unsupported mime audio/x-adpcm-dvi-ima
07-22 11:47:00.877  3724  3844 W AudioCapabilities: Unsupported mime audio/x-adpcm-dvi-ima
07-22 11:47:00.877  3724  3844 W AudioCapabilities: Unsupported mime audio/x-adpcm-ms
07-22 11:47:00.878  3724  3844 W AudioCapabilities: Unsupported mime audio/x-adpcm-ms
07-22 11:47:00.878  3724  3844 W AudioCapabilities: Unsupported mime audio/alac
07-22 11:47:00.879  3724  3844 W AudioCapabilities: Unsupported mime audio/alac
07-22 11:47:00.879  3724  3844 W AudioCapabilities: Unsupported mime audio/ape
07-22 11:47:00.880  3724  3844 W AudioCapabilities: Unsupported mime audio/ape
07-22 11:47:00.880  3724  3844 W AudioCapabilities: Unsupported mime audio/x-ms-wma
07-22 11:47:00.880  3724  3844 W AudioCapabilities: Unsupported mime audio/x-ms-wma
07-22 11:47:00.891  3724  3844 W AudioCapabilities: Unsupported mime audio/ffmpeg
07-22 11:47:00.892  3724  3844 W VideoCapabilities: Unsupported mime video/ffmpeg
07-22 11:47:00.903  3724  3844 W VideoCapabilities: Unrecognized profile/level 1/32 for video/mp4v-es
07-22 11:47:00.903  3724  3844 W VideoCapabilities: Unrecognized profile/level 1/32 for video/mp4v-es
07-22 11:47:00.904  3724  3844 W VideoCapabilities: Unsupported mime video/x-ms-wmv
07-22 11:47:00.905  3724  3844 W VideoCapabilities: Unsupported mime video/x-ms-wmv

[PF4Public]

Looks like fingerprinting attempt, is it not? ;)

[uazo]

Looks like fingerprinting attempt, is it not? ;)

I don't think so, that log occurs when the browser is opened.