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Questions tagged [hdcp]

High-bandwidth Digital Content Protection (HDCP; commonly, though incorrectly, referred to as High-Definition Copy(right) Protection) is a form of digital copy protection developed by Intel Corporation to prevent copying of digital audio and video content as it travels across connections.

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Bypassing HDCP protection

I am a Linux user and was unhappy to discover that HDCP protection on websites such as vhx.tv is preventing me from viewing the content in perfectly legitimate contexts because all Linux browsers lack HDCP support. Since HDCP was "broken" years ago,…
Lurzim Sabahudin
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How to store HDCP encryption key on a PC?

I am receiving HDCP encrypted H264 content over TCP/IP to PC from an encoder. I need to decrypt and pass the buffer to GPU for decoding and HDMI(HDCP encrypted) output. I am planning to do the complete processing inside TEE. Where can I store HDCP…
msa01
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how do devices identify the HDCP compliant version of the monitor?

I wonder how the hdcp compliant devices identify the version of the HDCP like 1.4 or 2.2. Is it during the key share or after the authentication process.
Dilip Kumar
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HTML5 Video DRM - detect HDCP (output protection) then downgrade to SD content?

I'm trying to determine what the best practices are for downgrading to SD content when a HDCP policy prevents HD content from playing. What's best way to detect for HDCP capabilities through web browser playback? What are the appropriate steps for…
pjdicke
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Does ExoPlayer support HDCP (and how)?

I've got a working Exoplayer implementation for my Android app, and I need to know if Exoplayer supports playing DASH videos in HDCP (and how exactly does this work). The demo app has Samples which have "HDCP capabilities" but I couldn't find…
Earl Balmes
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Is it possible to decode and analyze HDMI in on Android devices?

This has been discussed before here. Since then the HDCP master key has been leaked. Is it still nearly impossible to read HDMI input to opencv? An example device with HDMI input is the Geniatech ATV1610. This looks a lot like the device that…
Alex Smith
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How to get hdmi input/output of mx android box?

I'm using the tv remote to command up,down,left and right,I want the tv to communicate in the MX android box using hdmi. Anyone knows how to do it, or any link that could help?
joy
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Playing copy-protected video content in Java (e.g. via HDCP)

Is it possible to play a video stream from Java in such a way that it cannot be captured during playback (preferably not even single screenshots)? Would HDCP allow for such a restriction? If so, is HDCP somehow accessible via Java?
Markus A.
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Is it possible to get informations about devices in the HDCP chain?

I would like to protect my windows software from unwanted devices (splitters, capture/grabbers devices) in HDCP chain, allowing only whitelisted devices. Is it possible? I couldn't find anything in the windows api documentation.
RenegadeFH
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How could I support HDCP2.2 in Android miracast?

I want to support miracast with hdcp2.2 and using mediaplayer, how could I support hdcp2.2? Should I apply hdcp2.2 to MediaDrm plugin? I see widevine hdcp test video in exoplayer test cases, but now I don't want to support widevie. Is it same thing…
misaki
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Downloading DRM protected media

I recently bought Amazon Prime and wanted to download a movie. After downloading a media file it is all black. It looks like it's encrypted with some key, which the browser has. My question is: Can i just compile the browser myself after adding some…
Humberd
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Compute screen delay through HDMI

When playing a video file on a computer, HD television (LED, Plasma or whatever...), there is a delay between the displayed video and the audio out of the computer. I heard that blueray player can extract this information from the HDMI connector to…
Martin Delille
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Is there any way to ensure my content from raspberry Pi zero is displaying on the TV screen

I have my raspberry Pi zero connected to a tv screen using hdmi for showing some content. How to know when the TV is in off condition and when someone changes the video source. Is there any way to ensure that my content is displaying on the TV. Is…
Arjun N
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How to crypt patches on screen

I am wondering (out of curiosity) how to encrypt a chunk of pixels (e.g. a captcha) in a server application, such that a client cannot use any kind of pattern recognition (neural networks etc.) to decrypt the pixels but will see the correct pixels…
avitase
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Disable HDCP requirement on Chromecast

We recently purchased a Chromecast to cast to our old (but very good) computer monitor as a substitute TV. Unfortunately, the monitor doesn't support HDCP, so the Chromecast OS refuses to display anything. Is there anything we can do in software (I…
PythonNut
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