README.md: mention requirements of each test/demo

This commit is contained in:
YAMAMOTO Takashi 2021-03-22 14:43:35 +09:00
parent 7e7ab596e4
commit f10e7dc39a

View file

@ -38,12 +38,16 @@ video stream is displayed on screen as it's received, and any QR codes
recognised are highlighted in the image, with the decoded information both recognised are highlighted in the image, with the decoded information both
displayed on the image and printed on stdout. displayed on the image and printed on stdout.
This requires SDL and V4L2.
### quirc-scanner ### quirc-scanner
This program turns your camera into a barcode scanner. It's almost the same as This program turns your camera into a barcode scanner. It's almost the same as
the `demo` application, but it doesn't display the video stream, and thus the `demo` application, but it doesn't display the video stream, and thus
doesn't require a graphical display. doesn't require a graphical display.
This requires V4L2.
### qrtest ### qrtest
This test is used to evaluate the performance of library. Given a directory This test is used to evaluate the performance of library. Given a directory
@ -57,6 +61,8 @@ This test is used for debugging. Given a single JPEG image, it will display a
diagram showing the internal state of the decoder as well as printing diagram showing the internal state of the decoder as well as printing
additional information on stdout. additional information on stdout.
This requires SDL.
Installation Installation
------------ ------------
To build the library and associated demos/tests, type `make`. If you need to To build the library and associated demos/tests, type `make`. If you need to