diff options
| -rw-r--r-- | v4l2-apps/libv4l/ChangeLog | 1 | ||||
| -rw-r--r-- | v4l2-apps/libv4l/README | 18 |
2 files changed, 16 insertions, 3 deletions
diff --git a/v4l2-apps/libv4l/ChangeLog b/v4l2-apps/libv4l/ChangeLog index 25a7c22c9..458c146c3 100644 --- a/v4l2-apps/libv4l/ChangeLog +++ b/v4l2-apps/libv4l/ChangeLog @@ -3,6 +3,7 @@ libv4l-0.6.1 * Add more laptop models to the upside down devices table * Makefile changes to make life easier for the Debian package (Gregor Jasny) * Bugfix: fixup 320x240 output for pac7302 cameras +* README improvements / clarifications (Bifferos) libv4l-0.6.0 ------------ diff --git a/v4l2-apps/libv4l/README b/v4l2-apps/libv4l/README index 481d5b92e..811813ee2 100644 --- a/v4l2-apps/libv4l/README +++ b/v4l2-apps/libv4l/README @@ -25,13 +25,13 @@ libv4lconvert/libv4lconvert.c for the full list. For more details on the v4lconvert_ functions see libv4lconvert.h. Later on libv4lconvert was expanded to also be able to do various video -processing functions improve webcam video quality on a software basis. So +processing functions to improve webcam video quality on a software basis. So the name no longer 100% covers the functionality. The video processing is split in to 2 parts, libv4lconvert/control and libv4lconvert/processing. The control part is used to offer video controls which can be used to control the video processing functions made available by libv4lconvert/processing. -These controls are stored application wide (untill reboot) by using a +These controls are stored application wide (until reboot) by using a persistent shared memory object. libv4lconvert/processing offers the actual video processing functionality. @@ -80,6 +80,12 @@ $ export LD_PRELOAD=/usr/local/lib/libv4l/v4l1compat.so $ camorama +Prerequisites +------------- + +libv4l requires shmem file system support in the kernel (CONFIG_SHMEM). + + Installation Instructions ------------------------- @@ -88,9 +94,15 @@ Simple type the following commands from the libv4l-x.y.z directory make make install PREFIX=/usr/local -Note: make install also supports the DESTDIR=... paramter for installation +Note: make install also supports the DESTDIR=... parameter for installation into chroots. +If you require static libraries to also be built, these can be compiled +along with the dynamic equivalents by defining LINKTYPE to 'static', e.g.: + +make LINKTYPE=static +make install LINKTYPE=static + FAQ --- |