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Add Fedora 32 instructions and use the dev packages to avoid compilin… #43

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Add Fedora 32 instructions and use the dev packages to avoid compilin… #43

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505c0d3
Add Fedora 32 instructions and use the dev packages to avoid compilin…
May 3, 2020
798adea
fix: add back in install prefix on fedora
May 7, 2020
aec426e
Add dockerfiles for debian and fedora, add workaround for lack of hea…
May 23, 2020
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14 changes: 7 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -30,25 +30,25 @@ issue #17][vcam#17].

## Build

- Install QT
- Install QT + dev packages

Ubuntu/Debian:
```
sudo apt install qtbase5-dev
sudo apt install qtbase5-dev libobs-dev
```

- Get obs-studio source code

Fedora 32:
```
git clone --recursive https://github.com/obsproject/obs-studio.git
sudo dnf install obs-studio-libs qt5-qtbase-devel
```

- Build plugins
- Build plugin:

```
git clone https://github.com/CatxFish/obs-v4l2sink.git
cd obs-v4l2sink
mkdir build && cd build
cmake -DLIBOBS_INCLUDE_DIR="../../obs-studio/libobs" -DCMAKE_INSTALL_PREFIX=/usr ..
cmake ..
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@scottlinux scottlinux May 5, 2020 •
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I had to specify the make install prefix as well like:

-DCMAKE_INSTALL_PREFIX=/usr

Otherwise the make install puts the plugin in /usr/local/lib/obs-plugins/v4l2sink.so which obs does not see on Fedora.

obs on Fedora appears to expect:

/usr/lib64/obs-plugins/v4l2sink.so

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@DaveWK DaveWK May 22, 2020

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798adea

added it back in ^^

make -j4
sudo make install
```
30 changes: 9 additions & 21 deletions external/FindLibObs.cmake
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Expand Up @@ -25,18 +25,6 @@ if(DEFINED CMAKE_BUILD_TYPE)
endif()
endif()

find_path(LIBOBS_INCLUDE_DIR
NAMES obs.h
HINTS
ENV obsPath${_lib_suffix}
ENV obsPath
${obsPath}
PATHS
/usr/include /usr/local/include /opt/local/include /sw/include
PATH_SUFFIXES
libobs
)

function(find_obs_lib base_name repo_build_path lib_name)
string(TOUPPER "${base_name}" base_name_u)

Expand Down Expand Up @@ -79,29 +67,29 @@ find_obs_lib(LIBOBS libobs obs)
if(MSVC)
find_obs_lib(W32_PTHREADS deps/w32-pthreads w32-pthreads)
endif()

set(LIBOBS_CMAKE_PATH ${LibObs_DIR}/LibObsConfig.cmake)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libobs DEFAULT_MSG LIBOBS_LIB LIBOBS_INCLUDE_DIR)
mark_as_advanced(LIBOBS_INCLUDE_DIR LIBOBS_LIB)
find_package_handle_standard_args(Libobs DEFAULT_MSG LIBOBS_LIB LIBOBS_CMAKE_PATH)
mark_as_advanced(LIBOBS_CMAKE_PATH LIBOBS_LIB)

if(LIBOBS_FOUND)
include(${LIBOBS_CMAKE_PATH})
if(MSVC)
if (NOT DEFINED W32_PTHREADS_LIB)
message(FATAL_ERROR "Could not find the w32-pthreads library" )
endif()

set(W32_PTHREADS_INCLUDE_DIR ${LIBOBS_INCLUDE_DIR}/../deps/w32-pthreads)
endif()

set(LIBOBS_INCLUDE_DIRS ${LIBOBS_INCLUDE_DIR} ${W32_PTHREADS_INCLUDE_DIR})
set(LIBOBS_INCLUDE_DIRS ${LIBOBS_INCLUDE_DIRS} ${W32_PTHREADS_INCLUDE_DIR})
set(LIBOBS_LIBRARIES ${LIBOBS_LIB} ${W32_PTHREADS_LIB})
include(${LIBOBS_INCLUDE_DIR}/../cmake/external/ObsPluginHelpers.cmake)

# allows external plugins to easily use/share common dependencies that are often included with libobs (such as FFmpeg)
if(NOT DEFINED INCLUDED_LIBOBS_CMAKE_MODULES)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${LIBOBS_INCLUDE_DIR}/../cmake/Modules/")
if(DEFINED LIBOBS_CMAKE_MODULES)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${LIBOBS_CMAKE_MODULES}/cmake/Modules/")
set(INCLUDED_LIBOBS_CMAKE_MODULES true)
endif()
else()
message(FATAL_ERROR "Could not find the libobs library" )
message(FATAL_ERROR "Could not find the libobs library ${LIBOBS_CMAKE_PATH}" )
endif()