blob: ba5e981f45c25ec2246b4c78d49e8f590bdce852 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
include(FindPkgConfig OPTIONAL)
macro(_internal_message msg)
if(NOT ${_is_quiet})
message("${msg}")
endif()
endmacro()
macro(check_lib var pc lib)
set(_is_required 0)
set(_is_quiet 0)
set(_arg_list ${ARGN})
foreach(_arg ${ARGN})
if(_arg STREQUAL "REQUIRED")
list(REMOVE_ITEM _arg_list "REQUIRED")
set(_is_required 1)
endif()
if(_arg STREQUAL "QUIET")
list(REMOVE_ITEM _arg_list "QUIET")
set(_is_quiet 1)
endif()
endforeach()
if(PKG_CONFIG_FOUND AND NOT ${var}_FOUND)
pkg_search_module(${var} QUIET ${pc})
endif()
if(${var}_FOUND)
include_directories(${${var}_INCLUDE_DIRS})
# Make sure include directories for headers found using find_path below
# are re-added when reconfiguring
include_directories(${${var}_INCLUDE})
_internal_message("${lib} found")
else()
find_library(${var} ${lib})
if(_arg_list)
find_path(${var}_INCLUDE ${_arg_list})
else()
set(${var}_INCLUDE FALSE)
endif()
if(${var} AND ${var}_INCLUDE)
include_directories(${${var}_INCLUDE})
_internal_message("${lib} found")
set(${var}_FOUND 1 CACHE INTERNAL "")
else()
if(_is_required)
message(FATAL_ERROR "${lib} is required but not found")
else()
_internal_message("${lib} not found")
endif()
endif()
endif()
endmacro()
macro(check_libav)
if(PKG_CONFIG_FOUND)
pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
libswscale>=2.1.1 libavutil>=52.3.0)
else()
# Attempt to find it through static means
set(LIBAV_LDFLAGS avformat avcodec swscale avutil)
set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS})
CHECK_CXX_SOURCE_COMPILES(
"extern \"C\" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/mathematics.h>
#include <libswscale/swscale.h>
}
int main(int argc, char **argv)
{
av_register_all();
return 0;
}"
LIBAV_FOUND)
unset(CMAKE_REQUIRED_LIBRARIES)
endif()
if(LIBAV_FOUND)
message("libav/ffmpeg found, enabling AVI frame dumps")
add_definitions(-DHAVE_LIBAV)
include_directories(${LIBAV_INCLUDE_DIRS})
else()
message("libav/ffmpeg not found, disabling AVI frame dumps")
endif()
endmacro()
|
