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
|
if(FFMPEG_INCLUDE_DIR)
if(NOT DEFINED VTK_FFMPEG_HAS_OLD_HEADER)
if(EXISTS ${FFMPEG_INCLUDE_DIR}/ffmpeg)
set(VTK_FFMPEG_HAS_OLD_HEADER "TRUE" CACHE INTERNAL
"Is the FFMPEG include in the old location")
else()
set(VTK_FFMPEG_HAS_OLD_HEADER "FALSE" CACHE INTERNAL
"Is the FFMPEG include in the old location")
endif()
if(VTK_FFMPEG_HAS_OLD_HEADER)
message(STATUS "Checking if FFMPEG uses old style header files - yes")
else()
message(STATUS "Checking if FFMPEG uses old style header files - no")
endif()
endif()
if(VTK_FFMPEG_HAS_OLD_HEADER)
set(FFMEG_CODEC_HEADER_PATH "ffmpeg")
set(FFMEG_FORMAT_HEADER_PATH "ffmpeg")
else()
set(FFMEG_CODEC_HEADER_PATH "libavcodec")
set(FFMEG_FORMAT_HEADER_PATH "libavformat")
endif()
include(CheckCSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES ${FFMPEG_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${FFMPEG_avformat_LIBRARY}
${FFMPEG_avutil_LIBRARY} ${FFMPEG_avcodec_LIBRARY})
if(NOT DEFINED VTK_FFMPEG_HAS_IMG_CONVERT AND FFMPEG_avcodec_LIBRARY)
set(_source "
#include <${FFMEG_CODEC_HEADER_PATH}/avcodec.h>
int main()
{
img_convert(0, AV_PIX_FMT_RGB24,
0, AV_PIX_FMT_RGB24,
0, 0);
return 0;
}\n")
check_c_source_compiles("${_source}" VTK_FFMPEG_HAS_IMG_CONVERT)
endif()
if(NOT DEFINED VTK_FFMPEG_NEW_ALLOC AND FFMPEG_avformat_LIBRARY)
set(_source "
#include <${FFMEG_FORMAT_HEADER_PATH}/avformat.h>
int main()
{
avformat_alloc_context();
return 0;
}\n")
check_c_source_compiles("${_source}" VTK_FFMPEG_NEW_ALLOC)
endif()
if(NOT DEFINED VTK_FFMPEG_AVCODECID AND FFMPEG_avformat_LIBRARY)
set(_source "
#include <${FFMEG_FORMAT_HEADER_PATH}/avformat.h>
int main()
{
enum AVCodecID codec;
return 0;
}\n")
check_c_source_compiles("${_source}" VTK_FFMPEG_AVCODECID)
endif()
endif()
|
