DESTINATION_DIR ${CMAKE_CURRENT_LIST_DIR})
include(${CMAKE_CURRENT_LIST_DIR}/ffmpeg_version.cmake)
+
+# Compatibility glue code
+set(FFMPEG_libavcodec_FOUND 1)
+set(FFMPEG_libavformat_FOUND 1)
+set(FFMPEG_libavutil_FOUND 1)
+set(FFMPEG_libswscale_FOUND 1)
+set(FFMPEG_libavresample_FOUND 1)
+
+set(FFMPEG_libavcodec_VERSION ${ALIASOF_libavcodec_VERSION})
+set(FFMPEG_libavformat_VERSION ${ALIASOF_libavformat_VERSION})
+set(FFMPEG_libavutil_VERSION ${ALIASOF_libavutil_VERSION})
+set(FFMPEG_libswscale_VERSION ${ALIASOF_libswscale_VERSION})
+set(FFMPEG_libavresample_VERSION ${ALIASOF_libavresample_VERSION})
status(" DC1394 2.x:" HAVE_DC1394_2 THEN "YES (ver ${ALIASOF_libdc1394-2_VERSION})" ELSE NO)
endif(DEFINED WITH_1394)
-if(DEFINED WITH_FFMPEG)
+if(DEFINED WITH_FFMPEG OR HAVE_FFMPEG)
if(WIN32)
status(" FFMPEG:" WITH_FFMPEG THEN "YES (prebuilt binaries)" ELSE NO)
else()
status(" FFMPEG:" HAVE_FFMPEG THEN YES ELSE NO)
endif()
- status(" codec:" HAVE_FFMPEG_CODEC THEN "YES (ver ${ALIASOF_libavcodec_VERSION})" ELSE NO)
- status(" format:" HAVE_FFMPEG_FORMAT THEN "YES (ver ${ALIASOF_libavformat_VERSION})" ELSE NO)
- status(" util:" HAVE_FFMPEG_UTIL THEN "YES (ver ${ALIASOF_libavutil_VERSION})" ELSE NO)
- status(" swscale:" HAVE_FFMPEG_SWSCALE THEN "YES (ver ${ALIASOF_libswscale_VERSION})" ELSE NO)
- status(" resample:" HAVE_FFMPEG_RESAMPLE THEN "YES (ver ${ALIASOF_libavresample_VERSION})" ELSE NO)
- status(" gentoo-style:" HAVE_GENTOO_FFMPEG THEN YES ELSE NO)
-endif(DEFINED WITH_FFMPEG)
+ status(" avcodec:" FFMPEG_libavcodec_FOUND THEN "YES (ver ${FFMPEG_libavcodec_VERSION})" ELSE NO)
+ status(" avformat:" FFMPEG_libavformat_FOUND THEN "YES (ver ${FFMPEG_libavformat_VERSION})" ELSE NO)
+ status(" avutil:" FFMPEG_libavutil_FOUND THEN "YES (ver ${FFMPEG_libavutil_VERSION})" ELSE NO)
+ status(" swscale:" FFMPEG_libswscale_FOUND THEN "YES (ver ${FFMPEG_libswscale_VERSION})" ELSE NO)
+ status(" avresample:" FFMPEG_libavresample_FOUND THEN "YES (ver ${FFMPEG_libavresample_VERSION})" ELSE NO)
+endif()
if(DEFINED WITH_GSTREAMER)
status(" GStreamer:" HAVE_GSTREAMER THEN "" ELSE NO)
endif(WITH_XIMEA)
# --- FFMPEG ---
-ocv_clear_vars(HAVE_FFMPEG HAVE_FFMPEG_CODEC HAVE_FFMPEG_FORMAT HAVE_FFMPEG_UTIL HAVE_FFMPEG_SWSCALE HAVE_FFMPEG_RESAMPLE HAVE_GENTOO_FFMPEG HAVE_FFMPEG_FFMPEG)
+ocv_clear_vars(HAVE_FFMPEG)
if(WITH_FFMPEG)
if(WIN32 AND NOT ARM)
include("${OpenCV_SOURCE_DIR}/3rdparty/ffmpeg/ffmpeg.cmake")
- elseif(UNIX)
- CHECK_MODULE(libavcodec HAVE_FFMPEG_CODEC)
- CHECK_MODULE(libavformat HAVE_FFMPEG_FORMAT)
- CHECK_MODULE(libavutil HAVE_FFMPEG_UTIL)
- CHECK_MODULE(libswscale HAVE_FFMPEG_SWSCALE)
- CHECK_MODULE(libavresample HAVE_FFMPEG_RESAMPLE)
-
- CHECK_INCLUDE_FILE(libavformat/avformat.h HAVE_GENTOO_FFMPEG)
- CHECK_INCLUDE_FILE(ffmpeg/avformat.h HAVE_FFMPEG_FFMPEG)
- if(NOT HAVE_GENTOO_FFMPEG AND NOT HAVE_FFMPEG_FFMPEG)
- if((NOT CMAKE_CROSSCOMPILING AND EXISTS /usr/include/ffmpeg/libavformat/avformat.h) OR HAVE_FFMPEG_SWSCALE)
- set(HAVE_GENTOO_FFMPEG TRUE)
- endif()
+ set(HAVE_FFMPEG TRUE)
+ elseif(PKG_CONFIG_FOUND)
+ ocv_check_modules(FFMPEG libavcodec libavformat libavutil libswscale)
+ ocv_check_modules(FFMPEG_libavresample libavresample)
+ if(FFMPEG_libavresample_FOUND)
+ ocv_append_build_options(FFMPEG FFMPEG_libavresample)
endif()
- if(HAVE_FFMPEG_CODEC AND HAVE_FFMPEG_FORMAT AND HAVE_FFMPEG_UTIL AND HAVE_FFMPEG_SWSCALE)
- set(HAVE_FFMPEG TRUE)
- endif()
-
if(HAVE_FFMPEG)
- # Find the bzip2 library because it is required on some systems
- FIND_LIBRARY(BZIP2_LIBRARIES NAMES bz2 bzip2 libbz2.so.1)
- else()
- find_path(FFMPEG_INCLUDE_DIR "libavformat/avformat.h"
- PATHS /usr/local /usr /opt
- PATH_SUFFIXES include
- DOC "The path to FFMPEG headers")
- if(FFMPEG_INCLUDE_DIR)
- set(HAVE_GENTOO_FFMPEG TRUE)
- set(FFMPEG_LIB_DIR "${FFMPEG_INCLUDE_DIR}/../lib" CACHE PATH "Full path of FFMPEG library directory")
- find_library(FFMPEG_CODEC_LIB "avcodec" HINTS "${FFMPEG_LIB_DIR}")
- find_library(FFMPEG_FORMAT_LIB "avformat" HINTS "${FFMPEG_LIB_DIR}")
- find_library(FFMPEG_UTIL_LIB "avutil" HINTS "${FFMPEG_LIB_DIR}")
- find_library(FFMPEG_SWSCALE_LIB "swscale" HINTS "${FFMPEG_LIB_DIR}")
- find_library(FFMPEG_RESAMPLE_LIB "avresample" HINTS "${FFMPEG_LIB_DIR}")
- if(FFMPEG_CODEC_LIB)
- set(HAVE_FFMPEG_CODEC 1)
- endif()
- if(FFMPEG_FORMAT_LIB)
- set(HAVE_FFMPEG_FORMAT 1)
- endif()
- if(FFMPEG_UTIL_LIB)
- set(HAVE_FFMPEG_UTIL 1)
- endif()
- if(FFMPEG_SWSCALE_LIB)
- set(HAVE_FFMPEG_SWSCALE 1)
- endif()
- if(FFMPEG_CODEC_LIB AND FFMPEG_FORMAT_LIB AND
- FFMPEG_UTIL_LIB AND FFMPEG_SWSCALE_LIB)
- set(ALIASOF_libavcodec_VERSION "Unknown")
- set(ALIASOF_libavformat_VERSION "Unknown")
- set(ALIASOF_libavutil_VERSION "Unknown")
- set(ALIASOF_libswscale_VERSION "Unknown")
- set(HAVE_FFMPEG 1)
- if(FFMPEG_RESAMPLE_LIB)
- set(HAVE_FFMPEG_RESAMPLE 1)
- set(ALIASOF_libavresample_VERSION "Unknown")
- endif()
- endif()
- endif(FFMPEG_INCLUDE_DIR)
- if(HAVE_FFMPEG)
- set(VIDEOIO_LIBRARIES ${VIDEOIO_LIBRARIES} "${FFMPEG_LIB_DIR}/libavcodec.a"
- "${FFMPEG_LIB_DIR}/libavformat.a" "${FFMPEG_LIB_DIR}/libavutil.a"
- "${FFMPEG_LIB_DIR}/libswscale.a")
- if(HAVE_FFMPEG_RESAMPLE)
- set(VIDEOIO_LIBRARIES ${VIDEOIO_LIBRARIES} "${FFMPEG_LIB_DIR}/libavresample.a")
- endif()
- ocv_include_directories(${FFMPEG_INCLUDE_DIR})
- endif(HAVE_FFMPEG)
+ try_compile(__VALID_FFMPEG
+ "${OpenCV_BINARY_DIR}"
+ "${OpenCV_SOURCE_DIR}/cmake/checks/ffmpeg_test.cpp"
+ CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${FFMPEG_INCLUDE_DIRS}"
+ "-DLINK_DIRECTORIES:STRING=${FFMPEG_LIBRARY_DIRS}"
+ "-DLINK_LIBRARIES:STRING=${FFMPEG_LIBRARIES}"
+ OUTPUT_VARIABLE TRY_OUT
+ )
+ if(NOT __VALID_FFMPEG)
+ #message(FATAL_ERROR "FFMPEG: test check build log:\n${TRY_OUT}")
+ message(STATUS "WARNING: Can't build ffmpeg test code")
+ else()
+ ocv_append_build_options(VIDEOIO FFMPEG)
+ endif()
endif()
+ else()
+ message(STATUS "Can't find ffmpeg - 'pkg-config' utility is missing")
endif()
endif(WITH_FFMPEG)
unset(__value)
endmacro()
+# Usage: ocv_append_build_options(HIGHGUI FFMPEG)
+macro(ocv_append_build_options var_prefix pkg_prefix)
+ foreach(suffix INCLUDE_DIRS LIBRARIES LIBRARY_DIRS)
+ if(${pkg_prefix}_${suffix})
+ list(APPEND ${var_prefix}_${suffix} ${${pkg_prefix}_${suffix}})
+ list(REMOVE_DUPLICATES ${var_prefix}_${suffix})
+ endif()
+ endforeach()
+endmacro()
+
+# Usage is similar to CMake 'pkg_check_modules' command
+# It additionally controls HAVE_${define} and ${define}_${modname}_FOUND variables
+macro(ocv_check_modules define)
+ unset(HAVE_${define})
+ foreach(m ${ARGN})
+ if (m MATCHES "(.*[^><])(>=|=|<=)(.*)")
+ set(__modname "${CMAKE_MATCH_1}")
+ else()
+ set(__modname "${m}")
+ endif()
+ unset(${define}_${__modname}_FOUND)
+ endforeach()
+ pkg_check_modules(${define} ${ARGN})
+ if(${define}_FOUND)
+ set(HAVE_${define} 1)
+ endif()
+ foreach(m ${ARGN})
+ if (m MATCHES "(.*[^><])(>=|=|<=)(.*)")
+ set(__modname "${CMAKE_MATCH_1}")
+ else()
+ set(__modname "${m}")
+ endif()
+ if(NOT DEFINED ${define}_${__modname}_FOUND AND ${define}_FOUND)
+ set(${define}_${__modname}_FOUND 1)
+ endif()
+ endforeach()
+endmacro()
+
# Macros that checks if module have been installed.
# After it adds module to build and define
--- /dev/null
+#include <stdlib.h>
+
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavcodec/avcodec.h>
+#include <libswscale/swscale.h>
+}
+
+#define CALC_FFMPEG_VERSION(a,b,c) ( a<<16 | b<<8 | c )
+
+static void test()
+{
+ AVFormatContext* c = 0;
+ AVCodec* avcodec = 0;
+ AVFrame* frame = 0;
+
+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
+ int err = avformat_open_input(&c, "", NULL, NULL);
+#else
+ int err = av_open_input_file(&c, "", NULL, 0, NULL);
+#endif
+}
+
+int main() { test(); return 0; }
/* FFMpeg video library */
#cmakedefine HAVE_FFMPEG
-/* ffmpeg's libswscale */
-#cmakedefine HAVE_FFMPEG_SWSCALE
-
-/* ffmpeg in Gentoo */
-#cmakedefine HAVE_GENTOO_FFMPEG
-
/* Geospatial Data Abstraction Library */
#cmakedefine HAVE_GDAL
#include <libavutil/imgutils.h>
#endif
-#ifdef WIN32
- #define HAVE_FFMPEG_SWSCALE 1
- #include <libavcodec/avcodec.h>
- #include <libswscale/swscale.h>
-#else
-
-#ifndef HAVE_FFMPEG_SWSCALE
- #error "libswscale is necessary to build the newer OpenCV ffmpeg wrapper"
-#endif
-
-// if the header path is not specified explicitly, let's deduce it
-#if !defined HAVE_FFMPEG_AVCODEC_H && !defined HAVE_LIBAVCODEC_AVCODEC_H
-
-#if defined(HAVE_GENTOO_FFMPEG)
- #define HAVE_LIBAVCODEC_AVCODEC_H 1
- #if defined(HAVE_FFMPEG_SWSCALE)
- #define HAVE_LIBSWSCALE_SWSCALE_H 1
- #endif
-#elif defined HAVE_FFMPEG
- #define HAVE_FFMPEG_AVCODEC_H 1
- #if defined(HAVE_FFMPEG_SWSCALE)
- #define HAVE_FFMPEG_SWSCALE_H 1
- #endif
-#endif
-
-#endif
-
-#if defined(HAVE_FFMPEG_AVCODEC_H)
- #include <ffmpeg/avcodec.h>
-#endif
-#if defined(HAVE_FFMPEG_SWSCALE_H)
- #include <ffmpeg/swscale.h>
-#endif
-
-#if defined(HAVE_LIBAVCODEC_AVCODEC_H)
- #include <libavcodec/avcodec.h>
-#endif
-#if defined(HAVE_LIBSWSCALE_SWSCALE_H)
- #include <libswscale/swscale.h>
-#endif
-
-#endif
+#include <libavcodec/avcodec.h>
+#include <libswscale/swscale.h>
#ifdef __cplusplus
}
#include <errno.h>
#endif
-// if the header path is not specified explicitly, let's deduce it
-#if !defined HAVE_FFMPEG_AVCODEC_H && !defined HAVE_LIBAVCODEC_AVCODEC_H
-
-#if defined(HAVE_GENTOO_FFMPEG)
- #define HAVE_LIBAVFORMAT_AVFORMAT_H 1
-#elif defined HAVE_FFMPEG
- #define HAVE_FFMPEG_AVFORMAT_H 1
-#endif
-
-#if defined(HAVE_FFMPEG_AVFORMAT_H)
- #include <ffmpeg/avformat.h>
-#endif
-
-#if defined(HAVE_LIBAVFORMAT_AVFORMAT_H) || defined(WIN32)
- #include <libavformat/avformat.h>
-#endif
-
-#endif
+#include <libavformat/avformat.h>
#ifdef __cplusplus
}