Implemented FFMpeg sound loading. Selecting sound library is controlled through the CMake file.

CMakeLists.txt

@@ -1,5 +1,9 @@
 project(OpenMW)
 
+# Sound source selection
+set(USE_AUDIERE "no")
+set(USE_FFMPEG "yes")
+
 # We probably support older versions than this.
 cmake_minimum_required(VERSION 2.6)
 
@@ -93,13 +97,31 @@ set(OENGINE_GUI
   ${LIBDIR}/openengine/gui/events.cpp
   ${LIBDIR}/openengine/gui/manager.cpp
 )
+
+# Sound setup
+if (USE_AUDIERE)
+    set(MANGLE_SOUND_OUTPUT
+        ${LIBDIR}/mangle/sound/sources/audiere_source.cpp
+        ${LIBDIR}/mangle/stream/clients/audiere_file.cpp)
+    find_package(Audiere REQUIRED)
+    set(SOUND_INPUT_LIBRARY ${AUDIERE_LIBRARY})
+    add_definitions(-DOPENMW_USE_AUDIERE)
+endif (USE_AUDIERE)
+
+if (USE_FFMPEG)
+    set(MANGLE_SOUND_OUTPUT
+        ${LIBDIR}/mangle/sound/sources/ffmpeg_source.cpp)
+    find_package(FFMPEG REQUIRED)
+    set(SOUND_INPUT_LIBRARY ${FFMPEG_LIBRARIES})
+    add_definitions(-DOPENMW_USE_FFMPEG)
+endif (USE_FFMPEG)
+
 set(OENGINE_SOUND
   # Mangle and OEngine sound files are sort of intertwined, so put
   # them together here
   ${LIBDIR}/openengine/sound/sndmanager.cpp
-  ${LIBDIR}/mangle/sound/sources/audiere_source.cpp
   ${LIBDIR}/mangle/sound/outputs/openal_out.cpp
-  ${LIBDIR}/mangle/stream/clients/audiere_file.cpp
+  ${MANGLE_SOUND_OUTPUT}
 )
 set(OENGINE_ALL ${OENGINE_OGRE} ${OENGINE_GUI} ${OENGINE_SOUND})
 source_group(libs\\openengine FILES ${OENGINE_ALL})
@@ -122,7 +144,6 @@ find_package(Boost REQUIRED COMPONENTS system filesystem program_options thread)
 find_package(OIS REQUIRED)
 find_package(Iconv REQUIRED)
 find_package(OpenAL REQUIRED)
-find_package(Audiere REQUIRED)
 include_directories("."
     ${OGRE_INCLUDE_DIR} ${OGRE_INCLUDE_DIR}/Ogre
     ${OIS_INCLUDE_DIR} ${Boost_INCLUDE_DIR}

apps/openmw/CMakeLists.txt

@@ -184,7 +184,7 @@ target_link_libraries(openmw
   ${OIS_LIBRARIES}
   ${Boost_LIBRARIES}
   ${OPENAL_LIBRARY}
-  ${AUDIERE_LIBRARY}
+  ${SOUND_INPUT_LIBRARY}
   ${ICONV_LIBRARIES}
   caelum
   MyGUIEngine

apps/openmw/mwsound/soundmanager.cpp

@@ -5,17 +5,18 @@
 #include <mangle/sound/clients/ogre_listener_mover.hpp>
 #include <mangle/sound/clients/ogre_output_updater.hpp>
 
-/* Set up the sound manager to use Audiere for input (reading sound
-   files) and OpenAL for output.
+/* Set up the sound manager to use Audiere of FFMPEG for input. The
+   OPENMW_USE_x macros are set in CMakeLists.txt.
  */
+#ifdef OPENMW_USE_AUDIERE
 #include <mangle/sound/filters/openal_audiere.hpp>
 #define SOUND_FACTORY OpenAL_Audiere_Factory
-/*
-   We could allow several options for libraries via external #defines
-   if we like, controlled through CMake. The only things that need to
-   change is the include and #define above, and of course the linker
-   parameters.
- */
+#endif
+
+#ifdef OPENMW_USE_FFMPEG
+#include <mangle/sound/filters/openal_ffmpeg.hpp>
+#define SOUND_FACTORY OpenAL_FFMpeg_Factory
+#endif
 
 using namespace Mangle::Sound;
 typedef OEngine::Sound::SoundManager OEManager;

apps/soundtest/CMakeLists.txt

@@ -7,5 +7,5 @@ add_executable(sound_test main.cpp ${OENGINE_SOUND})
 
 target_link_libraries(sound_test
   ${OPENAL_LIBRARY}
-  ${AUDIERE_LIBRARY}
+  ${SOUND_INPUT_LIBRARY}
 )

apps/soundtest/main.cpp

@@ -1,7 +1,6 @@
 #include <iostream>
 
 #include <mangle/stream/servers/file_stream.hpp>
-#include <mangle/sound/filters/openal_audiere.hpp>
 #include <mangle/sound/sources/stream_source.hpp>
 #include <mangle/stream/filters/buffer_stream.hpp>
 
@@ -9,14 +8,23 @@ using namespace std;
 using namespace Mangle::Stream;
 using namespace Mangle::Sound;
 
+#ifdef OPENMW_USE_AUDIERE
+#include <mangle/sound/filters/openal_audiere.hpp>
 AudiereLoader loader;
+#endif
+
+#ifdef OPENMW_USE_FFMPEG
+#include <mangle/sound/filters/openal_ffmpeg.hpp>
+FFMpegLoader loader;
+#endif
+
 OpenAL_Factory openal;
 
 void play(const char* name)
 {
   try
     {
-      cout << "Opening " << name << " via Audiere\n";
+      cout << "Opening " << name << "\n";
       SampleSourcePtr samples = loader.load(name);
       cout << "Loading entire file into memory\n";
       StreamPtr buf(new BufferStream(samples));

cmake/FindFFMPEG.cmake

@@ -0,0 +1,90 @@
+# Find the FFmpeg library
+#
+# Sets
+#   FFMPEG_FOUND.  If false, don't try to use ffmpeg
+#   FFMPEG_INCLUDE_DIR
+#   FFMPEG_LIBRARIES
+#
+# Modified by Nicolay Korslund for OpenMW
+
+SET( FFMPEG_FOUND "NO" )
+
+FIND_PATH( FFMPEG_avcodec_INCLUDE_DIR avcodec.h
+  HINTS
+  PATHS
+  /usr/include
+  /usr/local/include
+  /usr/include/ffmpeg
+  /usr/local/include/ffmpeg
+  /usr/include/ffmpeg/libavcodec
+  /usr/local/include/ffmpeg/libavcodec
+  /usr/include/libavcodec
+  /usr/local/include/libavcodec
+)
+
+FIND_PATH( FFMPEG_avformat_INCLUDE_DIR avformat.h
+  HINTS
+  PATHS
+  /usr/include
+  /usr/local/include
+  /usr/include/ffmpeg
+  /usr/local/include/ffmpeg
+  /usr/include/ffmpeg/libavformat
+  /usr/local/include/ffmpeg/libavformat
+  /usr/include/libavformat
+  /usr/local/include/libavformat
+)
+
+set(FFMPEG_INCLUDE_DIR ${FFMPEG_avcodec_INCLUDE_DIR} ${FFMPEG_avformat_INCLUDE_DIR})
+
+IF( FFMPEG_INCLUDE_DIR )
+
+FIND_PROGRAM( FFMPEG_CONFIG ffmpeg-config
+  /usr/bin
+  /usr/local/bin
+  ${HOME}/bin
+)
+
+IF( FFMPEG_CONFIG )
+  EXEC_PROGRAM( ${FFMPEG_CONFIG} ARGS "--libs avformat" OUTPUT_VARIABLE FFMPEG_LIBS )
+  SET( FFMPEG_FOUND "YES" )
+  SET( FFMPEG_LIBRARIES "${FFMPEG_LIBS}" )
+  
+ELSE( FFMPEG_CONFIG )
+
+  FIND_LIBRARY( FFMPEG_avcodec_LIBRARY avcodec
+    /usr/lib
+    /usr/local/lib
+    /usr/lib64
+    /usr/local/lib64
+  )
+
+  FIND_LIBRARY( FFMPEG_avformat_LIBRARY avformat
+    /usr/lib
+    /usr/local/lib
+    /usr/lib64
+    /usr/local/lib64
+  )
+  
+  FIND_LIBRARY( FFMPEG_avutil_LIBRARY avutil
+    /usr/lib
+    /usr/local/lib
+    /usr/lib64
+    /usr/local/lib64
+  )
+  
+  IF( FFMPEG_avcodec_LIBRARY )
+  IF( FFMPEG_avformat_LIBRARY )
+
+    SET( FFMPEG_FOUND "YES" )
+    SET( FFMPEG_LIBRARIES ${FFMPEG_avformat_LIBRARY} ${FFMPEG_avcodec_LIBRARY} )
+    IF( FFMPEG_avutil_LIBRARY )
+       SET( FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${FFMPEG_avutil_LIBRARY} )
+    ENDIF( FFMPEG_avutil_LIBRARY )
+
+  ENDIF( FFMPEG_avformat_LIBRARY )
+  ENDIF( FFMPEG_avcodec_LIBRARY )
+
+ENDIF( FFMPEG_CONFIG )
+
+ENDIF( FFMPEG_INCLUDE_DIR )

libs/mangle

@@ -1 +1 @@
-Subproject commit f95ea1677cc5c52790e1342aa6d3d6bba950b8be
+Subproject commit 160e8655d2503ad93992200d6d131186ede22aa3