From 7bd5a94ca09d147298693d2310ea185f7b70f65a Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Sat, 18 Oct 2014 16:11:22 +0000
Subject: [PATCH] image: add the skeleton for a Movie class.

---
 configure.ac                | 13 +++++++
 src/Makefile.am             |  7 ++--
 src/image/movie.cpp         | 69 +++++++++++++++++++++++++++++++++++++
 src/lol/image/all.h         |  1 +
 src/lol/image/movie.h       | 42 ++++++++++++++++++++++
 src/lolcore.vcxproj         |  2 ++
 src/lolcore.vcxproj.filters |  6 ++++
 7 files changed, 137 insertions(+), 3 deletions(-)
 create mode 100644 src/image/movie.cpp
 create mode 100644 src/lol/image/movie.h

diff --git a/configure.ac b/configure.ac
index f9472dc3..28ab58bf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -443,6 +443,19 @@ fi
 AM_CONDITIONAL(USE_IMLIB2, test "${ac_cv_my_have_imlib2}" = "yes")
 
 
+# Use libavcodec? (required for movie encoding)
+ac_cv_my_have_ffmpeg=yes
+PKG_CHECK_MODULES([LIBAVCODEC], [libavcodec], [:], [ac_cv_my_have_ffmpeg=no])
+PKG_CHECK_MODULES([LIBAVFORMAT], [libavformat], [:], [ac_cv_my_have_ffmpeg=no])
+PKG_CHECK_MODULES([LIBSWSCALE], [libswscale], [:], [ac_cv_my_have_ffmpeg=no])
+if test "${ac_cv_my_have_ffmpeg}" != "no"; then
+  AC_DEFINE(USE_FFMPEG, 1, Define to 1 to use FFmpeg)
+  LOL_CFLAGS="${LOL_CFLAGS} ${LIBAVFORMAT_CFLAGS} ${LIBAVCODEC_CFLAGS} ${CFLAGSWSCALE_LIBS}"
+  LOL_LIBS="${LOL_LIBS} ${LIBAVFORMAT_LIBS} ${LIBAVCODEC_LIBS} ${LIBSWSCALE_LIBS}"
+fi
+AM_CONDITIONAL(USE_FFMPEG, test "${ac_cv_my_have_ffmpeg}" != "no")
+
+
 dnl Use GTK+? (required for the deushax editor)
 ac_cv_my_have_gtkgl="no"
 PKG_CHECK_MODULES(GTK, gtk+-2.0, [ac_cv_my_have_gtkgl="yes"], [:])
diff --git a/src/Makefile.am b/src/Makefile.am
index 4c64511a..d74f27b3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,8 +37,8 @@ liblolcore_headers = \
     \
     lol/base/all.h \
     lol/base/avl_tree.h lol/base/features.h lol/base/tuple.h lol/base/types.h \
-    lol/base/array.h lol/base/assert.h lol/base/string.h lol/base/hash.h lol/base/map.h \
-    lol/base/enum.h lol/base/log.h \
+    lol/base/array.h lol/base/assert.h lol/base/string.h lol/base/hash.h \
+    lol/base/map.h lol/base/enum.h lol/base/log.h \
     \
     lol/math/all.h \
     lol/math/functions.h lol/math/vector.h lol/math/half.h lol/math/real.h \
@@ -53,7 +53,7 @@ liblolcore_headers = \
     lol/sys/init.h lol/sys/file.h lol/sys/thread.h lol/sys/timer.h \
     \
     lol/image/all.h \
-    lol/image/pixel.h lol/image/color.h lol/image/image.h \
+    lol/image/pixel.h lol/image/color.h lol/image/image.h lol/image/movie.h \
     \
     lol/gpu/all.h \
     lol/gpu/shader.h lol/gpu/indexbuffer.h lol/gpu/vertexbuffer.h \
@@ -122,6 +122,7 @@ liblolcore_sources = \
     image/dither/ostromoukhov.cpp image/dither/ordered.cpp \
     image/filter/convolution.cpp image/filter/color.cpp \
     image/filter/dilate.cpp image/filter/median.cpp image/filter/yuv.cpp \
+    image/movie.cpp \
     \
     loldebug.h \
     debug/fps.cpp debug/fps.h debug/lines.cpp \
diff --git a/src/image/movie.cpp b/src/image/movie.cpp
new file mode 100644
index 00000000..2f8f2658
--- /dev/null
+++ b/src/image/movie.cpp
@@ -0,0 +1,69 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2014 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://www.wtfpl.net/ for more details.
+//
+
+#include <lol/engine-internal.h>
+
+#if USE_FFMPEG
+extern "C"
+{
+#   include <libavformat/avformat.h>
+}
+#endif
+
+namespace lol
+{
+
+#if USE_FFMPEG
+static bool g_ready = false;
+#endif
+
+class MovieData
+{
+#if USE_FFMPEG
+
+#endif
+
+    friend class Movie;
+};
+
+/*
+ * Public Movie class
+ */
+
+Movie::Movie(String const &name, ivec2 size, float fps)
+  : m_data(new MovieData())
+{
+#if USE_FFMPEG
+    if (!g_ready)
+    {
+        g_ready = true;
+        av_register_all();
+    }
+#endif
+}
+
+Movie::~Movie()
+{
+#if USE_FFMPEG
+
+#endif
+
+    delete m_data;
+}
+
+void Movie::Feed(Image const &image)
+{
+#if USE_FFMPEG
+
+#endif
+}
+
+} /* namespace lol */
+
diff --git a/src/lol/image/all.h b/src/lol/image/all.h
index b99567be..c0ea7071 100644
--- a/src/lol/image/all.h
+++ b/src/lol/image/all.h
@@ -13,4 +13,5 @@
 #include <lol/image/pixel.h>
 #include <lol/image/color.h>
 #include <lol/image/image.h>
+#include <lol/image/movie.h>
 
diff --git a/src/lol/image/movie.h b/src/lol/image/movie.h
new file mode 100644
index 00000000..957ca408
--- /dev/null
+++ b/src/lol/image/movie.h
@@ -0,0 +1,42 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2014 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://www.wtfpl.net/ for more details.
+//
+
+#pragma once
+
+//
+// The Movie class
+// ---------------
+//
+
+#include <lol/image/movie.h>
+
+namespace lol
+{
+
+class Movie
+{
+public:
+    Movie(String const &name, ivec2 size, float fps);
+
+    /* TODO: Rule of three */
+#if 0
+    Movie(Movie const &other);
+    Movie & operator =(Movie other);
+#endif
+    ~Movie();
+
+    void Feed(Image const &image);
+
+private:
+    class MovieData *m_data;
+};
+
+} /* namespace lol */
+
diff --git a/src/lolcore.vcxproj b/src/lolcore.vcxproj
index b1263986..f6d9975e 100644
--- a/src/lolcore.vcxproj
+++ b/src/lolcore.vcxproj
@@ -164,6 +164,7 @@
     <ClCompile Include="image\combine.cpp" />
     <ClCompile Include="image\image.cpp" />
     <ClCompile Include="image\kernel.cpp" />
+    <ClCompile Include="image\movie.cpp" />
     <ClCompile Include="image\noise.cpp" />
     <ClCompile Include="image\pixel.cpp" />
     <ClCompile Include="image\resample.cpp" />
@@ -320,6 +321,7 @@
     <ClInclude Include="lol\image\all.h" />
     <ClInclude Include="lol\image\color.h" />
     <ClInclude Include="lol\image\image.h" />
+    <ClInclude Include="lol\image\movie.h" />
     <ClInclude Include="lol\image\pixel.h" />
     <ClInclude Include="lol\math\all.h" />
     <ClInclude Include="lol\math\array2d.h" />
diff --git a/src/lolcore.vcxproj.filters b/src/lolcore.vcxproj.filters
index b56b56e5..1be7fbb9 100644
--- a/src/lolcore.vcxproj.filters
+++ b/src/lolcore.vcxproj.filters
@@ -105,6 +105,9 @@
     <ClCompile Include="debug\fps.cpp">
       <Filter>debug</Filter>
     </ClCompile>
+    <ClCompile Include="image\movie.cpp">
+      <Filter>image</Filter>
+    </ClCompile>
     <ClCompile Include="debug\record.cpp">
       <Filter>debug</Filter>
     </ClCompile>
@@ -735,6 +738,9 @@
     <ClInclude Include="lol\image\pixel.h">
       <Filter>lol\image</Filter>
     </ClInclude>
+    <ClInclude Include="lol\image\movie.h">
+      <Filter>lol\image</Filter>
+    </ClInclude>
     <ClInclude Include="input\keys.h">
       <Filter>input</Filter>
     </ClInclude>