alac-decoder (#2176)

5 files changed, 287 insertions, 0 deletions

diff --git a/ports/alac-decoder/CMakeLists.txt b/ports/alac-decoder/CMakeLists.txt
new file mode 100644
index 000000000..cafd05b18
--- /dev/null
+++ b/ports/alac-decoder/CMakeLists.txt
@@ -0,0 +1,50 @@
+cmake_minimum_required (VERSION 3.9)
+project (alac_decoder)
+
+set(HEADERS
+  decomp.h
+  demux.h
+  stream.h
+  wavwriter.h
+)
+
+set (SRCS
+  decomp.c
+  alac.c
+  demux.c
+  stream.c
+  wavwriter.c
+)
+
+if(MSVC)
+  add_compile_options(/W4 -D_CRT_SECURE_NO_WARNINGS -DTARGET_OS_WIN32)
+endif()
+
+if(BUILD_SHARED_LIBS)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+include_directories(.)
+
+add_library(libalac_decoder ${SRCS})
+
+add_executable(alac_decoder main.c)
+target_link_libraries(alac_decoder libalac_decoder)
+
+install(
+  TARGETS libalac_decoder
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+
+if(NOT DISABLE_INSTALL_TOOLS)
+  install (
+    TARGETS alac_decoder
+    RUNTIME DESTINATION tools/alac-decoder
+  )
+endif()
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES ${HEADERS} DESTINATION include/alac_decoder)
+endif()
diff --git a/ports/alac-decoder/CONTROL b/ports/alac-decoder/CONTROL
new file mode 100644
index 000000000..b2300174b
--- /dev/null
+++ b/ports/alac-decoder/CONTROL
@@ -0,0 +1,3 @@
+Source: alac-decoder
+Version: 0.2
+Description:  ALAC C implementation of a decoder, written from reverse engineering the file format
diff --git a/ports/alac-decoder/decomp.c b/ports/alac-decoder/decomp.c
new file mode 100644
index 000000000..a76953325
--- /dev/null
+++ b/ports/alac-decoder/decomp.c
@@ -0,0 +1,11 @@
+#include "decomp.h"
+#include <stdint.h>
+
+int set_endian()
+{
+    uint32_t integer = 0x000000aa;
+    unsigned char *p = (unsigned char*)&integer;
+
+    if (p[0] == 0xaa) return  0;
+    else return  1;
+}
diff --git a/ports/alac-decoder/portfile.cmake b/ports/alac-decoder/portfile.cmake
new file mode 100644
index 000000000..732ed2631
--- /dev/null
+++ b/ports/alac-decoder/portfile.cmake
@@ -0,0 +1,30 @@
+include(vcpkg_common_functions)
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/alac_decoder)
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://distfiles.macports.org/alac_decoder/alac_decoder-0.2.0.tgz"
+    FILENAME "alac_decoder-0.2.0.tgz"
+    SHA512 4b37d4fe37681bfccaa4a27fbaf11eb2a1fba5f14e77d219a6d9814ff44d1168534d05eb19443dd2fd11e6fcdf4da3a22e3f3c79314cb7a6767c152351b13e29
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/decomp.c DESTINATION ${SOURCE_PATH})
+
+
+vcpkg_apply_patches(
+    SOURCE_PATH ${SOURCE_PATH}
+    PATCHES
+        ${CMAKE_CURRENT_LIST_DIR}/remove_stdint_headers.patch
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS_DEBUG -DDISABLE_INSTALL_HEADERS=ON -DDISABLE_INSTALL_TOOLS=ON
+)
+
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/alac-decoder)
+
+file(INSTALL ${SOURCE_PATH}/README DESTINATION ${CURRENT_PACKAGES_DIR}/share/alac-decoder RENAME copyright)
diff --git a/ports/alac-decoder/remove_stdint_headers.patch b/ports/alac-decoder/remove_stdint_headers.patch
new file mode 100644
index 000000000..834b808cc
--- /dev/null
+++ b/ports/alac-decoder/remove_stdint_headers.patch
@@ -0,0 +1,193 @@
+diff --git a/alac.c b/alac.c
+index 469000d..c6fe479 100644
+--- a/alac.c
++++ b/alac.c
+@@ -33,11 +33,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
+ 
+ #include "decomp.h"
+ 
+@@ -54,7 +50,7 @@
+ struct {signed int x:24;} se_struct_24;
+ #define SignExtend24(val) (se_struct_24.x = val)
+ 
+-extern int host_bigendian;
++#define host_bigendian  set_endian()
+ 
+ struct alac_file
+ {
+diff --git a/decomp.h b/decomp.h
+index 23dbc52..679a320 100644
+--- a/decomp.h
++++ b/decomp.h
+@@ -8,6 +8,7 @@ void decode_frame(alac_file *alac,
+                   unsigned char *inbuffer,
+                   void *outbuffer, int *outputsize);
+ void alac_set_info(alac_file *alac, char *inputbuffer);
++int set_endian();
+ 
+ #endif /* __ALAC__DECOMP_H */
+ 
+diff --git a/demux.c b/demux.c
+index ae77a9d..9e858a9 100644
+--- a/demux.c
++++ b/demux.c
+@@ -33,11 +33,7 @@
+ #include <string.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
+ 
+ #include "stream.h"
+ #include "demux.h"
+diff --git a/demux.h b/demux.h
+index 8447bf8..8874ba4 100644
+--- a/demux.h
++++ b/demux.h
+@@ -1,11 +1,8 @@
+ #ifndef DEMUX_H
+ #define DEMUX_H
+ 
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++
++#include <stdint.h>
+ 
+ #include "stream.h"
+ 
+diff --git a/main.c b/main.c
+index 7449ca1..dd58699 100644
+--- a/main.c
++++ b/main.c
+@@ -37,11 +37,7 @@
+ #include <stdlib.h>
+ #include <errno.h>
+ #include <string.h>
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
+ 
+ #include "demux.h"
+ #include "decomp.h"
+@@ -267,19 +263,7 @@ static void setup_environment(int argc, char **argv)
+     }
+ }
+ 
+-/* this could quite easily be done at compile time,
+- * however I don't want to have to bother with all the
+- * various possible #define's for endianness, worrying about
+- * different compilers etc. and I'm too lazy to use autoconf.
+- */
+-void set_endian()
+-{
+-    uint32_t integer = 0x000000aa;
+-    unsigned char *p = (unsigned char*)&integer;
+ 
+-    if (p[0] == 0xaa) host_bigendian = 0;
+-    else host_bigendian = 1;
+-}
+ 
+ int main(int argc, char **argv)
+ {
+@@ -288,7 +272,7 @@ int main(int argc, char **argv)
+ 
+     memset(&demux_res, 0, sizeof(demux_res));
+ 
+-    set_endian();
++    host_bigendian = set_endian();
+ 
+     setup_environment(argc, argv);
+ 
+diff --git a/stream.c b/stream.c
+index 565db54..56727a0 100644
+--- a/stream.c
++++ b/stream.c
+@@ -33,13 +33,10 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <errno.h>
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
+ 
+ #include "stream.h"
++#include "decomp.h"
+ 
+ #define _Swap32(v) do { \
+                    v = (((v) & 0x000000FF) << 0x18) | \
+@@ -51,7 +48,7 @@
+                    v = (((v) & 0x00FF) << 0x08) | \
+                        (((v) & 0xFF00) >> 0x08); } while (0)
+ 
+-extern int host_bigendian;
++#define host_bigendian set_endian()
+ 
+ struct stream_tTAG {
+     FILE *f;
+diff --git a/stream.h b/stream.h
+index 18d6aa0..ff6325e 100644
+--- a/stream.h
++++ b/stream.h
+@@ -3,11 +3,8 @@
+ 
+ /* stream.h */
+ 
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
++
+ 
+ typedef struct stream_tTAG stream_t;
+ 
+diff --git a/wavwriter.c b/wavwriter.c
+index fd19502..ce941c7 100644
+--- a/wavwriter.c
++++ b/wavwriter.c
+@@ -32,11 +32,8 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
+-#ifdef _WIN32
+-	#include "stdint_win.h"
+-#else
+-	#include <stdint.h>
+-#endif
++#include <stdint.h>
++
+ 
+ #ifndef MAKEFOURCC
+ #define MAKEFOURCC(ch0, ch1, ch2, ch3) ( \
+@@ -56,7 +53,7 @@
+                    v = (((v) & 0x00FF) << 0x08) | \
+                        (((v) & 0xFF00) >> 0x08); } while (0)
+ 
+-extern int host_bigendian;
++#define host_bigendian set_endian()
+ 
+ static void write_uint32(FILE *f, uint32_t v, int bigendian)
+ {