--disable-vis disable VIS optimizations
--disable-yasm disable use of yasm assembler
--enable-pic build position-independent code
+ --malloc-prefix=PFX prefix malloc and related names with PFX
Developer options (useful when working on FFmpeg itself):
--disable-debug disable debugging symbols
host_os
ld
logfile
+ malloc_prefix
nm
source_path
sysinclude
check_func getrusage
check_func inet_aton $network_extralibs
check_func isatty
-check_func memalign
+check_func ${malloc_prefix}memalign && enable memalign
check_func mkstemp
-check_func posix_memalign
+check_func ${malloc_prefix}posix_memalign && enable posix_memalign
check_func_headers io.h setmode
check_func_headers lzo/lzo1x.h lzo1x_999_compress
check_func_headers windows.h GetProcessTimes
#define EXTERN_ASM ${extern_prefix}
EOF
+test -n "$malloc_prefix" &&
+ echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
+
if enabled small || disabled optimizations; then
echo "#define av_always_inline" >> $TMPH
fi
#include <malloc.h>
#endif
+#include "avutil.h"
#include "mem.h"
/* here we can use OS-dependent allocation functions */
#undef malloc
#undef realloc
+#ifdef MALLOC_PREFIX
+
+#define malloc AV_JOIN(MALLOC_PREFIX, malloc)
+#define memalign AV_JOIN(MALLOC_PREFIX, memalign)
+#define posix_memalign AV_JOIN(MALLOC_PREFIX, posix_memalign)
+#define realloc AV_JOIN(MALLOC_PREFIX, realloc)
+#define free AV_JOIN(MALLOC_PREFIX, free)
+
+void *malloc(size_t size);
+void *memalign(size_t align, size_t size);
+int posix_memalign(void **ptr, size_t align, size_t size);
+void *realloc(void *ptr, size_t size);
+void free(void *ptr);
+
+#endif /* MALLOC_PREFIX */
+
/* You can redefine av_malloc and av_free in your project to use your
memory allocator. You do not need to suppress this file because the
linker will do it automatically. */