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Diffstat (limited to 'pjmedia/src/pjmedia/portaudio/pa_types.h')
-rw-r--r--pjmedia/src/pjmedia/portaudio/pa_types.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia/portaudio/pa_types.h b/pjmedia/src/pjmedia/portaudio/pa_types.h
new file mode 100644
index 00000000..44c0a5f8
--- /dev/null
+++ b/pjmedia/src/pjmedia/portaudio/pa_types.h
@@ -0,0 +1,65 @@
+#ifndef PA_TYPES_H
+#define PA_TYPES_H
+
+/*
+ SIZEOF_SHORT, SIZEOF_INT and SIZEOF_LONG are set by the configure script
+ when it is used. Otherwise we default to the common 32 bit values, if your
+ platform doesn't use configure, and doesn't use the default values below
+ you will need to explicitly define these symbols in your make file.
+
+ A PA_VALIDATE_SIZES macro is provided to assert that the values set in this
+ file are correct.
+*/
+
+#ifndef SIZEOF_SHORT
+#define SIZEOF_SHORT 2
+#endif
+
+#ifndef SIZEOF_INT
+#define SIZEOF_INT 4
+#endif
+
+#ifndef SIZEOF_LONG
+#define SIZEOF_LONG 4
+#endif
+
+
+#if SIZEOF_SHORT == 2
+typedef signed short PaInt16;
+typedef unsigned short PaUint16;
+#elif SIZEOF_INT == 2
+typedef signed int PaInt16;
+typedef unsigned int PaUint16;
+#else
+#error pa_types.h was unable to determine which type to use for 16bit integers on the target platform
+#endif
+
+#if SIZEOF_SHORT == 4
+typedef signed short PaInt32;
+typedef unsigned short PaUint32;
+#elif SIZEOF_INT == 4
+typedef signed int PaInt32;
+typedef unsigned int PaUint32;
+#elif SIZEOF_LONG == 4
+typedef signed long PaInt32;
+typedef unsigned long PaUint32;
+#else
+#error pa_types.h was unable to determine which type to use for 32bit integers on the target platform
+#endif
+
+
+/* PA_VALIDATE_TYPE_SIZES compares the size of the integer types at runtime to
+ ensure that PortAudio was configured correctly, and raises an assertion if
+ they don't match the expected values. <assert.h> must be included in the
+ context in which this macro is used.
+*/
+#define PA_VALIDATE_TYPE_SIZES \
+ { \
+ assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint16 ) == 2 ); \
+ assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt16 ) == 2 ); \
+ assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint32 ) == 4 ); \
+ assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt32 ) == 4 ); \
+ }
+
+
+#endif /* PA_TYPES_H */