1 files changed, 48 insertions, 0 deletions
diff --git a/third_party/resample/src/sndlibextra.h b/third_party/resample/src/sndlibextra.h
new file mode 100644
index 00000000..536ac72c
--- /dev/null
+++ b/third_party/resample/src/sndlibextra.h
@@ -0,0 +1,48 @@
+#include <endian.h>      /* so that sndlib.h will get host byte-order right */
+#include <sndlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/* for creating, opening and closing files for sndlib I/O */
+int sndlib_create(char *, int, int, int, int, char *);
+int sndlib_open_read(char *);
+int sndlib_open_write(char *);
+int sndlib_close(int, int, int, int, int);
+
+/* for reading and writing headers */
+int sndlib_read_header(int);
+int sndlib_write_header(int, int, int, int, int, int, char *, int *);
+int sndlib_set_header_data_size(int, int, int);
+
+/* helper functions */
+int **sndlib_allocate_buffers(int, int);
+void sndlib_free_buffers(int **, int);
+
+
+/* some handy macros */
+
+#define IS_FLOAT_FORMAT(format) (                        \
+              (format) == snd_32_float                   \
+           || (format) == snd_32_float_little_endian     )
+
+#define NOT_A_SOUND_FILE(header_type) (                  \
+              (header_type) == MUS_UNSUPPORTED    \
+           || (header_type) == MUS_RAW            )
+
+/* The header types that sndlib can write, as of sndlib-5.5. */
+#define WRITEABLE_HEADER_TYPE(type) (                    \
+               (type) == MUS_AIFF                 \
+           ||  (type) == MUS_NEXT                 \
+           ||  (type) == MUS_RIFF                 \
+           ||  (type) == MUS_IRCAM                )
+
+#define INVALID_DATA_FORMAT(format) ((format) < 1)
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+