1 files changed, 82 insertions, 0 deletions
diff --git a/src/converter.h b/src/converter.h
new file mode 100644
index 0000000..8112231
--- /dev/null
+++ b/src/converter.h
@@ -0,0 +1,82 @@
+#ifndef foosydneyconverterhfoo
+#define foosydneyconverterhfoo
+
+#include "sydney.h"
+#include "volscale.h"
+#include "byteswap.h"
+#include "zero.h"
+#include "add.h"
+#include "bbuffer.h"
+#include "resample.h"
+#include "format.h"
+#include "common.h"
+#include "interleave.h"
+
+typedef struct sa_converter sa_converter_t;
+
+struct sa_converter {
+    sa_pcm_format_t from_pcm_format, to_pcm_format;
+    unsigned from_nchannels, to_nchannels;
+    unsigned from_rate, to_rate;
+
+    int sum_required;
+    int remap_required;
+    
+    sa_pcm_format_t work_pcm_format;
+    
+    size_t from_sample_size, work_sample_size, to_sample_size;
+
+    sa_byteswap_func_t pre_byteswap_func, post_byteswap_func;
+    sa_format_func_t pre_format_func, post_format_func;
+    sa_volscale_func_t volscale_func;
+    sa_zero_func_t zero_func;
+    sa_add_func_t add_func;
+    sa_resample_func_t resample_func;
+    sa_interleave_func_t interleave_func;
+
+    SpeexResamplerState *speex;
+
+    sa_bbuffer_t bb_pre_byteswap,
+        bb_pre_format,
+        bb_volscale,
+        bb_remap,
+        bb_resample,
+        bb_post_format,
+        bb_post_byteswap,
+        bb_interleave,
+        bb_tmp;
+
+    void **from_process_data, **to_process_data;
+    size_t *from_stride, *to_stride;
+
+    int32_t *volume_factor, *volume_divisor;
+    int no_volume;
+
+    int *channel_map_table;
+
+    void *zero_buffer;
+    size_t zero_size;
+};
+
+int sa_converter_init(sa_converter_t *c, const pcm_attrs_t *from, const pcm_attrs_t *to, int dynamic_rate_enabled);
+void sa_converter_done(sa_converter_t *c);
+
+int sa_converter_go(
+        sa_converter_t *c,
+        const void *const src[], const size_t sstr[], int sinterleave,
+        void **dst[], size_t *dstr[], int dinterleave,
+        size_t *size);
+
+int sa_converter_go_interleaved(
+        sa_converter_t *c,
+        const void *const data, 
+        void **dst[], size_t *dstr[], int dinterleave,
+        size_t *size);
+
+void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]);
+
+void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2);
+
+void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size);
+
+#endif