GODOT IS OPEN SOURCE

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/theora/enquant.h b/drivers/theora/enquant.h
new file mode 100644
index 000000000..d62df10d1
--- /dev/null
+++ b/drivers/theora/enquant.h
@@ -0,0 +1,27 @@
+#if !defined(_enquant_H)
+# define _enquant_H (1)
+# include "quant.h"
+
+typedef struct oc_iquant oc_iquant;
+
+#define OC_QUANT_MAX_LOG (OC_Q57(OC_STATIC_ILOG_32(OC_QUANT_MAX)-1))
+
+/*Used to compute x/d via ((x*m>>16)+x>>l)+(x<0))
+   (i.e., one 16x16->16 mul, 2 shifts, and 2 adds).
+  This is not an approximation; for 16-bit x and d, it is exact.*/
+struct oc_iquant{
+  ogg_int16_t m;
+  ogg_int16_t l;
+};
+
+typedef oc_iquant        oc_iquant_table[64];
+
+
+
+void oc_quant_params_pack(oggpack_buffer *_opb,const th_quant_info *_qinfo);
+void oc_enquant_tables_init(ogg_uint16_t *_dequant[64][3][2],
+ oc_iquant *_enquant[64][3][2],const th_quant_info *_qinfo);
+void oc_enquant_qavg_init(ogg_int64_t _log_qavg[2][64],
+ ogg_uint16_t *_dequant[64][3][2],int _pixel_fmt);
+
+#endif