* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef FFMPEG_G729DATA_H
-#define FFMPEG_G729DATA_H
+#ifndef AVCODEC_G729DATA_H
+#define AVCODEC_G729DATA_H
#include <stdint.h>
-/// Moving Average (MA) prediction order
-#define MA_NP 4
+#define MA_NP 4 ///< Moving Average (MA) prediction order
+
+#define VQ_1ST_BITS 7 ///< first stage vector of quantizer (size in bits)
+#define VQ_2ND_BITS 5 ///< second stage vector of quantizer (size in bits)
+
+#define GC_1ST_IDX_BITS_8K 3 ///< gain codebook (first stage) index, 8k mode (size in bits)
+#define GC_2ND_IDX_BITS_8K 4 ///< gain codebook (second stage) index, 8k mode (size in bits)
+
+#define GC_1ST_IDX_BITS_6K4 3 ///< gain codebook (first stage) index, 6.4k mode (size in bits)
+#define GC_2ND_IDX_BITS_6K4 3 ///< gain codebook (second stage) index, 6.4k mode (size in bits)
/**
* first stage LSP codebook
{ -163, 674, -11, -886, 531, -1125, -265, -242, 724, 934}
};
-#endif // FFMPEG_G729DATA_H
+/**
+ * gain codebook (first stage), 8k mode (3.9.2 of G.729)
+ */
+static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] =
+{ /*(0.14) (2.13) */
+ { 3242 , 9949 },
+ { 1551 , 2425 },
+ { 2678 , 27162 },
+ { 1921 , 9291 },
+ { 1831 , 5022 },
+ { 1 , 1516 },
+ { 356 , 14756 },
+ { 57 , 5404 },
+};
+
+/**
+ * gain codebook (second stage), 8k mode (3.9.2 of G.729)
+ */
+static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] =
+{ /*(1.14) (1.13) */
+ { 5142 , 592 },
+ { 17299 , 1861 },
+ { 6160 , 2395 },
+ { 16112 , 3392 },
+ { 826 , 2005 },
+ { 18973 , 5935 },
+ { 1994 , 0 },
+ { 15434 , 237 },
+ { 10573 , 2966 },
+ { 15132 , 4914 },
+ { 11569 , 1196 },
+ { 14194 , 1630 },
+ { 8091 , 4861 },
+ { 15161 , 14276 },
+ { 9120 , 525 },
+ { 13260 , 3256 },
+};
+
+/**
+ * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729)
+ */
+static const int16_t cb_ma_predictor[2][MA_NP][10] =
+{ /* (0.15) */
+ {
+ { 8421, 9109, 9175, 8965, 9034, 9057, 8765, 8775, 9106, 8673},
+ { 7018, 7189, 7638, 7307, 7444, 7379, 7038, 6956, 6930, 6868},
+ { 5472, 4990, 5134, 5177, 5246, 5141, 5206, 5095, 4830, 5147},
+ { 4056, 3031, 2614, 3024, 2916, 2713, 3309, 3237, 2857, 3473}
+ },
+ {
+ { 7733, 7880, 8188, 8175, 8247, 8490, 8637, 8601, 8359, 7569},
+ { 4210, 3031, 2552, 3473, 3876, 3853, 4184, 4154, 3909, 3968},
+ { 3214, 1930, 1313, 2143, 2493, 2385, 2755, 2706, 2542, 2919},
+ { 3024, 1592, 940, 1631, 1723, 1579, 2034, 2084, 1913, 2601}
+ }
+};
+#endif /* AVCODEC_G729DATA_H */