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-rw-r--r--media/libopus/silk/tables_LTP.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/media/libopus/silk/tables_LTP.c b/media/libopus/silk/tables_LTP.c
new file mode 100644
index 0000000000..5e12c8643e
--- /dev/null
+++ b/media/libopus/silk/tables_LTP.c
@@ -0,0 +1,294 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tables.h"
+
+const opus_uint8 silk_LTP_per_index_iCDF[3] = {
+ 179, 99, 0
+};
+
+static const opus_uint8 silk_LTP_gain_iCDF_0[8] = {
+ 71, 56, 43, 30, 21, 12, 6, 0
+};
+
+static const opus_uint8 silk_LTP_gain_iCDF_1[16] = {
+ 199, 165, 144, 124, 109, 96, 84, 71,
+ 61, 51, 42, 32, 23, 15, 8, 0
+};
+
+static const opus_uint8 silk_LTP_gain_iCDF_2[32] = {
+ 241, 225, 211, 199, 187, 175, 164, 153,
+ 142, 132, 123, 114, 105, 96, 88, 80,
+ 72, 64, 57, 50, 44, 38, 33, 29,
+ 24, 20, 16, 12, 9, 5, 2, 0
+};
+
+static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = {
+ 15, 131, 138, 138, 155, 155, 173, 173
+};
+
+static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = {
+ 69, 93, 115, 118, 131, 138, 141, 138,
+ 150, 150, 155, 150, 155, 160, 166, 160
+};
+
+static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = {
+ 131, 128, 134, 141, 141, 141, 145, 145,
+ 145, 150, 155, 155, 155, 155, 160, 160,
+ 160, 160, 166, 166, 173, 173, 182, 192,
+ 182, 192, 192, 192, 205, 192, 205, 224
+};
+
+const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = {
+ silk_LTP_gain_iCDF_0,
+ silk_LTP_gain_iCDF_1,
+ silk_LTP_gain_iCDF_2
+};
+
+const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = {
+ silk_LTP_gain_BITS_Q5_0,
+ silk_LTP_gain_BITS_Q5_1,
+ silk_LTP_gain_BITS_Q5_2
+};
+
+static const opus_int8 silk_LTP_gain_vq_0[8][5] =
+{
+{
+ 4, 6, 24, 7, 5
+},
+{
+ 0, 0, 2, 0, 0
+},
+{
+ 12, 28, 41, 13, -4
+},
+{
+ -9, 15, 42, 25, 14
+},
+{
+ 1, -2, 62, 41, -9
+},
+{
+ -10, 37, 65, -4, 3
+},
+{
+ -6, 4, 66, 7, -8
+},
+{
+ 16, 14, 38, -3, 33
+}
+};
+
+static const opus_int8 silk_LTP_gain_vq_1[16][5] =
+{
+{
+ 13, 22, 39, 23, 12
+},
+{
+ -1, 36, 64, 27, -6
+},
+{
+ -7, 10, 55, 43, 17
+},
+{
+ 1, 1, 8, 1, 1
+},
+{
+ 6, -11, 74, 53, -9
+},
+{
+ -12, 55, 76, -12, 8
+},
+{
+ -3, 3, 93, 27, -4
+},
+{
+ 26, 39, 59, 3, -8
+},
+{
+ 2, 0, 77, 11, 9
+},
+{
+ -8, 22, 44, -6, 7
+},
+{
+ 40, 9, 26, 3, 9
+},
+{
+ -7, 20, 101, -7, 4
+},
+{
+ 3, -8, 42, 26, 0
+},
+{
+ -15, 33, 68, 2, 23
+},
+{
+ -2, 55, 46, -2, 15
+},
+{
+ 3, -1, 21, 16, 41
+}
+};
+
+static const opus_int8 silk_LTP_gain_vq_2[32][5] =
+{
+{
+ -6, 27, 61, 39, 5
+},
+{
+ -11, 42, 88, 4, 1
+},
+{
+ -2, 60, 65, 6, -4
+},
+{
+ -1, -5, 73, 56, 1
+},
+{
+ -9, 19, 94, 29, -9
+},
+{
+ 0, 12, 99, 6, 4
+},
+{
+ 8, -19, 102, 46, -13
+},
+{
+ 3, 2, 13, 3, 2
+},
+{
+ 9, -21, 84, 72, -18
+},
+{
+ -11, 46, 104, -22, 8
+},
+{
+ 18, 38, 48, 23, 0
+},
+{
+ -16, 70, 83, -21, 11
+},
+{
+ 5, -11, 117, 22, -8
+},
+{
+ -6, 23, 117, -12, 3
+},
+{
+ 3, -8, 95, 28, 4
+},
+{
+ -10, 15, 77, 60, -15
+},
+{
+ -1, 4, 124, 2, -4
+},
+{
+ 3, 38, 84, 24, -25
+},
+{
+ 2, 13, 42, 13, 31
+},
+{
+ 21, -4, 56, 46, -1
+},
+{
+ -1, 35, 79, -13, 19
+},
+{
+ -7, 65, 88, -9, -14
+},
+{
+ 20, 4, 81, 49, -29
+},
+{
+ 20, 0, 75, 3, -17
+},
+{
+ 5, -9, 44, 92, -8
+},
+{
+ 1, -3, 22, 69, 31
+},
+{
+ -6, 95, 41, -12, 5
+},
+{
+ 39, 67, 16, -4, 1
+},
+{
+ 0, -6, 120, 55, -36
+},
+{
+ -13, 44, 122, 4, -24
+},
+{
+ 81, 5, 11, 3, 7
+},
+{
+ 2, 0, 9, 10, 88
+}
+};
+
+const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = {
+ (opus_int8 *)&silk_LTP_gain_vq_0[0][0],
+ (opus_int8 *)&silk_LTP_gain_vq_1[0][0],
+ (opus_int8 *)&silk_LTP_gain_vq_2[0][0]
+};
+
+/* Maximum frequency-dependent response of the pitch taps above,
+ computed as max(abs(freqz(taps))) */
+static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = {
+ 46, 2, 90, 87, 93, 91, 82, 98
+};
+
+static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = {
+ 109, 120, 118, 12, 113, 115, 117, 119,
+ 99, 59, 87, 111, 63, 111, 112, 80
+};
+
+static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = {
+ 126, 124, 125, 124, 129, 121, 126, 23,
+ 132, 127, 127, 127, 126, 127, 122, 133,
+ 130, 134, 101, 118, 119, 145, 126, 86,
+ 124, 120, 123, 119, 170, 173, 107, 109
+};
+
+const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = {
+ &silk_LTP_gain_vq_0_gain[0],
+ &silk_LTP_gain_vq_1_gain[0],
+ &silk_LTP_gain_vq_2_gain[0]
+};
+
+const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = {
+ 8, 16, 32
+};