[FFmpeg-devel] [PATCH 02/16] avcodec/g723_1: Move tables to their only user

Andreas Rheinhardt andreas.rheinhardt at gmail.com
Mon Jan 4 02:28:02 EET 2021


Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
 libavcodec/g723_1.h    | 120 -----------------------------------------
 libavcodec/g723_1dec.c |  72 +++++++++++++++++++++++++
 libavcodec/g723_1enc.c |  48 +++++++++++++++++
 3 files changed, 120 insertions(+), 120 deletions(-)

diff --git a/libavcodec/g723_1.h b/libavcodec/g723_1.h
index 7cd57b76b4..521f220b2a 100644
--- a/libavcodec/g723_1.h
+++ b/libavcodec/g723_1.h
@@ -221,11 +221,6 @@ void ff_g723_1_inverse_quant(int16_t *cur_lsp, int16_t *prev_lsp,
 
 static const uint8_t frame_size[4] = { 24, 20, 4, 1 };
 
-/**
- * Postfilter gain weighting factors scaled by 2^15
- */
-static const int16_t ppf_gain_weight[2] = {0x1800, 0x2000};
-
 /**
  * LSP DC component
  */
@@ -259,129 +254,14 @@ extern const int16_t ff_g723_1_lsp_band2[LSP_CB_SIZE][4];
  */
 extern const int32_t ff_g723_1_combinatorial_table[PULSE_MAX][SUBFRAME_LEN/GRID_SIZE];
 
-static const int16_t pitch_contrib[340] = {
-    60,     0,  0,  2489, 60,     0,  0,  5217,
-     1,  6171,  0,  3953,  0, 10364,  1,  9357,
-    -1,  8843,  1,  9396,  0,  5794, -1, 10816,
-     2, 11606, -2, 12072,  0,  8616,  1, 12170,
-     0, 14440,  0,  7787, -1, 13721,  0, 18205,
-     0, 14471,  0, 15807,  1, 15275,  0, 13480,
-    -1, 18375, -1,     0,  1, 11194, -1, 13010,
-     1, 18836, -2, 20354,  1, 16233, -1,     0,
-    60,     0,  0, 12130,  0, 13385,  1, 17834,
-     1, 20875,  0, 21996,  1,     0,  1, 18277,
-    -1, 21321,  1, 13738, -1, 19094, -1, 20387,
-    -1,     0,  0, 21008, 60,     0, -2, 22807,
-     0, 15900,  1,     0,  0, 17989, -1, 22259,
-     1, 24395,  1, 23138,  0, 23948,  1, 22997,
-     2, 22604, -1, 25942,  0, 26246,  1, 25321,
-     0, 26423,  0, 24061,  0, 27247, 60,     0,
-    -1, 25572,  1, 23918,  1, 25930,  2, 26408,
-    -1, 19049,  1, 27357, -1, 24538, 60,     0,
-    -1, 25093,  0, 28549,  1,     0,  0, 22793,
-    -1, 25659,  0, 29377,  0, 30276,  0, 26198,
-     1, 22521, -1, 28919,  0, 27384,  1, 30162,
-    -1,     0,  0, 24237, -1, 30062,  0, 21763,
-     1, 30917, 60,     0,  0, 31284,  0, 29433,
-     1, 26821,  1, 28655,  0, 31327,  2, 30799,
-     1, 31389,  0, 32322,  1, 31760, -2, 31830,
-     0, 26936, -1, 31180,  1, 30875,  0, 27873,
-    -1, 30429,  1, 31050,  0,     0,  0, 31912,
-     1, 31611,  0, 31565,  0, 25557,  0, 31357,
-    60,     0,  1, 29536,  1, 28985, -1, 26984,
-    -1, 31587,  2, 30836, -2, 31133,  0, 30243,
-    -1, 30742, -1, 32090, 60,     0,  2, 30902,
-    60,     0,  0, 30027,  0, 29042, 60,     0,
-     0, 31756,  0, 24553,  0, 25636, -2, 30501,
-    60,     0, -1, 29617,  0, 30649, 60,     0,
-     0, 29274,  2, 30415,  0, 27480,  0, 31213,
-    -1, 28147,  0, 30600,  1, 31652,  2, 29068,
-    60,     0,  1, 28571,  1, 28730,  1, 31422,
-     0, 28257,  0, 24797, 60,     0,  0,     0,
-    60,     0,  0, 22105,  0, 27852, 60,     0,
-    60,     0, -1, 24214,  0, 24642,  0, 23305,
-    60,     0, 60,     0,  1, 22883,  0, 21601,
-    60,     0,  2, 25650, 60,     0, -2, 31253,
-    -2, 25144,  0, 17998
-};
-
 /**
  * Number of non-zero pulses in the MP-MLQ excitation
  */
 static const int8_t pulses[4] = {6, 5, 6, 5};
 
-/**
- * Size of the MP-MLQ fixed excitation codebooks
- */
-static const int32_t max_pos[4] = {593775, 142506, 593775, 142506};
-
 extern const int16_t ff_g723_1_fixed_cb_gain[GAIN_LEVELS];
 
 extern const int16_t ff_g723_1_adaptive_cb_gain85 [ 85 * 20];
 extern const int16_t ff_g723_1_adaptive_cb_gain170[170 * 20];
 
-/**
- * 0.65^i (Zero part) and 0.75^i (Pole part) scaled by 2^15
- */
-static const int16_t postfilter_tbl[2][LPC_ORDER] = {
-    /* Zero */
-    {21299, 13844,  8999,  5849, 3802, 2471, 1606, 1044,  679,  441},
-    /* Pole */
-    {24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845}
-};
-
-/**
- * Hamming window coefficients scaled by 2^15
- */
-static const int16_t hamming_window[LPC_FRAME] = {
-     2621,  2631,  2659,  2705,  2770,  2853,  2955,  3074,  3212,  3367,
-     3541,  3731,  3939,  4164,  4405,  4663,  4937,  5226,  5531,  5851,
-     6186,  6534,  6897,  7273,  7661,  8062,  8475,  8899,  9334,  9780,
-    10235, 10699, 11172, 11653, 12141, 12636, 13138, 13645, 14157, 14673,
-    15193, 15716, 16242, 16769, 17298, 17827, 18356, 18884, 19411, 19935,
-    20457, 20975, 21489, 21999, 22503, 23002, 23494, 23978, 24455, 24924,
-    25384, 25834, 26274, 26704, 27122, 27529, 27924, 28306, 28675, 29031,
-    29373, 29700, 30012, 30310, 30592, 30857, 31107, 31340, 31557, 31756,
-    31938, 32102, 32249, 32377, 32488, 32580, 32654, 32710, 32747, 32766,
-    32766, 32747, 32710, 32654, 32580, 32488, 32377, 32249, 32102, 31938,
-    31756, 31557, 31340, 31107, 30857, 30592, 30310, 30012, 29700, 29373,
-    29031, 28675, 28306, 27924, 27529, 27122, 26704, 26274, 25834, 25384,
-    24924, 24455, 23978, 23494, 23002, 22503, 21999, 21489, 20975, 20457,
-    19935, 19411, 18884, 18356, 17827, 17298, 16769, 16242, 15716, 15193,
-    14673, 14157, 13645, 13138, 12636, 12141, 11653, 11172, 10699, 10235,
-     9780, 9334,   8899,  8475,  8062,  7661,  7273,  6897,  6534,  6186,
-     5851, 5531,   5226,  4937,  4663,  4405,  4164,  3939,  3731,  3541,
-     3367, 3212,   3074,  2955,  2853,  2770,  2705,  2659,  2631,  2621
-};
-
-/**
- * Binomial window coefficients scaled by 2^15
- */
-static const int16_t binomial_window[LPC_ORDER] = {
-    32749, 32695, 32604, 32477, 32315, 32118, 31887, 31622, 31324, 30995
-};
-
-/**
- * 0.994^i scaled by 2^15
- */
-static const int16_t bandwidth_expand[LPC_ORDER] = {
-    32571, 32376, 32182, 31989, 31797, 31606, 31416, 31228, 31040, 30854
-};
-
-/**
- * 0.5^i scaled by 2^15
- */
-static const int16_t percept_flt_tbl[2][LPC_ORDER] = {
-    /* Zero part */
-    {29491, 26542, 23888, 21499, 19349, 17414, 15673, 14106, 12695, 11425},
-    /* Pole part */
-    {16384,  8192,  4096,  2048,  1024,   512,   256,   128,    64,    32}
-};
-
-static const int cng_adaptive_cb_lag[4] = { 1, 0, 1, 3 };
-
-static const int cng_filt[4] = { 273, 998, 499, 333 };
-
-static const int cng_bseg[3] = { 2048, 18432, 231233 };
-
 #endif /* AVCODEC_G723_1_H */
diff --git a/libavcodec/g723_1dec.c b/libavcodec/g723_1dec.c
index b9baa4f364..fddd4b03c0 100644
--- a/libavcodec/g723_1dec.c
+++ b/libavcodec/g723_1dec.c
@@ -40,6 +40,78 @@
 
 #define CNG_RANDOM_SEED 12345
 
+/**
+ * Postfilter gain weighting factors scaled by 2^15
+ */
+static const int16_t ppf_gain_weight[2] = {0x1800, 0x2000};
+
+static const int16_t pitch_contrib[340] = {
+    60,     0,  0,  2489, 60,     0,  0,  5217,
+     1,  6171,  0,  3953,  0, 10364,  1,  9357,
+    -1,  8843,  1,  9396,  0,  5794, -1, 10816,
+     2, 11606, -2, 12072,  0,  8616,  1, 12170,
+     0, 14440,  0,  7787, -1, 13721,  0, 18205,
+     0, 14471,  0, 15807,  1, 15275,  0, 13480,
+    -1, 18375, -1,     0,  1, 11194, -1, 13010,
+     1, 18836, -2, 20354,  1, 16233, -1,     0,
+    60,     0,  0, 12130,  0, 13385,  1, 17834,
+     1, 20875,  0, 21996,  1,     0,  1, 18277,
+    -1, 21321,  1, 13738, -1, 19094, -1, 20387,
+    -1,     0,  0, 21008, 60,     0, -2, 22807,
+     0, 15900,  1,     0,  0, 17989, -1, 22259,
+     1, 24395,  1, 23138,  0, 23948,  1, 22997,
+     2, 22604, -1, 25942,  0, 26246,  1, 25321,
+     0, 26423,  0, 24061,  0, 27247, 60,     0,
+    -1, 25572,  1, 23918,  1, 25930,  2, 26408,
+    -1, 19049,  1, 27357, -1, 24538, 60,     0,
+    -1, 25093,  0, 28549,  1,     0,  0, 22793,
+    -1, 25659,  0, 29377,  0, 30276,  0, 26198,
+     1, 22521, -1, 28919,  0, 27384,  1, 30162,
+    -1,     0,  0, 24237, -1, 30062,  0, 21763,
+     1, 30917, 60,     0,  0, 31284,  0, 29433,
+     1, 26821,  1, 28655,  0, 31327,  2, 30799,
+     1, 31389,  0, 32322,  1, 31760, -2, 31830,
+     0, 26936, -1, 31180,  1, 30875,  0, 27873,
+    -1, 30429,  1, 31050,  0,     0,  0, 31912,
+     1, 31611,  0, 31565,  0, 25557,  0, 31357,
+    60,     0,  1, 29536,  1, 28985, -1, 26984,
+    -1, 31587,  2, 30836, -2, 31133,  0, 30243,
+    -1, 30742, -1, 32090, 60,     0,  2, 30902,
+    60,     0,  0, 30027,  0, 29042, 60,     0,
+     0, 31756,  0, 24553,  0, 25636, -2, 30501,
+    60,     0, -1, 29617,  0, 30649, 60,     0,
+     0, 29274,  2, 30415,  0, 27480,  0, 31213,
+    -1, 28147,  0, 30600,  1, 31652,  2, 29068,
+    60,     0,  1, 28571,  1, 28730,  1, 31422,
+     0, 28257,  0, 24797, 60,     0,  0,     0,
+    60,     0,  0, 22105,  0, 27852, 60,     0,
+    60,     0, -1, 24214,  0, 24642,  0, 23305,
+    60,     0, 60,     0,  1, 22883,  0, 21601,
+    60,     0,  2, 25650, 60,     0, -2, 31253,
+    -2, 25144,  0, 17998
+};
+
+/**
+ * Size of the MP-MLQ fixed excitation codebooks
+ */
+static const int32_t max_pos[4] = {593775, 142506, 593775, 142506};
+
+/**
+ * 0.65^i (Zero part) and 0.75^i (Pole part) scaled by 2^15
+ */
+static const int16_t postfilter_tbl[2][LPC_ORDER] = {
+    /* Zero */
+    {21299, 13844,  8999,  5849, 3802, 2471, 1606, 1044,  679,  441},
+    /* Pole */
+    {24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845}
+};
+
+static const int cng_adaptive_cb_lag[4] = { 1, 0, 1, 3 };
+
+static const int cng_filt[4] = { 273, 998, 499, 333 };
+
+static const int cng_bseg[3] = { 2048, 18432, 231233 };
+
 static av_cold int g723_1_decode_init(AVCodecContext *avctx)
 {
     G723_1_Context *s = avctx->priv_data;
diff --git a/libavcodec/g723_1enc.c b/libavcodec/g723_1enc.c
index d8ed4bbb2b..11b0c7f71e 100644
--- a/libavcodec/g723_1enc.c
+++ b/libavcodec/g723_1enc.c
@@ -40,6 +40,54 @@
 #define BITSTREAM_WRITER_LE
 #include "put_bits.h"
 
+/**
+ * Hamming window coefficients scaled by 2^15
+ */
+static const int16_t hamming_window[LPC_FRAME] = {
+     2621,  2631,  2659,  2705,  2770,  2853,  2955,  3074,  3212,  3367,
+     3541,  3731,  3939,  4164,  4405,  4663,  4937,  5226,  5531,  5851,
+     6186,  6534,  6897,  7273,  7661,  8062,  8475,  8899,  9334,  9780,
+    10235, 10699, 11172, 11653, 12141, 12636, 13138, 13645, 14157, 14673,
+    15193, 15716, 16242, 16769, 17298, 17827, 18356, 18884, 19411, 19935,
+    20457, 20975, 21489, 21999, 22503, 23002, 23494, 23978, 24455, 24924,
+    25384, 25834, 26274, 26704, 27122, 27529, 27924, 28306, 28675, 29031,
+    29373, 29700, 30012, 30310, 30592, 30857, 31107, 31340, 31557, 31756,
+    31938, 32102, 32249, 32377, 32488, 32580, 32654, 32710, 32747, 32766,
+    32766, 32747, 32710, 32654, 32580, 32488, 32377, 32249, 32102, 31938,
+    31756, 31557, 31340, 31107, 30857, 30592, 30310, 30012, 29700, 29373,
+    29031, 28675, 28306, 27924, 27529, 27122, 26704, 26274, 25834, 25384,
+    24924, 24455, 23978, 23494, 23002, 22503, 21999, 21489, 20975, 20457,
+    19935, 19411, 18884, 18356, 17827, 17298, 16769, 16242, 15716, 15193,
+    14673, 14157, 13645, 13138, 12636, 12141, 11653, 11172, 10699, 10235,
+     9780, 9334,   8899,  8475,  8062,  7661,  7273,  6897,  6534,  6186,
+     5851, 5531,   5226,  4937,  4663,  4405,  4164,  3939,  3731,  3541,
+     3367, 3212,   3074,  2955,  2853,  2770,  2705,  2659,  2631,  2621
+};
+
+/**
+ * Binomial window coefficients scaled by 2^15
+ */
+static const int16_t binomial_window[LPC_ORDER] = {
+    32749, 32695, 32604, 32477, 32315, 32118, 31887, 31622, 31324, 30995
+};
+
+/**
+ * 0.994^i scaled by 2^15
+ */
+static const int16_t bandwidth_expand[LPC_ORDER] = {
+    32571, 32376, 32182, 31989, 31797, 31606, 31416, 31228, 31040, 30854
+};
+
+/**
+ * 0.5^i scaled by 2^15
+ */
+static const int16_t percept_flt_tbl[2][LPC_ORDER] = {
+    /* Zero part */
+    {29491, 26542, 23888, 21499, 19349, 17414, 15673, 14106, 12695, 11425},
+    /* Pole part */
+    {16384,  8192,  4096,  2048,  1024,   512,   256,   128,    64,    32}
+};
+
 static av_cold int g723_1_encode_init(AVCodecContext *avctx)
 {
     G723_1_Context *s = avctx->priv_data;
-- 
2.25.1



More information about the ffmpeg-devel mailing list