lavc/aacenc: use isfinite to simplify isnan/isinf logic

[ffmpeg] / libavcodec / g723_1.h

diff --git a/libavcodec/g723_1.h b/libavcodec/g723_1.h
index 166d8979969bbbaa66443ec4ec1de9cb0433326f..40d6e700b1b1d5808e0b3c33ba357a734fe53ca7 100644 (file)
--- a/libavcodec/g723_1.h
+++ b/libavcodec/g723_1.h
@@ -3,20 +3,20 @@
  * Copyright (c) 2006 Benjamin Larsson
  * Copyright (c) 2010 Mohamed Naufal Basheer
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -142,7 +142,8 @@ typedef struct g723_1_context {
     int sid_gain;
     int cur_gain;
     int reflection_coef;
-    int pf_gain;
+    int pf_gain;                 ///< formant postfilter
+                                 ///< gain scaling unit memory
     int postfilter;
 
     int16_t audio[FRAME_LEN + LPC_ORDER + PITCH_MAX + 4];
@@ -215,16 +216,27 @@ void ff_g723_1_lsp_interpolate(int16_t *lpc, int16_t *cur_lsp,
 void ff_g723_1_inverse_quant(int16_t *cur_lsp, int16_t *prev_lsp,
                              uint8_t *lsp_index, int bad_frame);
 
-
 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 };
+/**
+ * Postfilter gain weighting factors scaled by 2^15
+ */
+static const int16_t ppf_gain_weight[2] = {0x1800, 0x2000};
 
-/* LSP DC component */
+/**
+ * LSP DC component
+ */
 static const int16_t dc_lsp[LPC_ORDER] = {
-    0x0c3b, 0x1271, 0x1e0a, 0x2a36, 0x3630,
-    0x406f, 0x4d28, 0x56f4, 0x638c, 0x6c46
+    0x0c3b,
+    0x1271,
+    0x1e0a,
+    0x2a36,
+    0x3630,
+    0x406f,
+    0x4d28,
+    0x56f4,
+    0x638c,
+    0x6c46
 };
 
 /* Cosine table scaled by 2^14 */
@@ -296,7 +308,9 @@ static const int16_t cos_tab[COS_TBL_SIZE + 1] = {
     16384
 };
 
-/* LSP VQ tables */
+/**
+ *  LSP VQ tables
+ */
 static const int16_t lsp_band0[LSP_CB_SIZE][3] = {
     {    0,      0,      0}, { -270,  -1372,  -1032}, { -541,  -1650,  -1382},
     { -723,  -2011,  -2213}, { -941,  -1122,  -1942}, { -780,  -1145,  -2454},
@@ -606,12 +620,12 @@ static const int16_t lsp_band2[LSP_CB_SIZE][4] = {
     { 3633,   2336,   2408,   1453}, { 2923,   3517,   2567,   1318},
 };
 
-/*
+/**
  * Used for the coding/decoding of the pulses positions
  * for the MP-MLQ codebook
  */
 static const int32_t combinatorial_table[PULSE_MAX][SUBFRAME_LEN/GRID_SIZE] = {
-    {118755, 98280, 80730, 65780L, 53130,
+    {118755, 98280, 80730,  65780, 53130,
       42504, 33649, 26334,  20349, 15504,
       11628,  8568,  6188,   4368,  3003,
        2002,  1287,   792,    462,   252,
@@ -700,10 +714,14 @@ static const int16_t pitch_contrib[340] = {
     -2, 25144,  0, 17998
 };
 
-/* Number of non-zero pulses in the MP-MLQ excitation */
+/**
+ * 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 */
+/**
+ * Size of the MP-MLQ fixed excitation codebooks
+ */
 static const int32_t max_pos[4] = {593775, 142506, 593775, 142506};
 
 static const int16_t fixed_cb_gain[GAIN_LEVELS] = {
@@ -1356,15 +1374,16 @@ static const int16_t adaptive_cb_gain170[170 * 20] = {
     -4534,  -2487,  -3932,  -4166,  -2113,  -3341,  -3540,  -3070
 };
 
-/* 0.65^i (Zero part) and 0.75^i (Pole part) scaled by 2^15 */
+/**
+ * 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 },
+    {21299, 13844,  8999,  5849, 3802, 2471, 1606, 1044,  679,  441},
     /* Pole */
-    { 24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845 }
+    {24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845}
 };
 
-
 /**
  * Hamming window coefficients scaled by 2^15
  */