From 5ce21342589a93e1713e4e2169f1327be5bf38e5 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Sun, 9 Dec 2007 03:23:04 +0000
Subject: cosmetics: rename ac3 bit allocation variables

Originally committed as revision 11194 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/ac3.h | 49 +++++++++++++++++++++++++------------------------
 1 file changed, 25 insertions(+), 24 deletions(-)

(limited to 'libavcodec/ac3.h')

diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
index 05879371c1..6b81554481 100644
--- a/libavcodec/ac3.h
+++ b/libavcodec/ac3.h
@@ -64,10 +64,10 @@ typedef enum {
 } AC3ChannelMode;
 
 typedef struct AC3BitAllocParameters {
-    int fscod; /* frequency */
-    int halfratecod;
-    int sgain, sdecay, fdecay, dbknee, floor;
-    int cplfleak, cplsleak;
+    int sr_code;
+    int sr_shift;
+    int slow_gain, slow_decay, fast_decay, db_per_bit, floor;
+    int cpl_fast_leak, cpl_slow_leak;
 } AC3BitAllocParameters;
 
 /**
@@ -80,7 +80,7 @@ typedef struct {
      */
     uint16_t sync_word;
     uint16_t crc1;
-    uint8_t fscod;
+    uint8_t sr_code;
     uint8_t frmsizecod;
     uint8_t bsid;
     uint8_t bsmod;
@@ -94,7 +94,7 @@ typedef struct {
     /** @defgroup derived Derived values
      * @{
      */
-    uint8_t halfratecod;
+    uint8_t sr_shift;
     uint16_t sample_rate;
     uint32_t bit_rate;
     uint8_t channels;
@@ -117,10 +117,10 @@ void ac3_common_init(void);
  * @param[in]  start      starting bin location
  * @param[in]  end        ending bin location
  * @param[out] psd        signal power for each frequency bin
- * @param[out] bndpsd     signal power for each critical band
+ * @param[out] band_psd   signal power for each critical band
  */
 void ff_ac3_bit_alloc_calc_psd(int8_t *exp, int start, int end, int16_t *psd,
-                               int16_t *bndpsd);
+                               int16_t *band_psd);
 
 /**
  * Calculates the masking curve.
@@ -131,22 +131,22 @@ void ff_ac3_bit_alloc_calc_psd(int8_t *exp, int start, int end, int16_t *psd,
  * curve, usually to give a closer match to a better psychoacoustic model.
  *
  * @param[in]  s          adjustable bit allocation parameters
- * @param[in]  bndpsd     signal power for each critical band
+ * @param[in]  band_psd     signal power for each critical band
  * @param[in]  start      starting bin location
  * @param[in]  end        ending bin location
- * @param[in]  fgain      fast gain (estimated signal-to-mask ratio)
+ * @param[in]  fast_gain  fast gain (estimated signal-to-mask ratio)
  * @param[in]  is_lfe     whether or not the channel being processed is the LFE
- * @param[in]  deltbae    delta bit allocation exists (none, reuse, or new)
- * @param[in]  deltnseg   number of delta segments
- * @param[in]  deltoffst  location offsets for each segment
- * @param[in]  deltlen    length of each segment
- * @param[in]  deltba     delta bit allocation for each segment
+ * @param[in]  dba_mode     delta bit allocation mode (none, reuse, or new)
+ * @param[in]  dba_nsegs    number of delta segments
+ * @param[in]  dba_offsets  location offsets for each segment
+ * @param[in]  dba_lengths  length of each segment
+ * @param[in]  dba_values   delta bit allocation for each segment
  * @param[out] mask       calculated masking curve
  */
-void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *bndpsd,
-                                int start, int end, int fgain, int is_lfe,
-                                int deltbae, int deltnseg, uint8_t *deltoffst,
-                                uint8_t *deltlen, uint8_t *deltba,
+void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd,
+                                int start, int end, int fast_gain, int is_lfe,
+                                int dba_mode, int dba_nsegs, uint8_t *dba_offsets,
+                                uint8_t *dba_lengths, uint8_t *dba_values,
                                 int16_t *mask);
 
 /**
@@ -159,17 +159,18 @@ void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *bndpsd,
  * @param[in]  psd        signal power for each frequency bin
  * @param[in]  start      starting bin location
  * @param[in]  end        ending bin location
- * @param[in]  snroffset  SNR adjustment
+ * @param[in]  snr_offset SNR adjustment
  * @param[in]  floor      noise floor
  * @param[out] bap        bit allocation pointers
  */
 void ff_ac3_bit_alloc_calc_bap(int16_t *mask, int16_t *psd, int start, int end,
-                               int snroffset, int floor, uint8_t *bap);
+                               int snr_offset, int floor, uint8_t *bap);
 
 void ac3_parametric_bit_allocation(AC3BitAllocParameters *s, uint8_t *bap,
                                    int8_t *exp, int start, int end,
-                                   int snroffset, int fgain, int is_lfe,
-                                   int deltbae,int deltnseg,
-                                   uint8_t *deltoffst, uint8_t *deltlen, uint8_t *deltba);
+                                   int snr_offset, int fast_gain, int is_lfe,
+                                   int dba_mode, int dba_nsegs,
+                                   uint8_t *dba_offsets, uint8_t *dba_lengths,
+                                   uint8_t *dba_values);
 
 #endif /* FFMPEG_AC3_H */
-- 
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