[FFmpeg-cvslog] r13816 - trunk/libavcodec/g726.c
michael
subversion
Thu Jun 19 12:52:48 CEST 2008
Author: michael
Date: Thu Jun 19 12:52:47 2008
New Revision: 13816
Log:
Get rid of G726Tables.bits.
Modified:
trunk/libavcodec/g726.c
Modified: trunk/libavcodec/g726.c
==============================================================================
--- trunk/libavcodec/g726.c (original)
+++ trunk/libavcodec/g726.c Thu Jun 19 12:52:47 2008
@@ -63,7 +63,6 @@ static inline int sgn(int value)
}
typedef struct G726Tables {
- int bits; /**< bits per sample */
const int* quant; /**< quantization table */
const int16_t* iquant; /**< inverse quantization table */
const int16_t* W; /**< special table #1 ;-) */
@@ -139,10 +138,10 @@ static const uint8_t F_tbl40[] =
6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
static const G726Tables G726Tables_pool[] =
- {{ 2, quant_tbl16, iquant_tbl16, W_tbl16, F_tbl16 },
- { 3, quant_tbl24, iquant_tbl24, W_tbl24, F_tbl24 },
- { 4, quant_tbl32, iquant_tbl32, W_tbl32, F_tbl32 },
- { 5, quant_tbl40, iquant_tbl40, W_tbl40, F_tbl40 }};
+ {{ quant_tbl16, iquant_tbl16, W_tbl16, F_tbl16 },
+ { quant_tbl24, iquant_tbl24, W_tbl24, F_tbl24 },
+ { quant_tbl32, iquant_tbl32, W_tbl32, F_tbl32 },
+ { quant_tbl40, iquant_tbl40, W_tbl40, F_tbl40 }};
/**
@@ -165,7 +164,7 @@ static inline uint8_t quant(G726Context*
if (sign)
i = ~i;
- if (c->tbls.bits != 2 && i == 0) /* I'm not sure this is a good idea */
+ if (c->code_size != 2 && i == 0) /* I'm not sure this is a good idea */
i = 0xff;
return i;
@@ -188,7 +187,7 @@ static int16_t g726_decode(G726Context*
{
int dq, re_signal, pk0, fa1, i, tr, ylint, ylfrac, thr2, al, dq0;
Float11 f;
- int I_sig= I >> (c->tbls.bits - 1);
+ int I_sig= I >> (c->code_size - 1);
dq = inverse_quant(c, I);
@@ -290,7 +289,7 @@ static int16_t g726_encode(G726Context*
{
uint8_t i;
- i = quant(c, sig/4 - c->se) & ((1<<c->tbls.bits) - 1);
+ i = quant(c, sig/4 - c->se) & ((1<<c->code_size) - 1);
g726_decode(c, i);
return i;
}
@@ -316,7 +315,7 @@ static av_cold int g726_init(AVCodecCont
return -1;
}
g726_reset(c, index);
- c->code_size = c->tbls.bits;
+ c->code_size = index+2;
avctx->coded_frame = avcodec_alloc_frame();
if (!avctx->coded_frame)
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