mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
avcodec/pcm_tablegen: nits, reindent
This commit is contained in:
parent
e1c84856bb
commit
b6e9c23d55
@ -45,48 +45,48 @@
|
||||
/* alaw2linear() - Convert an A-law value to 16-bit linear PCM */
|
||||
static av_cold int alaw2linear(unsigned char a_val)
|
||||
{
|
||||
int t;
|
||||
int seg;
|
||||
int t;
|
||||
int seg;
|
||||
|
||||
a_val ^= 0x55;
|
||||
a_val ^= 0x55;
|
||||
|
||||
t = a_val & QUANT_MASK;
|
||||
seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT;
|
||||
if(seg) t= (t + t + 1 + 32) << (seg + 2);
|
||||
else t= (t + t + 1 ) << 3;
|
||||
t = a_val & QUANT_MASK;
|
||||
seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT;
|
||||
if(seg) t= (t + t + 1 + 32) << (seg + 2);
|
||||
else t= (t + t + 1 ) << 3;
|
||||
|
||||
return (a_val & SIGN_BIT) ? t : -t;
|
||||
return (a_val & SIGN_BIT) ? t : -t;
|
||||
}
|
||||
|
||||
static av_cold int ulaw2linear(unsigned char u_val)
|
||||
{
|
||||
int t;
|
||||
int t;
|
||||
|
||||
/* Complement to obtain normal u-law value. */
|
||||
u_val = ~u_val;
|
||||
/* Complement to obtain normal u-law value. */
|
||||
u_val = ~u_val;
|
||||
|
||||
/*
|
||||
* Extract and bias the quantization bits. Then
|
||||
* shift up by the segment number and subtract out the bias.
|
||||
*/
|
||||
t = ((u_val & QUANT_MASK) << 3) + BIAS;
|
||||
t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT;
|
||||
/*
|
||||
* Extract and bias the quantization bits. Then
|
||||
* shift up by the segment number and subtract out the bias.
|
||||
*/
|
||||
t = ((u_val & QUANT_MASK) << 3) + BIAS;
|
||||
t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT;
|
||||
|
||||
return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS);
|
||||
return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS);
|
||||
}
|
||||
|
||||
static av_cold int vidc2linear(unsigned char u_val)
|
||||
{
|
||||
int t;
|
||||
int t;
|
||||
|
||||
/*
|
||||
* Extract and bias the quantization bits. Then
|
||||
* shift up by the segment number and subtract out the bias.
|
||||
*/
|
||||
t = (((u_val & VIDC_QUANT_MASK) >> VIDC_QUANT_SHIFT) << 3) + BIAS;
|
||||
t <<= ((unsigned)u_val & VIDC_SEG_MASK) >> VIDC_SEG_SHIFT;
|
||||
/*
|
||||
* Extract and bias the quantization bits. Then
|
||||
* shift up by the segment number and subtract out the bias.
|
||||
*/
|
||||
t = (((u_val & VIDC_QUANT_MASK) >> VIDC_QUANT_SHIFT) << 3) + BIAS;
|
||||
t <<= ((unsigned)u_val & VIDC_SEG_MASK) >> VIDC_SEG_SHIFT;
|
||||
|
||||
return (u_val & VIDC_SIGN_BIT) ? (BIAS - t) : (t - BIAS);
|
||||
return (u_val & VIDC_SIGN_BIT) ? (BIAS - t) : (t - BIAS);
|
||||
}
|
||||
|
||||
#if CONFIG_HARDCODED_TABLES
|
||||
|
Loading…
Reference in New Issue
Block a user