openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-26 20:50:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

avcodec/pcm_tablegen: nits, reindent

Browse Source
This commit is contained in:
Paul B Mahol 2020-02-14 21:22:08 +01:00
parent e1c84856bb
commit b6e9c23d55
1 changed files with 26 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
libavcodec/pcm_tablegen.h
View File

@ -45,48 +45,48 @@
/* alaw2linear() - Convert an A-law value to 16-bit linear PCM */ /* alaw2linear() - Convert an A-law value to 16-bit linear PCM */
static av_cold int alaw2linear(unsigned char a_val) static av_cold int alaw2linear(unsigned char a_val)
{ {
int t; int t;
int seg; int seg;
a_val ^= 0x55; a_val ^= 0x55;
t = a_val & QUANT_MASK; t = a_val & QUANT_MASK;
seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT;
if(seg) t= (t + t + 1 + 32) << (seg + 2); if(seg) t= (t + t + 1 + 32) << (seg + 2);
else t= (t + t + 1 ) << 3; 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) static av_cold int ulaw2linear(unsigned char u_val)
{ {
int t; int t;
/* Complement to obtain normal u-law value. */ /* Complement to obtain normal u-law value. */
u_val = ~u_val; u_val = ~u_val;
/* /*
* Extract and bias the quantization bits. Then * Extract and bias the quantization bits. Then
* shift up by the segment number and subtract out the bias. * shift up by the segment number and subtract out the bias.
*/ */
t = ((u_val & QUANT_MASK) << 3) + BIAS; t = ((u_val & QUANT_MASK) << 3) + BIAS;
t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; 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) static av_cold int vidc2linear(unsigned char u_val)
{ {
int t; int t;
/* /*
* Extract and bias the quantization bits. Then * Extract and bias the quantization bits. Then
* shift up by the segment number and subtract out the bias. * shift up by the segment number and subtract out the bias.
*/ */
t = (((u_val & VIDC_QUANT_MASK) >> VIDC_QUANT_SHIFT) << 3) + BIAS; t = (((u_val & VIDC_QUANT_MASK) >> VIDC_QUANT_SHIFT) << 3) + BIAS;
t <<= ((unsigned)u_val & VIDC_SEG_MASK) >> VIDC_SEG_SHIFT; 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 #if CONFIG_HARDCODED_TABLES