X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fpcm_tablegen.h;h=7274c3cd1722e95725466e4600e3b875d24b48b6;hb=f01286957ee2a2a6cafcdaa909f7c355427d32db;hp=d8763abc40d1c7d608408a05f7a6bd0d60e25396;hpb=a024c3ce9a502849013a4aa2c0a6de0c9270261c;p=ffmpeg diff --git a/libavcodec/pcm_tablegen.h b/libavcodec/pcm_tablegen.h index d8763abc40d..7274c3cd172 100644 --- a/libavcodec/pcm_tablegen.h +++ b/libavcodec/pcm_tablegen.h @@ -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