[FFmpeg-cvslog] r20049 - trunk/libavcodec/ac3.c
jbr
subversion
Sun Sep 27 08:13:02 CEST 2009
Author: jbr
Date: Sun Sep 27 08:13:01 2009
New Revision: 20049
Log:
Cosmetics: Rename some variables to be more descriptive of their use.
Modified:
trunk/libavcodec/ac3.c
Modified: trunk/libavcodec/ac3.c
==============================================================================
--- trunk/libavcodec/ac3.c Sun Sep 27 08:10:36 2009 (r20048)
+++ trunk/libavcodec/ac3.c Sun Sep 27 08:13:01 2009 (r20049)
@@ -216,7 +216,7 @@ void ff_ac3_bit_alloc_calc_bap(int16_t *
int snr_offset, int floor,
const uint8_t *bap_tab, uint8_t *bap)
{
- int i, j;
+ int bin, band;
/* special case, if snr offset is -960, set all bap's to zero */
if (snr_offset == -960) {
@@ -224,16 +224,16 @@ void ff_ac3_bit_alloc_calc_bap(int16_t *
return;
}
- i = start;
- j = bin_to_band_tab[start];
+ bin = start;
+ band = bin_to_band_tab[start];
do {
- int v = (FFMAX(mask[j] - snr_offset - floor, 0) & 0x1FE0) + floor;
- int end1 = FFMIN(band_start_tab[j] + ff_ac3_critical_band_size_tab[j], end);
- for (; i < end1; i++) {
- int address = av_clip((psd[i] - v) >> 5, 0, 63);
- bap[i] = bap_tab[address];
+ int m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor;
+ int band_end = FFMIN(band_start_tab[band] + ff_ac3_critical_band_size_tab[band], end);
+ for (; bin < band_end; bin++) {
+ int address = av_clip((psd[bin] - m) >> 5, 0, 63);
+ bap[bin] = bap_tab[address];
}
- } while (end > band_start_tab[j++]);
+ } while (end > band_start_tab[band++]);
}
/* AC-3 bit allocation. The algorithm is the one described in the AC-3
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