[FFmpeg-soc] [soc]: r2284 - in eac3: ac3dec.h eac3dec.c
jbr
subversion at mplayerhq.hu
Sat May 31 17:55:29 CEST 2008
Author: jbr
Date: Sat May 31 17:55:29 2008
New Revision: 2284
Log:
move gaq_gain out of decode context and make it local
Modified:
eac3/ac3dec.h
eac3/eac3dec.c
Modified: eac3/ac3dec.h
==============================================================================
--- eac3/ac3dec.h (original)
+++ eac3/ac3dec.h Sat May 31 17:55:29 2008
@@ -98,7 +98,6 @@ typedef struct AC3DecodeContext {
///@defgroup aht Adaptive Hybrid Transform
int channel_uses_aht[AC3_MAX_CHANNELS]; ///< Channel AHT in use (chahtinu)
- int gaq_gain[256]; ///< Gain adaptive quantization gain
int pre_mantissa[6][AC3_MAX_CHANNELS][256]; ///< Pre-IDCT mantissas
///@}
Modified: eac3/eac3dec.c
==============================================================================
--- eac3/eac3dec.c (original)
+++ eac3/eac3dec.c Sat May 31 17:55:29 2008
@@ -172,6 +172,7 @@ void ff_eac3_get_transform_coeffs_aht_ch
int bin, blk, gs;
int end_bap, gaq_mode;
GetBitContext *gbc = &s->gbc;
+ int gaq_gain[AC3_MAX_COEFS];
gaq_mode = get_bits(gbc, 2);
end_bap = (gaq_mode < 2) ? 12 : 17;
@@ -183,7 +184,7 @@ void ff_eac3_get_transform_coeffs_aht_ch
gs = 0;
for (bin = s->start_freq[ch]; bin < s->end_freq[ch]; bin++) {
if (s->hebap[ch][bin] > 7 && s->hebap[ch][bin] < end_bap)
- s->gaq_gain[gs++] = get_bits1(gbc) << (gaq_mode-1);
+ gaq_gain[gs++] = get_bits1(gbc) << (gaq_mode-1);
}
} else if (gaq_mode == EAC3_GAQ_124) {
/* read 1.67-bit GAQ gain codes (3 codes in 5 bits) */
@@ -193,9 +194,9 @@ void ff_eac3_get_transform_coeffs_aht_ch
if (s->hebap[ch][bin] > 7 && s->hebap[ch][bin] < end_bap) {
if(gc++ == 2) {
int group_gain = get_bits(gbc, 5);
- s->gaq_gain[gs++] = gaq_ungroup_tab[group_gain][0];
- s->gaq_gain[gs++] = gaq_ungroup_tab[group_gain][1];
- s->gaq_gain[gs++] = gaq_ungroup_tab[group_gain][2];
+ gaq_gain[gs++] = gaq_ungroup_tab[group_gain][0];
+ gaq_gain[gs++] = gaq_ungroup_tab[group_gain][1];
+ gaq_gain[gs++] = gaq_ungroup_tab[group_gain][2];
gc = 0;
}
}
@@ -221,7 +222,7 @@ void ff_eac3_get_transform_coeffs_aht_ch
/* Gain Adaptive Quantization */
int gbits, log_gain;
if (gaq_mode != EAC3_GAQ_NO && hebap < end_bap) {
- log_gain = s->gaq_gain[gs++];
+ log_gain = gaq_gain[gs++];
} else {
log_gain = 0;
}
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