Author: kmalaussene
Date: Thu Feb 19 22:36:55 2009
New Revision: 4099
Log:
Simplify lookup of ir_filter by using lookup tables.
Modified:
amr/amrnbfloatdec.c
Modified: amr/amrnbfloatdec.c
==============================================================================
--- amr/amrnbfloatdec.c Thu Feb 19 21:39:00 2009 (r4098)
+++ amr/amrnbfloatdec.c Thu Feb 19 22:36:55 2009 (r4099)
@@ -776,20 +776,10 @@ void do_phase_dispersion(AMRContext *p)
//FIXME: disable filtering for very low level of fixed_gain
if(p->cur_frame_mode != MODE_74 && p->cur_frame_mode < MODE_102 &&
ir_filter_strength < 2) {
- const float *ir_filter;
- // assign the correct impulse response
- if(ir_filter_strength == 1) {
- ir_filter = ir_filter_medium;
- }else {
- if(p->cur_frame_mode != MODE_795) {
- ir_filter = ir_filter_strong;
- }else {
- ir_filter = ir_filter_strong_MODE_795;
- }
- }
-
+ const float **filters = p->cur_frame_mode == MODE_795 ?
ir_filters_lookup_MODE_795
+ :
ir_filters_lookup;
// circularly convolve the fixed vector with the impulse response
- convolve_circ(p->fixed_vector, ir_filter);
+ convolve_circ(p->fixed_vector, filters[ir_filter_strength]);
}
// update ir filter strength history
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