summaryrefslogtreecommitdiffstats
path: root/gst/equalizer/gstiirequalizer.c
diff options
context:
space:
mode:
authorThomas Vander Stichele <thomas@apestaart.org>2005-12-06 19:55:58 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2005-12-06 19:55:58 +0000
commitbdb814f6ef56edca67e1241eb16df22fdd8ab17c (patch)
tree7b43c9dfbf67b852503d263a322064f0101bf591 /gst/equalizer/gstiirequalizer.c
parent04ad447fcfa1502907339a6a68e975bb6d35536a (diff)
downloadgst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.tar.gz
gst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.tar.bz2
gst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.zip
expand tabs
Original commit message from CVS: expand tabs
Diffstat (limited to 'gst/equalizer/gstiirequalizer.c')
-rw-r--r--gst/equalizer/gstiirequalizer.c102
1 files changed, 51 insertions, 51 deletions
diff --git a/gst/equalizer/gstiirequalizer.c b/gst/equalizer/gstiirequalizer.c
index 0a4a24dc..5b19f48c 100644
--- a/gst/equalizer/gstiirequalizer.c
+++ b/gst/equalizer/gstiirequalizer.c
@@ -340,57 +340,57 @@ gst_iir_equalizer_get_property (GObject * object, guint prop_id,
/* start of code that is type specific */
-#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
-typedef struct { \
- TYPE x1, x2; /* history of input values for a filter */ \
- TYPE y1, y2; /* history of output values for a filter */ \
-} SecondOrderHistory ## TYPE; \
- \
-static inline TYPE \
-one_step_ ## TYPE (SecondOrderFilter *filter, \
- SecondOrderHistory ## TYPE *history, TYPE input) \
-{ \
- /* calculate output */ \
- TYPE output = filter->alpha * (input - history->x2) + \
- filter->gamma * history->y1 - filter->beta * history->y2; \
- /* update history */ \
- history->y2 = history->y1; \
- history->y1 = output; \
- history->x2 = history->x1; \
- history->x1 = input; \
- \
- return output; \
-} \
- \
-static const guint \
-history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
- \
-static void \
-gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
-guint size, guint channels) \
-{ \
- guint frames = size / channels / sizeof (TYPE); \
- guint i, c, f; \
- BIG_TYPE cur; \
- TYPE val; \
- \
- for (i = 0; i < frames; i++) { \
- for (c = 0; c < channels; c++) { \
- SecondOrderHistory ## TYPE *history = equ->history; \
- val = *((TYPE *) data); \
- cur = 0; \
- for (f = 0; f < equ->freq_count; f++) { \
- SecondOrderFilter *filter = &equ->filter[f]; \
- \
- cur += one_step_ ## TYPE (filter, history, val); \
- history++; \
- } \
- cur += val * 0.25; \
- cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
- *((TYPE *) data) = (TYPE) cur; \
- data += sizeof (TYPE); \
- } \
- } \
+#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
+typedef struct { \
+ TYPE x1, x2; /* history of input values for a filter */ \
+ TYPE y1, y2; /* history of output values for a filter */ \
+} SecondOrderHistory ## TYPE; \
+ \
+static inline TYPE \
+one_step_ ## TYPE (SecondOrderFilter *filter, \
+ SecondOrderHistory ## TYPE *history, TYPE input) \
+{ \
+ /* calculate output */ \
+ TYPE output = filter->alpha * (input - history->x2) + \
+ filter->gamma * history->y1 - filter->beta * history->y2; \
+ /* update history */ \
+ history->y2 = history->y1; \
+ history->y1 = output; \
+ history->x2 = history->x1; \
+ history->x1 = input; \
+ \
+ return output; \
+} \
+ \
+static const guint \
+history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
+ \
+static void \
+gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
+guint size, guint channels) \
+{ \
+ guint frames = size / channels / sizeof (TYPE); \
+ guint i, c, f; \
+ BIG_TYPE cur; \
+ TYPE val; \
+ \
+ for (i = 0; i < frames; i++) { \
+ for (c = 0; c < channels; c++) { \
+ SecondOrderHistory ## TYPE *history = equ->history; \
+ val = *((TYPE *) data); \
+ cur = 0; \
+ for (f = 0; f < equ->freq_count; f++) { \
+ SecondOrderFilter *filter = &equ->filter[f]; \
+ \
+ cur += one_step_ ## TYPE (filter, history, val); \
+ history++; \
+ } \
+ cur += val * 0.25; \
+ cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
+ *((TYPE *) data) = (TYPE) cur; \
+ data += sizeof (TYPE); \
+ } \
+ } \
}
CREATE_OPTIMIZED_FUNCTIONS (gint16, gint, -32768, 32767);