[FFmpeg-cvslog] r15838 - trunk/libavcodec/qcelpdec.c

reynaldo subversion
Sun Nov 16 01:57:07 CET 2008


Author: reynaldo
Date: Sun Nov 16 01:57:06 2008
New Revision: 15838

Log:
Cosmetics

Modified:
   trunk/libavcodec/qcelpdec.c

Modified: trunk/libavcodec/qcelpdec.c
==============================================================================
--- trunk/libavcodec/qcelpdec.c	(original)
+++ trunk/libavcodec/qcelpdec.c	Sun Nov 16 01:57:06 2008
@@ -18,6 +18,7 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
 /**
  * @file qcelpdec.c
  * QCELP decoder
@@ -38,15 +39,13 @@
 #undef NDEBUG
 #include <assert.h>
 
-static void weighted_vector_sumf(float *out,
-                                 const float *in_a,
-                                 const float *in_b,
-                                 float weight_coeff_a,
-                                 float weight_coeff_b,
-                                 int length) {
-    int   i;
+static void weighted_vector_sumf(float *out, const float *in_a,
+                                 const float *in_b, float weight_coeff_a,
+                                 float weight_coeff_b, int length)
+{
+    int i;
 
-    for (i = 0; i < length; i++)
+    for(i=0; i<length; i++)
         out[i] = weight_coeff_a * in_a[i]
                + weight_coeff_b * in_b[i];
 }
@@ -205,25 +204,28 @@ static void apply_gain_ctrl(float *v_out
  *
  * @return filter output vector
  */
-static const float *do_pitchfilter(float memory[303],
-                                   const float v_in[160],
-                                   const float gain[4],
-                                   const uint8_t *lag,
-                                   const uint8_t pfrac[4]) {
+static const float *do_pitchfilter(float memory[303], const float v_in[160],
+                                   const float gain[4], const uint8_t *lag,
+                                   const uint8_t pfrac[4])
+{
     int         i, j;
     float       *v_lag, *v_out;
     const float *v_len;
 
     v_out = memory + 143; // Output vector starts at memory[143].
 
-    for (i = 0; i < 4; i++)
-        if (gain[i]) {
+    for(i=0; i<4; i++)
+    {
+        if(gain[i])
+        {
             v_lag = memory + 143 + 40 * i - lag[i];
-            for (v_len = v_in + 40; v_in < v_len; v_in++) {
-                if (pfrac[i]) { // If it is a fractional lag...
-                    for (j = 0, *v_out = 0.; j < 4; j++)
+            for(v_len=v_in+40; v_in<v_len; v_in++)
+            {
+                if(pfrac[i]) // If it is a fractional lag...
+                {
+                    for(j=0, *v_out=0.; j<4; j++)
                         *v_out += qcelp_hammsinc_table[j] * (v_lag[j-4] + v_lag[3-j]);
-                } else
+                }else
                     *v_out = *v_lag;
 
                 *v_out = *v_in + gain[i] * *v_out;
@@ -231,11 +233,13 @@ static const float *do_pitchfilter(float
                 v_lag++;
                 v_out++;
             }
-        } else {
+        }else
+        {
             memcpy(v_out, v_in, 40 * sizeof(float));
             v_in  += 40;
             v_out += 40;
         }
+    }
 
     memmove(memory, memory + 160, 143 * sizeof(float));
     return memory + 143;
@@ -252,47 +256,52 @@ static const float *do_pitchfilter(float
  * @param lpc float vector for the resulting LPC
  * @param subframe_num frame number in decoded stream
  */
-void interpolate_lpc(QCELPContext *q,
-                     const float *curr_lspf,
-                     float *lpc,
-                     const int subframe_num) {
+void interpolate_lpc(QCELPContext *q, const float *curr_lspf, float *lpc,
+                     const int subframe_num)
+{
     float interpolated_lspf[10];
     float weight;
 
-    if (q->framerate >= RATE_QUARTER) {
+    if(q->framerate >= RATE_QUARTER)
         weight = 0.25 * (subframe_num + 1);
-    } else if (q->framerate == RATE_OCTAVE && !subframe_num) {
+    else if(q->framerate == RATE_OCTAVE && !subframe_num)
         weight = 0.625;
-    } else {
+    else
         weight = 1.0;
-    }
 
-    if (weight != 1.0) {
-        weighted_vector_sumf(interpolated_lspf, curr_lspf, q->prev_lspf, weight, 1.0 - weight, 10);
+    if(weight != 1.0)
+    {
+        weighted_vector_sumf(interpolated_lspf, curr_lspf, q->prev_lspf,
+                             weight, 1.0 - weight, 10);
         qcelp_lspf2lpc(interpolated_lspf, lpc);
-    } else if (q->framerate >= RATE_QUARTER || (q->framerate == I_F_Q && !subframe_num))
+    }else if(q->framerate >= RATE_QUARTER || (q->framerate == I_F_Q && !subframe_num))
         qcelp_lspf2lpc(curr_lspf, lpc);
 }
 
-static int buf_size2framerate(const int buf_size) {
-    switch (buf_size) {
-    case 35:
-        return RATE_FULL;
-    case 17:
-        return RATE_HALF;
-    case  8:
-        return RATE_QUARTER;
-    case  4:
-        return RATE_OCTAVE;
-    case  1:
-        return SILENCE;
+static int buf_size2framerate(const int buf_size)
+{
+    switch(buf_size)
+    {
+        case 35:
+            return RATE_FULL;
+        case 17:
+            return RATE_HALF;
+        case  8:
+            return RATE_QUARTER;
+        case  4:
+            return RATE_OCTAVE;
+        case  1:
+            return SILENCE;
     }
+
     return -1;
 }
 
 static void warn_insufficient_frame_quality(AVCodecContext *avctx,
-                                            const char *message) {
-    av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n", avctx->frame_number, message);
+                                            const char *message)
+{
+    av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n", avctx->frame_number,
+           message);
 }
 
 AVCodec qcelp_decoder =




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