Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(3)

Unified Diff: src/analysis.c

Issue 107243004: Updating Opus to release 1.1 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus
Patch Set: Created 7 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/analysis.h ('k') | src/mlp.c » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/analysis.c
diff --git a/src/analysis.c b/src/analysis.c
index 53247df93241488a01fe83b9e6c8fddce99b9403..778a62aabfc29470c5c6b4f51b6ef97852ca3d8e 100644
--- a/src/analysis.c
+++ b/src/analysis.c
@@ -115,7 +115,7 @@ static const int extra_bands[NB_TOT_BANDS+1] = {
#define cB 0.67848403f
#define cC 0.08595542f
#define cE ((float)M_PI/2)
-static inline float fast_atan2f(float y, float x) {
+static OPUS_INLINE float fast_atan2f(float y, float x) {
float x2, y2;
/* Should avoid underflow on the values we'll get */
if (ABS16(x)+ABS16(y)<1e-9f)
@@ -253,10 +253,10 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
for (i=0;i<N2;i++)
{
float w = analysis_window[i];
- in[i].r = w*tonal->inmem[i];
- in[i].i = w*tonal->inmem[N2+i];
- in[N-i-1].r = w*tonal->inmem[N-i-1];
- in[N-i-1].i = w*tonal->inmem[N+N2-i-1];
+ in[i].r = (kiss_fft_scalar)(w*tonal->inmem[i]);
+ in[i].i = (kiss_fft_scalar)(w*tonal->inmem[N2+i]);
+ in[N-i-1].r = (kiss_fft_scalar)(w*tonal->inmem[N-i-1]);
+ in[N-i-1].i = (kiss_fft_scalar)(w*tonal->inmem[N+N2-i-1]);
}
OPUS_MOVE(tonal->inmem, tonal->inmem+ANALYSIS_BUF_SIZE-240, 240);
remaining = len - (ANALYSIS_BUF_SIZE-tonal->mem_fill);
@@ -270,10 +270,10 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
float angle, d_angle, d2_angle;
float angle2, d_angle2, d2_angle2;
float mod1, mod2, avg_mod;
- X1r = out[i].r+out[N-i].r;
- X1i = out[i].i-out[N-i].i;
- X2r = out[i].i+out[N-i].i;
- X2i = out[N-i].r-out[i].r;
+ X1r = (float)out[i].r+out[N-i].r;
+ X1i = (float)out[i].i-out[N-i].i;
+ X2r = (float)out[i].i+out[N-i].i;
+ X2i = (float)out[N-i].r-out[i].r;
angle = (float)(.5f/M_PI)*fast_atan2f(X1i, X1r);
d_angle = angle - A[i];
@@ -317,7 +317,6 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
}
relativeE = 0;
frame_loudness = 0;
- bandwidth_mask = 0;
for (b=0;b<NB_TBANDS;b++)
{
float E=0, tE=0, nE=0;
@@ -338,7 +337,7 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
tonal->E[tonal->E_count][b] = E;
frame_noisiness += nE/(1e-15f+E);
- frame_loudness += sqrt(E+1e-10f);
+ frame_loudness += (float)sqrt(E+1e-10f);
logE[b] = (float)log(E+1e-10f);
tonal->lowE[b] = MIN32(logE[b], tonal->lowE[b]+.01f);
tonal->highE[b] = MAX32(logE[b], tonal->highE[b]-.1f);
@@ -347,21 +346,21 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
tonal->highE[b]+=.5f;
tonal->lowE[b]-=.5f;
}
- relativeE += (logE[b]-tonal->lowE[b])/(1e-15+tonal->highE[b]-tonal->lowE[b]);
+ relativeE += (logE[b]-tonal->lowE[b])/(1e-15f+tonal->highE[b]-tonal->lowE[b]);
L1=L2=0;
for (i=0;i<NB_FRAMES;i++)
{
- L1 += sqrt(tonal->E[i][b]);
+ L1 += (float)sqrt(tonal->E[i][b]);
L2 += tonal->E[i][b];
}
- stationarity = MIN16(0.99f,L1/sqrt(1e-15+NB_FRAMES*L2));
+ stationarity = MIN16(0.99f,L1/(float)sqrt(1e-15+NB_FRAMES*L2));
stationarity *= stationarity;
stationarity *= stationarity;
frame_stationarity += stationarity;
/*band_tonality[b] = tE/(1e-15+E)*/;
- band_tonality[b] = MAX16(tE/(1e-15+E), stationarity*tonal->prev_band_tonality[b]);
+ band_tonality[b] = MAX16(tE/(1e-15f+E), stationarity*tonal->prev_band_tonality[b]);
#if 0
if (b>=NB_TONAL_SKIP_BANDS)
{
@@ -476,7 +475,7 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
tonal->mem[i] = BFCC[i];
}
for (i=0;i<9;i++)
- features[11+i] = sqrt(tonal->std[i]);
+ features[11+i] = (float)sqrt(tonal->std[i]);
features[20] = info->tonality;
features[21] = info->activity;
features[22] = frame_stationarity;
@@ -597,7 +596,6 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info_out, con
if (tonal->speech_confidence_count==0)
tonal->speech_confidence = .1f;
}
- psum = MAX16(tonal->speech_confidence, MIN16(tonal->music_confidence, psum));
}
if (tonal->last_music != (tonal->music_prob>.5f))
tonal->last_transition=0;
« no previous file with comments | « src/analysis.h ('k') | src/mlp.c » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698