No-op: remove all trailing whitespace.

[dcpomatic.git] / src / lib / audio_filter.cc

diff --git a/src/lib/audio_filter.cc b/src/lib/audio_filter.cc
index dbef25201c642f29f25ad2f8e6336cffa3b5b072..2cf1cf6047ac4b3e00adb5d6812ac8bd1ad5061f 100644 (file)
--- a/src/lib/audio_filter.cc
+++ b/src/lib/audio_filter.cc
@@ -29,9 +29,9 @@ vector<float>
 AudioFilter::sinc_blackman (float cutoff, bool invert) const
 {
        vector<float> ir (_M + 1);
-       
+
        /* Impulse response */
-       
+
        for (int i = 0; i <= _M; ++i) {
                if (i == (_M / 2)) {
                        ir[i] = 2 * M_PI * cutoff;
@@ -42,27 +42,27 @@ AudioFilter::sinc_blackman (float cutoff, bool invert) const
                        ir[i] *= (0.42 - 0.5 * cos (2 * M_PI * i / _M) + 0.08 * cos (4 * M_PI * i / _M));
                }
        }
-       
+
        /* Normalise */
-       
+
        float sum = 0;
        for (int i = 0; i <= _M; ++i) {
                sum += ir[i];
        }
-       
+
        for (int i = 0; i <= _M; ++i) {
                ir[i] /= sum;
        }
-       
+
        /* Frequency inversion (swapping low-pass for high-pass, or whatever) */
-       
+
        if (invert) {
                for (int i = 0; i <= _M; ++i) {
                        ir[i] = -ir[i];
                }
                ir[_M / 2] += 1;
        }
-       
+
        return ir;
 }
 
@@ -70,12 +70,12 @@ shared_ptr<AudioBuffers>
 AudioFilter::run (shared_ptr<AudioBuffers> in)
 {
        shared_ptr<AudioBuffers> out (new AudioBuffers (in->channels(), in->frames()));
-       
+
        if (!_tail) {
                _tail.reset (new AudioBuffers (in->channels(), _M + 1));
                _tail->make_silent ();
        }
-       
+
        for (int i = 0; i < in->channels(); ++i) {
                for (int j = 0; j < in->frames(); ++j) {
                        float s = 0;
@@ -86,17 +86,17 @@ AudioFilter::run (shared_ptr<AudioBuffers> in)
                                        s += in->data(i)[j - k] * _ir[k];
                                }
                        }
-                       
+
                        out->data(i)[j] = s;
                }
        }
-       
+
        int const amount = min (in->frames(), _tail->frames());
        if (amount < _tail->frames ()) {
                _tail->move (amount, 0, _tail->frames() - amount);
        }
        _tail->copy_from (in.get(), amount, in->frames() - amount, _tail->frames () - amount);
-       
+
        return out;
 }
 
@@ -124,16 +124,16 @@ BandPassAudioFilter::BandPassAudioFilter (float transition_bandwidth, float lowe
 {
        vector<float> lpf = sinc_blackman (lower, false);
        vector<float> hpf = sinc_blackman (higher, true);
-       
+
        _ir.resize (_M + 1);
        for (int i = 0; i <= _M; ++i) {
                _ir[i] = lpf[i] + hpf[i];
        }
-       
+
        /* We now have a band-stop, so invert for band-pass */
        for (int i = 0; i <= _M; ++i) {
                _ir[i] = -_ir[i];
        }
-       
+
        _ir[_M / 2] += 1;
 }