1 files changed, 0 insertions, 184 deletions
diff --git a/libs/audioflinger/AudioResamplerCubic.cpp b/libs/audioflinger/AudioResamplerCubic.cpp
deleted file mode 100644
index 1d247bd..0000000
--- a/libs/audioflinger/AudioResamplerCubic.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-#include <string.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-#include "AudioResampler.h"
-#include "AudioResamplerCubic.h"
-
-#define LOG_TAG "AudioSRC"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-void AudioResamplerCubic::init() {
-    memset(&left, 0, sizeof(state));
-    memset(&right, 0, sizeof(state));
-}
-
-void AudioResamplerCubic::resample(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    // should never happen, but we overflow if it does
-    // LOG_ASSERT(outFrameCount < 32767);
-
-    // select the appropriate resampler
-    switch (mChannelCount) {
-    case 1:
-        resampleMono16(out, outFrameCount, provider);
-        break;
-    case 2:
-        resampleStereo16(out, outFrameCount, provider);
-        break;
-    }
-}
-
-void AudioResamplerCubic::resampleStereo16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // fetch first buffer
-    if (mBuffer.frameCount == 0) {
-        mBuffer.frameCount = inFrameCount;
-        provider->getNextBuffer(&mBuffer);
-        if (mBuffer.raw == NULL)
-            return;
-        // LOGW("New buffer: offset=%p, frames=%dn", mBuffer.raw, mBuffer.frameCount);
-    }
-    int16_t *in = mBuffer.i16;
-
-    while (outputIndex < outputSampleCount) {
-        int32_t sample;
-        int32_t x;
-
-        // calculate output sample
-        x = phaseFraction >> kPreInterpShift;
-        out[outputIndex++] += vl * interp(&left, x);
-        out[outputIndex++] += vr * interp(&right, x);
-        // out[outputIndex++] += vr * in[inputIndex*2];
-
-        // increment phase
-        phaseFraction += phaseIncrement;
-        uint32_t indexIncrement = (phaseFraction >> kNumPhaseBits);
-        phaseFraction &= kPhaseMask;
-
-        // time to fetch another sample
-        while (indexIncrement--) {
-
-            inputIndex++;
-            if (inputIndex == mBuffer.frameCount) {
-                inputIndex = 0;
-                provider->releaseBuffer(&mBuffer);
-                mBuffer.frameCount = inFrameCount;
-                provider->getNextBuffer(&mBuffer);
-                if (mBuffer.raw == NULL)
-                    goto save_state;  // ugly, but efficient
-                in = mBuffer.i16;
-                // LOGW("New buffer: offset=%p, frames=%d\n", mBuffer.raw, mBuffer.frameCount);
-            }
-
-            // advance sample state
-            advance(&left, in[inputIndex*2]);
-            advance(&right, in[inputIndex*2+1]);
-        }
-    }
-
-save_state:
-    // LOGW("Done: index=%d, fraction=%u", inputIndex, phaseFraction);
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-void AudioResamplerCubic::resampleMono16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // fetch first buffer
-    if (mBuffer.frameCount == 0) {
-        mBuffer.frameCount = inFrameCount;
-        provider->getNextBuffer(&mBuffer);
-        if (mBuffer.raw == NULL)
-            return;
-        // LOGW("New buffer: offset=%p, frames=%d\n", mBuffer.raw, mBuffer.frameCount);
-    }
-    int16_t *in = mBuffer.i16;
-
-    while (outputIndex < outputSampleCount) {
-        int32_t sample;
-        int32_t x;
-
-        // calculate output sample
-        x = phaseFraction >> kPreInterpShift;
-        sample = interp(&left, x);
-        out[outputIndex++] += vl * sample;
-        out[outputIndex++] += vr * sample;
-
-        // increment phase
-        phaseFraction += phaseIncrement;
-        uint32_t indexIncrement = (phaseFraction >> kNumPhaseBits);
-        phaseFraction &= kPhaseMask;
-
-        // time to fetch another sample
-        while (indexIncrement--) {
-
-            inputIndex++;
-            if (inputIndex == mBuffer.frameCount) {
-                inputIndex = 0;
-                provider->releaseBuffer(&mBuffer);
-                mBuffer.frameCount = inFrameCount;
-                provider->getNextBuffer(&mBuffer);
-                if (mBuffer.raw == NULL)
-                    goto save_state;  // ugly, but efficient
-                // LOGW("New buffer: offset=%p, frames=%dn", mBuffer.raw, mBuffer.frameCount);
-                in = mBuffer.i16;
-            }
-
-            // advance sample state
-            advance(&left, in[inputIndex]);
-        }
-    }
-
-save_state:
-    // LOGW("Done: index=%d, fraction=%u", inputIndex, phaseFraction);
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-// ----------------------------------------------------------------------------
-}
-; // namespace android
-