Remove unused TwoTrack process mode from AudioMixer

Legacy code that has not been hooked up.

Change-Id: Ic01a4eddfa1020089d5bc42f58b6a4697698c27a

1 files changed, 0 insertions, 103 deletions

diff --git a/services/audioflinger/AudioMixer.cpp b/services/audioflinger/AudioMixer.cpp
index 6edca1b..7ac2c0c 100644
--- a/services/audioflinger/AudioMixer.cpp
+++ b/services/audioflinger/AudioMixer.cpp
@@ -1797,109 +1797,6 @@ void AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state,
     }
 }
 
-#if 0
-// 2 tracks is also a common case
-// NEVER used in current implementation of process__validate()
-// only use if the 2 tracks have the same output buffer
-void AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state,
-                                                            int64_t pts)
-{
-    int i;
-    uint32_t en = state->enabledTracks;
-
-    i = 31 - __builtin_clz(en);
-    const track_t& t0 = state->tracks[i];
-    AudioBufferProvider::Buffer& b0(t0.buffer);
-
-    en &= ~(1<<i);
-    i = 31 - __builtin_clz(en);
-    const track_t& t1 = state->tracks[i];
-    AudioBufferProvider::Buffer& b1(t1.buffer);
-
-    const int16_t *in0;
-    const int16_t vl0 = t0.volume[0];
-    const int16_t vr0 = t0.volume[1];
-    size_t frameCount0 = 0;
-
-    const int16_t *in1;
-    const int16_t vl1 = t1.volume[0];
-    const int16_t vr1 = t1.volume[1];
-    size_t frameCount1 = 0;
-
-    //FIXME: only works if two tracks use same buffer
-    int32_t* out = t0.mainBuffer;
-    size_t numFrames = state->frameCount;
-    const int16_t *buff = NULL;
-
-
-    while (numFrames) {
-
-        if (frameCount0 == 0) {
-            b0.frameCount = numFrames;
-            int64_t outputPTS = calculateOutputPTS(t0, pts,
-                                                   out - t0.mainBuffer);
-            t0.bufferProvider->getNextBuffer(&b0, outputPTS);
-            if (b0.i16 == NULL) {
-                if (buff == NULL) {
-                    buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount];
-                }
-                in0 = buff;
-                b0.frameCount = numFrames;
-            } else {
-                in0 = b0.i16;
-            }
-            frameCount0 = b0.frameCount;
-        }
-        if (frameCount1 == 0) {
-            b1.frameCount = numFrames;
-            int64_t outputPTS = calculateOutputPTS(t1, pts,
-                                                   out - t0.mainBuffer);
-            t1.bufferProvider->getNextBuffer(&b1, outputPTS);
-            if (b1.i16 == NULL) {
-                if (buff == NULL) {
-                    buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount];
-                }
-                in1 = buff;
-                b1.frameCount = numFrames;
-            } else {
-                in1 = b1.i16;
-            }
-            frameCount1 = b1.frameCount;
-        }
-
-        size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1;
-
-        numFrames -= outFrames;
-        frameCount0 -= outFrames;
-        frameCount1 -= outFrames;
-
-        do {
-            int32_t l0 = *in0++;
-            int32_t r0 = *in0++;
-            l0 = mul(l0, vl0);
-            r0 = mul(r0, vr0);
-            int32_t l = *in1++;
-            int32_t r = *in1++;
-            l = mulAdd(l, vl1, l0) >> 12;
-            r = mulAdd(r, vr1, r0) >> 12;
-            // clamping...
-            l = clamp16(l);
-            r = clamp16(r);
-            *out++ = (r<<16) | (l & 0xFFFF);
-        } while (--outFrames);
-
-        if (frameCount0 == 0) {
-            t0.bufferProvider->releaseBuffer(&b0);
-        }
-        if (frameCount1 == 0) {
-            t1.bufferProvider->releaseBuffer(&b1);
-        }
-    }
-
-    delete [] buff;
-}
-#endif
-
 int64_t AudioMixer::calculateOutputPTS(const track_t& t, int64_t basePTS,
                                        int outputFrameIndex)
 {