audioflinger/resampler: Add VERY_HIGH_QUALITY audio-resampler

Change-Id: I34f5d36ae60010ec64222d6660d10a84da3bf566
Bug: 7024293
Signed-off-by: Iliyan Malchev <malchev@google.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/services/audioflinger/audio-resampler/AudioResamplerCoefficients.cpp b/services/audioflinger/audio-resampler/AudioResamplerCoefficients.cpp
new file mode 100644
index 0000000..ade58a7
--- /dev/null
+++ b/services/audioflinger/audio-resampler/AudioResamplerCoefficients.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2012 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 <dnsampler_filter_coefficients_x128_10112011.h>
+#include <resampler_filter_coefficients_10042011.h>
+#undef LOG_TAG
+#include <utils/Log.h>
+//#include "common_log.h"
+#define LOG_TAG "ResamplerCoefficients"
+#define LOG_NDEBUG 0
+
+const int32_t RESAMPLE_FIR_NUM_COEF       = 16;
+const int32_t RESAMPLE_FIR_LERP_INT_BITS  = 7;
+
+using namespace android;
+#ifdef __cplusplus
+extern "C" {
+#endif
+const int32_t* readResamplerCoefficients(bool upSample) {
+
+    ALOGV("readResamplerCoefficients");
+    if(upSample) {
+        return resampler_filter_coefficients_10042011;
+    }
+    else {
+        return dnsampler_filter_coefficients_x128_10112011;
+   }
+
+}
+
+int32_t readResampleFirNumCoeff() {
+
+    return RESAMPLE_FIR_NUM_COEF;
+}
+
+int32_t readResampleFirLerpIntBits() {
+
+   return RESAMPLE_FIR_LERP_INT_BITS;
+}
+#ifdef __cplusplus
+}
+#endif