libaac: Add test code for AAC encoder and decoder
-- unit test code for AAC encoder and decoder.
Change-Id: I6af9030d485dd4151a84f5f4870da4b2c4c45dfa
diff --git a/libaac/aacDecode.cpp b/libaac/aacDecode.cpp
new file mode 100644
index 0000000..44296b6
--- /dev/null
+++ b/libaac/aacDecode.cpp
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * */
+
+#include "aacDecode.h"
+#include "aacdecoder_lib.h"
+#include <utils/Log.h>
+#include <string.h>
+
+aacDecode::aacDecode() {
+ p_aacHandle = NULL;
+ p_aacInfo = NULL;
+ memset(&s_aacConfig, 0, sizeof(s_aacConfig));
+}
+
+aacDecode::~aacDecode() {
+ if(!p_aacHandle) {
+ return;
+ }
+
+ aacDecoder_Close((HANDLE_AACDECODER)p_aacHandle);
+ p_aacHandle = NULL;
+}
+
+bool aacDecode::aacConfigure(aacConfigType * p_aacConfig) {
+ if(!p_aacConfig) {
+ return false;
+ }
+
+ memcpy(&s_aacConfig, p_aacConfig, sizeof(s_aacConfig));
+
+ p_aacHandle = aacDecoder_Open(TT_MP4_ADTS, 1);
+
+ if(!p_aacHandle) {
+ ALOGE("Failed to open AAC decoder");
+ return false;
+ }
+
+ p_aacInfo = (void*)aacDecoder_GetStreamInfo((HANDLE_AACDECODER)p_aacHandle);
+
+ if(!p_aacInfo) {
+ ALOGE("Failed to get stream info");
+ return false;
+ }
+
+ /* Configure AAC decoder */
+
+ aacDecoder_SetParam((HANDLE_AACDECODER)p_aacHandle,
+ AAC_DRC_REFERENCE_LEVEL,
+ 64);
+
+ aacDecoder_SetParam((HANDLE_AACDECODER)p_aacHandle,
+ AAC_DRC_ATTENUATION_FACTOR,
+ 127);
+
+ aacDecoder_SetParam((HANDLE_AACDECODER)p_aacHandle,
+ AAC_PCM_MAX_OUTPUT_CHANNELS,
+ s_aacConfig.n_channels > 6 ? -1 : s_aacConfig.n_channels);
+ return true;
+}
+
+bool aacDecode::aacDecodeFrame(unsigned char* p_buffer, unsigned int n_size) {
+ if(!p_buffer || n_size < 7) {
+ ALOGE("No/Incorrect buffer provided for AAC decoder");
+ return false;
+ }
+
+ if(!p_aacHandle) {
+ ALOGE("Decoder handle not available");
+ return false;
+ }
+
+ AAC_DECODER_ERROR err = AAC_DEC_UNKNOWN;
+
+ UINT nSize[] = {(UINT)n_size};
+ UINT nOcc[] = {(UINT)n_size};
+ UCHAR* pBuf[] = {p_buffer};
+
+ err = aacDecoder_Fill((HANDLE_AACDECODER)p_aacHandle, pBuf, nSize, nOcc);
+
+ if(err != AAC_DEC_OK || nOcc[0] != 0) {
+ ALOGE("Error in aacDecoder_Fill");
+ return false;
+ }
+
+ /* Fix the alloc length being passed to AAC Decoder since it expects INT_PCM
+ as input buffer but we have it as UINT8. INT_PCM is of type SHORT */
+
+ int factor = sizeof(INT_PCM)/sizeof(unsigned char);
+ int allocLen = (factor == 0) ? n_size : n_size/factor;
+
+ err = aacDecoder_DecodeFrame((HANDLE_AACDECODER)p_aacHandle,
+ (INT_PCM*)p_buffer, allocLen, 0);
+
+ if(err != AAC_DEC_OK) {
+ ALOGE("Failed to decode frame");
+ return false;
+ }
+ return true;
+}