Merge "Dump ABI for libmediametrics"
diff --git a/media/codec2/components/aac/C2SoftAacEnc.cpp b/media/codec2/components/aac/C2SoftAacEnc.cpp
index 8e3852c..1dc676b 100644
--- a/media/codec2/components/aac/C2SoftAacEnc.cpp
+++ b/media/codec2/components/aac/C2SoftAacEnc.cpp
@@ -157,7 +157,7 @@
       mSentCodecSpecificData(false),
       mInputTimeSet(false),
       mInputSize(0),
-      mInputTimeUs(0),
+      mNextFrameTimestampUs(0),
       mSignalledError(false),
       mOutIndex(0u) {
 }
@@ -183,7 +183,7 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
     mSignalledError = false;
     return C2_OK;
 }
@@ -201,7 +201,7 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
     return C2_OK;
 }
 
@@ -365,17 +365,18 @@
         capacity = view.capacity();
     }
     if (!mInputTimeSet && capacity > 0) {
-        mInputTimeUs = work->input.ordinal.timestamp;
+        mNextFrameTimestampUs = work->input.ordinal.timestamp;
         mInputTimeSet = true;
     }
 
     size_t numFrames = (capacity + mInputSize + (eos ? mNumBytesPerInputFrame - 1 : 0))
             / mNumBytesPerInputFrame;
-    ALOGV("capacity = %zu; mInputSize = %zu; numFrames = %zu mNumBytesPerInputFrame = %u",
-          capacity, mInputSize, numFrames, mNumBytesPerInputFrame);
+    ALOGV("capacity = %zu; mInputSize = %zu; numFrames = %zu "
+          "mNumBytesPerInputFrame = %u inputTS = %lld",
+          capacity, mInputSize, numFrames,
+          mNumBytesPerInputFrame, work->input.ordinal.timestamp.peekll());
 
     std::shared_ptr<C2LinearBlock> block;
-    std::shared_ptr<C2Buffer> buffer;
     std::unique_ptr<C2WriteView> wView;
     uint8_t *outPtr = temp;
     size_t outAvailable = 0u;
@@ -442,7 +443,11 @@
         const std::shared_ptr<C2Buffer> mBuffer;
     };
 
-    C2WorkOrdinalStruct outOrdinal = work->input.ordinal;
+    struct OutputBuffer {
+        std::shared_ptr<C2Buffer> buffer;
+        c2_cntr64_t timestampUs;
+    };
+    std::list<OutputBuffer> outputBuffers;
 
     while (encoderErr == AACENC_OK && inargs.numInSamples > 0) {
         if (numFrames && !block) {
@@ -473,29 +478,22 @@
                                   &outargs);
 
         if (encoderErr == AACENC_OK) {
-            if (buffer) {
-                outOrdinal.frameIndex = mOutIndex++;
-                outOrdinal.timestamp = mInputTimeUs;
-                cloneAndSend(
-                        inputIndex,
-                        work,
-                        FillWork(C2FrameData::FLAG_INCOMPLETE, outOrdinal, buffer));
-                buffer.reset();
-            }
-
             if (outargs.numOutBytes > 0) {
                 mInputSize = 0;
                 int consumed = (capacity / sizeof(int16_t)) - inargs.numInSamples
                         + outargs.numInSamples;
-                mInputTimeUs = work->input.ordinal.timestamp
+                c2_cntr64_t currentFrameTimestampUs = mNextFrameTimestampUs;
+                mNextFrameTimestampUs = work->input.ordinal.timestamp
                         + (consumed * 1000000ll / channelCount / sampleRate);
-                buffer = createLinearBuffer(block, 0, outargs.numOutBytes);
+                std::shared_ptr<C2Buffer> buffer = createLinearBuffer(block, 0, outargs.numOutBytes);
 #if defined(LOG_NDEBUG) && !LOG_NDEBUG
                 hexdump(outPtr, std::min(outargs.numOutBytes, 256));
 #endif
                 outPtr = temp;
                 outAvailable = 0;
                 block.reset();
+
+                outputBuffers.push_back({buffer, currentFrameTimestampUs});
             } else {
                 mInputSize += outargs.numInSamples * sizeof(int16_t);
             }
@@ -506,8 +504,9 @@
                 inargs.numInSamples -= outargs.numInSamples;
             }
         }
-        ALOGV("encoderErr = %d mInputSize = %zu inargs.numInSamples = %d, mInputTimeUs = %lld",
-              encoderErr, mInputSize, inargs.numInSamples, mInputTimeUs.peekll());
+        ALOGV("encoderErr = %d mInputSize = %zu "
+              "inargs.numInSamples = %d, mNextFrameTimestampUs = %lld",
+              encoderErr, mInputSize, inargs.numInSamples, mNextFrameTimestampUs.peekll());
     }
 
     if (eos && inBufferSize[0] > 0) {
@@ -542,10 +541,27 @@
                            &outargs);
     }
 
-    outOrdinal.frameIndex = mOutIndex++;
-    outOrdinal.timestamp = mInputTimeUs;
+    while (outputBuffers.size() > 1) {
+        const OutputBuffer& front = outputBuffers.front();
+        C2WorkOrdinalStruct ordinal = work->input.ordinal;
+        ordinal.frameIndex = mOutIndex++;
+        ordinal.timestamp = front.timestampUs;
+        cloneAndSend(
+                inputIndex,
+                work,
+                FillWork(C2FrameData::FLAG_INCOMPLETE, ordinal, front.buffer));
+        outputBuffers.pop_front();
+    }
+    std::shared_ptr<C2Buffer> buffer;
+    C2WorkOrdinalStruct ordinal = work->input.ordinal;
+    ordinal.frameIndex = mOutIndex++;
+    if (!outputBuffers.empty()) {
+        ordinal.timestamp = outputBuffers.front().timestampUs;
+        buffer = outputBuffers.front().buffer;
+    }
+    // Mark the end of frame
     FillWork((C2FrameData::flags_t)(eos ? C2FrameData::FLAG_END_OF_STREAM : 0),
-             outOrdinal, buffer)(work);
+             ordinal, buffer)(work);
 }
 
 c2_status_t C2SoftAacEnc::drain(
@@ -569,7 +585,7 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
 
     // TODO: we don't have any pending work at this time to drain.
     return C2_OK;
diff --git a/media/codec2/components/aac/C2SoftAacEnc.h b/media/codec2/components/aac/C2SoftAacEnc.h
index a38be19..2655039 100644
--- a/media/codec2/components/aac/C2SoftAacEnc.h
+++ b/media/codec2/components/aac/C2SoftAacEnc.h
@@ -56,7 +56,7 @@
     bool mSentCodecSpecificData;
     bool mInputTimeSet;
     size_t mInputSize;
-    c2_cntr64_t mInputTimeUs;
+    c2_cntr64_t mNextFrameTimestampUs;
 
     bool mSignalledError;
     std::atomic_uint64_t mOutIndex;
diff --git a/media/extractors/ogg/OggExtractor.cpp b/media/extractors/ogg/OggExtractor.cpp
index 72b94bb..298dab1 100644
--- a/media/extractors/ogg/OggExtractor.cpp
+++ b/media/extractors/ogg/OggExtractor.cpp
@@ -1062,8 +1062,15 @@
     size_t size = buffer->range_length();
 
     if (size < kOpusHeaderSize
-            || memcmp(data, "OpusHead", 8)
-            || /* version = */ data[8] != 1) {
+            || memcmp(data, "OpusHead", 8)) {
+        return AMEDIA_ERROR_MALFORMED;
+    }
+    // allow both version 0 and 1. Per the opus specification:
+    // An earlier draft of the specification described a version 0, but the only difference
+    // between version 1 and version 0 is that version 0 did not specify the semantics for
+    // handling the version field
+    if ( /* version = */ data[8] > 1) {
+        ALOGW("no support for opus version %d", data[8]);
         return AMEDIA_ERROR_MALFORMED;
     }
 
diff --git a/media/libeffects/lvm/lib/Common/lib/VectorArithmetic.h b/media/libeffects/lvm/lib/Common/lib/VectorArithmetic.h
index 7468a90..10eedd9 100644
--- a/media/libeffects/lvm/lib/Common/lib/VectorArithmetic.h
+++ b/media/libeffects/lvm/lib/Common/lib/VectorArithmetic.h
@@ -53,6 +53,7 @@
                                  LVM_INT16 NrFrames,
                                  LVM_INT32 NrChannels);
 void Copy_Float_Stereo_Mc(       const LVM_FLOAT *src,
+                                 LVM_FLOAT *StereoOut,
                                  LVM_FLOAT *dst,
                                  LVM_INT16 NrFrames,
                                  LVM_INT32 NrChannels);
diff --git a/media/libeffects/lvm/lib/Common/src/Copy_16.c b/media/libeffects/lvm/lib/Common/src/Copy_16.c
index 3858450..3eb3c14 100644
--- a/media/libeffects/lvm/lib/Common/src/Copy_16.c
+++ b/media/libeffects/lvm/lib/Common/src/Copy_16.c
@@ -117,30 +117,31 @@
     }
 }
 
-// Merge a multichannel source with stereo contained in dst, to dst.
+// Merge a multichannel source with stereo contained in StereoOut, to dst.
 void Copy_Float_Stereo_Mc(const LVM_FLOAT *src,
+                 LVM_FLOAT *StereoOut,
                  LVM_FLOAT *dst,
                  LVM_INT16 NrFrames, /* Number of frames*/
                  LVM_INT32 NrChannels)
 {
     LVM_INT16 ii, jj;
-    LVM_FLOAT *src_st = dst + 2 * (NrFrames - 1);
 
-    // repack dst which carries stereo information
+    // pack dst with stereo information of StereoOut
     // together with the upper channels of src.
+    StereoOut += 2 * (NrFrames - 1);
     dst += NrChannels * (NrFrames - 1);
     src += NrChannels * (NrFrames - 1);
     for (ii = NrFrames; ii != 0; ii--)
     {
-        dst[1] = src_st[1];
-        dst[0] = src_st[0]; // copy 1 before 0 is required for NrChannels == 3.
+        dst[1] = StereoOut[1];
+        dst[0] = StereoOut[0]; // copy 1 before 0 is required for NrChannels == 3.
         for (jj = 2; jj < NrChannels; jj++)
         {
             dst[jj] = src[jj];
         }
         dst    -= NrChannels;
         src    -= NrChannels;
-        src_st -= 2;
+        StereoOut -= 2;
     }
 }
 #endif
diff --git a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Private.h b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Private.h
index ab8ccd1..c8df8e4 100644
--- a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Private.h
+++ b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Private.h
@@ -60,7 +60,11 @@
 #define LVCS_COMPGAINFRAME          64          /* Compressor gain update interval */
 
 /* Memory */
+#ifdef SUPPORT_MC
+#define LVCS_SCRATCHBUFFERS              8      /* Number of buffers required for inplace processing */
+#else
 #define LVCS_SCRATCHBUFFERS              6      /* Number of buffers required for inplace processing */
+#endif
 #ifdef SUPPORT_MC
 /*
  * The Concert Surround module applies processing only on the first two
diff --git a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Process.c b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Process.c
index ef1d9eb..56fb04f 100644
--- a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Process.c
+++ b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Process.c
@@ -106,7 +106,7 @@
      * The Concert Surround module carries out processing only on L, R.
      */
     pInput = pScratch + (2 * NrFrames);
-    pStIn  = pScratch + (LVCS_SCRATCHBUFFERS * NrFrames);
+    pStIn  = pScratch + ((LVCS_SCRATCHBUFFERS - 2) * NrFrames);
     /* The first two channel data is extracted from the input data and
      * copied into pInput buffer
      */
@@ -303,13 +303,45 @@
      */
     if (pInstance->Params.OperatingMode != LVCS_OFF)
     {
+#ifdef SUPPORT_MC
+        LVM_FLOAT *pStereoOut;
+        /*
+         * LVCS_Process_CS uses output buffer to store intermediate outputs of StereoEnhancer,
+         * Equalizer, ReverbGenerator and BypassMixer.
+         * So, to avoid i/o data overlapping, when i/o buffers are common, use scratch buffer
+         * to store intermediate outputs.
+         */
+        if (pOutData == pInData)
+        {
+          /*
+           * Scratch memory is used in 4 chunks of (2 * NrFrames) size.
+           * First chunk of memory is used by LVCS_StereoEnhancer and LVCS_ReverbGenerator,
+           * second and fourth are used as input buffers by pInput and pStIn in LVCS_Process_CS.
+           * Hence, pStereoOut is pointed to use unused third portion of scratch memory.
+           */
+            pStereoOut = (LVM_FLOAT *) \
+                          pInstance->MemoryTable. \
+                          Region[LVCS_MEMREGION_TEMPORARY_FAST].pBaseAddress +
+                          ((LVCS_SCRATCHBUFFERS - 4) * NrFrames);
+        }
+        else
+        {
+            pStereoOut = pOutData;
+        }
+
         /*
          * Call CS process function
          */
             err = LVCS_Process_CS(hInstance,
                                   pInData,
+                                  pStereoOut,
+                                  NrFrames);
+#else
+            err = LVCS_Process_CS(hInstance,
+                                  pInData,
                                   pOutData,
                                   NumSamples);
+#endif
 
 
         /*
@@ -329,10 +361,17 @@
 
             if(NumSamples < LVCS_COMPGAINFRAME)
             {
+#ifdef SUPPORT_MC
+                NonLinComp_Float(Gain,                    /* Compressor gain setting */
+                                 pStereoOut,
+                                 pStereoOut,
+                                 (LVM_INT32)(2 * NrFrames));
+#else
                 NonLinComp_Float(Gain,                    /* Compressor gain setting */
                                  pOutData,
                                  pOutData,
                                  (LVM_INT32)(2 * NumSamples));
+#endif
             }
             else
             {
@@ -361,7 +400,11 @@
 
                 FinalGain = Gain;
                 Gain = pInstance->CompressGain;
+#ifdef SUPPORT_MC
+                pOutPtr = pStereoOut;
+#else
                 pOutPtr = pOutData;
+#endif
 
                 while(SampleToProcess > 0)
                 {
@@ -428,6 +471,7 @@
         }
 #ifdef SUPPORT_MC
         Copy_Float_Stereo_Mc(pInData,
+                             pStereoOut,
                              pOutData,
                              NrFrames,
                              channels);