How to convert PCM to AMR

From Forum Nokia Wiki

// Uid of PCM16toAMR codec is 0x101FAF68
CMMFCodec* codec = CMMFCodec::NewL(TUid::Uid(0x101FAF68));
CleanupStack::PushL(codec);
CMMFDescriptorBuffer* srcbuf = CMMFDescriptorBuffer::NewL(320);
CleanupStack::PushL(srcbuf);
// Copy your PCM frame data into srcbuf, for example: srcbuf->Data().Copy(pcmbuf);
CMMFDescriptorBuffer* dstbuf = CMMFDescriptorBuffer::NewL(32);
CleanupStack::PushL(dstbuf);
TCodecProcessResult result = codec->ProcessL(*srcbuf, *dstbuf):
// now the dstbuf contains an AMR frame data
CleanupStack::PopAndDestroy(dstbuf);
CleanupStack::PopAndDestroy(srcbuf);
CleanupStack::PopAndDestroy(codec);

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