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ippStsAacPcmModeErr
This is one of the AAC statuses that can involve the decoder output contract rather than only compressed syntax. It points to an invalid PCM output interleaving indicator or mode requested by the caller.
Verify whether the IPP function expects planar or interleaved PCM and whether the provided channel buffers match that mode. A valid AAC bitstream can still fail if the output mode is inconsistent.
Check
- The PCM interleaving or planar-output flag passed to the IPP wrapper.
- The number of output channel buffers and their strides.
- Whether the wrapper reused a mode from a different stream configuration.
Intel IPP Error Reporting · FFmpeg AAC decoder source · FFmpeg ADTS header parser
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