configuring HEVC tiles in sample_encode R3 2017 release.

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configuring HEVC tiles in sample_encode R3 2017 release.

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I have tried using the mfxExtHEVCTiles structure as mentioned in the API document . I have made a few changes in the sample_encode (R3 2107-version) to control the number of tiles in the picture but for any value above 1 for NumTileRows or NumTileColumns I get an error during query under alloc. The error is MFX_ERR_UNSUPPORTED.

Does this mean that this version of the sdk not support multiple tiles or am i doing something wrong??

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