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The VDCE can also do the edge padding required for supporting UMV in encoder/decoder. Do you use this in TI codecs?

April 26, 2017codecs decoder encoder padding supporting TI vdce

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The VDCE can also do the edge padding required for supporting UMV in encoder/decoder. Do you use this in TI codecs?

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No, we do not use the VDCE to do the edge padding in TI codecs. We use the EDMA and DSP for this. The reason is that if we use the VDCE, this operation will be sequential with the actual encoding/decoding of the frame (the reference obtained by padding is required to encode/decode the immediately following frame). Since it is not in parallel with the DSP or Hdvicp, using the VDCE does not give us any advantage. We also wanted the VDCE to be free to be used for any scaling/chroma conversions in the application.