shithub: libvpx

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Reset dqcoeff[0] only if eob is 1

If only the first dequantized coefficient is non-zero, reset
dqcoeff[0] to zero directly.

Change-Id: I0197ba72028a8ec436f0b1b9abcc1c0ae5d70abe

--- a/vp9/decoder/vp9_decodeframe.c

+++ b/vp9/decoder/vp9_decodeframe.c

@@ -277,7 +277,7 @@

 #endif  // CONFIG_VP9_HIGHBITDEPTH

     if (eob == 1) {

-      memset(dqcoeff, 0, 2 * sizeof(dqcoeff[0]));

+      dqcoeff[0] = 0;

     } else {

       if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)

         memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));