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Commit a9ba8477 authored by Dichen Zhang's avatar Dichen Zhang Committed by Android (Google) Code Review
Browse files

Merge "jpegrecoverymap: applyRecovery optimizations"

parents 1b1a2cc1 a5ddcc26

libs/jpegrecoverymap/recoverymapmath.cpp

+2 −8
Original line number Diff line number Diff line
@@ -294,15 +294,9 @@ uint8_t encodeRecovery(float y_sdr, float y_hdr, float hdr_ratio) { 
  return static_cast<uint8_t>(log2(gain) / log2(hdr_ratio) * 127.5f  + 127.5f);

}



static float applyRecovery(float e, float recovery, float hdr_ratio) {

  if (e <= 0.0f) return 0.0f;

  return e * pow(hdr_ratio, recovery);

}



Color applyRecovery(Color e, float recovery, float hdr_ratio) {

  return {{{ applyRecovery(e.r, recovery, hdr_ratio),

             applyRecovery(e.g, recovery, hdr_ratio),

             applyRecovery(e.b, recovery, hdr_ratio) }}};

  float recoveryFactor = pow(hdr_ratio, recovery);

  return e * recoveryFactor;

}



Color getYuv420Pixel(jr_uncompressed_ptr image, size_t x, size_t y) {