Variable ouster::sdk::osf::DEFAULT_PNG_OSF_ZLIB_COMPRESSION_LEVEL

Variable Documentation

static int ouster::sdk::osf::DEFAULT_PNG_OSF_ZLIB_COMPRESSION_LEVEL = 1

Effect of png_set_compression(comp level):

  • (no png out): 2s, n/a

  • comp level 1: 39s, 648M (60% speedup vs default, 10% size increase)

  • comp level 2: 38s, 643M

  • comp level 3: 45s, 639M

  • comp level 4: 48s, 590M (47% speedup vs default, <1% size increase)

  • comp level 5: 61s, 589M

  • libpng default: 98s, 586M

  • comp level 9: 328s, 580M