84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
#ifndef INCLUDED_IMF_COMPRESSION_H
|
|
#define INCLUDED_IMF_COMPRESSION_H
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// enum Compression
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
#include "ImfNamespace.h"
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
|
|
|
|
enum Compression
|
|
{
|
|
NO_COMPRESSION = 0, // no compression
|
|
|
|
RLE_COMPRESSION = 1, // run length encoding
|
|
|
|
ZIPS_COMPRESSION = 2, // zlib compression, one scan line at a time
|
|
|
|
ZIP_COMPRESSION = 3, // zlib compression, in blocks of 16 scan lines
|
|
|
|
PIZ_COMPRESSION = 4, // piz-based wavelet compression
|
|
|
|
PXR24_COMPRESSION = 5, // lossy 24-bit float compression
|
|
|
|
B44_COMPRESSION = 6, // lossy 4-by-4 pixel block compression,
|
|
// fixed compression rate
|
|
|
|
B44A_COMPRESSION = 7, // lossy 4-by-4 pixel block compression,
|
|
// flat fields are compressed more
|
|
|
|
DWAA_COMPRESSION = 8, // lossy DCT based compression, in blocks
|
|
// of 32 scanlines. More efficient for partial
|
|
// buffer access.
|
|
|
|
DWAB_COMPRESSION = 9, // lossy DCT based compression, in blocks
|
|
// of 256 scanlines. More efficient space
|
|
// wise and faster to decode full frames
|
|
// than DWAA_COMPRESSION.
|
|
|
|
NUM_COMPRESSION_METHODS // number of different compression methods
|
|
};
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
|
|
|
|
|
|
#endif
|