1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmhais/videohai/devvideo/inc/sorensonspark.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,113 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Constants and structs specific to Sorenson Spark. See the DevVideo specs for more details.
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __DEVVIDEO_SORENSENSPARK_H__
1.22 +#define __DEVVIDEO_SORENSENSPARK_H__
1.23 +
1.24 +#include <e32base.h>
1.25 +
1.26 +/**
1.27 +Specifies the picture type.
1.28 +@publishedAll
1.29 +@released
1.30 +*/
1.31 +enum TSparkPictureType
1.32 + {
1.33 + /**
1.34 + Indicates a keyframe
1.35 + */
1.36 + ESparkPictureTypeKey = 0x01,
1.37 + /**
1.38 + Indicates a predicted or inter frame
1.39 + */
1.40 + ESparkPictureTypeP = 0x02,
1.41 + /**
1.42 + Indicates a predicted frame that is disposable
1.43 + */
1.44 + ESparkPictureTypeDisp = 0x04
1.45 + };
1.46 +
1.47 +/**
1.48 +Specifies action of deblocking filter
1.49 +@publishedAll
1.50 +@released
1.51 +*/
1.52 +enum TSparkDeblocking
1.53 + {
1.54 + /**
1.55 + Never deblock
1.56 + */
1.57 + EDeblockNever = 0x1,
1.58 + /**
1.59 + Always deblock
1.60 + */
1.61 + EDeblockAlways = 0x2,
1.62 + /**
1.63 + Apply deblocking as requested by video packet deblocking flag
1.64 + */
1.65 + EDeblockAsIndicated = 0x4
1.66 + };
1.67 +
1.68 +
1.69 +/**
1.70 +Settings to describe decompression
1.71 +@publishedAll
1.72 +@released
1.73 +*/
1.74 +class TSparkDecompressSettings
1.75 + {
1.76 +public:
1.77 + /**
1.78 + If this member is set to EDeblockNever the decompressor will never deblock the image even
1.79 + if the deblocking bit is set in the bitstream. If this member is set to EDeblockAlways the
1.80 + decompressor will deblock the image even if the deblocking bit not set in the bitstream.
1.81 + If this member is set to EDeblockAsIndicated then deblocking will only occur when the
1.82 + deblocking bit in the bitstream is set to 1.
1.83 + */
1.84 + TSparkDeblocking iDeblockingMethod;
1.85 + };
1.86 +
1.87 +
1.88 +/**
1.89 +Sorenson Spark video packet header
1.90 +@publishedAll
1.91 +@released
1.92 +*/
1.93 +class TSparkPictureHeader
1.94 + {
1.95 +public:
1.96 + /**
1.97 + Indicates the temporal reference, which is formed by incrementing the value in the previously transmitted
1.98 + picture header by one, plus the number of non-transmitted pictures since the previously transmitted one.
1.99 + */
1.100 + TUint iTemporalReference;
1.101 + /**
1.102 + Indicates the picture coding type. iPictureType is set according to the picture header as one of
1.103 + the values defined in TSparkPictureType
1.104 + */
1.105 + TSparkPictureType iPictureType;
1.106 + /**
1.107 + Requests use of deblocking filter
1.108 + */
1.109 + TBool Deblocking;
1.110 + /**
1.111 + Indicates the initial value of the quantization parameter
1.112 + */
1.113 + TUint iQuantizer;
1.114 + };
1.115 +
1.116 +#endif
1.117 \ No newline at end of file