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Diffstat (limited to '')
| -rw-r--r-- | libfreerdp/codec/progressive.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/libfreerdp/codec/progressive.h b/libfreerdp/codec/progressive.h new file mode 100644 index 0000000..5c5f2a6 --- /dev/null +++ b/libfreerdp/codec/progressive.h @@ -0,0 +1,221 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Progressive Codec Bitmap Compression + * + * Copyright 2017 Armin Novak <anovak@thincast.com> + * Copyright 2017 Thincast Technologies GmbH + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef INTERNAL_CODEC_PROGRESSIVE_H +#define INTERNAL_CODEC_PROGRESSIVE_H + +#include <winpr/wlog.h> +#include <winpr/collections.h> + +#include <freerdp/codec/rfx.h> + +#define RFX_SUBBAND_DIFFING 0x01 + +#define RFX_TILE_DIFFERENCE 0x01 + +#define RFX_DWT_REDUCE_EXTRAPOLATE 0x01 + +typedef struct +{ + BYTE LL3; + BYTE HL3; + BYTE LH3; + BYTE HH3; + BYTE HL2; + BYTE LH2; + BYTE HH2; + BYTE HL1; + BYTE LH1; + BYTE HH1; +} RFX_COMPONENT_CODEC_QUANT; + +typedef struct +{ + BYTE quality; + RFX_COMPONENT_CODEC_QUANT yQuantValues; + RFX_COMPONENT_CODEC_QUANT cbQuantValues; + RFX_COMPONENT_CODEC_QUANT crQuantValues; +} RFX_PROGRESSIVE_CODEC_QUANT; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; +} PROGRESSIVE_BLOCK; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; + + UINT32 magic; + UINT16 version; +} PROGRESSIVE_BLOCK_SYNC; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; + + BYTE ctxId; + UINT16 tileSize; + BYTE flags; +} PROGRESSIVE_BLOCK_CONTEXT; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; + + BYTE quantIdxY; + BYTE quantIdxCb; + BYTE quantIdxCr; + UINT16 xIdx; + UINT16 yIdx; + + BYTE flags; + BYTE quality; + BOOL dirty; + + UINT16 yLen; + UINT16 cbLen; + UINT16 crLen; + UINT16 tailLen; + const BYTE* yData; + const BYTE* cbData; + const BYTE* crData; + const BYTE* tailData; + + UINT16 ySrlLen; + UINT16 yRawLen; + UINT16 cbSrlLen; + UINT16 cbRawLen; + UINT16 crSrlLen; + UINT16 crRawLen; + const BYTE* ySrlData; + const BYTE* yRawData; + const BYTE* cbSrlData; + const BYTE* cbRawData; + const BYTE* crSrlData; + const BYTE* crRawData; + + UINT32 x; + UINT32 y; + UINT32 width; + UINT32 height; + UINT32 stride; + + BYTE* data; + BYTE* current; + + UINT16 pass; + BYTE* sign; + + RFX_COMPONENT_CODEC_QUANT yBitPos; + RFX_COMPONENT_CODEC_QUANT cbBitPos; + RFX_COMPONENT_CODEC_QUANT crBitPos; + RFX_COMPONENT_CODEC_QUANT yQuant; + RFX_COMPONENT_CODEC_QUANT cbQuant; + RFX_COMPONENT_CODEC_QUANT crQuant; + RFX_COMPONENT_CODEC_QUANT yProgQuant; + RFX_COMPONENT_CODEC_QUANT cbProgQuant; + RFX_COMPONENT_CODEC_QUANT crProgQuant; +} RFX_PROGRESSIVE_TILE; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; + + BYTE tileSize; + UINT16 numRects; + BYTE numQuant; + BYTE numProgQuant; + BYTE flags; + UINT16 numTiles; + UINT16 usedTiles; + UINT32 tileDataSize; + RFX_RECT rects[0x10000]; + RFX_COMPONENT_CODEC_QUANT quantVals[0x100]; + RFX_PROGRESSIVE_CODEC_QUANT quantProgVals[0x100]; + RFX_PROGRESSIVE_TILE* tiles[0x10000]; +} PROGRESSIVE_BLOCK_REGION; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; + + UINT32 frameIndex; + UINT16 regionCount; + PROGRESSIVE_BLOCK_REGION* regions; +} PROGRESSIVE_BLOCK_FRAME_BEGIN; + +typedef struct +{ + UINT16 blockType; + UINT32 blockLen; +} PROGRESSIVE_BLOCK_FRAME_END; + +typedef struct +{ + UINT16 id; + UINT32 width; + UINT32 height; + UINT32 gridWidth; + UINT32 gridHeight; + UINT32 gridSize; + RFX_PROGRESSIVE_TILE** tiles; + size_t tilesSize; + UINT32 frameId; + UINT32 numUpdatedTiles; + UINT32* updatedTileIndices; +} PROGRESSIVE_SURFACE_CONTEXT; + +typedef enum +{ + FLAG_WBT_SYNC = 0x01, + FLAG_WBT_FRAME_BEGIN = 0x02, + FLAG_WBT_FRAME_END = 0x04, + FLAG_WBT_CONTEXT = 0x08, + FLAG_WBT_REGION = 0x10 +} WBT_STATE_FLAG; + +struct S_PROGRESSIVE_CONTEXT +{ + BOOL Compressor; + + wBufferPool* bufferPool; + + UINT32 format; + UINT32 state; + + PROGRESSIVE_BLOCK_CONTEXT context; + PROGRESSIVE_BLOCK_REGION region; + RFX_PROGRESSIVE_CODEC_QUANT quantProgValFull; + + wHashTable* SurfaceContexts; + wLog* log; + wStream* buffer; + wStream* rects; + RFX_CONTEXT* rfx_context; +}; + +#endif /* INTERNAL_CODEC_PROGRESSIVE_H */ |