Dirac - A Video Codec
Created by the British Broadcasting Corporation.
dirac::FrameDecompressor Class Reference
Compress a single image frame.
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#include <frame_decompress.h>
Collaboration diagram for dirac::FrameDecompressor:
[legend]List of all members.Public Member Functions
Private Member Functions
Private Attributes
Detailed Description
This class decompresses a single frame at a time, using parameters supplied at its construction. FrameDecompressor is used by SequenceDecompressor.
Constructor & Destructor Documentation
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Creates a FrameDecompressor with specific set of parameters the control the decompression process. It decodes motion data before decoding each component of the frame.
- Parameters:
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| decp | decoder parameters |
| cf | the chroma format of the frame being decompressed |
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dirac::FrameDecompressor::~FrameDecompressor |
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dirac::FrameDecompressor::FrameDecompressor |
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const FrameDecompressor & |
cpy |
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[private] |
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Copy constructor is private and body-less. This class should not be copied. |
Member Function Documentation
void dirac::FrameDecompressor::CompDecompress |
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FrameBuffer & |
my_buffer, |
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int |
fnum, |
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CompSort |
cs |
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[private] |
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bool dirac::FrameDecompressor::Decompress |
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FrameBuffer & |
my_buffer |
) |
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Decompresses the next frame from the stream and place at the end of a frame buffer. Returns true if able to decode successfully, false otherwise
- Parameters:
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| my_buffer | picture buffer into which the frame is placed |
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const FrameParams& dirac::FrameDecompressor::GetFrameParams |
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const [inline] |
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Assignment = is private and body-less. This class should not be assigned. |
bool dirac::FrameDecompressor::ReadFrameHeader |
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FrameParams & |
fparams |
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[private] |
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bool dirac::FrameDecompressor::ReadFrameHeader |
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const FrameBuffer & |
my_buffer |
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Reads the header data associated with decompressing the frame - Parameters:
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| my_buffer | picture buffer from which frame dimensions are obtained |
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Member Data Documentation
The documentation for this class was generated from the following file:
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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