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cb9bd1b09e
Make sure all headers can be compiled alone. Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GLZ_ENCODER_DICT_H_
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#define GLZ_ENCODER_DICT_H_
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#include <stdint.h>
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#include <spice/macros.h>
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/*
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Interface for maintaining lz dictionary that is shared among several encoders.
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The interface for accessing the dictionary for encoding purposes is located in
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glz-encoder-priv.h
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*/
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SPICE_BEGIN_DECLS
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typedef void GlzEncDictContext;
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typedef void GlzEncDictImageContext;
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typedef void GlzUsrImageContext;
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typedef struct GlzEncoderUsrContext GlzEncoderUsrContext;
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/* NOTE: DISPLAY_MIGRATE_DATA_VERSION should change in case GlzEncDictRestoreData changes*/
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typedef struct GlzEncDictRestoreData {
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uint32_t size;
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uint32_t max_encoders;
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uint64_t last_image_id;
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} GlzEncDictRestoreData;
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/* size : maximal number of pixels occupying the window
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max_encoders: maximal number of encoders that use the dictionary
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usr : callbacks */
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GlzEncDictContext *glz_enc_dictionary_create(uint32_t size, uint32_t max_encoders,
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GlzEncoderUsrContext *usr);
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void glz_enc_dictionary_destroy(GlzEncDictContext *opaque_dict, GlzEncoderUsrContext *usr);
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/* returns the window capacity in pixels */
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uint32_t glz_enc_dictionary_get_size(GlzEncDictContext *);
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/* returns the current state of the dictionary.
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NOTE - you should use it only when no encoder uses the dictionary. */
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void glz_enc_dictionary_get_restore_data(GlzEncDictContext *opaque_dict,
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GlzEncDictRestoreData *out_data,
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GlzEncoderUsrContext *usr);
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/* creates a dictionary and initialized it by use the given info */
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GlzEncDictContext *glz_enc_dictionary_restore(GlzEncDictRestoreData *restore_data,
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GlzEncoderUsrContext *usr);
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/* image: the context returned by the encoder when the image was encoded.
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NOTE - you should use this routine only when no encoder uses the dictionary.*/
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void glz_enc_dictionary_remove_image(GlzEncDictContext *opaque_dict,
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GlzEncDictImageContext *image, GlzEncoderUsrContext *usr);
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SPICE_END_DECLS
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#endif /* GLZ_ENCODER_DICT_H_ */
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