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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef H_SPICE_COMMON_QUIC
#define H_SPICE_COMMON_QUIC
#include <spice/macros.h>
#include "macros.h"
SPICE_BEGIN_DECLS
typedef enum {
QUIC_IMAGE_TYPE_INVALID,
QUIC_IMAGE_TYPE_GRAY,
QUIC_IMAGE_TYPE_RGB16,
QUIC_IMAGE_TYPE_RGB24,
QUIC_IMAGE_TYPE_RGB32,
QUIC_IMAGE_TYPE_RGBA
} QuicImageType;
#define QUIC_ERROR -1
#define QUIC_OK 0
typedef void *QuicContext;
typedef struct QuicUsrContext QuicUsrContext;
struct QuicUsrContext {
SPICE_GNUC_NORETURN
SPICE_GNUC_PRINTF(2, 3) void (*error)(QuicUsrContext *usr, const char *fmt, ...);
SPICE_GNUC_PRINTF(2, 3) void (*warn)(QuicUsrContext *usr, const char *fmt, ...);
SPICE_GNUC_PRINTF(2, 3) void (*info)(QuicUsrContext *usr, const char *fmt, ...);
void *(*malloc)(QuicUsrContext *usr, int size);
void (*free)(QuicUsrContext *usr, void *ptr);
int (*more_space)(QuicUsrContext *usr, uint32_t **io_ptr, int rows_completed);
int (*more_lines)(QuicUsrContext *usr, uint8_t **lines); // on return the last line of previous
// lines bunch must still be valid
};
int quic_encode(QuicContext *quic, QuicImageType type, int width, int height,
uint8_t *lines, unsigned int num_lines, int stride,
uint32_t *io_ptr, unsigned int num_io_words);
int quic_decode_begin(QuicContext *quic, uint32_t *io_ptr, unsigned int num_io_words,
QuicImageType *type, int *width, int *height);
int quic_decode(QuicContext *quic, QuicImageType type, uint8_t *buf, int stride);
QuicContext *quic_create(QuicUsrContext *usr);
void quic_destroy(QuicContext *quic);
SPICE_END_DECLS
#endif
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