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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
/*
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Copyright (C) 2009 Red Hat, Inc.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
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IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _H_JPEG_ENCODER
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#define _H_JPEG_ENCODER
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#include <spice/types.h>
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typedef enum {
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JPEG_IMAGE_TYPE_INVALID,
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JPEG_IMAGE_TYPE_RGB16,
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/* in byte per color types, the notation is according to the order of the
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colors in the memory */
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JPEG_IMAGE_TYPE_RGB24,
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JPEG_IMAGE_TYPE_BGR24,
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JPEG_IMAGE_TYPE_BGRX32,
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} JpegEncoderImageType;
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typedef void* JpegEncoderContext;
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typedef struct JpegEncoderUsrContext JpegEncoderUsrContext;
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struct JpegEncoderUsrContext {
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int (*more_space)(JpegEncoderUsrContext *usr, uint8_t **io_ptr);
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int (*more_lines)(JpegEncoderUsrContext *usr, uint8_t **lines);
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};
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JpegEncoderContext* jpeg_encoder_create(JpegEncoderUsrContext *usr);
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void jpeg_encoder_destroy(JpegEncoderContext *encoder);
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/* returns the total size of the encoded data. Images must be supplied from the
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top line to the bottom */
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int jpeg_encode(JpegEncoderContext *jpeg, int quality, JpegEncoderImageType type,
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int width, int height, uint8_t *lines, unsigned int num_lines, int stride,
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uint8_t *io_ptr, unsigned int num_io_bytes);
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#endif
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