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71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/**
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* Copyright (c) 2012-2016 Moodstocks SAS
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "buf.h"
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#include "conf.h"
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#define JPEC_BUFFER_INIT_SIZ 65536
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jpec_buffer_t *jpec_buffer_new(void) {
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// return jpec_buffer_new2(-1);
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}
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jpec_buffer_t *jpec_buffer_new2(int siz, jpec_enc_callback_t callback) {
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if (siz < 0) siz = 0;
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jpec_buffer_t *b = (jpec_buffer_t*)malloc(sizeof(*b));
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// b->stream = NULL; // siz > 0 ? (uint8_t*) malloc(siz) : NULL;
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b->siz = siz;
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b->len = 0;
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b->callback = callback;
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return b;
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}
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void jpec_buffer_del(jpec_buffer_t *b) {
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assert(b);
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// if (b->stream) free(b->stream);
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free(b);
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}
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void jpec_buffer_write_byte(jpec_buffer_t *b, int val) {
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assert(b);
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if (b->siz == b->len) {
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int nsiz = (b->siz > 0) ? 2 * b->siz : JPEC_BUFFER_INIT_SIZ;
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// void* tmp = realloc(b->stream, nsiz);
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// b->stream = (uint8_t *) tmp;
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b->siz = nsiz;
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}
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// b->stream[b->len++] = (uint8_t) val;
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b->len++;
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// callback
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b->callback(b->len, (uint8_t) val);
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}
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void jpec_buffer_write_2bytes(jpec_buffer_t *b, int val) {
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assert(b);
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jpec_buffer_write_byte(b, (val >> 8) & 0xFF);
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jpec_buffer_write_byte(b, val & 0xFF);
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}
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