ref: dd576607133683eb5a1008349d9d5f62693cceb6
dir: /src/data.c/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include <errno.h> #include <stdlib.h> #include <string.h> #include "dav1d/data.h" #include "common/validate.h" #include "src/ref.h" int dav1d_data_create(Dav1dData *const buf, const size_t sz) { validate_input_or_ret(buf != NULL, -EINVAL); buf->ref = dav1d_ref_create(sz); if (!buf->ref) return -ENOMEM; buf->data = buf->ref->data; buf->sz = sz; return 0; } int dav1d_data_wrap(Dav1dData *const buf, uint8_t *const ptr, const size_t sz, void (*free_callback)(uint8_t *data, void *user_data), void *user_data) { validate_input_or_ret(buf != NULL, -EINVAL); validate_input_or_ret(ptr != NULL, -EINVAL); validate_input_or_ret(free_callback != NULL, -EINVAL); buf->ref = dav1d_ref_wrap(ptr, sz, free_callback, user_data); if (!buf->ref) return -ENOMEM; buf->data = ptr; buf->sz = sz; return 0; } void dav1d_data_unref(Dav1dData *const buf) { validate_input(buf != NULL); if (buf->ref) { validate_input(buf->data != NULL); dav1d_ref_dec(buf->ref); } memset(buf, 0, sizeof(*buf)); }