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/*
* 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 <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "dav1d/data.h"
#include "common/attributes.h"
#include "common/validate.h"
#include "src/data.h"
#include "src/ref.h"
uint8_t *dav1d_data_create_internal(Dav1dData *const buf, const size_t sz) {
validate_input_or_ret(buf != NULL, NULL);
if (sz > SIZE_MAX / 2) return NULL;
buf->ref = dav1d_ref_create(sz);
if (!buf->ref) return NULL;
buf->data = buf->ref->const_data;
buf->sz = buf->m.size = sz;
dav1d_data_props_set_defaults(&buf->m);
return buf->ref->data;
}
int dav1d_data_wrap_internal(Dav1dData *const buf, const uint8_t *const ptr,
const size_t sz,
void (*const free_callback)(const uint8_t *data,
void *cookie),
void *const cookie)
{
validate_input_or_ret(buf != NULL, DAV1D_ERR(EINVAL));
validate_input_or_ret(ptr != NULL, DAV1D_ERR(EINVAL));
validate_input_or_ret(free_callback != NULL, DAV1D_ERR(EINVAL));
buf->ref = dav1d_ref_wrap(ptr, free_callback, cookie);
if (!buf->ref) return DAV1D_ERR(ENOMEM);
buf->data = ptr;
buf->sz = buf->m.size = sz;
dav1d_data_props_set_defaults(&buf->m);
return 0;
}
int dav1d_data_wrap_user_data_internal(Dav1dData *const buf,
const uint8_t *const user_data,
void (*const free_callback)(const uint8_t *user_data,
void *cookie),
void *const cookie)
{
validate_input_or_ret(buf != NULL, DAV1D_ERR(EINVAL));
validate_input_or_ret(free_callback != NULL, DAV1D_ERR(EINVAL));
buf->m.user_data.ref = dav1d_ref_wrap(user_data, free_callback, cookie);
if (!buf->m.user_data.ref) return DAV1D_ERR(ENOMEM);
buf->m.user_data.data = user_data;
return 0;
}
void dav1d_data_ref(Dav1dData *const dst, const Dav1dData *const src) {
validate_input(dst != NULL);
validate_input(dst->data == NULL);
validate_input(src != NULL);
if (src->ref) {
validate_input(src->data != NULL);
dav1d_ref_inc(src->ref);
}
if (src->m.user_data.ref) dav1d_ref_inc(src->m.user_data.ref);
*dst = *src;
}
void dav1d_data_props_copy(Dav1dDataProps *const dst,
const Dav1dDataProps *const src)
{
assert(dst != NULL);
assert(src != NULL);
dav1d_ref_dec(&dst->user_data.ref);
*dst = *src;
if (dst->user_data.ref) dav1d_ref_inc(dst->user_data.ref);
}
void dav1d_data_props_set_defaults(Dav1dDataProps *const props) {
assert(props != NULL);
memset(props, 0, sizeof(*props));
props->timestamp = INT64_MIN;
props->offset = -1;
}
void dav1d_data_props_unref_internal(Dav1dDataProps *const props) {
validate_input(props != NULL);
struct Dav1dRef *user_data_ref = props->user_data.ref;
dav1d_data_props_set_defaults(props);
dav1d_ref_dec(&user_data_ref);
}
void dav1d_data_unref_internal(Dav1dData *const buf) {
validate_input(buf != NULL);
struct Dav1dRef *user_data_ref = buf->m.user_data.ref;
if (buf->ref) {
validate_input(buf->data != NULL);
dav1d_ref_dec(&buf->ref);
}
memset(buf, 0, sizeof(*buf));
dav1d_data_props_set_defaults(&buf->m);
dav1d_ref_dec(&user_data_ref);
}
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