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/*
* Copyright © 2013-2015 Rinat Ibragimov
*
* This file is part of FreshPlayerPlugin.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "ppb_buffer.h"
#include "ppb_core.h"
#include <stdlib.h>
#include "trace.h"
#include "tables.h"
#include "pp_interface.h"
PP_Resource
ppb_buffer_create(PP_Instance instance, uint32_t size_in_bytes)
{
struct pp_instance_s *pp_i = tables_get_pp_instance(instance);
if (!pp_i) {
trace_error("%s, bad instance\n", __func__);
return 0;
}
PP_Resource buffer = pp_resource_allocate(PP_RESOURCE_BUFFER, pp_i);
struct pp_buffer_s *b = pp_resource_acquire(buffer, PP_RESOURCE_BUFFER);
if (!b) {
trace_error("%s, failed to create resource\n", __func__);
return 0;
}
b->len = size_in_bytes;
b->data = calloc(size_in_bytes, 1);
pp_resource_release(buffer);
return buffer;
}
static
void
ppb_buffer_destroy(void *p)
{
struct pp_buffer_s *b = p;
free(b->data);
b->data = NULL;
}
PP_Bool
ppb_buffer_is_buffer(PP_Resource resource)
{
return pp_resource_get_type(resource) == PP_RESOURCE_BUFFER;
}
PP_Bool
ppb_buffer_describe(PP_Resource resource, uint32_t *size_in_bytes)
{
struct pp_buffer_s *b = pp_resource_acquire(resource, PP_RESOURCE_BUFFER);
if (!b)
return PP_FALSE;
if (size_in_bytes)
*size_in_bytes = b->len;
pp_resource_release(resource);
return PP_TRUE;
}
void *
ppb_buffer_map(PP_Resource resource)
{
struct pp_buffer_s *b = pp_resource_acquire(resource, PP_RESOURCE_BUFFER);
if (!b)
return NULL;
ppb_core_add_ref_resource(resource);
void *ptr = b->data;
pp_resource_release(resource);
return ptr;
}
void
ppb_buffer_unmap(PP_Resource resource)
{
if (ppb_buffer_is_buffer(resource))
ppb_core_release_resource(resource);
}
// trace wrappers
TRACE_WRAPPER
PP_Resource
trace_ppb_buffer_create(PP_Instance instance, uint32_t size_in_bytes)
{
trace_info("[PPB] {full} %s instance=%d, size_in_bytes=%u\n", __func__+6,
instance, size_in_bytes);
return ppb_buffer_create(instance, size_in_bytes);
}
TRACE_WRAPPER
PP_Bool
trace_ppb_buffer_is_buffer(PP_Resource resource)
{
trace_info("[PPB] {full} %s resource=%d\n", __func__+6, resource);
return ppb_buffer_is_buffer(resource);
}
TRACE_WRAPPER
PP_Bool
trace_ppb_buffer_describe(PP_Resource resource, uint32_t *size_in_bytes)
{
trace_info("[PPB] {full} %s resource=%d\n", __func__+6, resource);
return ppb_buffer_describe(resource, size_in_bytes);
}
TRACE_WRAPPER
void *
trace_ppb_buffer_map(PP_Resource resource)
{
trace_info("[PPB] {full} %s resource=%d\n", __func__+6, resource);
return ppb_buffer_map(resource);
}
TRACE_WRAPPER
void
trace_ppb_buffer_unmap(PP_Resource resource)
{
trace_info("[PPB] {full} %s resource=%d\n", __func__+6, resource);
ppb_buffer_unmap(resource);
}
const struct PPB_Buffer_Dev_0_4 ppb_buffer_dev_interface_0_4 = {
.Create = TWRAPF(ppb_buffer_create),
.IsBuffer = TWRAPF(ppb_buffer_is_buffer),
.Describe = TWRAPF(ppb_buffer_describe),
.Map = TWRAPF(ppb_buffer_map),
.Unmap = TWRAPF(ppb_buffer_unmap),
};
static
void
__attribute__((constructor))
constructor_ppb_buffer(void)
{
register_interface(PPB_BUFFER_DEV_INTERFACE_0_4, &ppb_buffer_dev_interface_0_4);
register_resource(PP_RESOURCE_BUFFER, ppb_buffer_destroy);
}
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