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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <file/nbio.h>
#include <compat/strl.h>
#include <retro_miscellaneous.h>
#include <string/stdstring.h>
#ifdef HAVE_AUDIOMIXER
#include "task_audio_mixer.h"
#endif
#include "task_file_transfer.h"
#include "tasks_internal.h"
bool task_image_load_handler(retro_task_t *task);
static int task_file_transfer_iterate_transfer(nbio_handle_t *nbio)
{
size_t i;
nbio->pos_increment = 5;
if (nbio->is_finished)
return 0;
for (i = 0; i < nbio->pos_increment; i++)
{
if (nbio_iterate(nbio->handle))
return -1;
}
return 0;
}
static int task_file_transfer_iterate_parse(nbio_handle_t *nbio)
{
if (nbio->cb)
{
int len = 0;
if (nbio->cb(nbio, len) == -1)
return -1;
}
return 0;
}
void task_file_load_handler(retro_task_t *task)
{
uint8_t flg;
nbio_handle_t *nbio = (nbio_handle_t*)task->state;
if (nbio)
{
switch (nbio->status)
{
case NBIO_STATUS_INIT:
if (nbio && !string_is_empty(nbio->path))
{
struct nbio_t *handle = (struct nbio_t*)nbio_open(nbio->path, NBIO_READ);
if (handle)
{
nbio->handle = handle;
nbio->status = NBIO_STATUS_TRANSFER;
nbio_begin_read(handle);
return;
}
task_set_flags(task, RETRO_TASK_FLG_CANCELLED, true);
}
break;
case NBIO_STATUS_TRANSFER_PARSE:
if (!nbio || task_file_transfer_iterate_parse(nbio) == -1)
task_set_flags(task, RETRO_TASK_FLG_CANCELLED, true);
nbio->status = NBIO_STATUS_TRANSFER_FINISHED;
break;
case NBIO_STATUS_TRANSFER:
if (!nbio || task_file_transfer_iterate_transfer(nbio) == -1)
nbio->status = NBIO_STATUS_TRANSFER_PARSE;
break;
case NBIO_STATUS_TRANSFER_FINISHED:
break;
}
switch (nbio->type)
{
case NBIO_TYPE_PNG:
case NBIO_TYPE_JPEG:
case NBIO_TYPE_TGA:
case NBIO_TYPE_BMP:
if (!task_image_load_handler(task))
task_set_flags(task, RETRO_TASK_FLG_FINISHED, true);
break;
case NBIO_TYPE_MP3:
case NBIO_TYPE_FLAC:
case NBIO_TYPE_OGG:
case NBIO_TYPE_MOD:
case NBIO_TYPE_WAV:
#ifdef HAVE_AUDIOMIXER
if (!task_audio_mixer_load_handler(task))
task_set_flags(task, RETRO_TASK_FLG_FINISHED, true);
#endif
break;
case NBIO_TYPE_NONE:
default:
if (nbio->is_finished)
task_set_flags(task, RETRO_TASK_FLG_FINISHED, true);
break;
}
}
flg = task_get_flags(task);
if ((flg & RETRO_TASK_FLG_CANCELLED) > 0)
{
task_set_error(task, strldup("Task canceled.", sizeof("Task canceled.")));
task_set_flags(task, RETRO_TASK_FLG_FINISHED, true);
}
}
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