static int rarch_main_data_image_iterate_parse_free(nbio_handle_t *nbio)
{
if (!nbio)
return -1;
rpng_nbio_load_image_free(nbio->image.handle);
nbio->image.handle = NULL;
nbio->image.frame_count = 0;
msg_queue_clear(nbio->image.msg_queue);
return 0;
}
static int cb_nbio_generic(nbio_handle_t *nbio, size_t *len)
{
void *ptr = NULL;
if (!nbio->image.handle)
{
nbio->image.cb = NULL;
return -1;
}
ptr = nbio_get_ptr(nbio->handle, len);
if (!ptr)
{
rpng_nbio_load_image_free(nbio->image.handle);
nbio->image.handle = NULL;
nbio->image.cb = NULL;
return -1;
}
rpng_set_buf_ptr(nbio->image.handle, (uint8_t*)ptr);
nbio->image.pos_increment = (*len / 2) ? (*len / 2) : 1;
nbio->image.processing_pos_increment = (*len / 4) ? (*len / 4) : 1;
if (!rpng_nbio_load_image_argb_start(nbio->image.handle))
{
rpng_nbio_load_image_free(nbio->image.handle);
return -1;
}
nbio->image.is_blocking = false;
nbio->image.is_finished = false;
nbio->is_finished = true;
return 0;
}
static int cb_nbio_image_menu_wallpaper(void *data, size_t len)
{
void *ptr = NULL;
nbio_handle_t *nbio = (nbio_handle_t*)data;
if (!nbio || !data)
return -1;
nbio->image.handle = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
nbio->image.cb = &cb_image_menu_wallpaper;
if (!nbio->image.handle)
{
nbio->image.cb = NULL;
return -1;
}
ptr = nbio_get_ptr(nbio->handle, &len);
if (!ptr)
{
free(nbio->image.handle);
nbio->image.handle = NULL;
nbio->image.cb = NULL;
return -1;
}
nbio->image.handle->buff_data = (uint8_t*)ptr;
nbio->image.pos_increment = (len / 2) ? (len / 2) : 1;
nbio->image.processing_pos_increment = (len / 4) ? (len / 4) : 1;
if (!rpng_nbio_load_image_argb_start(nbio->image.handle))
{
rpng_nbio_load_image_free(nbio->image.handle);
return -1;
}
nbio->image.is_blocking = false;
nbio->image.is_finished = false;
nbio->is_blocking = false;
nbio->is_finished = true;
return 0;
}
static bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
unsigned *width, unsigned *height)
{
int retval;
size_t file_len;
bool ret = true;
struct rpng_t *rpng = NULL;
void *ptr = NULL;
unsigned val = 0;
struct nbio_t* handle = (void*)nbio_open(path, NBIO_READ);
if (!handle)
goto end;
ptr = nbio_get_ptr(handle, &file_len);
nbio_begin_read(handle);
while (!nbio_iterate(handle));
ptr = nbio_get_ptr(handle, &file_len);
if (!ptr)
{
ret = false;
goto end;
}
rpng = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
if (!rpng)
{
ret = false;
goto end;
}
rpng->buff_data = (uint8_t*)ptr;
if (!rpng->buff_data)
{
ret = false;
goto end;
}
if (!rpng_nbio_load_image_argb_start(rpng))
{
ret = false;
goto end;
}
while (rpng_nbio_load_image_argb_iterate(
rpng->buff_data, rpng, &val))
{
rpng->buff_data += val;
}
#if 0
fprintf(stderr, "has_ihdr: %d\n", rpng->has_ihdr);
fprintf(stderr, "has_idat: %d\n", rpng->has_idat);
fprintf(stderr, "has_iend: %d\n", rpng->has_iend);
#endif
if (!rpng->has_ihdr || !rpng->has_idat || !rpng->has_iend)
{
ret = false;
goto end;
}
do
{
retval = rpng_nbio_load_image_argb_process(rpng, data, width, height);
}while(retval == IMAGE_PROCESS_NEXT);
if (retval == IMAGE_PROCESS_ERROR || retval == IMAGE_PROCESS_ERROR_END)
ret = false;
end:
if (handle)
nbio_free(handle);
if (rpng)
rpng_nbio_load_image_free(rpng);
rpng = NULL;
if (!ret)
free(*data);
return ret;
}
static void rarch_task_file_load_handler(rarch_task_t *task)
{
nbio_handle_t *nbio = (nbio_handle_t*)task->state;
nbio_image_handle_t *image = nbio ? &nbio->image : NULL;
switch (nbio->status)
{
case NBIO_STATUS_TRANSFER_PARSE:
rarch_main_data_nbio_iterate_parse(nbio);
nbio->status = NBIO_STATUS_TRANSFER_PARSE_FREE;
break;
case NBIO_STATUS_TRANSFER:
if (rarch_main_data_nbio_iterate_transfer(nbio) == -1)
nbio->status = NBIO_STATUS_TRANSFER_PARSE;
break;
case NBIO_STATUS_TRANSFER_PARSE_FREE:
case NBIO_STATUS_POLL:
default:
break;
}
if (nbio->image.handle)
{
switch (image->status)
{
case NBIO_IMAGE_STATUS_PROCESS_TRANSFER:
if (rarch_main_data_image_iterate_process_transfer(nbio) == -1)
image->status = NBIO_IMAGE_STATUS_PROCESS_TRANSFER_PARSE;
break;
case NBIO_IMAGE_STATUS_TRANSFER_PARSE:
rarch_main_data_image_iterate_transfer_parse(nbio);
if (image->is_blocking_on_processing)
image->status = NBIO_IMAGE_STATUS_PROCESS_TRANSFER;
break;
case NBIO_IMAGE_STATUS_TRANSFER:
if (!image->is_blocking)
if (rarch_main_data_image_iterate_transfer(nbio) == -1)
image->status = NBIO_IMAGE_STATUS_TRANSFER_PARSE;
break;
case NBIO_IMAGE_STATUS_PROCESS_TRANSFER_PARSE:
rarch_main_data_image_iterate_process_transfer_parse(nbio);
if (!image->is_finished)
break;
case NBIO_IMAGE_STATUS_TRANSFER_PARSE_FREE:
case NBIO_IMAGE_STATUS_POLL:
default:
break;
}
if (nbio->is_finished && nbio->image.is_finished && !task->cancelled)
{
task->task_data = malloc(sizeof(nbio->image.ti));
memcpy(task->task_data, &nbio->image.ti, sizeof(nbio->image.ti));
goto task_finished;
}
} else
if (nbio->is_finished)
goto task_finished;
if (task->cancelled)
{
task->error = strdup("Task canceled.");
goto task_finished;
}
return;
task_finished:
task->finished = true;
if (image->handle)
{
rpng_nbio_load_image_free(image->handle);
image->handle = NULL;
image->frame_count = 0;
}
nbio_free(nbio->handle);
nbio->handle = NULL;
nbio->is_finished = false;
nbio->frame_count = 0;
free(nbio);
}
