bool rarch_task_push_image_load(const char *fullpath,
const char *type, retro_task_callback_t cb, void *user_data)
{
#if defined(HAVE_RPNG) && defined(HAVE_MENU)
nbio_handle_t *nbio = NULL;
retro_task_t *t = NULL;
uint32_t cb_type_hash = 0;
struct nbio_t* handle = NULL;
cb_type_hash = djb2_calculate(type);
handle = nbio_open(fullpath, NBIO_READ);
if (!handle)
{
RARCH_ERR("[image load] Failed to open '%s': %s.\n",
fullpath, strerror(errno));
return false;
}
nbio = (nbio_handle_t*)calloc(1, sizeof(*nbio));
if (!nbio)
return false;
nbio->handle = handle;
nbio->is_finished = false;
nbio->cb = &cb_nbio_default;
nbio->status = NBIO_STATUS_TRANSFER;
nbio->image.status = NBIO_IMAGE_STATUS_TRANSFER;
if (cb_type_hash == CB_MENU_WALLPAPER)
nbio->cb = &cb_nbio_image_menu_wallpaper;
else if (cb_type_hash == CB_MENU_THUMBNAIL)
nbio->cb = &cb_nbio_image_menu_thumbnail;
nbio_begin_read(handle);
t = (retro_task_t*)calloc(1, sizeof(*t));
if (!t)
{
free(nbio);
return false;
}
t->state = nbio;
t->handler = rarch_task_file_load_handler;
t->callback = cb;
t->user_data = user_data;
task_queue_ctl(TASK_QUEUE_CTL_PUSH, t);
#endif
return true;
}
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 int rarch_main_data_nbio_iterate_poll(nbio_handle_t *nbio)
{
char elem0[PATH_MAX_LENGTH];
unsigned elem0_hash = 0;
uint32_t cb_type_hash = 0;
struct nbio_t* handle = NULL;
struct string_list *str_list = NULL;
const char *path = NULL;
if (!nbio)
return -1;
path = msg_queue_pull(nbio->msg_queue);
if (!path)
return -1;
/* Can only deal with one NBIO transfer at a time for now */
if (nbio->handle)
return -1;
str_list = string_split(path, "|");
if (!str_list || (str_list->size < 1))
goto error;
strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
elem0_hash = djb2_calculate(elem0);
/* TODO/FIXME - should be able to deal with this
* in a better way. */
switch(elem0_hash)
{
case CB_MENU_WALLPAPER:
case CB_MENU_BOXART:
goto error;
default:
break;
}
if (str_list->size > 1)
cb_type_hash = djb2_calculate(str_list->elems[1].data);
handle = nbio_open(elem0, NBIO_READ);
if (!handle)
{
RARCH_ERR("Could not create new file loading handle.\n");
goto error;
}
nbio->handle = handle;
nbio->is_finished = false;
nbio->cb = &cb_nbio_default;
switch (cb_type_hash)
{
#if defined(HAVE_MENU) && defined(HAVE_RPNG)
case CB_MENU_WALLPAPER:
nbio->cb = &cb_nbio_image_menu_wallpaper;
break;
case CB_MENU_BOXART:
nbio->cb = &cb_nbio_image_menu_boxart;
break;
#endif
}
nbio_begin_read(handle);
string_list_free(str_list);
return 0;
error:
if (str_list)
string_list_free(str_list);
return -1;
}
static int rarch_main_data_nbio_iterate_poll(nbio_handle_t *nbio)
{
struct nbio_t* handle;
char elem0[PATH_MAX_LENGTH], elem1[PATH_MAX_LENGTH];
struct string_list *str_list = NULL;
const char *path = NULL;
if (!nbio)
return -1;
path = msg_queue_pull(nbio->msg_queue);
if (!path)
return -1;
/* Can only deal with one NBIO transfer at a time for now */
if (nbio->handle)
return -1;
str_list = string_split(path, "|");
if (!str_list)
goto error;
if (str_list->size > 0)
strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
if (str_list->size > 1)
strlcpy(elem1, str_list->elems[1].data, sizeof(elem1));
handle = nbio_open(elem0, NBIO_READ);
if (!handle)
{
RARCH_ERR("Could not create new file loading handle.\n");
goto error;
}
nbio->handle = handle;
nbio->is_blocking = false;
nbio->is_finished = false;
nbio->cb = &cb_nbio_default;
if (elem1[0] != '\0')
{
#ifdef HAVE_MENU
if (!strcmp(elem1, "cb_menu_wallpaper"))
nbio->cb = &cb_nbio_image_menu_wallpaper;
#endif
}
nbio_begin_read(handle);
string_list_free(str_list);
return 0;
error:
if (str_list)
string_list_free(str_list);
return -1;
}
static bool rpng_load_image_argb(const char *path, uint32_t **data,
unsigned *width, unsigned *height)
{
int retval;
size_t file_len;
bool ret = true;
rpng_t *rpng = NULL;
void *ptr = NULL;
struct nbio_t* handle = (struct nbio_t*)nbio_open(path, NBIO_READ);
if (!handle)
goto end;
nbio_begin_read(handle);
while (!nbio_iterate(handle));
ptr = nbio_get_ptr(handle, &file_len);
if (!ptr)
{
ret = false;
goto end;
}
rpng = rpng_alloc();
if (!rpng)
{
ret = false;
goto end;
}
if (!rpng_set_buf_ptr(rpng, (uint8_t*)ptr))
{
ret = false;
goto end;
}
if (!rpng_start(rpng))
{
ret = false;
goto end;
}
while (rpng_iterate_image(rpng));
if (!rpng_is_valid(rpng))
{
ret = false;
goto end;
}
do
{
retval = rpng_process_image(rpng,
(void**)data, file_len, 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_free(rpng);
rpng = NULL;
if (!ret)
free(*data);
return ret;
}
void task_file_load_handler(retro_task_t *task)
{
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;
}
else
task_set_cancelled(task, true);
}
break;
case NBIO_STATUS_TRANSFER_PARSE:
if (!nbio || task_file_transfer_iterate_parse(nbio) == -1)
task_set_cancelled(task, 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_finished(task, true);
break;
case NBIO_TYPE_MP3:
case NBIO_TYPE_FLAC:
case NBIO_TYPE_OGG:
case NBIO_TYPE_MOD:
case NBIO_TYPE_WAV:
if (!task_audio_mixer_load_handler(task))
task_set_finished(task, true);
break;
case NBIO_TYPE_NONE:
default:
if (nbio->is_finished)
task_set_finished(task, true);
break;
}
}
if (task_get_cancelled(task))
{
task_set_error(task, strdup("Task canceled."));
task_set_finished(task, true);
}
}
void task_file_load_handler(retro_task_t *task)
{
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))
{
const char *fullpath = nbio->path;
struct nbio_t *handle = nbio_open(fullpath, NBIO_READ);
if (handle)
{
nbio->handle = handle;
nbio->status = NBIO_STATUS_TRANSFER;
if (strstr(fullpath, file_path_str(FILE_PATH_PNG_EXTENSION)))
nbio->image_type = IMAGE_TYPE_PNG;
else if (strstr(fullpath, file_path_str(FILE_PATH_JPEG_EXTENSION))
|| strstr(fullpath, file_path_str(FILE_PATH_JPG_EXTENSION)))
nbio->image_type = IMAGE_TYPE_JPEG;
else if (strstr(fullpath, file_path_str(FILE_PATH_BMP_EXTENSION)))
nbio->image_type = IMAGE_TYPE_BMP;
else if (strstr(fullpath, file_path_str(FILE_PATH_TGA_EXTENSION)))
nbio->image_type = IMAGE_TYPE_TGA;
nbio_begin_read(handle);
return;
}
else
task_set_cancelled(task, true);
}
break;
case NBIO_STATUS_TRANSFER_PARSE:
if (task_file_transfer_iterate_parse(nbio) == -1)
task_set_cancelled(task, true);
nbio->status = NBIO_STATUS_TRANSFER_PARSE_FREE;
break;
case NBIO_STATUS_TRANSFER:
if (task_file_transfer_iterate_transfer(nbio) == -1)
nbio->status = NBIO_STATUS_TRANSFER_PARSE;
break;
case NBIO_STATUS_TRANSFER_PARSE_FREE:
case NBIO_STATUS_POLL:
default:
break;
}
switch (nbio->image_type)
{
case IMAGE_TYPE_PNG:
case IMAGE_TYPE_JPEG:
case IMAGE_TYPE_TGA:
case IMAGE_TYPE_BMP:
if (!task_image_load_handler(task))
task_set_finished(task, true);
break;
case 0:
if (nbio->is_finished)
task_set_finished(task, true);
break;
}
}
if (task_get_cancelled(task))
{
task_set_error(task, strdup("Task canceled."));
task_set_finished(task, true);
}
}