s32 pngDecClose(PPUThread& ppu, PHandle handle, PStream stream)
{
// Remove the file descriptor, if a file descriptor was used for decoding
if (stream->buffer->file)
{
idm::remove<lv2_file_t>(stream->buffer->fd);
}
// Deallocate the PNG buffer structure used to decode from memory, if we decoded from memory
if (stream->buffer)
{
if (handle->free(ppu, stream->buffer, handle->free_arg) != 0)
{
cellPngDec.error("PNG buffer decoding structure deallocation failed.");
return CELL_PNGDEC_ERROR_FATAL;
}
}
// Free the memory allocated by libpng
png_destroy_read_struct(&stream->png_ptr, &stream->info_ptr, nullptr);
// Deallocate the stream memory
if (handle->free(ppu, stream, handle->free_arg) != 0)
{
cellPngDec.error("PNG stream deallocation failed.");
return CELL_PNGDEC_ERROR_FATAL;
}
return CELL_OK;
}
s32 pngDecDestroy(PPUThread& ppu, PHandle handle)
{
// Deallocate the decoder handle memory
if (handle->free(ppu, handle, handle->free_arg) != 0)
{
cellPngDec.error("PNG decoder deallocation failed.");
return CELL_PNGDEC_ERROR_FATAL;
}
return CELL_OK;
}