diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/memchecker.cc | 137 | ||||
| -rw-r--r-- | src/memchecker.h | 52 |
2 files changed, 0 insertions, 189 deletions
diff --git a/src/memchecker.cc b/src/memchecker.cc deleted file mode 100644 index ec0c9df..0000000 --- a/src/memchecker.cc +++ /dev/null @@ -1,137 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * memchecker.cc - * - * Sat Jan 16 18:27:52 CET 2016 - * Copyright 2016 André Nusser - * andre.nusser@googlemail.com - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo 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 Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "memchecker.h" - -#include "platform.h" - -#if DG_PLATFORM == DG_PLATFORM_LINUX -#include <sys/sysinfo.h> -#elif DG_PLATFORM == DG_PLATFORM_OSX -#include <mach/vm_statistics.h> -#include <mach/mach_types.h> -#include <mach/mach_init.h> -#include <mach/mach_host.h> -#elif DG_PLATFORM == DG_PLATFORM_FREEBSD -#include <sys/types.h> -#include <sys/sysctl.h> -#include <sys/vmmeter.h> -#endif - -#include <sndfile.h> -#include <hugin.hpp> - -bool MemChecker::enoughFreeMemory(const DrumKit& drumkit) const -{ - uint64_t free_memory = calcFreeMemory(); - uint64_t needed_memory = calcNeededMemory(drumkit); - - return free_memory >= needed_memory; -} - -uint64_t MemChecker::calcFreeMemory() const -{ - uint64_t free_memory = 0; - - // Platform specific calculation of the amount of free memory. -#if DG_PLATFORM == DG_PLATFORM_LINUX - struct sysinfo sys_info; - sysinfo(&sys_info); - free_memory = (uint64_t)sys_info.freeram * (uint64_t)sys_info.mem_unit; -#elif DG_PLATFORM == DG_PLATFORM_WINDOWS - MEMORYSTATUSEX status; - status.dwLength = sizeof(status); - GlobalMemoryStatusEx(&status); - free_memory = status.ullAvailPhys; -#elif DG_PLATFORM == DG_PLATFORM_OSX - vm_size_t page_size; - vm_statistics64_data_t vm_stats; - mach_port_t mach_port = mach_host_self(); - mach_msg_type_number_t count = sizeof(vm_stats) / sizeof(natural_t); - - if (KERN_SUCCESS == host_page_size(mach_port, &page_size) && - KERN_SUCCESS == host_statistics64(mach_port, HOST_VM_INFO, (host_info64_t)&vm_stats, &count)) - { - free_memory = (uint64_t)vm_stats.free_count * (uint64_t)page_size; - } -#elif DG_PLATFORM == DG_PLATFORM_FREEBSD - u_int page_size; - struct vmtotal vmt; - size_t vmt_size, uint_size; - - vmt_size = sizeof(vmt); - uint_size = sizeof(page_size); - - sysctlbyname("vm.vmtotal", &vmt, &vmt_size, NULL, 0); - sysctlbyname("vm.stats.vm.v_page_size", &page_size, &uint_size, NULL, 0); - - free_memory = vmt.t_free * (u_int64_t)page_size; -#elif DG_PLATFORM == DG_PLATFORM_UNIX - // TODO -#endif - - DEBUG(memchecker, "Calculated %" PRIu64 " free memory.\n", free_memory); - - return free_memory; -} - -uint64_t MemChecker::calcNeededMemory(const DrumKit& drumkit) const -{ - uint64_t needed_memory = 0; - - // Calculate memory usage of all instruments of drumkit. - for(auto& instr_ptr: drumkit.instruments) - { - const auto& audiofiles = instr_ptr->audiofiles; - - // Calculate memory usage of all audiofiles. - for(auto& audiofile: audiofiles) - { - needed_memory += calcBytesPerChannel(audiofile->filename); - } - } - - DEBUG(memchecker, "Calculated %" PRIu64 " needed memory.\n", needed_memory); - - return needed_memory; -} - -uint64_t MemChecker::calcBytesPerChannel(const std::string& filename) const -{ - SF_INFO sf_info{}; - - SNDFILE* f = sf_open(filename.c_str(), SFM_READ, &sf_info); - if(!f) - { - ERR(memchecker, "SNDFILE Error (%s): %s\n", - filename.c_str(), sf_strerror(f)); - return 0; - } - - sf_close(f); - - return sf_info.frames * sizeof(sample_t); -} diff --git a/src/memchecker.h b/src/memchecker.h deleted file mode 100644 index aeefb3a..0000000 --- a/src/memchecker.h +++ /dev/null @@ -1,52 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * memchecker.h - * - * Sat Jan 16 18:27:52 CET 2016 - * Copyright 2016 André Nusser - * andre.nusser@googlemail.com - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo 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 Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#pragma once - -#include "drumkit.h" - -#include <string> -// includes cstdint automatically and is needed for the PRIu64 macro -#include <cinttypes> - -class MemChecker -{ -public: - //! Checks if there is enough memory left to load drumkit into RAM. - //! \param drumkit The drumkit for which it is checked if there's enough memory left. - //! \return True iff there is enough memory left. - bool enoughFreeMemory(const DrumKit& drumkit) const; - -protected: - // Computes how much RAM (in bytes) is left. - uint64_t calcFreeMemory() const; - - // Computes how much memory the drumkit takes when loaded into RAM (in bytes). - uint64_t calcNeededMemory(const DrumKit& drumkit) const; - - // Computes the number of bytes per channel of <filename> using libsnd. - uint64_t calcBytesPerChannel(const std::string& filename) const; -}; |