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/* |
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* Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "fireworks_session_block.h" |
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#include "fireworks_device.h" |
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#include "libutil/ByteSwap.h" |
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#include <fstream> |
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// These classes provide support for reading/writing session blocks on |
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// echo fireworks based devices |
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// does not support legacy (v1) sessions |
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using namespace std; |
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namespace FireWorks { |
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IMPL_DEBUG_MODULE( Session, Session, DEBUG_LEVEL_NORMAL ); |
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Session::Session() |
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{ |
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} |
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Session::~Session() |
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{ |
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} |
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bool |
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Session::loadFromDevice(Device &d) |
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{ |
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size_t len = sizeof(SessionHeader) + sizeof(SubSession); |
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size_t start = d.getSessionBase(); |
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if (start == 0) { |
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debugError("Invalid session base\n"); |
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return false; |
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} |
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|
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uint32_t data[len/4]; |
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if(!d.readFlash(start, len/4, data)) { |
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debugError("Flash read failed\n"); |
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return false; |
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} |
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if(!loadFromMemory(data, len)) { |
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debugError("Could not load session block from device memory dump\n"); |
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return false; |
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} |
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return true; |
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} |
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bool |
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Session::saveToDevice(Device &d) |
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{ |
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size_t len = sizeof(SessionHeader) + sizeof(SubSession); |
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size_t start = d.getSessionBase(); |
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if (start == 0) { |
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debugError("Invalid session base\n"); |
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return false; |
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} |
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debugWarning("CRC update not implemented, will fail\n"); |
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uint32_t data[len/4]; |
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if(!saveToMemory(data, len)) { |
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debugError("Could not save session to memory block\n"); |
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return false; |
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} |
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if (!d.lockFlash(true)) { |
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debugError(" Could not lock flash\n"); |
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return false; |
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} |
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if (!d.eraseFlashBlocks(start, len/4)) { |
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debugError(" Could not erase memory\n"); |
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return false; |
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} |
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if(!d.writeFlash(start, len/4, data)) { |
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debugError("Writing to flash failed.\n"); |
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return false; |
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} |
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if (!d.lockFlash(false)) { |
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debugError(" Could not unlock flash\n"); |
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return false; |
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} |
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return true; |
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} |
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bool |
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Session::loadFromFile(std::string filename) |
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{ |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Loading session from file %s\n", filename.c_str()); |
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fstream sessfile; |
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debugOutput(DEBUG_LEVEL_VERBOSE, " Loading file...\n"); |
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sessfile.open( filename.c_str(), ios::in | ios::ate | ios::binary); |
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if ( !sessfile.is_open() ) { |
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debugError("Could not open file.\n"); |
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return false; |
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} |
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// get file size |
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int size; |
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size = (int)sessfile.tellg() - ECHO_SESSION_FILE_START_OFFSET; |
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sessfile.seekg(ECHO_SESSION_FILE_START_OFFSET, ios_base::beg); |
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debugOutput(DEBUG_LEVEL_VERBOSE, " Reading data, size = %d bytes, %d quads...\n", size, size/4); |
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char data[size]; |
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sessfile.read(data, size); |
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sessfile.close(); |
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if (sessfile.eof()) { |
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debugError("EOF while reading file\n"); |
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return false; |
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} |
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if(!loadFromMemory(data, size)) { |
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debugError("Could not load session block from file\n"); |
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return false; |
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} |
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return true; |
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} |
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bool |
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Session::saveToFile(std::string filename) |
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{ |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Saving session to file %s\n", filename.c_str()); |
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fstream sessfile; |
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debugOutput(DEBUG_LEVEL_VERBOSE, " Loading file...\n"); |
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sessfile.open( filename.c_str(), ios::out | ios::trunc | ios::binary); |
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if ( !sessfile.is_open() ) { |
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debugError("Could not open file.\n"); |
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return false; |
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} |
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// FIXME: figure out what the file header means |
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debugOutput(DEBUG_LEVEL_VERBOSE, " Writing file header...\n"); |
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char header[ECHO_SESSION_FILE_START_OFFSET]; |
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sessfile.write(header, ECHO_SESSION_FILE_START_OFFSET); |
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debugOutput(DEBUG_LEVEL_VERBOSE, " Writing session data...\n"); |
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int size = sizeof(SessionHeader) + sizeof(SubSession); |
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char data[size]; |
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if(!saveToMemory(data, size)) { |
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debugError("Could not save session to memory block\n"); |
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return false; |
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} |
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sessfile.write(data, size); |
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sessfile.close(); |
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return true; |
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} |
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bool |
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Session::loadFromMemory(void *buff, size_t len) |
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{ |
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if (len != sizeof(SessionHeader) + sizeof(SubSession)) { |
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debugError("Invalid session length\n"); |
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return false; |
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} |
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char *raw = (char *)buff; |
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memcpy(&h, raw, sizeof(SessionHeader)); |
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memcpy(&s, raw+sizeof(SessionHeader), sizeof(SubSession)); |
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if (len != h.size_quads*4) { |
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debugWarning("size not correct: got %d, should be %d according to data\n", len, h.size_quads*4); |
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} |
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#if __BYTE_ORDER == __BIG_ENDIAN |
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unsigned int i=0; |
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uint32_t *data = (uint32_t *)(&s); |
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for(; i < sizeof(SubSession)/4; i++) { |
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*data = ByteSwap32(*data); |
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data++; |
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} |
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#endif |
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return true; |
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} |
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bool |
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Session::saveToMemory(void *buff, size_t max_len) |
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{ |
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if (max_len < sizeof(SessionHeader) + sizeof(SubSession)) { |
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debugError("Max length too small\n"); |
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return false; |
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} |
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char *raw = (char *)buff; |
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memcpy(raw, &h, sizeof(SessionHeader)); |
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memcpy(raw+sizeof(SessionHeader), &s, sizeof(SubSession)); |
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#if __BYTE_ORDER == __BIG_ENDIAN |
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unsigned int i=0; |
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uint32_t *data = (uint32_t *)(raw+sizeof(SessionHeader)); |
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for(; i < sizeof(SubSession)/4; i++) { |
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*data = ByteSwap32(*data); |
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data++; |
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} |
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#endif |
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return true; |
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} |
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uint32_t |
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Session::calculateCRC() |
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{ |
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debugWarning("unimplemented\n"); |
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return 0; |
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} |
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void |
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Session::show() |
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{ |
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debugOutput(DEBUG_LEVEL_NORMAL, "Session Block\n"); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Size.............: %u (%08X)\n", h.size_quads, h.size_quads); |
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debugOutput(DEBUG_LEVEL_NORMAL, " CRC..............: %u (%08X)\n", h.crc, h.crc); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Version..........: %u (%08X)\n", h.version, h.version); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Flags............: %u (%08X)\n", h.flags, h.flags); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Mirror Channel...: %d (%08X)\n", h.mirror_channel, h.mirror_channel); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Digital Mode.....: %d (%08X)\n", h.digital_mode, h.digital_mode); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Clock............: %d (%08X)\n", h.clock, h.clock); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Rate.............: %d (%08X)\n", h.rate, h.rate); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Gains:\n"); |
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for(unsigned int in = 0; in < ECHO_SESSION_MAX_PHY_AUDIO_IN; in++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, " MON %02u: ", in); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "%08X ", h.monitorgains[in][out]); |
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flushDebugOutput(); |
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} |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "\n"); |
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} |
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debugOutput(DEBUG_LEVEL_NORMAL, " PGAIN : "); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "%08X ", h.playbackgains[out]); |
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flushDebugOutput(); |
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} |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "\n"); |
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debugOutput(DEBUG_LEVEL_NORMAL, " OGAIN : "); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "%08X ", h.outputgains[out]); |
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flushDebugOutput(); |
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} |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "\n"); |
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debugOutput(DEBUG_LEVEL_NORMAL, " Input settings:\n"); |
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for(unsigned int in = 0; in < ECHO_SESSION_MAX_PHY_AUDIO_IN; in++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" IN %02u: shift: %02X, pad: %02X, label: %s\n", |
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in, s.inputs[in].shift, s.inputs[in].pad, s.inputs[in].label); |
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flushDebugOutput(); |
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} |
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debugOutput(DEBUG_LEVEL_NORMAL, " Pans:\n"); |
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for(unsigned int in = 0; in < ECHO_SESSION_MAX_PHY_AUDIO_IN; in++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, " IN %02u: ", in); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "%03u ", s.monitorpans[in][out]); |
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flushDebugOutput(); |
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} |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "\n"); |
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} |
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debugOutput(DEBUG_LEVEL_NORMAL, " Flags:\n"); |
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for(unsigned int in = 0; in < ECHO_SESSION_MAX_PHY_AUDIO_IN; in++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, " IN %02u: ", in); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "%02X ", s.monitorflags[in][out]); |
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flushDebugOutput(); |
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} |
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debugOutputShort(DEBUG_LEVEL_NORMAL, "\n"); |
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} |
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debugOutput(DEBUG_LEVEL_NORMAL, " Playback settings:\n"); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" PBK %02u: mute: %02X, solo: %02X, label: %s\n", |
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out, s.playbacks[out].mute, s.playbacks[out].solo, s.playbacks[out].label); |
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} |
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debugOutput(DEBUG_LEVEL_NORMAL, " Output settings:\n"); |
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for(unsigned int out = 0; out < ECHO_SESSION_MAX_PHY_AUDIO_OUT; out++) { |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" OUT %02u: mute: %02X, shift: %02X, label: %s\n", |
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out, s.outputs[out].mute, s.outputs[out].shift, s.outputs[out].label); |
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flushDebugOutput(); |
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} |
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} |
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void |
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Session::dumpData() |
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{ |
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} |
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} // FireWorks |
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