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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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#ifndef FIREWORKS_SESSION_BLOCK_H |
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#define FIREWORKS_SESSION_BLOCK_H |
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#include "debugmodule/debugmodule.h" |
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#include <string> |
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#include "efc/efc_cmds_ioconfig.h" |
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namespace FireWorks { |
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#define ECHO_SESSION_FILE_START_OFFSET 0x0040 |
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// we only support version 2 |
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#define SESSION_VERSION 0x00000200 |
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#define ECHO_SESSION_MAX_PHY_AUDIO_IN 40 |
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#define ECHO_SESSION_MAX_PHY_AUDIO_OUT 40 |
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#define ECHO_SESSION_MAX_1394_REC_CHAN 40 |
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#define ECHO_SESSION_MAX_1394_PLAY_CHAN 40 |
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#define ECHO_SESSION_MAX_LABEL_SIZE 22 |
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#define ECHO_SESSION_MUTE_BIT 1 |
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#define ECHO_SESSION_SOLO_BIT 2 |
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#define ECHO_SESSION_PAD_BIT 4 |
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// Phantom power bit is set in the "flags" |
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#define ECHO_SESSION_FLAG_PHANTOM_POWER_BIT 31 |
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#define ECHO_SESSION_FLAG_PHANTOM_POWER (1 << ECHO_SESSION_FLAG_PHANTOM_POWER_BIT) |
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// CRC codes |
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#define ECHO_SESSION_CRC_START_OFFSET_BYTES ( sizeof(uint32_t) * 2 ) |
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#define ECHO_SESSION_CRC_START_OFFSET_QUADS ( ECHO_SESSION_CRC_START_OFFSET_BYTES/sizeof(uint32_t) ) |
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#define ECHO_SESSION_CRC_INITIAL_REMAINDER 0xFFFFFFFF |
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#define ECHO_SESSION_CRC_FINAL_XOR_VALUE 0xFFFFFFFF |
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class Device; |
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class Session |
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{ |
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public: |
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typedef struct |
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{ |
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byte_t shift; |
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byte_t pad; |
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char label[ECHO_SESSION_MAX_LABEL_SIZE]; |
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} InputSettings; |
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typedef struct |
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{ |
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byte_t mute; |
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byte_t solo; |
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char label[ECHO_SESSION_MAX_LABEL_SIZE]; |
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} PlaybackSettings; |
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typedef struct |
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{ |
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byte_t mute; |
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byte_t shift; |
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char label[ECHO_SESSION_MAX_LABEL_SIZE]; |
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} OutputSettings; |
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typedef struct |
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{ |
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InputSettings inputs[ECHO_SESSION_MAX_PHY_AUDIO_IN]; |
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byte_t monitorpans[ECHO_SESSION_MAX_PHY_AUDIO_IN][ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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byte_t monitorflags[ECHO_SESSION_MAX_PHY_AUDIO_IN][ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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PlaybackSettings playbacks[ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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OutputSettings outputs[ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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} SubSession; |
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typedef struct |
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{ |
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uint32_t size_quads; |
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uint32_t crc; |
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uint32_t version; |
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uint32_t flags; |
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int32_t mirror_channel; |
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int32_t digital_mode; |
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int32_t clock; |
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int32_t rate; |
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uint32_t monitorgains[ECHO_SESSION_MAX_PHY_AUDIO_IN][ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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uint32_t playbackgains[ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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uint32_t outputgains[ECHO_SESSION_MAX_PHY_AUDIO_OUT]; |
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IsoChannelMap ChannelMap2X; |
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IsoChannelMap ChannelMap4X; |
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} SessionHeader; |
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public: |
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Session(); |
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virtual ~Session(); |
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bool loadFromDevice(Device &); |
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bool saveToDevice(Device &); |
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bool loadFromFile(std::string name); |
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bool saveToFile(std::string name); |
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bool loadFromMemory(void *buff, size_t len); |
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bool saveToMemory(void *buff, size_t max_len); |
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virtual void setVerboseLevel(int l) |
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{setDebugLevel(l);}; |
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void dumpData(); |
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void show(); |
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uint32_t calculateCRC(); |
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uint32_t calculateCRC(void *memblock, size_t max_len); |
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SessionHeader h; |
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SubSession s; |
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private: |
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DECLARE_DEBUG_MODULE; |
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}; |
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} // FireWorks |
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#endif //FIREWORKS_SESSION_BLOCK_H |
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