X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fmidi%2B%2B2%2Fchannel.cc;h=b3cb42f59322662c601bf83e9bd20fe2b9c689de;hb=65d3f6523f956a6d2bb9d5edbc45d484c163575f;hp=ed8f4da5bc2b56c7910fd263f5aa7140a4d306ae;hpb=b550a6e85bdb43e342f4955f4e16ffbc47fb06cb;p=ardour.git diff --git a/libs/midi++2/channel.cc b/libs/midi++2/channel.cc index ed8f4da5bc..b3cb42f593 100644 --- a/libs/midi++2/channel.cc +++ b/libs/midi++2/channel.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 1998-99 Paul Barton-Davis + Copyright (C) 1998-99 Paul Barton-Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -25,13 +25,13 @@ using namespace MIDI; -Channel::Channel (MIDI::byte channelnum, Port &p) +Channel::Channel (MIDI::byte channelnum, Port &p) : _port (p) { _channel_number = channelnum; reset (0, 1, false); -} +} void Channel::connect_signals () @@ -66,7 +66,7 @@ Channel::reset (timestamp_t timestamp, framecnt_t /*nframes*/, bool notes_off) memset (_polypress, 0, sizeof (_polypress)); memset (_controller_msb, 0, sizeof (_controller_msb)); memset (_controller_lsb, 0, sizeof (_controller_lsb)); - + /* zero all controllers XXX not necessarily the right thing */ memset (_controller_val, 0, sizeof (_controller_val)); @@ -87,7 +87,7 @@ Channel::reset (timestamp_t timestamp, framecnt_t /*nframes*/, bool notes_off) } void -Channel::process_note_off (Parser & /*parser*/, EventTwoBytes *tb) +Channel::process_note_off (Parser & /*parser*/, EventTwoBytes *tb) { _last_note_off = tb->note_number; _last_off_velocity = tb->velocity; @@ -98,7 +98,7 @@ Channel::process_note_off (Parser & /*parser*/, EventTwoBytes *tb) } void -Channel::process_note_on (Parser & /*parser*/, EventTwoBytes *tb) +Channel::process_note_on (Parser & /*parser*/, EventTwoBytes *tb) { _last_note_on = tb->note_number; _last_on_velocity = tb->velocity; @@ -106,7 +106,7 @@ Channel::process_note_on (Parser & /*parser*/, EventTwoBytes *tb) } void -Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) +Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) { unsigned short cv; @@ -115,10 +115,10 @@ Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) all changes *are* atomic. */ - if (tb->controller_number <= 31) { /* unsigned: no test for >= 0 */ + if (tb->controller_number < 32) { /* unsigned: no test for >= 0 */ /* if this controller is already known to use 14 bits, - then treat this value as the MSB, and combine it + then treat this value as the MSB, and combine it with the existing LSB. otherwise, just treat it as a 7 bit value, and set @@ -128,31 +128,32 @@ Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) cv = (unsigned short) _controller_val[tb->controller_number]; if (_controller_14bit[tb->controller_number]) { - cv = ((tb->value << 7) | (cv & 0x7f)); + cv = ((tb->value & 0x7f) << 7) | (cv & 0x7f); } else { cv = tb->value; } _controller_val[tb->controller_number] = (controller_value_t)cv; - } else if ((tb->controller_number >= 32 && + } else if ((tb->controller_number >= 32 && tb->controller_number <= 63)) { - - cv = (unsigned short) _controller_val[tb->controller_number]; - /* LSB for CC 0-31 arrived. + int cn = tb->controller_number - 32; + + cv = (unsigned short) _controller_val[cn]; + + /* LSB for CC 0-31 arrived. If this is the first time (i.e. its currently flagged as a 7 bit controller), mark the controller as 14 bit, adjust the existing value - to be the MSB, and OR-in the new LSB value. + to be the MSB, and OR-in the new LSB value. otherwise, OR-in the new low 7bits with the old high 7. */ - int cn = tb->controller_number - 32; - + if (_controller_14bit[cn] == false) { _controller_14bit[cn] = true; cv = (cv << 7) | (tb->value & 0x7f); @@ -160,53 +161,58 @@ Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) cv = (cv & 0x3f80) | (tb->value & 0x7f); } - _controller_val[tb->controller_number] = - (controller_value_t) cv; + /* update the 14 bit value */ + _controller_val[cn] = (controller_value_t) cv; + + /* also store the "raw" 7 bit value in the incoming controller + value store + */ + _controller_val[tb->controller_number] = (controller_value_t) tb->value; + } else { /* controller can only take 7 bit values */ - - _controller_val[tb->controller_number] = + + _controller_val[tb->controller_number] = (controller_value_t) tb->value; } /* bank numbers are special, in that they have their own signal */ - if (tb->controller_number == 0) { - _bank_number = (unsigned short) _controller_val[0]; + if (tb->controller_number == 0 || tb->controller_number == 0x20) { + _bank_number = _controller_val[0]; _port.parser()->bank_change (*_port.parser(), _bank_number); _port.parser()->channel_bank_change[_channel_number] (*_port.parser(), _bank_number); } - } void -Channel::process_program_change (Parser & /*parser*/, MIDI::byte val) +Channel::process_program_change (Parser & /*parser*/, MIDI::byte val) { _program_number = val; } void -Channel::process_chanpress (Parser & /*parser*/, MIDI::byte val) +Channel::process_chanpress (Parser & /*parser*/, MIDI::byte val) { _chanpress = val; } void -Channel::process_polypress (Parser & /*parser*/, EventTwoBytes *tb) +Channel::process_polypress (Parser & /*parser*/, EventTwoBytes *tb) { _polypress[tb->note_number] = tb->value; } void -Channel::process_pitchbend (Parser & /*parser*/, pitchbend_t val) +Channel::process_pitchbend (Parser & /*parser*/, pitchbend_t val) { _pitch_bend = val; } void -Channel::process_reset (Parser & /*parser*/) +Channel::process_reset (Parser & /*parser*/) { reset (0, 1); }