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patch from rodrigo severo to make mackie timecode display work

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git-svn-id: svn://localhost/ardour2/branches/3.0@12480 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis
2012-05-29 20:18:43 +00:00
parent 9d40a072a4
commit 1d5bade8a1
2 changed files with 9 additions and 30 deletions
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32
libs/surfaces/mackie/surface.cc
View File

@@ -692,19 +692,14 @@ Surface::show_two_char_display (unsigned int value, const std::string & /*dots*/
show_two_char_display (os.str());
}
void
Surface::display_timecode (const std::string & timecode, const std::string & timecode_last)
void
Surface::display_timecode (const std::string & timecode, const std::string & last_timecode)
{
if (_active && _mcp.device_info().has_timecode_display()) {
_port->write (timecode_display (timecode, timecode_last));
if (!_active || _mcp.device_info().has_timecode_display()) {
return;
}
}
MidiByteArray
Surface::timecode_display (const std::string & timecode, const std::string & last_timecode)
{
// if there's no change, send nothing, not even sysex header
if (timecode == last_timecode) return MidiByteArray();
if (timecode == last_timecode) return;
// length sanity checking
string local_timecode = timecode;
@@ -722,25 +717,16 @@ Surface::timecode_display (const std::string & timecode, const std::string & las
// find the suffix of local_timecode that differs from last_timecode
std::pair<string::const_iterator,string::iterator> pp = mismatch (last_timecode.begin(), last_timecode.end(), local_timecode.begin());
MidiByteArray retval;
// sysex header
retval << sysex_hdr();
// code for timecode display
retval << 0x10;
int position = 0x40;
// translate characters. These are sent in reverse order of display
// hence the reverse iterators
string::reverse_iterator rend = reverse_iterator<string::iterator> (pp.second);
for (string::reverse_iterator it = local_timecode.rbegin(); it != rend; ++it) {
MidiByteArray retval (2, 0xb0, position++);
retval << translate_seven_segment (*it);
_port->write (retval);
}
// sysex trailer
retval << MIDI::eox;
return retval;
}
void

7
libs/surfaces/mackie/surface.h
View File

@@ -136,13 +136,6 @@ public:
void show_two_char_display (const std::string & msg, const std::string & dots = " ");
void show_two_char_display (unsigned int value, const std::string & dots = " ");
/**
Timecode display. Only the difference between timecode and last_timecode will
be encoded, to save midi bandwidth. If they're the same, an empty array will
be returned
*/
MidiByteArray timecode_display (const std::string & timecode, const std::string & last_timecode = "");
void update_view_mode_display ();
void update_flip_mode_display ();