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* Add SysEx Support to MidiModel / SMF

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git-svn-id: svn://localhost/ardour2/branches/3.0@4492 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Hans Baier 2009-02-06 20:31:00 +00:00
parent 67d545c080
commit 3d594b460b
5 changed files with 164 additions and 31 deletions
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33
libs/evoral/src/SMF.cpp
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@ -249,10 +249,33 @@ SMF<T>::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
}
}
const int event_size = midi_event_size((unsigned char)status);
int event_size = midi_event_size((unsigned char)status);
if (event_size <= 0) {
*size = 0;
return 0;
// if sysex, determine the size of the event
if ((status & 0xF0) == MIDI_CMD_COMMON_SYSEX) {
fpos_t after_sysex_status_byte_position;
int success = fgetpos(_fd, &after_sysex_status_byte_position);
assert(success == 0);
event_size = 1;
while(true) {
int byte = fgetc(_fd);
if (byte == EOF) {
// premature end
return -1;
}
++event_size;
if ((byte & 0xff) == MIDI_CMD_COMMON_SYSEX_END) {
break;
}
}
success = fsetpos(_fd, &after_sysex_status_byte_position);
assert(success == 0);
} else {
*size = 0;
return 0;
}
}
// Make sure we have enough scratch buffer
@ -265,11 +288,11 @@ SMF<T>::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
if (event_size > 1)
fread((*buf) + 1, 1, *size - 1, _fd);
/*printf("SMF %s read event: delta = %u, size = %u, data = ", _name.c_str(), *delta_t, *size);
printf("SMF read event: delta = %u, size = %u, data = ", *delta_t, *size);
for (size_t i=0; i < *size; ++i) {
printf("%X ", (*buf)[i]);
}
printf("\n");*/
printf("\n");
return (int)*size;
}