#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
+#include <regex.h>
#include "pbd/pathscanner.h"
#include "pbd/stl_delete.h"
throw failed_constructor ();
}
- /* file is not opened until write */
+ /* file is not opened until write */
}
/** Constructor used for existing internal-to-session files. */
throw failed_constructor ();
}
- _open = true;
+ _open = true;
}
SMFSource::~SMFSource ()
SMFSource::open_for_write ()
{
if (create (_path)) {
- return -1;
- }
- _open = true;
- return 0;
+ return -1;
+ }
+ _open = true;
+ return 0;
}
/** All stamps in audio frames */
framecnt_t
-SMFSource::read_unlocked (Evoral::EventSink<framepos_t>& destination, framepos_t const source_start,
- framepos_t start, framecnt_t duration,
- MidiStateTracker* tracker) const
+SMFSource::read_unlocked (Evoral::EventSink<framepos_t>& destination,
+ framepos_t const source_start,
+ framepos_t start,
+ framecnt_t duration,
+ MidiStateTracker* tracker) const
{
int ret = 0;
uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
- if (writable() && !_open) {
- /* nothing to read since nothing has ben written */
- return duration;
- }
+ if (writable() && !_open) {
+ /* nothing to read since nothing has ben written */
+ return duration;
+ }
DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start %1 duration %2\n", start, duration));
return duration;
}
-/** Write data to this source from a MidiRingBuffer.
- * @param source Buffer to read from.
- * @param position This source's start position in session frames.
- */
framecnt_t
-SMFSource::write_unlocked (MidiRingBuffer<framepos_t>& source, framepos_t position, framecnt_t duration)
+SMFSource::write_unlocked (MidiRingBuffer<framepos_t>& source,
+ framepos_t position,
+ framecnt_t cnt)
{
- if (!_writing) {
- mark_streaming_write_started ();
- }
+ if (!_writing) {
+ mark_streaming_write_started ();
+ }
framepos_t time;
Evoral::EventType type;
size_t buf_capacity = 4;
uint8_t* buf = (uint8_t*)malloc(buf_capacity);
- if (_model && ! _model->writing()) {
+ if (_model && !_model->writing()) {
_model->start_write();
}
Evoral::MIDIEvent<framepos_t> ev;
-
- // cerr << "SMFSource::write unlocked, begins writing from src buffer with _last_write_end = " << _last_write_end << " dur = " << duration << endl;
-
while (true) {
+ /* Get the event time, in frames since session start but ignoring looping. */
bool ret;
-
if (!(ret = source.peek ((uint8_t*)&time, sizeof (time)))) {
- /* no more events to consider */
+ /* Ring is empty, no more events. */
break;
}
- if ((duration != max_framecnt) && (time > (_last_write_end + duration))) {
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("SMFSource::write_unlocked: dropping event @ %1 because it is later than %2 + %3\n",
- time, _last_write_end, duration));
+ if ((cnt != max_framecnt) &&
+ (time > position + _capture_length + cnt)) {
+ /* The diskstream doesn't want us to write everything, and this
+ event is past the end of this block, so we're done for now. */
break;
}
+ /* Read the time, type, and size of the event. */
if (!(ret = source.read_prefix (&time, &type, &size))) {
- error << _("Unable to read event prefix, corrupt MIDI ring buffer") << endmsg;
+ error << _("Unable to read event prefix, corrupt MIDI ring") << endmsg;
break;
}
+ /* Enlarge body buffer if necessary now that we know the size. */
if (size > buf_capacity) {
buf_capacity = size;
buf = (uint8_t*)realloc(buf, size);
}
+ /* Read the event body into buffer. */
ret = source.read_contents(size, buf);
if (!ret) {
- error << _("Read time/size but not buffer, corrupt MIDI ring buffer") << endmsg;
+ error << _("Event has time and size but no body, corrupt MIDI ring") << endmsg;
break;
}
- /* convert from session time to time relative to the source start */
- assert(time >= position);
+ /* Convert event time from absolute to source relative. */
+ if (time < position) {
+ error << _("Event time is before MIDI source position") << endmsg;
+ break;
+ }
time -= position;
-
+
ev.set(buf, size, time);
ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0]));
- ev.set_id (Evoral::next_event_id());
+ ev.set_id(Evoral::next_event_id());
if (!(ev.is_channel_event() || ev.is_smf_meta_event() || ev.is_sysex())) {
- /*cerr << "SMFSource: WARNING: caller tried to write non SMF-Event of type "
- << std::hex << int(ev.buffer()[0]) << endl;*/
continue;
}
Evoral::SMF::flush ();
free (buf);
- return duration;
+ return cnt;
}
-
/** Append an event with a timestamp in beats (double) */
void
SMFSource::append_event_unlocked_beats (const Evoral::Event<double>& ev)
{
- assert(_writing);
- if (ev.size() == 0) {
+ if (!_writing || ev.size() == 0) {
return;
}
name().c_str(), ev.id(), ev.time(), ev.size());
for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
- assert(ev.time() >= 0);
if (ev.time() < _last_ev_time_beats) {
- cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl;
+ warning << string_compose(_("Skipping event with unordered time %1"), ev.time())
+ << endmsg;
return;
}
void
SMFSource::append_event_unlocked_frames (const Evoral::Event<framepos_t>& ev, framepos_t position)
{
- assert(_writing);
- if (ev.size() == 0) {
- cerr << "SMFSource: asked to append zero-size event\n";
+ if (!_writing || ev.size() == 0) {
return;
}
// for (size_t i=0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");
if (ev.time() < _last_ev_time_frames) {
- cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl;
+ warning << string_compose(_("Skipping event with unordered time %1"), ev.time())
+ << endmsg;
return;
}
const Evoral::Event<double> beat_ev (ev.event_type(),
ev_time_beats,
ev.size(),
- (uint8_t*)ev.buffer());
+ const_cast<uint8_t*>(ev.buffer()));
_model->append (beat_ev, event_id);
}
void
SMFSource::mark_streaming_midi_write_started (NoteMode mode)
{
- /* CALLER MUST HOLD LOCK */
+ /* CALLER MUST HOLD LOCK */
- if (!_open && open_for_write()) {
- error << string_compose (_("cannot open MIDI file %1 for write"), _path) << endmsg;
- /* XXX should probably throw or return something */
- return;
- }
+ if (!_open && open_for_write()) {
+ error << string_compose (_("cannot open MIDI file %1 for write"), _path) << endmsg;
+ /* XXX should probably throw or return something */
+ return;
+ }
MidiSource::mark_streaming_midi_write_started (mode);
Evoral::SMF::begin_write ();
bool
SMFSource::safe_midi_file_extension (const string& file)
{
- return (file.rfind(".mid") != string::npos) || (file.rfind (".MID") != string::npos);
+ static regex_t compiled_pattern;
+ static bool compile = true;
+ const int nmatches = 2;
+ regmatch_t matches[nmatches];
+
+ if (compile && regcomp (&compiled_pattern, "[mM][iI][dD][iI]?$", REG_EXTENDED)) {
+ return false;
+ } else {
+ compile = false;
+ }
+
+ if (regexec (&compiled_pattern, file.c_str(), nmatches, matches, 0)) {
+ return false;
+ }
+
+ return true;
}
void
_model->clear();
}
- if (writable() && !_open) {
- return;
- }
+ if (writable() && !_open) {
+ return;
+ }
_model->start_write();
Evoral::SMF::seek_to_start();
projects / ardour.git / blobdiff