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add more debugging to portaudio/MME MIDI backend

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This commit is contained in:
Paul Davis 2015-10-06 11:01:58 -04:00
parent 8431d102b9
commit 89156be67a
1 changed files with 38 additions and 27 deletions
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11
libs/backends/portaudio/winmmemidi_output_device.cc
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@ -360,14 +360,19 @@ WinMMEMidiOutputDevice::midi_output_thread ()
while (!m_thread_quit) { while (!m_thread_quit) {
if (!wait (m_queue_semaphore)) { if (!wait (m_queue_semaphore)) {
DEBUG_MIDI ("WinMMEMidiOut: output thread waiting for semaphore failed\n");
break; break;
} }
DEBUG_MIDI ("WinMMEMidiOut: output thread woken by semaphore\n");
MidiEventHeader h (0, 0); MidiEventHeader h (0, 0);
uint8_t data[MAX_MIDI_MSG_SIZE]; uint8_t data[MAX_MIDI_MSG_SIZE];
const uint32_t read_space = m_midi_buffer->read_space (); const uint32_t read_space = m_midi_buffer->read_space ();
DEBUG_MIDI (string_compose ("WinMMEMidiOut: total readable MIDI data %1\n", read_space));
if (read_space > sizeof(MidiEventHeader)) { if (read_space > sizeof(MidiEventHeader)) {
if (m_midi_buffer->read ((uint8_t*)&h, sizeof(MidiEventHeader)) != if (m_midi_buffer->read ((uint8_t*)&h, sizeof(MidiEventHeader)) !=
sizeof(MidiEventHeader)) { sizeof(MidiEventHeader)) {
@ -425,6 +430,8 @@ WinMMEMidiOutputDevice::midi_output_thread ()
((double)(current_time - h.time)) / 1000.0)); ((double)(current_time - h.time)) / 1000.0));
} }
DEBUG_MIDI (string_compose ("WinMMEMidiOut: MIDI event size: %1 time %2 now %3\n", h.size, h.time, current_time));
DWORD message = 0; DWORD message = 0;
MMRESULT result; MMRESULT result;
switch (h.size) { switch (h.size) {
@ -466,7 +473,11 @@ WinMMEMidiOutputDevice::midi_output_thread ()
// Sysex messages may be sent synchronously or asynchronously. The // Sysex messages may be sent synchronously or asynchronously. The
// choice is up to the WinMME driver. So, we wait until the message is // choice is up to the WinMME driver. So, we wait until the message is
// sent, regardless of the driver's choice. // sent, regardless of the driver's choice.
DEBUG_MIDI ("WinMMEMidiOut: wait for sysex semaphore\n");
if (!wait (m_sysex_semaphore)) { if (!wait (m_sysex_semaphore)) {
DEBUG_MIDI ("WinMMEMidiOut: wait for sysex semaphore - failed!\n");
break; break;
} }