add more debugging to portaudio/MME MIDI backend
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8431d102b9
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@ -360,14 +360,19 @@ WinMMEMidiOutputDevice::midi_output_thread ()
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while (!m_thread_quit) {
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if (!wait (m_queue_semaphore)) {
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DEBUG_MIDI ("WinMMEMidiOut: output thread waiting for semaphore failed\n");
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break;
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}
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DEBUG_MIDI ("WinMMEMidiOut: output thread woken by semaphore\n");
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MidiEventHeader h (0, 0);
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uint8_t data[MAX_MIDI_MSG_SIZE];
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const uint32_t read_space = m_midi_buffer->read_space ();
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DEBUG_MIDI (string_compose ("WinMMEMidiOut: total readable MIDI data %1\n", read_space));
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if (read_space > sizeof(MidiEventHeader)) {
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if (m_midi_buffer->read ((uint8_t*)&h, sizeof(MidiEventHeader)) !=
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sizeof(MidiEventHeader)) {
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@ -425,6 +430,8 @@ WinMMEMidiOutputDevice::midi_output_thread ()
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((double)(current_time - h.time)) / 1000.0));
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}
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DEBUG_MIDI (string_compose ("WinMMEMidiOut: MIDI event size: %1 time %2 now %3\n", h.size, h.time, current_time));
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DWORD message = 0;
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MMRESULT result;
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switch (h.size) {
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@ -466,7 +473,11 @@ WinMMEMidiOutputDevice::midi_output_thread ()
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// Sysex messages may be sent synchronously or asynchronously. The
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// choice is up to the WinMME driver. So, we wait until the message is
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// sent, regardless of the driver's choice.
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DEBUG_MIDI ("WinMMEMidiOut: wait for sysex semaphore\n");
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if (!wait (m_sysex_semaphore)) {
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DEBUG_MIDI ("WinMMEMidiOut: wait for sysex semaphore - failed!\n");
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break;
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}
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