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- Added better error messages for MIDI playback failure than just "MIDI playback failure".

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SVN r2383 (trunk)
This commit is contained in:
Randy Heit 2010-06-20 04:41:23 +00:00
parent e379d24388
commit 503b934938
2 changed files with 72 additions and 18 deletions
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2
src/sound/i_musicinterns.h
View file

@ -288,7 +288,7 @@ protected:
void OutputVolume (DWORD volume);
int FillBuffer(int buffer_num, int max_events, DWORD max_time);
bool ServiceEvent();
int ServiceEvent();
int VolumeControllerChange(int channel, int volume);
static void Callback(unsigned int uMsg, void *userdata, DWORD dwParam1, DWORD dwParam2);

88
src/sound/music_midistream.cpp
View file

@ -518,9 +518,59 @@ void MIDIStreamer::Update()
if (PlayerThread != NULL &&
WaitForSingleObject(PlayerThread, 0) == WAIT_OBJECT_0)
{
static const char *const MMErrorCodes[] =
{
"No error",
"Unspecified error",
"Device ID out of range",
"Driver failed enable",
"Device already allocated",
"Device handle is invalid",
"No device driver present",
"Memory allocation error",
"Function isn't supported",
"Error value out of range",
"Invalid flag passed",
"Invalid parameter passed",
"Handle being used simultaneously on another thread",
"Specified alias not found",
"Bad registry database",
"Registry key not found",
"Registry read error",
"Registry write error",
"Registry delete error",
"Registry value not found",
"Driver does not call DriverCallback",
"More data to be returned",
};
static const char *const MidiErrorCodes[] =
{
"MIDI header not prepared",
"MIDI still playing something",
"MIDI no configured instruments",
"MIDI hardware is still busy",
"MIDI port no longer connected",
"MIDI invalid MIF",
"MIDI operation unsupported with open mode",
"MIDI through device 'eating' a message",
};
DWORD code = 0xABADCAFE;
GetExitCodeThread(PlayerThread, &code);
CloseHandle(PlayerThread);
PlayerThread = NULL;
Printf ("MIDI playback failure\n");
Printf ("MIDI playback failure: ");
if (code >= 0 && code < countof(MMErrorCodes))
{
Printf("%s\n", MMErrorCodes[code]);
}
else if (code >= MIDIERR_BASE && code < MIDIERR_BASE + countof(MidiErrorCodes))
{
Printf("%s\n", MidiErrorCodes[code - MIDIERR_BASE]);
}
else
{
Printf("%08x\n", code);
}
Stop();
}
#endif
@ -553,6 +603,7 @@ DWORD WINAPI MIDIStreamer::PlayerProc (LPVOID lpParameter)
DWORD MIDIStreamer::PlayerLoop()
{
HANDLE events[2] = { BufferDoneEvent, ExitEvent };
int res;
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
@ -561,9 +612,9 @@ DWORD MIDIStreamer::PlayerLoop()
switch (WaitForMultipleObjects(2, events, FALSE, INFINITE))
{
case WAIT_OBJECT_0:
if (ServiceEvent())
if (0 != (res = ServiceEvent()))
{
return 1;
return res;
}
break;
@ -572,7 +623,7 @@ DWORD MIDIStreamer::PlayerLoop()
default:
// Should not happen.
return 1;
return MMSYSERR_ERROR;
}
}
}
@ -584,28 +635,31 @@ DWORD MIDIStreamer::PlayerLoop()
//
// Fills the buffer that just finished playing with new events and appends
// it to the MIDI stream queue. Stops the song if playback is over. Returns
// true if a problem occured and playback should stop.
// non-zero if a problem occured and playback should stop.
//
//==========================================================================
bool MIDIStreamer::ServiceEvent()
int MIDIStreamer::ServiceEvent()
{
int res;
if (EndQueued == 1)
{
return false;
return 0;
}
if (0 != MIDI->UnprepareHeader(&Buffer[BufferNum]))
if (0 != (res = MIDI->UnprepareHeader(&Buffer[BufferNum])))
{
return true;
return res;
}
fill:
switch (FillBuffer(BufferNum, MAX_EVENTS, MAX_TIME))
res = FillBuffer(BufferNum, MAX_EVENTS, MAX_TIME);
switch (res & 3)
{
case SONG_MORE:
if ((MIDI->NeedThreadedCallback() && 0 != MIDI->StreamOutSync(&Buffer[BufferNum])) ||
(!MIDI->NeedThreadedCallback() && 0 != MIDI->StreamOut(&Buffer[BufferNum])))
if ((MIDI->NeedThreadedCallback() && 0 != (res = MIDI->StreamOutSync(&Buffer[BufferNum]))) ||
(!MIDI->NeedThreadedCallback() && 0 != (res = MIDI->StreamOut(&Buffer[BufferNum]))))
{
return true;
return res;
}
else
{
@ -623,9 +677,9 @@ fill:
break;
default:
return true;
return res >> 2;
}
return false;
return 0;
}
//==========================================================================
@ -720,9 +774,9 @@ int MIDIStreamer::FillBuffer(int buffer_num, int max_events, DWORD max_time)
Buffer[buffer_num].lpData = (LPSTR)Events[buffer_num];
Buffer[buffer_num].dwBufferLength = DWORD((LPSTR)events - Buffer[buffer_num].lpData);
Buffer[buffer_num].dwBytesRecorded = Buffer[buffer_num].dwBufferLength;
if (0 != MIDI->PrepareHeader(&Buffer[buffer_num]))
if (0 != (i = MIDI->PrepareHeader(&Buffer[buffer_num])))
{
return SONG_ERROR;
return SONG_ERROR | (i << 2);
}
return SONG_MORE;
}