static void MidiTakePreview (int mode, MediaItem_Take* take, MediaTrack* track, double volume, double startOffset, double measureSync, bool pauseDuringPrev)
{
/* mode: 0 -> stop *
* 1 -> start *
* 2 -> toggle */
if (IsRecording()) // Reaper won't preview anything during recording but extension will still think preview is in progress (could disrupt toggle states and send unneeded CC123)
return;
if (g_itemPreviewPlaying)
{
if (g_ItemPreview.preview_track)
{
StopTrackPreview(&g_ItemPreview);
SendAllNotesOff((MediaTrack*)g_ItemPreview.preview_track);
}
else
{
StopPreview(&g_ItemPreview);
}
g_itemPreviewPlaying = false;
delete g_ItemPreview.src;
if (g_itemPreviewPaused && mode != 1) // requesting new preview while old one is still playing shouldn't unpause playback
{
if (IsPaused()) OnPauseButton();
g_itemPreviewPaused = false;
}
if (mode == 2)
return;
}
if (mode == 0)
return;
if (take)
{
MediaItem* item = GetMediaItemTake_Item(take);
MediaItem_Take* oldTake = GetActiveTake(item);
bool itemMuteState = *(bool*)GetSetMediaItemInfo(item, "B_MUTE", NULL);
double effectiveTakeLen = EffectiveMidiTakeLength(take, true, true);
GetSetMediaItemInfo(item, "B_MUTE", &g_bFalse); // needs to be set before getting the source
SetActiveTake(take); // active item take and editor take may differ
PCM_source* src = ((PCM_source*)item)->Duplicate(); // must be item source otherwise item/take volume won't get accounted for
if (src && effectiveTakeLen > 0 && effectiveTakeLen > startOffset)
{
GetSetMediaItemInfo((MediaItem*)src, "D_POSITION", &g_d0);
GetSetMediaItemInfo((MediaItem*)src, "D_LENGTH", &effectiveTakeLen);
if (!g_ItemPreview.src)
{
#ifdef _WIN32
InitializeCriticalSection(&g_ItemPreview.cs);
#else
pthread_mutex_init(&g_ItemPreview.mutex, NULL);
#endif
g_ItemPreview.loop = false;
}
g_ItemPreview.src = src;
g_ItemPreview.m_out_chan = (track) ? (-1) : (0);
g_ItemPreview.curpos = startOffset;
g_ItemPreview.volume = volume;
g_ItemPreview.preview_track = track;
// Pause before preview otherwise MidiTakePreviewPlayState will stop it
g_itemPreviewPaused = pauseDuringPrev;
if (g_itemPreviewPaused && IsPlaying() && !IsPaused())
OnPauseButton();
if (g_ItemPreview.preview_track)
g_itemPreviewPlaying = !!PlayTrackPreview2Ex(NULL, &g_ItemPreview, (measureSync) ? (1) : (0), measureSync);
else
g_itemPreviewPlaying = !!PlayPreviewEx(&g_ItemPreview, (measureSync) ? (1) : (0), measureSync);
if (g_itemPreviewPlaying)
plugin_register("timer",(void*)MidiTakePreviewTimer);
else
delete g_ItemPreview.src;
}
SetActiveTake(oldTake);
GetSetMediaItemInfo(item, "B_MUTE", &itemMuteState);
}
}
static void MidiTakePreview (int mode, MediaItem_Take* take, MediaTrack* track, double volume, double startOffset, double measureSync, bool pauseDuringPrev)
{
/* mode: 0 -> stop *
* 1 -> start *
* 2 -> toggle */
// First stop any ongoing preview
RegisterCsurfPlayState(false, MidiTakePreviewPlayState);
if (g_itemPreviewPlaying)
{
if (g_ItemPreview.preview_track)
{
StopTrackPreview(&g_ItemPreview);
SendAllNotesOff((MediaTrack*)g_ItemPreview.preview_track);
}
else
{
StopPreview(&g_ItemPreview);
}
g_itemPreviewPlaying = false;
plugin_register("-timer",(void*)MidiTakePreviewTimer);
delete g_ItemPreview.src;
if (g_itemPreviewPaused && mode != 1) // requesting new preview while old one is still playing shouldn't unpause playback
{
if (IsPaused(NULL))
OnPauseButtonEx(NULL);
g_itemPreviewPaused = false;
}
// Toggled preview off...treat it as stop
if (mode == 2)
mode = 0;
}
// About IsRecording: REAPER won't preview anything during recording but extension will still think preview is in progress if we let it continue here
if (mode == 0 || IsRecording(NULL))
return;
if (take)
{
PreventUIRefresh(1); // item may get resized temporarily so hide it from the user
MediaItem* item = GetMediaItemTake_Item(take);
MediaItem_Take* oldTake = GetActiveTake(item);
bool itemMuteState = *(bool*)GetSetMediaItemInfo(item, "B_MUTE", NULL);
GetSetMediaItemInfo(item, "B_MUTE", &g_bFalse); // needs to be set before getting the source
SetActiveTake(take); // active item take and editor take may differ
// If timebase in MIDI editor is set to Beats (source), make sure item is croped so full MIDI source is visible beforing getting the source
double itemStart = -1;
double itemEnd = -1;
double takeOffset = 0;
double itemPositionOffset = 0;
if (GetToggleCommandState2(SectionFromUniqueID(SECTION_MIDI_EDITOR), 40470) > 0) // Timebase: Beats(source)
{
itemStart = GetMediaItemInfo_Value(item, "D_POSITION");
itemEnd = itemStart + GetMediaItemInfo_Value(item, "D_LENGTH");
takeOffset = GetMediaItemTakeInfo_Value(take, "D_STARTOFFS");
double sourceLenPPQ = GetMidiSourceLengthPPQ(take, NULL);
if (takeOffset != 0)
SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", 0);
double itemSourceStart = MIDI_GetProjTimeFromPPQPos(take, 0);
if (itemSourceStart < 0)
{
itemPositionOffset = abs(itemSourceStart);
SetMediaItemInfo_Value(item, "D_POSITION", itemStart + itemPositionOffset);
itemSourceStart = MIDI_GetProjTimeFromPPQPos(take, 0);
}
SetMediaItemInfo_Value(item, "D_POSITION", itemSourceStart);
SetMediaItemInfo_Value(item, "D_LENGTH", MIDI_GetProjTimeFromPPQPos(take, sourceLenPPQ) - itemSourceStart);
}
double effectiveTakeLen = EffectiveMidiTakeEnd(take, true, true, true) - GetMediaItemInfo_Value(item, "D_POSITION");
PCM_source* src = DuplicateSource((PCM_source*)item); // must be item source otherwise item/take volume won't get accounted for
if (src && effectiveTakeLen > 0)
{
GetSetMediaItemInfo((MediaItem*)src, "D_POSITION", &g_d0);
GetSetMediaItemInfo((MediaItem*)src, "D_LENGTH", &effectiveTakeLen);
if (!g_ItemPreview.src)
{
#ifdef _WIN32
InitializeCriticalSection(&g_ItemPreview.cs);
#else
pthread_mutex_init(&g_ItemPreview.mutex, NULL);
#endif
g_ItemPreview.loop = false;
}
g_ItemPreview.src = src;
g_ItemPreview.m_out_chan = (track) ? (-1) : (0);
g_ItemPreview.curpos = startOffset;
g_ItemPreview.volume = volume;
g_ItemPreview.preview_track = track;
// Pause before preview otherwise MidiTakePreviewPlayState will stop it
g_itemPreviewPaused = pauseDuringPrev;
if (g_itemPreviewPaused && IsPlaying(NULL) && !IsPaused(NULL))
OnPauseButton();
if (g_ItemPreview.preview_track)
g_itemPreviewPlaying = !!PlayTrackPreview2Ex(NULL, &g_ItemPreview, 1, measureSync);
else
g_itemPreviewPlaying = !!PlayPreviewEx(&g_ItemPreview, 1, measureSync);
if (g_itemPreviewPlaying)
{
plugin_register("timer",(void*)MidiTakePreviewTimer);
RegisterCsurfPlayState(true, MidiTakePreviewPlayState);
}
else
delete g_ItemPreview.src;
}
if (itemStart != -1)
{
SetMediaItemInfo_Value(item, "D_POSITION", itemStart + itemPositionOffset);
SetMediaItemInfo_Value(item, "D_LENGTH", itemEnd - itemStart);
if (itemPositionOffset != 0) SetMediaItemInfo_Value(item, "D_POSITION", itemStart);
if (takeOffset != 0) SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", takeOffset);
}
SetActiveTake(oldTake);
GetSetMediaItemInfo(item, "B_MUTE", &itemMuteState);
PreventUIRefresh(-1);
}
}