From CockosWiki

Revision as of 08:32, 26 November 2009 (view source) MikeLacey (Talk | contribs) (→See Also) ← Older edit		Revision as of 00:41, 15 December 2009 (view source) Cturner (Talk | contribs) (→Python) Newer edit →
Line 21:		Line 21:
	===Python===		===Python===
	<pre>		<pre>
		+	"""
		+	The pointer returned by RPR_GetTrackEnvelopeByName()
		+	can't be accessed directly. Instead, you need to
		+	call RPR_GetSetEnvelopeState(), which returns a text
		+	representation similar to the RPP file. Changes to
		+	the envelope data are made by calling RPR_GetSetEnvelopeState()
		+	with the changed envelope data. (Courtesy Xenakios)
		+	"""
		+
		+
		+	# define msg alias (custom)
		+	def msg(m):
		+	RPR_ShowConsoleMsg(m+'\n')
		+
		+	envstr = ""
		+	maxlen = 256
		+
		+	trkptr = RPR_GetSelectedTrack( 0, 0 )
		+	envptr = RPR_GetTrackEnvelopeByName( trkptr, 'Volume' )
		+
		+	# valid = RPR_ValidatePtr( envptr, 'TrackEnvelope*')
		+	# msg( str(valid) )
		+
		+	envstate = RPR_GetSetEnvelopeState( envptr, envstr, maxlen)
		+
		+	msg( str(envstate))
		+
		+	"""
		+	envstate will look something like this:
		+	(1,
		+	'(TrackEnvelope*)0x13F229AC',
		+	'<VOLENV2\n
		+	ACT 1\n
		+	VIS 1 1 1.000000\n
		+	LANEHEIGHT 236 0\n
		+	ARM 1\n
		+	DEFSHAPE 0\n
		+	PT 0.000000 1.000000 0\n
		+	PT 2.000000 1.649123 0\n
		+	PT 2.970000 1.570175 5\n
		+	PT 3.490000 1.640351 0\n
		+	PT 4.000000 1.578947 0\n
		+	PT 4.670000 1.342105 0\n
		+	PT 5.250000 1.000000 0 0 1\n>\n',
		+	256)
		+	"""
	</pre>		</pre>
		+
	==See Also==		==See Also==
	{{SeeAlso_track}}		{{SeeAlso_track}}

---

Revision as of 00:41, 15 December 2009

Main Page > REAPER Documentation > ReaScript > ReaScript API, Functions > RPR GetTrackEnvelopeByName
Main Page > REAPER Documentation > REAPER API > REAPER API Functions > RPR GetTrackEnvelopeByName

Contents 1 GetTrackEnvelopeByName() 1.1 Parameters 1.2 Returns 1.3 Examples 1.3.1 C++ 1.3.2 Perl 1.3.3 Python 1.4 See Also 1.5 Stuff

GetTrackEnvelopeByName()

TrackEnvelope* GetTrackEnvelopeByName(MediaTrack* track, const char* envname)

Parameters

MediaTrack* track,
const char* envname

Returns

TrackEnvelope* 
An array, containing
 MediaTrack* track,
 const char* envname

Examples

C++

Perl

Python

"""
The pointer returned by RPR_GetTrackEnvelopeByName()
can't be accessed directly. Instead, you need to
call RPR_GetSetEnvelopeState(), which returns a text
representation similar to the RPP file. Changes to
the envelope data are made by calling RPR_GetSetEnvelopeState()
with the changed envelope data. (Courtesy Xenakios)
"""


# define msg alias (custom)
def msg(m):
  RPR_ShowConsoleMsg(m+'\n')

envstr = ""
maxlen = 256

trkptr = RPR_GetSelectedTrack( 0, 0 )
envptr = RPR_GetTrackEnvelopeByName( trkptr, 'Volume' )

# valid = RPR_ValidatePtr( envptr, 'TrackEnvelope*')
# msg( str(valid) )

envstate = RPR_GetSetEnvelopeState( envptr, envstr, maxlen)

msg( str(envstate))

"""
envstate will look something like this:
(1,
'(TrackEnvelope*)0x13F229AC',
'<VOLENV2\n
ACT 1\n
VIS 1 1 1.000000\n
LANEHEIGHT 236 0\n
ARM 1\n
DEFSHAPE 0\n
PT 0.000000 1.000000 0\n
PT 2.000000 1.649123 0\n
PT 2.970000 1.570175 5\n
PT 3.490000 1.640351 0\n
PT 4.000000 1.578947 0\n
PT 4.670000 1.342105 0\n
PT 5.250000 1.000000 0 0 1\n>\n',
256)
"""

See Also

track: GetLastTouchedTrack, GetMediaItemTake_Track, GetMediaItem_Track, GetMediaTrackInfo_Value, GetNumTracks, GetSelectedTrack, GetSelectedTrackEnvelope, GetSetMediaTrackInfo_String, GetSetTrackState, GetTrack, GetTrackAutomationMode, GetTrackEnvelope, GetTrackEnvelopeByName, GetTrackGUID, GetTrackMIDINoteName, GetTrackMIDINoteNameEx, GetTrackMediaItem, GetTrackNumMediaItems, GetTrackState, GetTrackUIVolPan, HasTrackMIDIPrograms, HasTrackMIDIProgramsEx, InsertTrackAtIndex, MoveMediaItemToTrack, MuteAllTracks, PlayTrackPreview, PlayTrackPreview2, SetMediaTrackInfo_Value, SetTrackAutomationMode, SetTrackMIDINoteName, SetTrackMIDINoteNameEx, SetTrackSelected, SoloAllTracks, StopTrackPreview, StopTrackPreview2, TrackFX_FormatParamValue, TrackFX_GetCount, TrackFX_GetFXName, TrackFX_GetNumParams, TrackFX_GetParam, TrackFX_GetParamName, TrackFX_SetParam, TrackList_AdjustWindows, TrackList_UpdateAllExternalSurfaces, Track_GetPeakInfo, AddMediaItemToTrack, BypassFxAllTracks, CSurf_NumTracks, CSurf_OnTrackSelection, CSurf_SetTrackListChange, CSurf_TrackFromID, CSurf_TrackToID, CountSelectedTracks, CountTrackEnvelopes, CountTrackMediaItems, CountTracks, DeleteTrack, DeleteTrackMediaItem, EnumTrackMIDIProgramNames, EnumTrackMIDIProgramNamesEx,

envelope: GetEnvelopeName, GetSelectedTrackEnvelope, GetSetEnvelopeState, GetTakeEnvelopeByName, GetTrackEnvelope, GetTrackEnvelopeByName, CountTrackEnvelopes,

(Section automatically generated, edits may be overwritten.)

Stuff

Main Page > REAPER Documentation > ReaScript > ReaScript API, Functions > RPR GetTrackEnvelopeByName
Main Page > REAPER Documentation > REAPER API > REAPER API Functions > RPR GetTrackEnvelopeByName