dmusic_band.h File Reference

#include "dmusici.h"
#include "dmusicf.h"

Include dependency graph for dmusic_band.h:

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Go to the source code of this file.

Functions
HRESULT	create_dmband (REFIID riid, void **ret_iface)
HRESULT	band_connect_to_collection (IDirectMusicBand *iface, IDirectMusicCollection *collection)
HRESULT	band_send_messages (IDirectMusicBand *iface, IDirectMusicPerformance *performance, IDirectMusicGraph *graph, MUSIC_TIME time, DWORD track_id)
HRESULT	band_add_instrument (IDirectMusicBand *iface, DMUS_IO_INSTRUMENT *instrument)

Function Documentation

band_add_instrument()

HRESULT band_add_instrument	(	IDirectMusicBand *	iface,
		DMUS_IO_INSTRUMENT *	instrument
	)

Definition at line 531 of file band.c.

{
    struct band *This = impl_from_IDirectMusicBand(iface);
    struct instrument_entry *entry;
 
    TRACE("%p, %p\n", iface, instrument);
 
    if (!(entry = calloc(1, sizeof(*entry)))) return E_OUTOFMEMORY;
    entry->instrument = *instrument;
    list_add_tail(&This->instruments, &entry->entry);
 
    return S_OK;
}

Referenced by midi_parser_handle_program_change().

band_connect_to_collection()

HRESULT band_connect_to_collection	(	IDirectMusicBand *	iface,
		IDirectMusicCollection *	collection
	)

Definition at line 477 of file band.c.

{
    struct band *This = impl_from_IDirectMusicBand(iface);
 
    TRACE("%p, %p\n", iface, collection);
 
    if (This->collection) IDirectMusicCollection_Release(This->collection);
    if ((This->collection = collection)) IDirectMusicCollection_AddRef(This->collection);
 
    return S_OK;
}

Referenced by band_track_SetParam().

band_send_messages()

HRESULT band_send_messages	(	IDirectMusicBand *	iface,
		IDirectMusicPerformance *	performance,
		IDirectMusicGraph *	graph,
		MUSIC_TIME	time,
		DWORD	track_id
	)

Definition at line 489 of file band.c.

{
    struct band *This = impl_from_IDirectMusicBand(iface);
    struct instrument_entry *entry;
    HRESULT hr = S_OK;
 
    LIST_FOR_EACH_ENTRY_REV(entry, &This->instruments, struct instrument_entry, entry)
    {
        DWORD patch = entry->instrument.dwPatch;
        DMUS_PATCH_PMSG *msg;
 
        if (FAILED(hr = IDirectMusicPerformance_AllocPMsg(performance, sizeof(*msg),
                (DMUS_PMSG **)&msg)))
            break;
 
        msg->mtTime = time;
        msg->dwFlags = DMUS_PMSGF_MUSICTIME;
        msg->dwPChannel = entry->instrument.dwPChannel;
        msg->dwVirtualTrackID = track_id;
        msg->dwType = DMUS_PMSGT_PATCH;
        msg->dwGroupID = 1;
        msg->byInstrument = entry->instrument.dwPatch;
 
        msg->byInstrument = patch & 0x7F;
        patch >>= 8;
        msg->byLSB = patch & 0x7f;
        patch >>= 8;
        msg->byMSB = patch & 0x7f;
        patch >>= 8;
 
        if (FAILED(hr = IDirectMusicGraph_StampPMsg(graph, (DMUS_PMSG *)msg))
                || FAILED(hr = IDirectMusicPerformance_SendPMsg(performance, (DMUS_PMSG *)msg)))
        {
            IDirectMusicPerformance_FreePMsg(performance, (DMUS_PMSG *)msg);
            break;
        }
    }
 
    return hr;
}

Referenced by band_track_Play().

create_dmband()

HRESULT create_dmband	(	REFIID	riid,
		void **	ret_iface
	)

Definition at line 457 of file band.c.

{
  struct band* obj;
  HRESULT hr;
 
  *ppobj = NULL;
  if (!(obj = calloc(1, sizeof(*obj)))) return E_OUTOFMEMORY;
  obj->IDirectMusicBand_iface.lpVtbl = &band_vtbl;
  obj->ref = 1;
  dmobject_init(&obj->dmobj, &CLSID_DirectMusicBand, (IUnknown *)&obj->IDirectMusicBand_iface);
  obj->dmobj.IDirectMusicObject_iface.lpVtbl = &band_object_vtbl;
  obj->dmobj.IPersistStream_iface.lpVtbl = &band_persist_stream_vtbl;
  list_init(&obj->instruments);
 
  hr = IDirectMusicBand_QueryInterface(&obj->IDirectMusicBand_iface, lpcGUID, ppobj);
  IDirectMusicBand_Release(&obj->IDirectMusicBand_iface);
 
  return hr;
}