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dmusic: Implement IDirectMusicBufferImpl_PackStructured.

oldstable
Christian Costa 2012-04-26 08:08:34 +02:00 committed by Alexandre Julliard
parent 51942db811
commit fbd0aba739
3 changed files with 30 additions and 2 deletions
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26
dlls/dmusic/buffer.c
View File

@ -96,11 +96,33 @@ static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime(LPDIRECTMUSICBUFFER iface
return S_OK;
}
static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage)
static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME ref_time, DWORD channel_group, DWORD channel_message)
{
IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
DWORD new_write_pos = This->write_pos + sizeof(DMUS_EVENTHEADER) + sizeof(DWORD);
DMUS_EVENTHEADER header;
FIXME("(%p, 0x%s, %d, %d): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, dwChannelMessage);
TRACE("(%p)->(0x%s, %u, 0x%x)\n", iface, wine_dbgstr_longlong(ref_time), channel_group, channel_message);
if (new_write_pos > This->size)
return DMUS_E_BUFFER_FULL;
/* Channel_message 0xZZYYXX is a midi message where XX = status byte, YY = byte 1 and ZZ = byte 2 */
if (!(channel_message & 0x80))
{
/* Status byte MSB is always set */
return DMUS_E_INVALID_EVENT;
}
header.cbEvent = sizeof(channel_message);
header.dwChannelGroup = channel_group;
header.rtDelta = ref_time;
header.dwFlags = DMUS_EVENT_STRUCTURED;
memcpy(This->data + This->write_pos, &header, sizeof(header));
*(DWORD*)(This->data + This->write_pos + sizeof(header)) = channel_message;
This->write_pos = new_write_pos;
return S_OK;
}

1
dlls/dmusic/dmusic_private.h
View File

@ -113,6 +113,7 @@ struct IDirectMusicBufferImpl {
GUID format;
DWORD size;
LPBYTE data;
DWORD write_pos;
};
/*****************************************************************************

5
dlls/dmusic/tests/dmusic.c
View File

@ -135,6 +135,11 @@ static void test_dmbuffer(void)
ok(hr == S_OK, "IDirectMusicBuffer_GetMaxBytes returned %x\n", hr);
ok(size == 1024, "Buffer size is %u instead of 1024\n", size);
hr = IDirectMusicBuffer_PackStructured(dmbuffer, 10, 0, 0);
ok(hr == DMUS_E_INVALID_EVENT, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
hr = IDirectMusicBuffer_PackStructured(dmbuffer, 10, 0, 0x000090); /* note on : chan 0, note 0 & vel 0 */
ok(hr == S_OK, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
if (dmbuffer)
IDirectMusicBuffer_Release(dmbuffer);
IDirectMusic_Release(dmusic);