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dmusic: Midi message takes 4 bytes space but only 3 are relevant.

This commit is contained in:
Christian Costa 2012-05-04 08:40:38 +02:00 committed by Alexandre Julliard
parent d1cfbbb62c
commit 9f05f54540
2 changed files with 48 additions and 6 deletions
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4
dlls/dmusic/buffer.c
View File

@ -109,7 +109,7 @@ static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER
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 */
/* Channel_message 0xZZYYXX (3 bytes) is a midi message where XX = status byte, YY = byte 1 and ZZ = byte 2 */
if (!(channel_message & 0x80))
{
@ -120,7 +120,7 @@ static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER
if (!This->write_pos)
This->start_time = ref_time;
header.cbEvent = sizeof(channel_message);
header.cbEvent = 3; /* Midi message takes 4 bytes space but only 3 are relevant */
header.dwChannelGroup = channel_group;
header.rtDelta = ref_time - This->start_time;
header.dwFlags = DMUS_EVENT_STRUCTURED;

50
dlls/dmusic/tests/dmusic.c
View File

@ -29,7 +29,7 @@
#include "dmusici.h"
#include "dmksctrl.h"
static inline char* debugstr_guid(CONST GUID *id)
static inline const char* debugstr_guid(CONST GUID *id)
{
static char string[39];
sprintf(string, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
@ -39,6 +39,16 @@ static inline char* debugstr_guid(CONST GUID *id)
return string;
}
static inline const char* debugstr_longlong(ULONGLONG ll)
{
static char string[17];
if (sizeof(ll) > sizeof(unsigned long) && ll >> 32)
sprintf(string, "%lx%08lx", (unsigned long)(ll >> 32), (unsigned long)ll);
else
sprintf(string, "%lx", (unsigned long)ll);
return string;
}
static void test_dmusic(void)
{
IDirectMusic *dmusic = NULL;
@ -127,6 +137,7 @@ static void test_dmbuffer(void)
DWORD size;
DWORD bytes;
REFERENCE_TIME time;
LPBYTE data;
hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic, (LPVOID*)&dmusic);
if (hr != S_OK)
@ -161,18 +172,49 @@ static void test_dmbuffer(void)
ok(hr == DMUS_E_INVALID_EVENT, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
hr = IDirectMusicBuffer_PackStructured(dmbuffer, 20, 0, 0x000090); /* note on : chan 0, note 0 & vel 0 */
ok(hr == S_OK, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
hr = IDirectMusicBuffer_PackStructured(dmbuffer, 30, 0, 0x000080); /* note off : chan 0, note 0 & vel 0 */
ok(hr == S_OK, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
hr = IDirectMusicBuffer_GetUsedBytes(dmbuffer, &bytes);
ok(hr == S_OK, "IDirectMusicBuffer_GetUsedBytes returned %x\n", hr);
ok(bytes == 24, "Buffer size is %u instead of 0\n", bytes);
ok(bytes == 48, "Buffer size is %u instead of 48\n", bytes);
hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
ok(time == 20, "Buffer start time is wrong\n");
hr = IDirectMusicBuffer_SetStartTime(dmbuffer, 30);
hr = IDirectMusicBuffer_SetStartTime(dmbuffer, 40);
ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
ok(time == 30, "Buffer start time is wrong\n");
ok(time == 40, "Buffer start time is wrong\n");
hr = IDirectMusicBuffer_GetRawBufferPtr(dmbuffer, &data);
ok(hr == S_OK, "IDirectMusicBuffer_GetRawBufferPtr returned %x\n", hr);
if (hr == S_OK)
{
DMUS_EVENTHEADER* header;
DWORD message;
/* Check message 1 */
header = (DMUS_EVENTHEADER*)data;
data += sizeof(DMUS_EVENTHEADER);
ok(header->cbEvent == 3, "cbEvent is %u instead of 3\n", header->cbEvent);
ok(header->dwChannelGroup == 0, "dwChannelGroup is %u instead of 0\n", header->dwChannelGroup);
ok(header->rtDelta == 0, "rtDelta is %s instead of 0\n", debugstr_longlong(header->rtDelta));
ok(header->dwFlags == DMUS_EVENT_STRUCTURED, "dwFlags is %x instead of %x\n", header->dwFlags, DMUS_EVENT_STRUCTURED);
message = *(DWORD*)data & 0xffffff; /* Only 3 bytes are relevant */
data += sizeof(DWORD);
ok(message == 0x000090, "Message is %0x instead of 0x000090\n", message);
/* Check message 2 */
header = (DMUS_EVENTHEADER*)data;
data += sizeof(DMUS_EVENTHEADER);
ok(header->cbEvent == 3, "cbEvent is %u instead of 3\n", header->cbEvent);
ok(header->dwChannelGroup == 0, "dwChannelGroup is %u instead of 0\n", header->dwChannelGroup);
ok(header->rtDelta == 10, "rtDelta is %s instead of 0\n", debugstr_longlong(header->rtDelta));
ok(header->dwFlags == DMUS_EVENT_STRUCTURED, "dwFlags is %x instead of %x\n", header->dwFlags, DMUS_EVENT_STRUCTURED);
message = *(DWORD*)data & 0xffffff; /* Only 3 bytes are relevant */
ok(message == 0x000080, "Message 2 is %0x instead of 0x000080\n", message);
}
if (dmbuffer)
IDirectMusicBuffer_Release(dmbuffer);