ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

quartz: Add seeking to mpeg splitter.

This commit is contained in:
Maarten Lankhorst 2008-04-01 14:43:09 -07:00 committed by Alexandre Julliard
parent b1b75243d4
commit 553fe8565d
1 changed files with 79 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
dlls/quartz/mpegsplit.c
View File

@ -737,6 +737,84 @@ static HRESULT MPEGSplitter_cleanup(LPVOID iface)
return S_OK;
}
static HRESULT MPEGSplitter_seek(IBaseFilter *iface)
{
MPEGSplitterImpl *This = (MPEGSplitterImpl*)iface;
PullPin *pPin = This->Parser.pInputPin;
LONGLONG newpos, timepos, bytepos;
HRESULT hr = S_OK;
BYTE header[4];
/* Position, in bytes */
bytepos = This->header_bytes;
/* Position, in media time, current and new */
timepos = 0;
newpos = This->Parser.mediaSeeking.llCurrent;
if (newpos > This->duration)
{
FIXME("Requesting position %x%08x beyond end of stream %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(This->duration>>32), (DWORD)This->duration);
return E_INVALIDARG;
}
if (This->position/1000000 == newpos/1000000)
{
FIXME("Requesting position %x%08x same as current position %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(This->position>>32), (DWORD)This->position);
return S_OK;
}
hr = IAsyncReader_SyncRead(pPin->pReader, bytepos, 4, header);
while (bytepos < This->EndOfFile && SUCCEEDED(hr))
{
LONGLONG length = 0;
hr = IAsyncReader_SyncRead(pPin->pReader, bytepos, 4, header);
while (parse_header(header, &length, &timepos))
{
/* No valid header yet; shift by a byte and check again */
memmove(header, header+1, 3);
hr = IAsyncReader_SyncRead(pPin->pReader, ++bytepos, 1, header + 3);
if (FAILED(hr))
break;
}
bytepos += length;
TRACE("Pos: %x%08x/%x%08x\n", (DWORD)(bytepos >> 32), (DWORD)bytepos, (DWORD)(This->EndOfFile>>32), (DWORD)This->EndOfFile);
if (timepos >= newpos)
break;
}
if (SUCCEEDED(hr))
{
FILTER_STATE state;
PullPin *pin = This->Parser.pInputPin;
TRACE("Moving sound to %x%08x bytes!\n", (DWORD)(bytepos>>32), (DWORD)bytepos);
IPin_BeginFlush((IPin *)pin);
IPin_NewSegment((IPin*)pin, newpos, This->duration, pin->dRate);
IPin_EndFlush((IPin *)pin);
/* Make sure this is done while stopped */
EnterCriticalSection(&This->Parser.csFilter);
pin->rtStart = pin->rtCurrent = MEDIATIME_FROM_BYTES(bytepos);
pin->rtStop = MEDIATIME_FROM_BYTES((REFERENCE_TIME)This->EndOfFile);
This->seek = TRUE;
This->skipbytes = This->remaining_bytes = 0;
This->position = newpos;
if (This->pCurrentSample)
{
IMediaSample_Release(This->pCurrentSample);
This->pCurrentSample = NULL;
}
state = This->Parser.state;
LeaveCriticalSection(&This->Parser.csFilter);
if (state == State_Running && pin->state == State_Paused)
PullPin_StartProcessing(pin);
}
return hr;
}
HRESULT MPEGSplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
@ -755,7 +833,7 @@ HRESULT MPEGSplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
return E_OUTOFMEMORY;
ZeroMemory(This, sizeof(MPEGSplitterImpl));
hr = Parser_Create(&(This->Parser), &CLSID_MPEG1Splitter, MPEGSplitter_process_sample, MPEGSplitter_query_accept, MPEGSplitter_pre_connect, MPEGSplitter_cleanup, NULL, NULL, NULL);
hr = Parser_Create(&(This->Parser), &CLSID_MPEG1Splitter, MPEGSplitter_process_sample, MPEGSplitter_query_accept, MPEGSplitter_pre_connect, MPEGSplitter_cleanup, NULL, MPEGSplitter_seek, NULL);
if (FAILED(hr))
{
CoTaskMemFree(This);