gstreamer/subprojects/gst-plugins-bad/sys/dshowsrcwrapper/gstdshowfakesink.cpp

81 lines
2.3 KiB
C++

/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesink.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gstdshowfakesink.h"
CDshowFakeSink::CDshowFakeSink ():
m_hres (S_OK),
m_callback (NULL),
m_data (NULL),
CBaseRenderer (CLSID_DshowFakeSink, TEXT("DshowFakeSink"), NULL, &m_hres)
{
}
STDMETHODIMP CDshowFakeSink::gst_set_media_type (AM_MEDIA_TYPE * pmt)
{
m_MediaType.Set (*pmt);
return S_OK;
}
STDMETHODIMP
CDshowFakeSink::gst_set_buffer_callback (push_buffer_func push,
gpointer data)
{
m_callback = push;
m_data = data;
return S_OK;
}
HRESULT CDshowFakeSink::CheckMediaType (const CMediaType * pmt)
{
if (!IsEqualGUID(pmt->majortype, m_MediaType.majortype) ||
!IsEqualGUID(pmt->subtype, m_MediaType.subtype) ||
!IsEqualGUID(pmt->formattype, m_MediaType.formattype) ||
(pmt->cbFormat != m_MediaType.cbFormat))
return S_FALSE;
VIDEOINFOHEADER *info1 = (VIDEOINFOHEADER*)pmt->pbFormat;
VIDEOINFOHEADER *info2 = (VIDEOINFOHEADER*)m_MediaType.pbFormat;
if (memcmp(&info1->bmiHeader, &info2->bmiHeader, sizeof(BITMAPINFOHEADER)))
return S_FALSE;
return S_OK;
}
HRESULT CDshowFakeSink::DoRenderSample (IMediaSample * pMediaSample)
{
if (pMediaSample && m_callback) {
guint8 *pBuffer = NULL;
pMediaSample->GetPointer (&pBuffer);
guint size = pMediaSample->GetActualDataLength ();
GstClockTimeDiff lStart = 0;
GstClockTimeDiff lStop = 0;
pMediaSample->GetTime (&lStart, &lStop);
GstClockTime duration = (lStop - lStart) * 100;
m_callback (pBuffer, size, m_data, duration);
}
return S_OK;
}