gstreamer/sys/dshowdecwrapper/gstdshowvideodec.h

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/*
* GStreamer DirectShow codecs wrapper
* Copyright <2006, 2007, 2008> Fluendo <gstreamer@fluendo.com>
* Copyright <2006, 2007, 2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
* Copyright <2007,2008> Sebastien Moutte <sebastien@moutte.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DSHOWVIDEODEC_H__
#define __GST_DSHOWVIDEODEC_H__
#include <gst/gst.h>
#include "gstdshowutil.h"
#include "gstdshowfakesrc.h"
G_BEGIN_DECLS
typedef struct {
gchar *element_name; /* The gst element factory name */
gchar *element_longname; /* Description string for element */
gint32 format; /* ??? */
GUID input_majortype;
GUID input_subtype;
gchar *sinkcaps; /* GStreamer caps of input format */
GUID output_majortype;
GUID output_subtype;
gchar *srccaps;
PreferredFilter *preferred_filters;
} VideoCodecEntry;
#define GST_TYPE_DSHOWVIDEODEC (gst_dshowvideodec_get_type())
#define GST_DSHOWVIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEODEC,GstDshowVideoDec))
#define GST_DSHOWVIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEODEC,GstDshowVideoDecClass))
#define GST_IS_DSHOWVIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEODEC))
#define GST_IS_DSHOWVIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEODEC))
typedef struct _GstDshowVideoDec GstDshowVideoDec;
typedef struct _GstDshowVideoDecClass GstDshowVideoDecClass;
class VideoFakeSink;
struct _GstDshowVideoDec
{
GstElement element;
/* element pads */
GstPad *sinkpad;
GstPad *srcpad;
/* caps of our src pad */
GstCaps *srccaps;
GstFlowReturn last_ret;
/* list of dshow mediatypes coresponding to the caps list */
GList *mediatypes;
/* filters interfaces */
FakeSrc *fakesrc;
VideoFakeSink *fakesink;
IBaseFilter *decfilter;
/* graph manager interfaces */
IMediaFilter *mediafilter;
IFilterGraph *filtergraph;
/* settings */
gint width, height;
gint fps_n, fps_d;
gint par_n, par_d;
/* current segment */
GstSegment *segment;
gboolean setup;
gboolean comInitialized;
};
struct _GstDshowVideoDecClass
{
GstElementClass parent_class;
const VideoCodecEntry *entry;
};
gboolean dshow_vdec_register (GstPlugin * plugin);
const GUID CLSID_VideoFakeSink =
{ 0xff8f0c8e, 0x64f9, 0x4471,
{ 0x96, 0x0e, 0xd2, 0xd3, 0x18, 0x87, 0x78, 0x9a} };
class VideoFakeSink : public CBaseRenderer
{
public:
VideoFakeSink(GstDshowVideoDec *dec) :
m_hres(S_OK),
CBaseRenderer(CLSID_VideoFakeSink, _T("VideoFakeSink"), NULL, &m_hres),
mDec(dec)
{};
virtual ~VideoFakeSink() {};
HRESULT DoRenderSample(IMediaSample *pMediaSample);
HRESULT CheckMediaType(const CMediaType *pmt);
HRESULT SetMediaType (AM_MEDIA_TYPE *pmt)
{
m_MediaType.Set (*pmt);
return S_OK;
}
protected:
HRESULT m_hres;
CMediaType m_MediaType;
GstDshowVideoDec *mDec;
};
G_END_DECLS
#endif /* __GST_DSHOWVIDEODEC_H__ */