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163 lines
5.1 KiB
C++
163 lines
5.1 KiB
C++
/*
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* GStreamer DirectShow codecs wrapper
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* Copyright <2006, 2007, 2008, 2009, 2010> Fluendo <support@fluendo.com>
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* Copyright <2006, 2007, 2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
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* Copyright <2007,2008> Sebastien Moutte <sebastien@moutte.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_DSHOWVIDEODEC_H__
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#define __GST_DSHOWVIDEODEC_H__
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#include <gst/gst.h>
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#include "gstdshowutil.h"
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#include "gstdshowfakesrc.h"
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G_BEGIN_DECLS
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typedef struct {
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gchar *element_name; /* The gst element factory name */
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gchar *element_longname; /* Description string for element */
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gint32 format; /* ??? */
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GUID input_majortype;
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GUID input_subtype;
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gchar *sinkcaps; /* GStreamer caps of input format */
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GUID output_majortype;
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GUID output_subtype;
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gchar *srccaps;
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PreferredFilter *preferred_filters;
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} VideoCodecEntry;
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#define GST_TYPE_DSHOWVIDEODEC (gst_dshowvideodec_get_type())
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#define GST_DSHOWVIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEODEC,GstDshowVideoDec))
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#define GST_DSHOWVIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEODEC,GstDshowVideoDecClass))
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#define GST_IS_DSHOWVIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEODEC))
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#define GST_IS_DSHOWVIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEODEC))
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typedef struct _GstDshowVideoDec GstDshowVideoDec;
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typedef struct _GstDshowVideoDecClass GstDshowVideoDecClass;
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class VideoFakeSink;
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struct _GstDshowVideoDec
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{
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GstElement element;
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/* element pads */
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GstPad *sinkpad;
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GstPad *srcpad;
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/* caps of our src pad */
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GstCaps *srccaps;
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GstFlowReturn last_ret;
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/* list of dshow mediatypes corresponding to the caps list */
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GList *mediatypes;
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/* filters interfaces */
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FakeSrc *fakesrc;
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VideoFakeSink *fakesink;
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IBaseFilter *decfilter;
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/* graph manager interfaces */
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IMediaFilter *mediafilter;
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IFilterGraph *filtergraph;
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/* settings */
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gint width, height;
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gint fps_n, fps_d;
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gint par_n, par_d;
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/* current segment */
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GstSegment *segment;
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gboolean setup;
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gboolean comInitialized;
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GMutex com_init_lock;
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GMutex com_deinit_lock;
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GCond com_initialized;
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GCond com_uninitialize;
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GCond com_uninitialized;
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GstBufferPool *buffer_pool;
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};
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struct _GstDshowVideoDecClass
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{
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GstElementClass parent_class;
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const VideoCodecEntry *entry;
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};
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gboolean dshow_vdec_register (GstPlugin * plugin);
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const GUID CLSID_VideoFakeSink =
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{ 0xff8f0c8e, 0x64f9, 0x4471,
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{ 0x96, 0x0e, 0xd2, 0xd3, 0x18, 0x87, 0x78, 0x9a} };
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class VideoFakeSink : public CBaseRenderer
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{
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public:
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VideoFakeSink(GstDshowVideoDec *dec) :
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m_hres(S_OK),
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CBaseRenderer(CLSID_VideoFakeSink, _T("VideoFakeSink"), NULL, &m_hres),
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mDec(dec)
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{};
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virtual ~VideoFakeSink() {};
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HRESULT DoRenderSample(IMediaSample *pMediaSample);
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HRESULT CheckMediaType(const CMediaType *pmt);
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HRESULT SetMediaType (AM_MEDIA_TYPE *pmt)
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{
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m_MediaType.Set (*pmt);
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return S_OK;
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}
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protected:
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HRESULT m_hres;
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CMediaType m_MediaType;
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GstDshowVideoDec *mDec;
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};
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G_END_DECLS
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#endif /* __GST_DSHOWVIDEODEC_H__ */
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