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/*
* GStreamer DirectShow codecs wrapper
* Copyright <2006, 2007, 2008, 2009, 2010> Fluendo <support@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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_DSHOWAUDIODEC_H__
#define __GST_DSHOWAUDIODEC_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; /* WAVEFORMATEX format */
gchar *sinkcaps; /* GStreamer caps of input format */
PreferredFilter *preferred_filters; /* NULL-terminated list of preferred filters */
} AudioCodecEntry;
#define GST_TYPE_DSHOWAUDIODEC (gst_dshowaudiodec_get_type())
#define GST_DSHOWAUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWAUDIODEC,GstDshowAudioDec))
#define GST_DSHOWAUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWAUDIODEC,GstDshowAudioDecClass))
#define GST_IS_DSHOWAUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWAUDIODEC))
#define GST_IS_DSHOWAUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWAUDIODEC))
typedef struct _GstDshowAudioDec GstDshowAudioDec;
typedef struct _GstDshowAudioDecClass GstDshowAudioDecClass;
class AudioFakeSink;
struct _GstDshowAudioDec
{
GstElement element;
/* element pads */
GstPad *sinkpad;
GstPad *srcpad;
GstFlowReturn last_ret;
/* filters interfaces*/
FakeSrc *fakesrc;
AudioFakeSink *fakesink;
IBaseFilterPtr decfilter;
/* graph manager interfaces */
IMediaFilterPtr mediafilter;
IFilterGraphPtr filtergraph;
/* true when dshow graph is setup */
gboolean setup;
/* audio settings */
gint bitrate;
gint block_align;
gint depth;
gint channels;
gint rate;
gint layer;
GstBuffer *codec_data;
/* current segment */
GstSegment * segment;
/* timestamp of the next buffer */
GstClockTime timestamp;
gboolean comInitialized;
GMutex com_init_lock;
GMutex com_deinit_lock;
GCond com_initialized;
GCond com_uninitialize;
GCond com_uninitialized;
};
struct _GstDshowAudioDecClass
{
GstElementClass parent_class;
const AudioCodecEntry *entry;
};
gboolean dshow_adec_register (GstPlugin * plugin);
const GUID CLSID_AudioFakeSink =
{ 0x3867f537, 0x3e3d, 0x44da,
{ 0xbb, 0xf2, 0x02, 0x48, 0x7b, 0xb0, 0xbc, 0xc4} };
class AudioFakeSink : public CBaseRenderer
{
public:
AudioFakeSink(GstDshowAudioDec *dec) :
m_hres(S_OK),
CBaseRenderer(CLSID_AudioFakeSink, _T("AudioFakeSink"), NULL, &m_hres),
mDec(dec)
{};
virtual ~AudioFakeSink() {};
HRESULT DoRenderSample(IMediaSample *pMediaSample);
HRESULT CheckMediaType(const CMediaType *pmt);
HRESULT SetMediaType (AM_MEDIA_TYPE *pmt)
{
m_MediaType.Set (*pmt);
return S_OK;
}
int GetBufferSize();
protected:
HRESULT m_hres;
CMediaType m_MediaType;
GstDshowAudioDec *mDec;
};
G_END_DECLS
#endif /* __GST_DSHOWAUDIODEC_H__ */
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