2 * GStreamer DirectShow codecs wrapper
3 * Copyright <2006, 2007, 2008, 2009, 2010> Fluendo <support@fluendo.com>
4 * Copyright <2006, 2007, 2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
5 * Copyright <2007,2008> Sebastien Moutte <sebastien@moutte.net>
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
25 * Alternatively, the contents of this file may be used under the
26 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
27 * which case the following provisions apply instead of the ones
30 * This library is free software; you can redistribute it and/or
31 * modify it under the terms of the GNU Library General Public
32 * License as published by the Free Software Foundation; either
33 * version 2 of the License, or (at your option) any later version.
35 * This library is distributed in the hope that it will be useful,
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38 * Library General Public License for more details.
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47 #ifndef __GST_DSHOWAUDIODEC_H__
48 #define __GST_DSHOWAUDIODEC_H__
51 #include "gstdshowutil.h"
52 #include "gstdshowfakesrc.h"
57 gchar *element_name; /* The gst element factory name */
58 gchar *element_longname; /* Description string for element */
59 gint32 format; /* WAVEFORMATEX format */
60 gchar *sinkcaps; /* GStreamer caps of input format */
61 PreferredFilter *preferred_filters; /* NULL-terminated list of preferred filters */
64 #define GST_TYPE_DSHOWAUDIODEC (gst_dshowaudiodec_get_type())
65 #define GST_DSHOWAUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWAUDIODEC,GstDshowAudioDec))
66 #define GST_DSHOWAUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWAUDIODEC,GstDshowAudioDecClass))
67 #define GST_IS_DSHOWAUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWAUDIODEC))
68 #define GST_IS_DSHOWAUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWAUDIODEC))
70 typedef struct _GstDshowAudioDec GstDshowAudioDec;
71 typedef struct _GstDshowAudioDecClass GstDshowAudioDecClass;
75 struct _GstDshowAudioDec
83 GstFlowReturn last_ret;
85 /* filters interfaces*/
87 AudioFakeSink *fakesink;
89 IBaseFilterPtr decfilter;
91 /* graph manager interfaces */
92 IMediaFilterPtr mediafilter;
93 IFilterGraphPtr filtergraph;
95 /* true when dshow graph is setup */
105 GstBuffer *codec_data;
107 /* current segment */
108 GstSegment * segment;
110 /* timestamp of the next buffer */
111 GstClockTime timestamp;
113 gboolean comInitialized;
114 GMutex com_init_lock;
115 GMutex com_deinit_lock;
116 GCond com_initialized;
117 GCond com_uninitialize;
118 GCond com_uninitialized;
121 struct _GstDshowAudioDecClass
123 GstElementClass parent_class;
124 const AudioCodecEntry *entry;
127 gboolean dshow_adec_register (GstPlugin * plugin);
129 const GUID CLSID_AudioFakeSink =
130 { 0x3867f537, 0x3e3d, 0x44da,
131 { 0xbb, 0xf2, 0x02, 0x48, 0x7b, 0xb0, 0xbc, 0xc4} };
133 class AudioFakeSink : public CBaseRenderer
136 AudioFakeSink(GstDshowAudioDec *dec) :
138 CBaseRenderer(CLSID_AudioFakeSink, _T("AudioFakeSink"), NULL, &m_hres),
141 virtual ~AudioFakeSink() {};
143 HRESULT DoRenderSample(IMediaSample *pMediaSample);
144 HRESULT CheckMediaType(const CMediaType *pmt);
145 HRESULT SetMediaType (AM_MEDIA_TYPE *pmt)
147 m_MediaType.Set (*pmt);
154 CMediaType m_MediaType;
155 GstDshowAudioDec *mDec;
160 #endif /* __GST_DSHOWAUDIODEC_H__ */