gst/playback/gstplaysinkaudioconvert.h

   1 /* GStreamer
   2  * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include <gst/gst.h>
  21
  22 #ifndef __GST_PLAY_SINK_AUDIO_CONVERT_H__
  23 #define __GST_PLAY_SINK_AUDIO_CONVERT_H__
  24
  25 G_BEGIN_DECLS
  26 #define GST_TYPE_PLAY_SINK_AUDIO_CONVERT \
  27   (gst_play_sink_audio_convert_get_type())
  28 #define GST_PLAY_SINK_AUDIO_CONVERT(obj) \
  29   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY_SINK_AUDIO_CONVERT, GstPlaySinkAudioConvert))
  30 #define GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj) \
  31   ((GstPlaySinkAudioConvert *) obj)
  32 #define GST_PLAY_SINK_AUDIO_CONVERT_CLASS(klass) \
  33   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY_SINK_AUDIO_CONVERT, GstPlaySinkAudioConvertClass))
  34 #define GST_IS_PLAY_SINK_AUDIO_CONVERT(obj) \
  35   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY_SINK_AUDIO_CONVERT))
  36 #define GST_IS_PLAY_SINK_AUDIO_CONVERT_CLASS(klass) \
  37   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY_SINK_AUDIO_CONVERT))
  38
  39 #define GST_PLAY_SINK_AUDIO_CONVERT_LOCK(obj) G_STMT_START {                   \
  40     GST_LOG_OBJECT (obj,                                                \
  41                     "locking from thread %p",                           \
  42                     g_thread_self ());                                  \
  43     g_mutex_lock (GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj)->lock);                \
  44     GST_LOG_OBJECT (obj,                                                \
  45                     "locked from thread %p",                            \
  46                     g_thread_self ());                                  \
  47 } G_STMT_END
  48
  49 #define GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK(obj) G_STMT_START {                 \
  50     GST_LOG_OBJECT (obj,                                                \
  51                     "unlocking from thread %p",                         \
  52                     g_thread_self ());                                  \
  53     g_mutex_unlock (GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj)->lock);              \
  54 } G_STMT_END
  55
  56 typedef struct _GstPlaySinkAudioConvert GstPlaySinkAudioConvert;
  57 typedef struct _GstPlaySinkAudioConvertClass GstPlaySinkAudioConvertClass;
  58
  59 struct _GstPlaySinkAudioConvert
  60 {
  61   GstBin parent;
  62
  63   /* < private > */
  64   GMutex *lock;
  65
  66   GstPad *sinkpad, *sink_proxypad;
  67   gulong sink_proxypad_block_id;
  68   GstSegment segment;
  69
  70   GstPad *srcpad;
  71
  72   gboolean raw;
  73   GstElement *conv, *resample;
  74
  75   /* < pseudo public > */
  76   GstElement *volume;
  77   gboolean use_volume;
  78   gboolean use_converters;
  79 };
  80
  81 struct _GstPlaySinkAudioConvertClass
  82 {
  83   GstBinClass parent;
  84 };
  85
  86 GType gst_play_sink_audio_convert_get_type (void);
  87
  88 G_END_DECLS
  89 #endif /* __GST_PLAY_SINK_AUDIO_CONVERT_H__ */