gst/playback/gstplaysinkconvertbin.h

   1 /* GStreamer
   2  * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
   3  * Copyright (C) <2011> Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <gst/gst.h>
  22
  23 #ifndef __GST_PLAY_SINK_CONVERT_BIN_H__
  24 #define __GST_PLAY_SINK_CONVERT_BIN_H__
  25
  26 G_BEGIN_DECLS
  27 #define GST_TYPE_PLAY_SINK_CONVERT_BIN \
  28   (gst_play_sink_convert_bin_get_type())
  29 #define GST_PLAY_SINK_CONVERT_BIN(obj) \
  30   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY_SINK_CONVERT_BIN, GstPlaySinkConvertBin))
  31 #define GST_PLAY_SINK_CONVERT_BIN_CAST(obj) \
  32   ((GstPlaySinkConvertBin *) obj)
  33 #define GST_PLAY_SINK_CONVERT_BIN_CLASS(klass) \
  34   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY_SINK_CONVERT_BIN, GstPlaySinkConvertBinClass))
  35 #define GST_IS_PLAY_SINK_CONVERT_BIN(obj) \
  36   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY_SINK_CONVERT_BIN))
  37 #define GST_IS_PLAY_SINK_CONVERT_BIN_CLASS(klass) \
  38   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY_SINK_CONVERT_BIN))
  39
  40 #define GST_PLAY_SINK_CONVERT_BIN_LOCK(obj) G_STMT_START {                   \
  41     GST_LOG_OBJECT (obj,                                                \
  42                     "locking from thread %p",                           \
  43                     g_thread_self ());                                  \
  44     g_mutex_lock (GST_PLAY_SINK_CONVERT_BIN_CAST(obj)->lock);                \
  45     GST_LOG_OBJECT (obj,                                                \
  46                     "locked from thread %p",                            \
  47                     g_thread_self ());                                  \
  48 } G_STMT_END
  49
  50 #define GST_PLAY_SINK_CONVERT_BIN_UNLOCK(obj) G_STMT_START {                 \
  51     GST_LOG_OBJECT (obj,                                                \
  52                     "unlocking from thread %p",                         \
  53                     g_thread_self ());                                  \
  54     g_mutex_unlock (GST_PLAY_SINK_CONVERT_BIN_CAST(obj)->lock);              \
  55 } G_STMT_END
  56
  57 typedef struct _GstPlaySinkConvertBin GstPlaySinkConvertBin;
  58 typedef struct _GstPlaySinkConvertBinClass GstPlaySinkConvertBinClass;
  59
  60 struct _GstPlaySinkConvertBin
  61 {
  62   GstBin parent;
  63
  64   /* < private > */
  65   GMutex *lock;
  66
  67   GstPad *sinkpad, *sink_proxypad;
  68   gboolean sink_proxypad_blocked;
  69   GstSegment segment;
  70
  71   GstPad *srcpad;
  72
  73   gboolean raw;
  74   GList *conversion_elements;
  75   GstElement *identity;
  76
  77   GstCaps *converter_caps;
  78
  79   /* configuration for derived classes */
  80   gboolean audio;
  81 };
  82
  83 struct _GstPlaySinkConvertBinClass
  84 {
  85   GstBinClass parent;
  86 };
  87
  88 GType gst_play_sink_convert_bin_get_type (void);
  89 GstElement *
  90 gst_play_sink_convert_bin_add_conversion_element_factory (GstPlaySinkConvertBin *self,
  91     const char *factory, const char *name);
  92 void
  93 gst_play_sink_convert_bin_add_conversion_element (GstPlaySinkConvertBin *self,
  94     GstElement *el);
  95 void
  96 gst_play_sink_convert_bin_cache_converter_caps (GstPlaySinkConvertBin * self);
  97 void
  98 gst_play_sink_convert_bin_remove_elements (GstPlaySinkConvertBin * self);
  99 void
 100 gst_play_sink_convert_bin_add_identity (GstPlaySinkConvertBin * self);
 101
 102 G_END_DECLS
 103 #endif /* __GST_PLAY_SINK_CONVERT_BIN_H__ */