1 /* GStreamer 2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 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., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_AUDIO_RATE_H__ 21 #define __GST_AUDIO_RATE_H__ 22 23 #include <gst/gst.h> 24 #include <gst/audio/audio.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_AUDIO_RATE \ 29 (gst_audio_rate_get_type()) 30 #define GST_AUDIO_RATE(obj) \ 31 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_RATE,GstAudioRate)) 32 #define GST_AUDIO_RATE_CLASS(klass) \ 33 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_RATE,GstAudioRate)) 34 #define GST_IS_AUDIO_RATE(obj) \ 35 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_RATE)) 36 #define GST_IS_AUDIO_RATE_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_RATE)) 38 39 typedef struct _GstAudioRate GstAudioRate; 40 typedef struct _GstAudioRateClass GstAudioRateClass; 41 42 /** 43 * GstAudioRate: 44 * 45 * Opaque data structure. 46 */ 47 struct _GstAudioRate 48 { 49 GstElement element; 50 51 GstPad *sinkpad, *srcpad; 52 53 /* audio format */ 54 GstAudioInfo info; 55 56 /* stats */ 57 guint64 in, out, add, drop; 58 gboolean silent; 59 guint64 tolerance; 60 gboolean skip_to_first; 61 62 /* audio state */ 63 guint64 next_offset; 64 guint64 next_ts; 65 66 gboolean discont; 67 68 gboolean new_segment; 69 /* we accept all formats on the sink */ 70 GstSegment sink_segment; 71 /* we output TIME format on the src */ 72 GstSegment src_segment; 73 }; 74 75 struct _GstAudioRateClass 76 { 77 GstElementClass parent_class; 78 }; 79 80 GType gst_audio_rate_get_type (void); 81 82 G_END_DECLS 83 84 #endif /* __GST_AUDIO_RATE_H__ */ 85