1 /* GStreamer 2 * Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com> 3 * 4 * gstaudiostreamalign.h: 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_AUDIO_STREAM_ALIGN_H__ 23 #define __GST_AUDIO_STREAM_ALIGN_H__ 24 25 #include <gst/gst.h> 26 #include <gst/audio/audio-prelude.h> 27 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_AUDIO_INFO_STREAM_ALIGN (gst_audio_stream_align_get_type ()) 31 32 /** 33 * GstAudioStreamAlign: 34 * 35 * The opaque #GstAudioStreamAlign data structure. 36 * 37 * Since: 1.14 38 */ 39 typedef struct _GstAudioStreamAlign GstAudioStreamAlign; 40 41 GST_AUDIO_API 42 GType gst_audio_stream_align_get_type (void); 43 44 GST_AUDIO_API 45 GstAudioStreamAlign * gst_audio_stream_align_new (gint rate, 46 GstClockTime alignment_threshold, 47 GstClockTime discont_wait); 48 GST_AUDIO_API 49 GstAudioStreamAlign * gst_audio_stream_align_copy (const GstAudioStreamAlign * align); 50 GST_AUDIO_API 51 void gst_audio_stream_align_free (GstAudioStreamAlign * align); 52 53 GST_AUDIO_API 54 void gst_audio_stream_align_set_rate (GstAudioStreamAlign * align, 55 gint rate); 56 GST_AUDIO_API 57 gint gst_audio_stream_align_get_rate (const GstAudioStreamAlign * align); 58 59 GST_AUDIO_API 60 void gst_audio_stream_align_set_alignment_threshold (GstAudioStreamAlign * align, 61 GstClockTime alignment_threshold); 62 GST_AUDIO_API 63 GstClockTime gst_audio_stream_align_get_alignment_threshold (const GstAudioStreamAlign * align); 64 65 GST_AUDIO_API 66 void gst_audio_stream_align_set_discont_wait (GstAudioStreamAlign * align, 67 GstClockTime discont_wait); 68 GST_AUDIO_API 69 GstClockTime gst_audio_stream_align_get_discont_wait (const GstAudioStreamAlign * align); 70 71 72 GST_AUDIO_API 73 void gst_audio_stream_align_mark_discont (GstAudioStreamAlign * align); 74 75 GST_AUDIO_API 76 GstClockTime gst_audio_stream_align_get_timestamp_at_discont (const GstAudioStreamAlign * align); 77 78 GST_AUDIO_API 79 guint64 gst_audio_stream_align_get_samples_since_discont (const GstAudioStreamAlign * align); 80 81 GST_AUDIO_API 82 gboolean gst_audio_stream_align_process (GstAudioStreamAlign * align, 83 gboolean discont, 84 GstClockTime timestamp, 85 guint n_samples, 86 GstClockTime *out_timestamp, 87 GstClockTime *out_duration, 88 guint64 *out_sample_position); 89 90 G_END_DECLS 91 92 #endif /* __GST_AUDIO_STREAM_ALIGN_H__ */ 93