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9ab400e267
It was noticed in [1] that `GstAudioStreamAlign` is a simple boxed type that is passed as const in the copy function, but not as such in the getters. These functions turn out to be the only users of `const = true` overrides in `gstreamer-rs`. Since there is no locking or other advanced caching/sharing going on (as happens with miniobjects) these functions can safely take self as const pointer. [1]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/683#note_783129 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1025>
92 lines
4 KiB
C
92 lines
4 KiB
C
/* GStreamer
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* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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*
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* gstaudiostreamalign.h:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_AUDIO_STREAM_ALIGN_H__
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#define __GST_AUDIO_STREAM_ALIGN_H__
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#include <gst/gst.h>
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#include <gst/audio/audio-prelude.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AUDIO_INFO_STREAM_ALIGN (gst_audio_stream_align_get_type ())
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/**
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* GstAudioStreamAlign:
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*
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* The opaque #GstAudioStreamAlign data structure.
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*
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* Since: 1.14
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*/
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typedef struct _GstAudioStreamAlign GstAudioStreamAlign;
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GST_AUDIO_API
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GType gst_audio_stream_align_get_type (void);
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GST_AUDIO_API
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GstAudioStreamAlign * gst_audio_stream_align_new (gint rate,
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GstClockTime alignment_threshold,
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GstClockTime discont_wait);
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GST_AUDIO_API
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GstAudioStreamAlign * gst_audio_stream_align_copy (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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void gst_audio_stream_align_free (GstAudioStreamAlign * align);
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GST_AUDIO_API
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void gst_audio_stream_align_set_rate (GstAudioStreamAlign * align,
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gint rate);
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GST_AUDIO_API
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gint gst_audio_stream_align_get_rate (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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void gst_audio_stream_align_set_alignment_threshold (GstAudioStreamAlign * align,
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GstClockTime alignment_threshold);
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GST_AUDIO_API
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GstClockTime gst_audio_stream_align_get_alignment_threshold (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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void gst_audio_stream_align_set_discont_wait (GstAudioStreamAlign * align,
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GstClockTime discont_wait);
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GST_AUDIO_API
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GstClockTime gst_audio_stream_align_get_discont_wait (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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void gst_audio_stream_align_mark_discont (GstAudioStreamAlign * align);
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GST_AUDIO_API
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GstClockTime gst_audio_stream_align_get_timestamp_at_discont (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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guint64 gst_audio_stream_align_get_samples_since_discont (const GstAudioStreamAlign * align);
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GST_AUDIO_API
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gboolean gst_audio_stream_align_process (GstAudioStreamAlign * align,
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gboolean discont,
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GstClockTime timestamp,
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guint n_samples,
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GstClockTime *out_timestamp,
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GstClockTime *out_duration,
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guint64 *out_sample_position);
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G_END_DECLS
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#endif /* __GST_AUDIO_STREAM_ALIGN_H__ */
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