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20756e3387
We might have to drain already queued input based on the old segment before forwarding the new segment event. The new segment is only forwarded after a discont as otherwise we might cause unnecessary timestamp jumps as we output buffers timestamped based on sample counts. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1254>
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
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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_BUFFER_SPLIT_H__
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#define __GST_AUDIO_BUFFER_SPLIT_H__
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#include <gst/gst.h>
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#include <gst/base/base.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AUDIO_BUFFER_SPLIT (gst_audio_buffer_split_get_type())
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#define GST_AUDIO_BUFFER_SPLIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplit))
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#define GST_IS_AUDIO_BUFFER_SPLIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_BUFFER_SPLIT))
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#define GST_AUDIO_BUFFER_SPLIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplitClass))
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#define GST_IS_AUDIO_BUFFER_SPLIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_BUFFER_SPLIT))
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#define GST_AUDIO_BUFFER_SPLIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplitClass))
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typedef struct _GstAudioBufferSplit GstAudioBufferSplit;
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typedef struct _GstAudioBufferSplitClass GstAudioBufferSplitClass;
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struct _GstAudioBufferSplit {
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GstElement parent;
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GstPad *srcpad, *sinkpad;
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/* Properties */
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gint output_buffer_duration_n;
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gint output_buffer_duration_d;
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/* State */
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GstSegment in_segment, out_segment;
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guint32 segment_seqnum;
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gboolean segment_pending;
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GstAudioInfo info;
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GstAdapter *adapter;
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GstAudioStreamAlign *stream_align;
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GstClockTime resync_time;
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guint64 current_offset; /* offset from start time in samples */
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guint64 drop_samples; /* number of samples to drop in gapless mode */
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guint samples_per_buffer;
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guint error_per_buffer;
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guint accumulated_error;
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gboolean strict_buffer_size;
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gboolean gapless;
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GstClockTime max_silence_time;
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};
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struct _GstAudioBufferSplitClass {
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GstElementClass parent_class;
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};
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GType gst_audio_buffer_split_get_type (void);
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G_END_DECLS
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#endif /* __GST_AUDIO_BUFFER_SPLIT_H__ */
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