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OpenJFX is an open source, next generation client application platform for desktop and embedded systems based on JavaSE. It is a collaborative effort by many individuals and companies with the goal of producing a modern, efficient, and fully featured toolkit for developing rich client applications. PR: 248248
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*
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* Copyright (C) 2012 Alexandre Ratchov <alex@caoua.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __GST_SNDIO_H__
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#define __GST_SNDIO_H__
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#include <sndio.h>
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#include <gst/gst.h>
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#include <gst/audio/gstaudiosink.h>
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#include <gst/audio/gstaudiosrc.h>
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#include <gst/audio/streamvolume.h>
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enum
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{
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PROP_0,
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PROP_DEVICE,
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PROP_VOLUME,
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PROP_MUTE
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};
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#define GST_SNDIO_CAPS_STRING \
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"audio/x-raw, " \
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"format = (string) { " \
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"S8, U8, " \
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"S16LE, S16BE, U16LE, U16BE, " \
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"S32LE, S32BE, U32LE, U32BE, " \
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"S24_32LE, S24_32BE, U24_32LE, " \
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"U24_32BE, S24LE, S24BE, U24LE, U24BE " \
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"}, " \
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"layout = (string) interleaved, " \
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"rate = (int) [ 8000, 192000 ], " \
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"channels = (int) [1, 16]"
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/*
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* data common to src and sink
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*/
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struct gstsndio {
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struct sio_hdl *hdl;
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gchar *device;
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gint mode;
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gint bpf; /* bytes per frame */
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gint delay; /* bytes stored in the audio fifo */
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guint volume; /* volume level */
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GstCaps *cur_caps; /* saved capabilities of opened device */
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GObject *obj; /* for logging */
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};
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#define GST_SNDIO_DELAY(s) ((s)->delay / (s)->bpf)
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void gst_sndio_init (struct gstsndio *sio, GObject *obj);
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void gst_sndio_finalize (struct gstsndio *sio);
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GstCaps *gst_sndio_getcaps (struct gstsndio *sio, GstCaps * filter);
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gboolean gst_sndio_open (struct gstsndio *sio, gint mode);
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gboolean gst_sndio_close (struct gstsndio *sio);
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gboolean gst_sndio_prepare (struct gstsndio *sio, GstAudioRingBufferSpec *spec);
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gboolean gst_sndio_unprepare (struct gstsndio *sio);
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void gst_sndio_set_property (struct gstsndio *sio, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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void gst_sndio_get_property (struct gstsndio *sio, guint prop_id,
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GValue * value, GParamSpec * pspec);
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int gst_sndio_setpar(gpointer sio, GstAudioRingBufferSpec * spec,
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int mode, struct sio_hdl *hdl);
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GstCaps *gst_sndio_caps (gpointer sio, int mode, struct sio_hdl *hdl);
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#endif
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