mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 16:50:47 +00:00
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/*
|
|
* GStreamer pulseaudio plugin
|
|
*
|
|
* Copyright (c) 2004-2008 Lennart Poettering
|
|
*
|
|
* gst-pulse is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 2.1 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* gst-pulse is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with gst-pulse; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
|
|
* USA.
|
|
*/
|
|
|
|
#ifndef __GST_PULSEUTIL_H__
|
|
#define __GST_PULSEUTIL_H__
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <pulse/pulseaudio.h>
|
|
#include <gst/audio/gstaudioringbuffer.h>
|
|
#include <gst/audio/gstaudiosink.h>
|
|
|
|
|
|
#if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
|
|
# define _PULSE_FORMATS "{ S16LE, S16BE, F32LE, F32BE, S32LE, S32BE, " \
|
|
"S24LE, S24BE, S24_32LE, S24_32BE, U8 }"
|
|
#else
|
|
# define _PULSE_FORMATS "{ S16BE, S16LE, F32BE, F32LE, S32BE, S32LE, " \
|
|
"S24BE, S24LE, S24_32BE, S24_32LE, U8 }"
|
|
#endif
|
|
|
|
#define _PULSE_CAPS_LINEAR \
|
|
"audio/x-raw, " \
|
|
"format = (string) " _PULSE_FORMATS ", " \
|
|
"layout = (string) interleaved, " \
|
|
"rate = (int) [ 1, MAX ], " \
|
|
"channels = (int) [ 1, 32 ]; "
|
|
#define _PULSE_CAPS_ALAW \
|
|
"audio/x-alaw, " \
|
|
"rate = (int) [ 1, MAX], " \
|
|
"channels = (int) [ 1, 32 ]; "
|
|
#define _PULSE_CAPS_MULAW \
|
|
"audio/x-mulaw, " \
|
|
"rate = (int) [ 1, MAX], " \
|
|
"channels = (int) [ 1, 32 ]; "
|
|
|
|
#define _PULSE_CAPS_AC3 "audio/x-ac3, framed = (boolean) true; "
|
|
#define _PULSE_CAPS_EAC3 "audio/x-eac3, framed = (boolean) true; "
|
|
#define _PULSE_CAPS_DTS "audio/x-dts, framed = (boolean) true, " \
|
|
"block-size = (int) { 512, 1024, 2048 }; "
|
|
#define _PULSE_CAPS_MP3 "audio/mpeg, mpegversion = (int) 1, " \
|
|
"mpegaudioversion = (int) [ 1, 2 ], parsed = (boolean) true;"
|
|
#define _PULSE_CAPS_AAC "audio/mpeg, mpegversion = (int) { 2, 4 }, " \
|
|
"framed = (boolean) true, stream-format = (string) adts;"
|
|
|
|
#define _PULSE_CAPS_PCM \
|
|
_PULSE_CAPS_LINEAR \
|
|
_PULSE_CAPS_ALAW \
|
|
_PULSE_CAPS_MULAW
|
|
|
|
|
|
gboolean gst_pulse_fill_sample_spec (GstAudioRingBufferSpec * spec,
|
|
pa_sample_spec * ss);
|
|
gboolean gst_pulse_fill_format_info (GstAudioRingBufferSpec * spec,
|
|
pa_format_info ** f, guint * channels);
|
|
const char * gst_pulse_sample_format_to_caps_format (pa_sample_format_t sf);
|
|
|
|
gchar *gst_pulse_client_name (void);
|
|
|
|
pa_channel_map *gst_pulse_gst_to_channel_map (pa_channel_map * map,
|
|
const GstAudioRingBufferSpec * spec);
|
|
|
|
GstAudioRingBufferSpec *gst_pulse_channel_map_to_gst (const pa_channel_map * map,
|
|
GstAudioRingBufferSpec * spec);
|
|
|
|
void gst_pulse_cvolume_from_linear (pa_cvolume *v, unsigned channels, gdouble volume);
|
|
|
|
pa_proplist *gst_pulse_make_proplist (const GstStructure *properties);
|
|
|
|
GstCaps * gst_pulse_format_info_to_caps (pa_format_info * format);
|
|
|
|
#endif
|