1053 lines
44 KiB
C++
1053 lines
44 KiB
C++
#ifndef foodefhfoo
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#define foodefhfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <sys/time.h>
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#include <pulse/cdecl.h>
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#include <pulse/sample.h>
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#include <pulse/version.h>
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/** \file
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* Global definitions */
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PA_C_DECL_BEGIN
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/** The state of a connection context */
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typedef enum pa_context_state {
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PA_CONTEXT_UNCONNECTED, /**< The context hasn't been connected yet */
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PA_CONTEXT_CONNECTING, /**< A connection is being established */
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PA_CONTEXT_AUTHORIZING, /**< The client is authorizing itself to the daemon */
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PA_CONTEXT_SETTING_NAME, /**< The client is passing its application name to the daemon */
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PA_CONTEXT_READY, /**< The connection is established, the context is ready to execute operations */
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PA_CONTEXT_FAILED, /**< The connection failed or was disconnected */
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PA_CONTEXT_TERMINATED /**< The connection was terminated cleanly */
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} pa_context_state_t;
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/** Return non-zero if the passed state is one of the connected states. \since 0.9.11 */
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static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x) {
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return
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x == PA_CONTEXT_CONNECTING ||
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x == PA_CONTEXT_AUTHORIZING ||
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x == PA_CONTEXT_SETTING_NAME ||
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x == PA_CONTEXT_READY;
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}
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/** \cond fulldocs */
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#define PA_CONTEXT_UNCONNECTED PA_CONTEXT_UNCONNECTED
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#define PA_CONTEXT_CONNECTING PA_CONTEXT_CONNECTING
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#define PA_CONTEXT_AUTHORIZING PA_CONTEXT_AUTHORIZING
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#define PA_CONTEXT_SETTING_NAME PA_CONTEXT_SETTING_NAME
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#define PA_CONTEXT_READY PA_CONTEXT_READY
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#define PA_CONTEXT_FAILED PA_CONTEXT_FAILED
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#define PA_CONTEXT_TERMINATED PA_CONTEXT_TERMINATED
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#define PA_CONTEXT_IS_GOOD PA_CONTEXT_IS_GOOD
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/** \endcond */
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/** The state of a stream */
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typedef enum pa_stream_state {
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PA_STREAM_UNCONNECTED, /**< The stream is not yet connected to any sink or source */
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PA_STREAM_CREATING, /**< The stream is being created */
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PA_STREAM_READY, /**< The stream is established, you may pass audio data to it now */
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PA_STREAM_FAILED, /**< An error occurred that made the stream invalid */
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PA_STREAM_TERMINATED /**< The stream has been terminated cleanly */
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} pa_stream_state_t;
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/** Return non-zero if the passed state is one of the connected states. \since 0.9.11 */
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static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x) {
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return
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x == PA_STREAM_CREATING ||
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x == PA_STREAM_READY;
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}
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/** \cond fulldocs */
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#define PA_STREAM_UNCONNECTED PA_STREAM_UNCONNECTED
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#define PA_STREAM_CREATING PA_STREAM_CREATING
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#define PA_STREAM_READY PA_STREAM_READY
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#define PA_STREAM_FAILED PA_STREAM_FAILED
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#define PA_STREAM_TERMINATED PA_STREAM_TERMINATED
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#define PA_STREAM_IS_GOOD PA_STREAM_IS_GOOD
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/** \endcond */
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/** The state of an operation */
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typedef enum pa_operation_state {
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PA_OPERATION_RUNNING,
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/**< The operation is still running */
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PA_OPERATION_DONE,
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/**< The operation has completed */
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PA_OPERATION_CANCELLED
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/**< The operation has been cancelled. Operations may get cancelled by the
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* application, or as a result of the context getting disconneted while the
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* operation is pending. */
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} pa_operation_state_t;
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/** \cond fulldocs */
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#define PA_OPERATION_RUNNING PA_OPERATION_RUNNING
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#define PA_OPERATION_DONE PA_OPERATION_DONE
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#define PA_OPERATION_CANCELED PA_OPERATION_CANCELLED
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#define PA_OPERATION_CANCELLED PA_OPERATION_CANCELLED
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/** \endcond */
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/** An invalid index */
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#define PA_INVALID_INDEX ((uint32_t) -1)
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/** Some special flags for contexts. */
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typedef enum pa_context_flags {
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PA_CONTEXT_NOFLAGS = 0x0000U,
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/**< Flag to pass when no specific options are needed (used to avoid casting) \since 0.9.19 */
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PA_CONTEXT_NOAUTOSPAWN = 0x0001U,
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/**< Disabled autospawning of the PulseAudio daemon if required */
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PA_CONTEXT_NOFAIL = 0x0002U
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/**< Don't fail if the daemon is not available when pa_context_connect() is called, instead enter PA_CONTEXT_CONNECTING state and wait for the daemon to appear. \since 0.9.15 */
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} pa_context_flags_t;
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/** \cond fulldocs */
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/* Allow clients to check with #ifdef for those flags */
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#define PA_CONTEXT_NOAUTOSPAWN PA_CONTEXT_NOAUTOSPAWN
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#define PA_CONTEXT_NOFAIL PA_CONTEXT_NOFAIL
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/** \endcond */
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/** Direction bitfield - while we currently do not expose anything bidirectional,
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one should test against the bit instead of the value (e.g.\ if (d & PA_DIRECTION_OUTPUT)),
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because we might add bidirectional stuff in the future. \since 2.0
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*/
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typedef enum pa_direction {
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PA_DIRECTION_OUTPUT = 0x0001U, /**< Output direction */
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PA_DIRECTION_INPUT = 0x0002U /**< Input direction */
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} pa_direction_t;
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/** \cond fulldocs */
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#define PA_DIRECTION_OUTPUT PA_DIRECTION_OUTPUT
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#define PA_DIRECTION_INPUT PA_DIRECTION_INPUT
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/** \endcond */
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/** The type of device we are dealing with */
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typedef enum pa_device_type {
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PA_DEVICE_TYPE_SINK, /**< Playback device */
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PA_DEVICE_TYPE_SOURCE /**< Recording device */
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} pa_device_type_t;
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/** \cond fulldocs */
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#define PA_DEVICE_TYPE_SINK PA_DEVICE_TYPE_SINK
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#define PA_DEVICE_TYPE_SOURCE PA_DEVICE_TYPE_SOURCE
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/** \endcond */
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/** The direction of a pa_stream object */
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typedef enum pa_stream_direction {
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PA_STREAM_NODIRECTION, /**< Invalid direction */
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PA_STREAM_PLAYBACK, /**< Playback stream */
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PA_STREAM_RECORD, /**< Record stream */
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PA_STREAM_UPLOAD /**< Sample upload stream */
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} pa_stream_direction_t;
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/** \cond fulldocs */
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#define PA_STREAM_NODIRECTION PA_STREAM_NODIRECTION
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#define PA_STREAM_PLAYBACK PA_STREAM_PLAYBACK
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#define PA_STREAM_RECORD PA_STREAM_RECORD
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#define PA_STREAM_UPLOAD PA_STREAM_UPLOAD
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/** \endcond */
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/** Some special flags for stream connections. */
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typedef enum pa_stream_flags {
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PA_STREAM_NOFLAGS = 0x0000U,
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/**< Flag to pass when no specific options are needed (used to avoid casting) \since 0.9.19 */
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PA_STREAM_START_CORKED = 0x0001U,
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/**< Create the stream corked, requiring an explicit
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* pa_stream_cork() call to uncork it. */
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PA_STREAM_INTERPOLATE_TIMING = 0x0002U,
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/**< Interpolate the latency for this stream. When enabled,
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* pa_stream_get_latency() and pa_stream_get_time() will try to
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* estimate the current record/playback time based on the local
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* time that passed since the last timing info update. Using this
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* option has the advantage of not requiring a whole roundtrip
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* when the current playback/recording time is needed. Consider
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* using this option when requesting latency information
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* frequently. This is especially useful on long latency network
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* connections. It makes a lot of sense to combine this option
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* with PA_STREAM_AUTO_TIMING_UPDATE. */
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PA_STREAM_NOT_MONOTONIC = 0x0004U,
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/**< Don't force the time to increase monotonically. If this
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* option is enabled, pa_stream_get_time() will not necessarily
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* return always monotonically increasing time values on each
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* call. This may confuse applications which cannot deal with time
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* going 'backwards', but has the advantage that bad transport
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* latency estimations that caused the time to jump ahead can
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* be corrected quickly, without the need to wait. (Please note
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* that this flag was named PA_STREAM_NOT_MONOTONOUS in releases
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* prior to 0.9.11. The old name is still defined too, for
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* compatibility reasons. */
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PA_STREAM_AUTO_TIMING_UPDATE = 0x0008U,
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/**< If set timing update requests are issued periodically
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* automatically. Combined with PA_STREAM_INTERPOLATE_TIMING you
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* will be able to query the current time and latency with
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* pa_stream_get_time() and pa_stream_get_latency() at all times
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* without a packet round trip.*/
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PA_STREAM_NO_REMAP_CHANNELS = 0x0010U,
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/**< Don't remap channels by their name, instead map them simply
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* by their index. Implies PA_STREAM_NO_REMIX_CHANNELS. Only
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* supported when the server is at least PA 0.9.8. It is ignored
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* on older servers.\since 0.9.8 */
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PA_STREAM_NO_REMIX_CHANNELS = 0x0020U,
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/**< When remapping channels by name, don't upmix or downmix them
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* to related channels. Copy them into matching channels of the
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* device 1:1. Only supported when the server is at least PA
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* 0.9.8. It is ignored on older servers. \since 0.9.8 */
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PA_STREAM_FIX_FORMAT = 0x0040U,
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/**< Use the sample format of the sink/device this stream is being
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* connected to, and possibly ignore the format the sample spec
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* contains -- but you still have to pass a valid value in it as a
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* hint to PulseAudio what would suit your stream best. If this is
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* used you should query the used sample format after creating the
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* stream by using pa_stream_get_sample_spec(). Also, if you
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* specified manual buffer metrics it is recommended to update
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* them with pa_stream_set_buffer_attr() to compensate for the
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* changed frame sizes. Only supported when the server is at least
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* PA 0.9.8. It is ignored on older servers.
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*
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* When creating streams with pa_stream_new_extended(), this flag has no
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* effect. If you specify a format with PCM encoding, and you want the
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* server to choose the sample format, then you should leave the sample
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* format unspecified in the pa_format_info object. This also means that
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* you can't use pa_format_info_from_sample_spec(), because that function
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* always sets the sample format.
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*
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* \since 0.9.8 */
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PA_STREAM_FIX_RATE = 0x0080U,
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/**< Use the sample rate of the sink, and possibly ignore the rate
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* the sample spec contains. Usage similar to
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* PA_STREAM_FIX_FORMAT. Only supported when the server is at least
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* PA 0.9.8. It is ignored on older servers.
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*
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* When creating streams with pa_stream_new_extended(), this flag has no
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* effect. If you specify a format with PCM encoding, and you want the
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* server to choose the sample rate, then you should leave the rate
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* unspecified in the pa_format_info object. This also means that you can't
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* use pa_format_info_from_sample_spec(), because that function always sets
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* the sample rate.
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*
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* \since 0.9.8 */
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PA_STREAM_FIX_CHANNELS = 0x0100,
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/**< Use the number of channels and the channel map of the sink,
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* and possibly ignore the number of channels and the map the
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* sample spec and the passed channel map contains. Usage similar
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* to PA_STREAM_FIX_FORMAT. Only supported when the server is at
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* least PA 0.9.8. It is ignored on older servers.
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*
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* When creating streams with pa_stream_new_extended(), this flag has no
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* effect. If you specify a format with PCM encoding, and you want the
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* server to choose the channel count and/or channel map, then you should
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* leave the channels and/or the channel map unspecified in the
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* pa_format_info object. This also means that you can't use
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* pa_format_info_from_sample_spec(), because that function always sets
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* the channel count (but if you only want to leave the channel map
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* unspecified, then pa_format_info_from_sample_spec() works, because it
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* accepts a NULL channel map).
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*
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* \since 0.9.8 */
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PA_STREAM_DONT_MOVE = 0x0200U,
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/**< Don't allow moving of this stream to another
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* sink/device. Useful if you use any of the PA_STREAM_FIX_ flags
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* and want to make sure that resampling never takes place --
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* which might happen if the stream is moved to another
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* sink/source with a different sample spec/channel map. Only
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* supported when the server is at least PA 0.9.8. It is ignored
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* on older servers. \since 0.9.8 */
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PA_STREAM_VARIABLE_RATE = 0x0400U,
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/**< Allow dynamic changing of the sampling rate during playback
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* with pa_stream_update_sample_rate(). Only supported when the
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* server is at least PA 0.9.8. It is ignored on older
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* servers. \since 0.9.8 */
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PA_STREAM_PEAK_DETECT = 0x0800U,
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/**< Find peaks instead of resampling. \since 0.9.11 */
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PA_STREAM_START_MUTED = 0x1000U,
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/**< Create in muted state. If neither PA_STREAM_START_UNMUTED nor
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* PA_STREAM_START_MUTED it is left to the server to decide
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* whether to create the stream in muted or in unmuted
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* state. \since 0.9.11 */
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PA_STREAM_ADJUST_LATENCY = 0x2000U,
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/**< Try to adjust the latency of the sink/source based on the
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* requested buffer metrics and adjust buffer metrics
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* accordingly. Also see pa_buffer_attr. This option may not be
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* specified at the same time as PA_STREAM_EARLY_REQUESTS. \since
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* 0.9.11 */
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PA_STREAM_EARLY_REQUESTS = 0x4000U,
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/**< Enable compatibility mode for legacy clients that rely on a
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* "classic" hardware device fragment-style playback model. If
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* this option is set, the minreq value of the buffer metrics gets
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* a new meaning: instead of just specifying that no requests
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* asking for less new data than this value will be made to the
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* client it will also guarantee that requests are generated as
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* early as this limit is reached. This flag should only be set in
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* very few situations where compatibility with a fragment-based
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* playback model needs to be kept and the client applications
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* cannot deal with data requests that are delayed to the latest
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* moment possible. (Usually these are programs that use usleep()
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* or a similar call in their playback loops instead of sleeping
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* on the device itself.) Also see pa_buffer_attr. This option may
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* not be specified at the same time as
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* PA_STREAM_ADJUST_LATENCY. \since 0.9.12 */
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PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND = 0x8000U,
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/**< If set this stream won't be taken into account when it is
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* checked whether the device this stream is connected to should
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* auto-suspend. \since 0.9.15 */
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PA_STREAM_START_UNMUTED = 0x10000U,
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/**< Create in unmuted state. If neither PA_STREAM_START_UNMUTED
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* nor PA_STREAM_START_MUTED it is left to the server to decide
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* whether to create the stream in muted or in unmuted
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* state. \since 0.9.15 */
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PA_STREAM_FAIL_ON_SUSPEND = 0x20000U,
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/**< If the sink/source this stream is connected to is suspended
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* during the creation of this stream, cause it to fail. If the
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* sink/source is being suspended during creation of this stream,
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* make sure this stream is terminated. \since 0.9.15 */
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PA_STREAM_RELATIVE_VOLUME = 0x40000U,
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/**< If a volume is passed when this stream is created, consider
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* it relative to the sink's current volume, never as absolute
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* device volume. If this is not specified the volume will be
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* consider absolute when the sink is in flat volume mode,
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* relative otherwise. \since 0.9.20 */
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PA_STREAM_PASSTHROUGH = 0x80000U
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/**< Used to tag content that will be rendered by passthrough sinks.
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* The data will be left as is and not reformatted, resampled.
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* \since 1.0 */
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} pa_stream_flags_t;
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/** \cond fulldocs */
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/* English is an evil language */
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#define PA_STREAM_NOT_MONOTONOUS PA_STREAM_NOT_MONOTONIC
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/* Allow clients to check with #ifdef for those flags */
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#define PA_STREAM_START_CORKED PA_STREAM_START_CORKED
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#define PA_STREAM_INTERPOLATE_TIMING PA_STREAM_INTERPOLATE_TIMING
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#define PA_STREAM_NOT_MONOTONIC PA_STREAM_NOT_MONOTONIC
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#define PA_STREAM_AUTO_TIMING_UPDATE PA_STREAM_AUTO_TIMING_UPDATE
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#define PA_STREAM_NO_REMAP_CHANNELS PA_STREAM_NO_REMAP_CHANNELS
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#define PA_STREAM_NO_REMIX_CHANNELS PA_STREAM_NO_REMIX_CHANNELS
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#define PA_STREAM_FIX_FORMAT PA_STREAM_FIX_FORMAT
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#define PA_STREAM_FIX_RATE PA_STREAM_FIX_RATE
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#define PA_STREAM_FIX_CHANNELS PA_STREAM_FIX_CHANNELS
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#define PA_STREAM_DONT_MOVE PA_STREAM_DONT_MOVE
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#define PA_STREAM_VARIABLE_RATE PA_STREAM_VARIABLE_RATE
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#define PA_STREAM_PEAK_DETECT PA_STREAM_PEAK_DETECT
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#define PA_STREAM_START_MUTED PA_STREAM_START_MUTED
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#define PA_STREAM_ADJUST_LATENCY PA_STREAM_ADJUST_LATENCY
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#define PA_STREAM_EARLY_REQUESTS PA_STREAM_EARLY_REQUESTS
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#define PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND
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#define PA_STREAM_START_UNMUTED PA_STREAM_START_UNMUTED
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#define PA_STREAM_FAIL_ON_SUSPEND PA_STREAM_FAIL_ON_SUSPEND
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#define PA_STREAM_RELATIVE_VOLUME PA_STREAM_RELATIVE_VOLUME
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#define PA_STREAM_PASSTHROUGH PA_STREAM_PASSTHROUGH
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/** \endcond */
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/** Playback and record buffer metrics */
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typedef struct pa_buffer_attr {
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uint32_t maxlength;
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/**< Maximum length of the buffer in bytes. Setting this to (uint32_t) -1
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* will initialize this to the maximum value supported by server,
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* which is recommended.
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*
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* In strict low-latency playback scenarios you might want to set this to
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* a lower value, likely together with the PA_STREAM_ADJUST_LATENCY flag.
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* If you do so, you ensure that the latency doesn't grow beyond what is
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* acceptable for the use case, at the cost of getting more underruns if
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* the latency is lower than what the server can reliably handle. */
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uint32_t tlength;
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/**< Playback only: target length of the buffer. The server tries
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* to assure that at least tlength bytes are always available in
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* the per-stream server-side playback buffer. It is recommended
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* to set this to (uint32_t) -1, which will initialize this to a
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* value that is deemed sensible by the server. However, this
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* value will default to something like 2s, i.e. for applications
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* that have specific latency requirements this value should be
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* set to the maximum latency that the application can deal
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* with. When PA_STREAM_ADJUST_LATENCY is not set this value will
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* influence only the per-stream playback buffer size. When
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* PA_STREAM_ADJUST_LATENCY is set the overall latency of the sink
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* plus the playback buffer size is configured to this value. Set
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* PA_STREAM_ADJUST_LATENCY if you are interested in adjusting the
|
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* overall latency. Don't set it if you are interested in
|
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* configuring the server-side per-stream playback buffer
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* size. */
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uint32_t prebuf;
|
|
/**< Playback only: pre-buffering. The server does not start with
|
|
* playback before at least prebuf bytes are available in the
|
|
* buffer. It is recommended to set this to (uint32_t) -1, which
|
|
* will initialize this to the same value as tlength, whatever
|
|
* that may be. Initialize to 0 to enable manual start/stop
|
|
* control of the stream. This means that playback will not stop
|
|
* on underrun and playback will not start automatically. Instead
|
|
* pa_stream_cork() needs to be called explicitly. If you set
|
|
* this value to 0 you should also set PA_STREAM_START_CORKED. */
|
|
|
|
uint32_t minreq;
|
|
/**< Playback only: minimum request. The server does not request
|
|
* less than minreq bytes from the client, instead waits until the
|
|
* buffer is free enough to request more bytes at once. It is
|
|
* recommended to set this to (uint32_t) -1, which will initialize
|
|
* this to a value that is deemed sensible by the server. This
|
|
* should be set to a value that gives PulseAudio enough time to
|
|
* move the data from the per-stream playback buffer into the
|
|
* hardware playback buffer. */
|
|
|
|
uint32_t fragsize;
|
|
/**< Recording only: fragment size. The server sends data in
|
|
* blocks of fragsize bytes size. Large values diminish
|
|
* interactivity with other operations on the connection context
|
|
* but decrease control overhead. It is recommended to set this to
|
|
* (uint32_t) -1, which will initialize this to a value that is
|
|
* deemed sensible by the server. However, this value will default
|
|
* to something like 2s, i.e. for applications that have specific
|
|
* latency requirements this value should be set to the maximum
|
|
* latency that the application can deal with. If
|
|
* PA_STREAM_ADJUST_LATENCY is set the overall source latency will
|
|
* be adjusted according to this value. If it is not set the
|
|
* source latency is left unmodified. */
|
|
|
|
} pa_buffer_attr;
|
|
|
|
/** Error values as used by pa_context_errno(). Use pa_strerror() to convert these values to human readable strings */
|
|
typedef enum pa_error_code {
|
|
PA_OK = 0, /**< No error */
|
|
PA_ERR_ACCESS, /**< Access failure */
|
|
PA_ERR_COMMAND, /**< Unknown command */
|
|
PA_ERR_INVALID, /**< Invalid argument */
|
|
PA_ERR_EXIST, /**< Entity exists */
|
|
PA_ERR_NOENTITY, /**< No such entity */
|
|
PA_ERR_CONNECTIONREFUSED, /**< Connection refused */
|
|
PA_ERR_PROTOCOL, /**< Protocol error */
|
|
PA_ERR_TIMEOUT, /**< Timeout */
|
|
PA_ERR_AUTHKEY, /**< No authentication key */
|
|
PA_ERR_INTERNAL, /**< Internal error */
|
|
PA_ERR_CONNECTIONTERMINATED, /**< Connection terminated */
|
|
PA_ERR_KILLED, /**< Entity killed */
|
|
PA_ERR_INVALIDSERVER, /**< Invalid server */
|
|
PA_ERR_MODINITFAILED, /**< Module initialization failed */
|
|
PA_ERR_BADSTATE, /**< Bad state */
|
|
PA_ERR_NODATA, /**< No data */
|
|
PA_ERR_VERSION, /**< Incompatible protocol version */
|
|
PA_ERR_TOOLARGE, /**< Data too large */
|
|
PA_ERR_NOTSUPPORTED, /**< Operation not supported \since 0.9.5 */
|
|
PA_ERR_UNKNOWN, /**< The error code was unknown to the client */
|
|
PA_ERR_NOEXTENSION, /**< Extension does not exist. \since 0.9.12 */
|
|
PA_ERR_OBSOLETE, /**< Obsolete functionality. \since 0.9.15 */
|
|
PA_ERR_NOTIMPLEMENTED, /**< Missing implementation. \since 0.9.15 */
|
|
PA_ERR_FORKED, /**< The caller forked without calling execve() and tried to reuse the context. \since 0.9.15 */
|
|
PA_ERR_IO, /**< An IO error happened. \since 0.9.16 */
|
|
PA_ERR_BUSY, /**< Device or resource busy. \since 0.9.17 */
|
|
PA_ERR_MAX /**< Not really an error but the first invalid error code */
|
|
} pa_error_code_t;
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_OK PA_OK
|
|
#define PA_ERR_ACCESS PA_ERR_ACCESS
|
|
#define PA_ERR_COMMAND PA_ERR_COMMAND
|
|
#define PA_ERR_INVALID PA_ERR_INVALID
|
|
#define PA_ERR_EXIST PA_ERR_EXIST
|
|
#define PA_ERR_NOENTITY PA_ERR_NOENTITY
|
|
#define PA_ERR_CONNECTIONREFUSED PA_ERR_CONNECTIONREFUSED
|
|
#define PA_ERR_PROTOCOL PA_ERR_PROTOCOL
|
|
#define PA_ERR_TIMEOUT PA_ERR_TIMEOUT
|
|
#define PA_ERR_AUTHKEY PA_ERR_AUTHKEY
|
|
#define PA_ERR_INTERNAL PA_ERR_INTERNAL
|
|
#define PA_ERR_CONNECTIONTERMINATED PA_ERR_CONNECTIONTERMINATED
|
|
#define PA_ERR_KILLED PA_ERR_KILLED
|
|
#define PA_ERR_INVALIDSERVER PA_ERR_INVALIDSERVER
|
|
#define PA_ERR_MODINITFAILED PA_ERR_MODINITFAILED
|
|
#define PA_ERR_BADSTATE PA_ERR_BADSTATE
|
|
#define PA_ERR_NODATA PA_ERR_NODATA
|
|
#define PA_ERR_VERSION PA_ERR_VERSION
|
|
#define PA_ERR_TOOLARGE PA_ERR_TOOLARGE
|
|
#define PA_ERR_NOTSUPPORTED PA_ERR_NOTSUPPORTED
|
|
#define PA_ERR_UNKNOWN PA_ERR_UNKNOWN
|
|
#define PA_ERR_NOEXTENSION PA_ERR_NOEXTENSION
|
|
#define PA_ERR_OBSOLETE PA_ERR_OBSOLETE
|
|
#define PA_ERR_NOTIMPLEMENTED PA_ERR_NOTIMPLEMENTED
|
|
#define PA_ERR_FORKED PA_ERR_FORKED
|
|
#define PA_ERR_MAX PA_ERR_MAX
|
|
/** \endcond */
|
|
|
|
/** Subscription event mask, as used by pa_context_subscribe() */
|
|
typedef enum pa_subscription_mask {
|
|
PA_SUBSCRIPTION_MASK_NULL = 0x0000U,
|
|
/**< No events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SINK = 0x0001U,
|
|
/**< Sink events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SOURCE = 0x0002U,
|
|
/**< Source events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SINK_INPUT = 0x0004U,
|
|
/**< Sink input events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT = 0x0008U,
|
|
/**< Source output events */
|
|
|
|
PA_SUBSCRIPTION_MASK_MODULE = 0x0010U,
|
|
/**< Module events */
|
|
|
|
PA_SUBSCRIPTION_MASK_CLIENT = 0x0020U,
|
|
/**< Client events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SAMPLE_CACHE = 0x0040U,
|
|
/**< Sample cache events */
|
|
|
|
PA_SUBSCRIPTION_MASK_SERVER = 0x0080U,
|
|
/**< Other global server changes. */
|
|
|
|
/** \cond fulldocs */
|
|
PA_SUBSCRIPTION_MASK_AUTOLOAD = 0x0100U,
|
|
/**< \deprecated Autoload table events. */
|
|
/** \endcond */
|
|
|
|
PA_SUBSCRIPTION_MASK_CARD = 0x0200U,
|
|
/**< Card events. \since 0.9.15 */
|
|
|
|
PA_SUBSCRIPTION_MASK_ALL = 0x02ffU
|
|
/**< Catch all events */
|
|
} pa_subscription_mask_t;
|
|
|
|
/** Subscription event types, as used by pa_context_subscribe() */
|
|
typedef enum pa_subscription_event_type {
|
|
PA_SUBSCRIPTION_EVENT_SINK = 0x0000U,
|
|
/**< Event type: Sink */
|
|
|
|
PA_SUBSCRIPTION_EVENT_SOURCE = 0x0001U,
|
|
/**< Event type: Source */
|
|
|
|
PA_SUBSCRIPTION_EVENT_SINK_INPUT = 0x0002U,
|
|
/**< Event type: Sink input */
|
|
|
|
PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT = 0x0003U,
|
|
/**< Event type: Source output */
|
|
|
|
PA_SUBSCRIPTION_EVENT_MODULE = 0x0004U,
|
|
/**< Event type: Module */
|
|
|
|
PA_SUBSCRIPTION_EVENT_CLIENT = 0x0005U,
|
|
/**< Event type: Client */
|
|
|
|
PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE = 0x0006U,
|
|
/**< Event type: Sample cache item */
|
|
|
|
PA_SUBSCRIPTION_EVENT_SERVER = 0x0007U,
|
|
/**< Event type: Global server change, only occurring with PA_SUBSCRIPTION_EVENT_CHANGE. */
|
|
|
|
/** \cond fulldocs */
|
|
PA_SUBSCRIPTION_EVENT_AUTOLOAD = 0x0008U,
|
|
/**< \deprecated Event type: Autoload table changes. */
|
|
/** \endcond */
|
|
|
|
PA_SUBSCRIPTION_EVENT_CARD = 0x0009U,
|
|
/**< Event type: Card \since 0.9.15 */
|
|
|
|
PA_SUBSCRIPTION_EVENT_FACILITY_MASK = 0x000FU,
|
|
/**< A mask to extract the event type from an event value */
|
|
|
|
PA_SUBSCRIPTION_EVENT_NEW = 0x0000U,
|
|
/**< A new object was created */
|
|
|
|
PA_SUBSCRIPTION_EVENT_CHANGE = 0x0010U,
|
|
/**< A property of the object was modified */
|
|
|
|
PA_SUBSCRIPTION_EVENT_REMOVE = 0x0020U,
|
|
/**< An object was removed */
|
|
|
|
PA_SUBSCRIPTION_EVENT_TYPE_MASK = 0x0030U
|
|
/**< A mask to extract the event operation from an event value */
|
|
|
|
} pa_subscription_event_type_t;
|
|
|
|
/** Return one if an event type t matches an event mask bitfield */
|
|
#define pa_subscription_match_flags(m, t) (!!((m) & (1 << ((t) & PA_SUBSCRIPTION_EVENT_FACILITY_MASK))))
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SUBSCRIPTION_MASK_NULL PA_SUBSCRIPTION_MASK_NULL
|
|
#define PA_SUBSCRIPTION_MASK_SINK PA_SUBSCRIPTION_MASK_SINK
|
|
#define PA_SUBSCRIPTION_MASK_SOURCE PA_SUBSCRIPTION_MASK_SOURCE
|
|
#define PA_SUBSCRIPTION_MASK_SINK_INPUT PA_SUBSCRIPTION_MASK_SINK_INPUT
|
|
#define PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT
|
|
#define PA_SUBSCRIPTION_MASK_MODULE PA_SUBSCRIPTION_MASK_MODULE
|
|
#define PA_SUBSCRIPTION_MASK_CLIENT PA_SUBSCRIPTION_MASK_CLIENT
|
|
#define PA_SUBSCRIPTION_MASK_SAMPLE_CACHE PA_SUBSCRIPTION_MASK_SAMPLE_CACHE
|
|
#define PA_SUBSCRIPTION_MASK_SERVER PA_SUBSCRIPTION_MASK_SERVER
|
|
#define PA_SUBSCRIPTION_MASK_AUTOLOAD PA_SUBSCRIPTION_MASK_AUTOLOAD
|
|
#define PA_SUBSCRIPTION_MASK_CARD PA_SUBSCRIPTION_MASK_CARD
|
|
#define PA_SUBSCRIPTION_MASK_ALL PA_SUBSCRIPTION_MASK_ALL
|
|
#define PA_SUBSCRIPTION_EVENT_SINK PA_SUBSCRIPTION_EVENT_SINK
|
|
#define PA_SUBSCRIPTION_EVENT_SOURCE PA_SUBSCRIPTION_EVENT_SOURCE
|
|
#define PA_SUBSCRIPTION_EVENT_SINK_INPUT PA_SUBSCRIPTION_EVENT_SINK_INPUT
|
|
#define PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|
|
#define PA_SUBSCRIPTION_EVENT_MODULE PA_SUBSCRIPTION_EVENT_MODULE
|
|
#define PA_SUBSCRIPTION_EVENT_CLIENT PA_SUBSCRIPTION_EVENT_CLIENT
|
|
#define PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE
|
|
#define PA_SUBSCRIPTION_EVENT_SERVER PA_SUBSCRIPTION_EVENT_SERVER
|
|
#define PA_SUBSCRIPTION_EVENT_AUTOLOAD PA_SUBSCRIPTION_EVENT_AUTOLOAD
|
|
#define PA_SUBSCRIPTION_EVENT_CARD PA_SUBSCRIPTION_EVENT_CARD
|
|
#define PA_SUBSCRIPTION_EVENT_FACILITY_MASK PA_SUBSCRIPTION_EVENT_FACILITY_MASK
|
|
#define PA_SUBSCRIPTION_EVENT_NEW PA_SUBSCRIPTION_EVENT_NEW
|
|
#define PA_SUBSCRIPTION_EVENT_CHANGE PA_SUBSCRIPTION_EVENT_CHANGE
|
|
#define PA_SUBSCRIPTION_EVENT_REMOVE PA_SUBSCRIPTION_EVENT_REMOVE
|
|
#define PA_SUBSCRIPTION_EVENT_TYPE_MASK PA_SUBSCRIPTION_EVENT_TYPE_MASK
|
|
/** \endcond */
|
|
|
|
/** A structure for all kinds of timing information of a stream. See
|
|
* pa_stream_update_timing_info() and pa_stream_get_timing_info(). The
|
|
* total output latency a sample that is written with
|
|
* pa_stream_write() takes to be played may be estimated by
|
|
* sink_usec+buffer_usec+transport_usec. (where buffer_usec is defined
|
|
* as pa_bytes_to_usec(write_index-read_index)) The output buffer
|
|
* which buffer_usec relates to may be manipulated freely (with
|
|
* pa_stream_write()'s seek argument, pa_stream_flush() and friends),
|
|
* the buffers sink_usec and source_usec relate to are first-in
|
|
* first-out (FIFO) buffers which cannot be flushed or manipulated in
|
|
* any way. The total input latency a sample that is recorded takes to
|
|
* be delivered to the application is:
|
|
* source_usec+buffer_usec+transport_usec-sink_usec. (Take care of
|
|
* sign issues!) When connected to a monitor source sink_usec contains
|
|
* the latency of the owning sink. The two latency estimations
|
|
* described here are implemented in pa_stream_get_latency(). Please
|
|
* note that this structure can be extended as part of evolutionary
|
|
* API updates at any time in any new release.*/
|
|
typedef struct pa_timing_info {
|
|
struct timeval timestamp;
|
|
/**< The time when this timing info structure was current */
|
|
|
|
int synchronized_clocks;
|
|
/**< Non-zero if the local and the remote machine have
|
|
* synchronized clocks. If synchronized clocks are detected
|
|
* transport_usec becomes much more reliable. However, the code
|
|
* that detects synchronized clocks is very limited and unreliable
|
|
* itself. */
|
|
|
|
pa_usec_t sink_usec;
|
|
/**< Time in usecs a sample takes to be played on the sink. For
|
|
* playback streams and record streams connected to a monitor
|
|
* source. */
|
|
|
|
pa_usec_t source_usec;
|
|
/**< Time in usecs a sample takes from being recorded to being
|
|
* delivered to the application. Only for record streams. */
|
|
|
|
pa_usec_t transport_usec;
|
|
/**< Estimated time in usecs a sample takes to be transferred
|
|
* to/from the daemon. For both playback and record streams. */
|
|
|
|
int playing;
|
|
/**< Non-zero when the stream is currently not underrun and data
|
|
* is being passed on to the device. Only for playback
|
|
* streams. This field does not say whether the data is actually
|
|
* already being played. To determine this check whether
|
|
* since_underrun (converted to usec) is larger than sink_usec.*/
|
|
|
|
int write_index_corrupt;
|
|
/**< Non-zero if write_index is not up-to-date because a local
|
|
* write command that corrupted it has been issued in the time
|
|
* since this latency info was current . Only write commands with
|
|
* SEEK_RELATIVE_ON_READ and SEEK_RELATIVE_END can corrupt
|
|
* write_index. */
|
|
|
|
int64_t write_index;
|
|
/**< Current write index into the playback buffer in bytes. Think
|
|
* twice before using this for seeking purposes: it might be out
|
|
* of date a the time you want to use it. Consider using
|
|
* PA_SEEK_RELATIVE instead. */
|
|
|
|
int read_index_corrupt;
|
|
/**< Non-zero if read_index is not up-to-date because a local
|
|
* pause or flush request that corrupted it has been issued in the
|
|
* time since this latency info was current. */
|
|
|
|
int64_t read_index;
|
|
/**< Current read index into the playback buffer in bytes. Think
|
|
* twice before using this for seeking purposes: it might be out
|
|
* of date a the time you want to use it. Consider using
|
|
* PA_SEEK_RELATIVE_ON_READ instead. */
|
|
|
|
pa_usec_t configured_sink_usec;
|
|
/**< The configured latency for the sink. \since 0.9.11 */
|
|
|
|
pa_usec_t configured_source_usec;
|
|
/**< The configured latency for the source. \since 0.9.11 */
|
|
|
|
int64_t since_underrun;
|
|
/**< Bytes that were handed to the sink since the last underrun
|
|
* happened, or since playback started again after the last
|
|
* underrun. playing will tell you which case it is. \since
|
|
* 0.9.11 */
|
|
|
|
} pa_timing_info;
|
|
|
|
/** A structure for the spawn api. This may be used to integrate auto
|
|
* spawned daemons into your application. For more information see
|
|
* pa_context_connect(). When spawning a new child process the
|
|
* waitpid() is used on the child's PID. The spawn routine will not
|
|
* block or ignore SIGCHLD signals, since this cannot be done in a
|
|
* thread compatible way. You might have to do this in
|
|
* prefork/postfork. */
|
|
typedef struct pa_spawn_api {
|
|
void (*prefork)(void);
|
|
/**< Is called just before the fork in the parent process. May be
|
|
* NULL. */
|
|
|
|
void (*postfork)(void);
|
|
/**< Is called immediately after the fork in the parent
|
|
* process. May be NULL.*/
|
|
|
|
void (*atfork)(void);
|
|
/**< Is called immediately after the fork in the child
|
|
* process. May be NULL. It is not safe to close all file
|
|
* descriptors in this function unconditionally, since a UNIX
|
|
* socket (created using socketpair()) is passed to the new
|
|
* process. */
|
|
} pa_spawn_api;
|
|
|
|
/** Seek type for pa_stream_write(). */
|
|
typedef enum pa_seek_mode {
|
|
PA_SEEK_RELATIVE = 0,
|
|
/**< Seek relatively to the write index */
|
|
|
|
PA_SEEK_ABSOLUTE = 1,
|
|
/**< Seek relatively to the start of the buffer queue */
|
|
|
|
PA_SEEK_RELATIVE_ON_READ = 2,
|
|
/**< Seek relatively to the read index. */
|
|
|
|
PA_SEEK_RELATIVE_END = 3
|
|
/**< Seek relatively to the current end of the buffer queue. */
|
|
} pa_seek_mode_t;
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SEEK_RELATIVE PA_SEEK_RELATIVE
|
|
#define PA_SEEK_ABSOLUTE PA_SEEK_ABSOLUTE
|
|
#define PA_SEEK_RELATIVE_ON_READ PA_SEEK_RELATIVE_ON_READ
|
|
#define PA_SEEK_RELATIVE_END PA_SEEK_RELATIVE_END
|
|
/** \endcond */
|
|
|
|
/** Special sink flags. */
|
|
typedef enum pa_sink_flags {
|
|
PA_SINK_NOFLAGS = 0x0000U,
|
|
/**< Flag to pass when no specific options are needed (used to avoid casting) \since 0.9.19 */
|
|
|
|
PA_SINK_HW_VOLUME_CTRL = 0x0001U,
|
|
/**< Supports hardware volume control. This is a dynamic flag and may
|
|
* change at runtime after the sink has initialized */
|
|
|
|
PA_SINK_LATENCY = 0x0002U,
|
|
/**< Supports latency querying */
|
|
|
|
PA_SINK_HARDWARE = 0x0004U,
|
|
/**< Is a hardware sink of some kind, in contrast to
|
|
* "virtual"/software sinks \since 0.9.3 */
|
|
|
|
PA_SINK_NETWORK = 0x0008U,
|
|
/**< Is a networked sink of some kind. \since 0.9.7 */
|
|
|
|
PA_SINK_HW_MUTE_CTRL = 0x0010U,
|
|
/**< Supports hardware mute control. This is a dynamic flag and may
|
|
* change at runtime after the sink has initialized \since 0.9.11 */
|
|
|
|
PA_SINK_DECIBEL_VOLUME = 0x0020U,
|
|
/**< Volume can be translated to dB with pa_sw_volume_to_dB(). This is a
|
|
* dynamic flag and may change at runtime after the sink has initialized
|
|
* \since 0.9.11 */
|
|
|
|
PA_SINK_FLAT_VOLUME = 0x0040U,
|
|
/**< This sink is in flat volume mode, i.e.\ always the maximum of
|
|
* the volume of all connected inputs. \since 0.9.15 */
|
|
|
|
PA_SINK_DYNAMIC_LATENCY = 0x0080U,
|
|
/**< The latency can be adjusted dynamically depending on the
|
|
* needs of the connected streams. \since 0.9.15 */
|
|
|
|
PA_SINK_SET_FORMATS = 0x0100U,
|
|
/**< The sink allows setting what formats are supported by the connected
|
|
* hardware. The actual functionality to do this might be provided by an
|
|
* extension. \since 1.0 */
|
|
|
|
#ifdef __INCLUDED_FROM_PULSE_AUDIO
|
|
/** \cond fulldocs */
|
|
/* PRIVATE: Server-side values -- do not try to use these at client-side.
|
|
* The server will filter out these flags anyway, so you should never see
|
|
* these flags in sinks. */
|
|
|
|
PA_SINK_SHARE_VOLUME_WITH_MASTER = 0x1000000U,
|
|
/**< This sink shares the volume with the master sink (used by some filter
|
|
* sinks). */
|
|
|
|
PA_SINK_DEFERRED_VOLUME = 0x2000000U,
|
|
/**< The HW volume changes are syncronized with SW volume. */
|
|
/** \endcond */
|
|
#endif
|
|
|
|
} pa_sink_flags_t;
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SINK_HW_VOLUME_CTRL PA_SINK_HW_VOLUME_CTRL
|
|
#define PA_SINK_LATENCY PA_SINK_LATENCY
|
|
#define PA_SINK_HARDWARE PA_SINK_HARDWARE
|
|
#define PA_SINK_NETWORK PA_SINK_NETWORK
|
|
#define PA_SINK_HW_MUTE_CTRL PA_SINK_HW_MUTE_CTRL
|
|
#define PA_SINK_DECIBEL_VOLUME PA_SINK_DECIBEL_VOLUME
|
|
#define PA_SINK_FLAT_VOLUME PA_SINK_FLAT_VOLUME
|
|
#define PA_SINK_DYNAMIC_LATENCY PA_SINK_DYNAMIC_LATENCY
|
|
#define PA_SINK_SET_FORMATS PA_SINK_SET_FORMATS
|
|
#ifdef __INCLUDED_FROM_PULSE_AUDIO
|
|
#define PA_SINK_CLIENT_FLAGS_MASK 0xFFFFFF
|
|
#endif
|
|
|
|
/** \endcond */
|
|
|
|
/** Sink state. \since 0.9.15 */
|
|
typedef enum pa_sink_state { /* enum serialized in u8 */
|
|
PA_SINK_INVALID_STATE = -1,
|
|
/**< This state is used when the server does not support sink state introspection \since 0.9.15 */
|
|
|
|
PA_SINK_RUNNING = 0,
|
|
/**< Running, sink is playing and used by at least one non-corked sink-input \since 0.9.15 */
|
|
|
|
PA_SINK_IDLE = 1,
|
|
/**< When idle, the sink is playing but there is no non-corked sink-input attached to it \since 0.9.15 */
|
|
|
|
PA_SINK_SUSPENDED = 2,
|
|
/**< When suspended, actual sink access can be closed, for instance \since 0.9.15 */
|
|
|
|
/** \cond fulldocs */
|
|
/* PRIVATE: Server-side values -- DO NOT USE THIS ON THE CLIENT
|
|
* SIDE! These values are *not* considered part of the official PA
|
|
* API/ABI. If you use them your application might break when PA
|
|
* is upgraded. Also, please note that these values are not useful
|
|
* on the client side anyway. */
|
|
|
|
PA_SINK_INIT = -2,
|
|
/**< Initialization state */
|
|
|
|
PA_SINK_UNLINKED = -3
|
|
/**< The state when the sink is getting unregistered and removed from client access */
|
|
/** \endcond */
|
|
|
|
} pa_sink_state_t;
|
|
|
|
/** Returns non-zero if sink is playing: running or idle. \since 0.9.15 */
|
|
static inline int PA_SINK_IS_OPENED(pa_sink_state_t x) {
|
|
return x == PA_SINK_RUNNING || x == PA_SINK_IDLE;
|
|
}
|
|
|
|
/** Returns non-zero if sink is running. \since 1.0 */
|
|
static inline int PA_SINK_IS_RUNNING(pa_sink_state_t x) {
|
|
return x == PA_SINK_RUNNING;
|
|
}
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SINK_INVALID_STATE PA_SINK_INVALID_STATE
|
|
#define PA_SINK_RUNNING PA_SINK_RUNNING
|
|
#define PA_SINK_IDLE PA_SINK_IDLE
|
|
#define PA_SINK_SUSPENDED PA_SINK_SUSPENDED
|
|
#define PA_SINK_INIT PA_SINK_INIT
|
|
#define PA_SINK_UNLINKED PA_SINK_UNLINKED
|
|
#define PA_SINK_IS_OPENED PA_SINK_IS_OPENED
|
|
/** \endcond */
|
|
|
|
/** Special source flags. */
|
|
typedef enum pa_source_flags {
|
|
PA_SOURCE_NOFLAGS = 0x0000U,
|
|
/**< Flag to pass when no specific options are needed (used to avoid casting) \since 0.9.19 */
|
|
|
|
PA_SOURCE_HW_VOLUME_CTRL = 0x0001U,
|
|
/**< Supports hardware volume control. This is a dynamic flag and may
|
|
* change at runtime after the source has initialized */
|
|
|
|
PA_SOURCE_LATENCY = 0x0002U,
|
|
/**< Supports latency querying */
|
|
|
|
PA_SOURCE_HARDWARE = 0x0004U,
|
|
/**< Is a hardware source of some kind, in contrast to
|
|
* "virtual"/software source \since 0.9.3 */
|
|
|
|
PA_SOURCE_NETWORK = 0x0008U,
|
|
/**< Is a networked source of some kind. \since 0.9.7 */
|
|
|
|
PA_SOURCE_HW_MUTE_CTRL = 0x0010U,
|
|
/**< Supports hardware mute control. This is a dynamic flag and may
|
|
* change at runtime after the source has initialized \since 0.9.11 */
|
|
|
|
PA_SOURCE_DECIBEL_VOLUME = 0x0020U,
|
|
/**< Volume can be translated to dB with pa_sw_volume_to_dB(). This is a
|
|
* dynamic flag and may change at runtime after the source has initialized
|
|
* \since 0.9.11 */
|
|
|
|
PA_SOURCE_DYNAMIC_LATENCY = 0x0040U,
|
|
/**< The latency can be adjusted dynamically depending on the
|
|
* needs of the connected streams. \since 0.9.15 */
|
|
|
|
PA_SOURCE_FLAT_VOLUME = 0x0080U,
|
|
/**< This source is in flat volume mode, i.e.\ always the maximum of
|
|
* the volume of all connected outputs. \since 1.0 */
|
|
|
|
#ifdef __INCLUDED_FROM_PULSE_AUDIO
|
|
/** \cond fulldocs */
|
|
/* PRIVATE: Server-side values -- do not try to use these at client-side.
|
|
* The server will filter out these flags anyway, so you should never see
|
|
* these flags in sources. */
|
|
|
|
PA_SOURCE_SHARE_VOLUME_WITH_MASTER = 0x1000000U,
|
|
/**< This source shares the volume with the master source (used by some filter
|
|
* sources). */
|
|
|
|
PA_SOURCE_DEFERRED_VOLUME = 0x2000000U,
|
|
/**< The HW volume changes are syncronized with SW volume. */
|
|
#endif
|
|
} pa_source_flags_t;
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SOURCE_HW_VOLUME_CTRL PA_SOURCE_HW_VOLUME_CTRL
|
|
#define PA_SOURCE_LATENCY PA_SOURCE_LATENCY
|
|
#define PA_SOURCE_HARDWARE PA_SOURCE_HARDWARE
|
|
#define PA_SOURCE_NETWORK PA_SOURCE_NETWORK
|
|
#define PA_SOURCE_HW_MUTE_CTRL PA_SOURCE_HW_MUTE_CTRL
|
|
#define PA_SOURCE_DECIBEL_VOLUME PA_SOURCE_DECIBEL_VOLUME
|
|
#define PA_SOURCE_DYNAMIC_LATENCY PA_SOURCE_DYNAMIC_LATENCY
|
|
#define PA_SOURCE_FLAT_VOLUME PA_SOURCE_FLAT_VOLUME
|
|
#ifdef __INCLUDED_FROM_PULSE_AUDIO
|
|
#define PA_SOURCE_CLIENT_FLAGS_MASK 0xFFFFFF
|
|
#endif
|
|
|
|
/** \endcond */
|
|
|
|
/** Source state. \since 0.9.15 */
|
|
typedef enum pa_source_state {
|
|
PA_SOURCE_INVALID_STATE = -1,
|
|
/**< This state is used when the server does not support source state introspection \since 0.9.15 */
|
|
|
|
PA_SOURCE_RUNNING = 0,
|
|
/**< Running, source is recording and used by at least one non-corked source-output \since 0.9.15 */
|
|
|
|
PA_SOURCE_IDLE = 1,
|
|
/**< When idle, the source is still recording but there is no non-corked source-output \since 0.9.15 */
|
|
|
|
PA_SOURCE_SUSPENDED = 2,
|
|
/**< When suspended, actual source access can be closed, for instance \since 0.9.15 */
|
|
|
|
/** \cond fulldocs */
|
|
/* PRIVATE: Server-side values -- DO NOT USE THIS ON THE CLIENT
|
|
* SIDE! These values are *not* considered part of the official PA
|
|
* API/ABI. If you use them your application might break when PA
|
|
* is upgraded. Also, please note that these values are not useful
|
|
* on the client side anyway. */
|
|
|
|
PA_SOURCE_INIT = -2,
|
|
/**< Initialization state */
|
|
|
|
PA_SOURCE_UNLINKED = -3
|
|
/**< The state when the source is getting unregistered and removed from client access */
|
|
/** \endcond */
|
|
|
|
} pa_source_state_t;
|
|
|
|
/** Returns non-zero if source is recording: running or idle. \since 0.9.15 */
|
|
static inline int PA_SOURCE_IS_OPENED(pa_source_state_t x) {
|
|
return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE;
|
|
}
|
|
|
|
/** Returns non-zero if source is running \since 1.0 */
|
|
static inline int PA_SOURCE_IS_RUNNING(pa_source_state_t x) {
|
|
return x == PA_SOURCE_RUNNING;
|
|
}
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_SOURCE_INVALID_STATE PA_SOURCE_INVALID_STATE
|
|
#define PA_SOURCE_RUNNING PA_SOURCE_RUNNING
|
|
#define PA_SOURCE_IDLE PA_SOURCE_IDLE
|
|
#define PA_SOURCE_SUSPENDED PA_SOURCE_SUSPENDED
|
|
#define PA_SOURCE_INIT PA_SOURCE_INIT
|
|
#define PA_SOURCE_UNLINKED PA_SOURCE_UNLINKED
|
|
#define PA_SOURCE_IS_OPENED PA_SOURCE_IS_OPENED
|
|
/** \endcond */
|
|
|
|
/** A generic free() like callback prototype */
|
|
typedef void (*pa_free_cb_t)(void *p);
|
|
|
|
/** A stream policy/meta event requesting that an application should
|
|
* cork a specific stream. See pa_stream_event_cb_t for more
|
|
* information. \since 0.9.15 */
|
|
#define PA_STREAM_EVENT_REQUEST_CORK "request-cork"
|
|
|
|
/** A stream policy/meta event requesting that an application should
|
|
* cork a specific stream. See pa_stream_event_cb_t for more
|
|
* information, \since 0.9.15 */
|
|
#define PA_STREAM_EVENT_REQUEST_UNCORK "request-uncork"
|
|
|
|
/** A stream event notifying that the stream is going to be
|
|
* disconnected because the underlying sink changed and no longer
|
|
* supports the format that was originally negotiated. Clients need
|
|
* to connect a new stream to renegotiate a format and continue
|
|
* playback. \since 1.0 */
|
|
#define PA_STREAM_EVENT_FORMAT_LOST "format-lost"
|
|
|
|
#ifndef __INCLUDED_FROM_PULSE_AUDIO
|
|
/** Port availability / jack detection status
|
|
* \since 2.0 */
|
|
typedef enum pa_port_available {
|
|
PA_PORT_AVAILABLE_UNKNOWN = 0, /**< This port does not support jack detection \since 2.0 */
|
|
PA_PORT_AVAILABLE_NO = 1, /**< This port is not available, likely because the jack is not plugged in. \since 2.0 */
|
|
PA_PORT_AVAILABLE_YES = 2, /**< This port is available, likely because the jack is plugged in. \since 2.0 */
|
|
} pa_port_available_t;
|
|
|
|
/** \cond fulldocs */
|
|
#define PA_PORT_AVAILABLE_UNKNOWN PA_PORT_AVAILABLE_UNKNOWN
|
|
#define PA_PORT_AVAILABLE_NO PA_PORT_AVAILABLE_NO
|
|
#define PA_PORT_AVAILABLE_YES PA_PORT_AVAILABLE_YES
|
|
|
|
/** \endcond */
|
|
#endif
|
|
|
|
PA_C_DECL_END
|
|
|
|
#endif
|