diff options
Diffstat (limited to '')
| -rw-r--r-- | src/pulsecore/sink.h | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h new file mode 100644 index 0000000..c3f5fbc --- /dev/null +++ b/src/pulsecore/sink.h @@ -0,0 +1,575 @@ +#ifndef foopulsesinkhfoo +#define foopulsesinkhfoo + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB + + PulseAudio 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. + + PulseAudio 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 + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#include <inttypes.h> + +#include <pulsecore/typedefs.h> +#include <pulse/def.h> +#include <pulse/format.h> +#include <pulse/sample.h> +#include <pulse/channelmap.h> +#include <pulse/volume.h> + +#include <pulsecore/core.h> +#include <pulsecore/idxset.h> +#include <pulsecore/memchunk.h> +#include <pulsecore/source.h> +#include <pulsecore/module.h> +#include <pulsecore/asyncmsgq.h> +#include <pulsecore/msgobject.h> +#include <pulsecore/rtpoll.h> +#include <pulsecore/device-port.h> +#include <pulsecore/card.h> +#include <pulsecore/queue.h> +#include <pulsecore/thread-mq.h> +#include <pulsecore/sink-input.h> + +#define PA_MAX_INPUTS_PER_SINK 256 + +/* Returns true if sink is linked: registered and accessible from client side. */ +static inline bool PA_SINK_IS_LINKED(pa_sink_state_t x) { + return x == PA_SINK_RUNNING || x == PA_SINK_IDLE || x == PA_SINK_SUSPENDED; +} + +/* A generic definition for void callback functions */ +typedef void(*pa_sink_cb_t)(pa_sink *s); + +typedef int (*pa_sink_get_mute_cb_t)(pa_sink *s, bool *mute); + +struct pa_sink { + pa_msgobject parent; + + uint32_t index; + pa_core *core; + + pa_sink_state_t state; + + /* Set in the beginning of pa_sink_unlink() before setting the sink state + * to UNLINKED. The purpose is to prevent moving streams to a sink that is + * about to be removed. */ + bool unlink_requested; + + pa_sink_flags_t flags; + pa_suspend_cause_t suspend_cause; + + char *name; + char *driver; /* may be NULL */ + pa_proplist *proplist; + + pa_module *module; /* may be NULL */ + pa_card *card; /* may be NULL */ + + pa_sample_spec sample_spec; + pa_channel_map channel_map; + uint32_t default_sample_rate; + uint32_t alternate_sample_rate; + bool avoid_resampling:1; + + pa_idxset *inputs; + unsigned n_corked; + pa_source *monitor_source; + pa_sink_input *input_to_master; /* non-NULL only for filter sinks */ + + pa_volume_t base_volume; /* shall be constant */ + unsigned n_volume_steps; /* shall be constant */ + + /* Also see http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/Developer/Volumes/ */ + pa_cvolume reference_volume; /* The volume exported and taken as reference base for relative sink input volumes */ + pa_cvolume real_volume; /* The volume that the hardware is configured to */ + pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through */ + + bool muted:1; + + bool refresh_volume:1; + bool refresh_muted:1; + bool save_port:1; + bool save_volume:1; + bool save_muted:1; + + /* Saved volume state while we're in passthrough mode */ + pa_cvolume saved_volume; + bool saved_save_volume:1; + + pa_asyncmsgq *asyncmsgq; + + pa_memchunk silence; + + pa_hashmap *ports; + pa_device_port *active_port; + + /* The latency offset is inherited from the currently active port */ + int64_t port_latency_offset; + + unsigned priority; + + bool set_mute_in_progress; + + /* Callbacks for doing things when the sink state and/or suspend cause is + * changed. It's fine to set either or both of the callbacks to NULL if the + * implementation doesn't have anything to do on state or suspend cause + * changes. + * + * set_state_in_main_thread() is called first. The callback is allowed to + * report failure if and only if the sink changes its state from + * SUSPENDED to IDLE or RUNNING. (FIXME: It would make sense to allow + * failure also when changing state from INIT to IDLE or RUNNING, but + * currently that will crash pa_sink_put().) If + * set_state_in_main_thread() fails, set_state_in_io_thread() won't be + * called. + * + * If set_state_in_main_thread() is successful (or not set), then + * set_state_in_io_thread() is called. Again, failure is allowed if and + * only if the sink changes state from SUSPENDED to IDLE or RUNNING. If + * set_state_in_io_thread() fails, then set_state_in_main_thread() is + * called again, this time with the state parameter set to SUSPENDED and + * the suspend_cause parameter set to 0. + * + * pa_sink.state, pa_sink.thread_info.state and pa_sink.suspend_cause + * are updated only after all the callback calls. In case of failure, the + * state is set to SUSPENDED and the suspend cause is set to 0. */ + int (*set_state_in_main_thread)(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause); /* may be NULL */ + int (*set_state_in_io_thread)(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause); /* may be NULL */ + + /* Sink drivers that support hardware volume may set this + * callback. This is called when the current volume needs to be + * re-read from the hardware. + * + * There are two ways for drivers to implement hardware volume + * query: either set this callback or handle + * PA_SINK_MESSAGE_GET_VOLUME. The callback implementation or the + * message handler must update s->real_volume and s->soft_volume + * (using pa_sink_set_soft_volume()) to match the current hardware + * volume. + * + * If PA_SINK_DEFERRED_VOLUME is not set, then this is called from the + * main thread before sending PA_SINK_MESSAGE_GET_VOLUME, so in + * this case the driver can choose whether to read the volume from + * the hardware in the main thread or in the IO thread. + * + * If PA_SINK_DEFERRED_VOLUME is set, then this is called from the IO + * thread within the default handler for + * PA_SINK_MESSAGE_GET_VOLUME (the main thread is waiting while + * the message is being processed), so there's no choice of where + * to do the volume reading - it has to be done in the IO thread + * always. + * + * You must use the function pa_sink_set_get_volume_callback() to + * set this callback. */ + pa_sink_cb_t get_volume; /* may be NULL */ + + /* Sink drivers that support hardware volume must set this + * callback. This is called when the hardware volume needs to be + * updated. + * + * If PA_SINK_DEFERRED_VOLUME is not set, then this is called from the + * main thread. The callback implementation must set the hardware + * volume according to s->real_volume. If the driver can't set the + * hardware volume to the exact requested value, it has to update + * s->real_volume and/or s->soft_volume so that they together + * match the actual hardware volume that was set. + * + * If PA_SINK_DEFERRED_VOLUME is set, then this is called from the IO + * thread. The callback implementation must not actually set the + * hardware volume yet, but it must check how close to the + * requested volume the hardware volume can be set, and update + * s->real_volume and/or s->soft_volume so that they together + * match the actual hardware volume that will be set later in the + * write_volume callback. + * + * You must use the function pa_sink_set_set_volume_callback() to + * set this callback. */ + pa_sink_cb_t set_volume; /* may be NULL */ + + /* Sink drivers that set PA_SINK_DEFERRED_VOLUME must provide this + * callback. This callback is not used with sinks that do not set + * PA_SINK_DEFERRED_VOLUME. This is called from the IO thread when a + * pending hardware volume change has to be written to the + * hardware. The requested volume is passed to the callback + * implementation in s->thread_info.current_hw_volume. + * + * The call is done inside pa_sink_volume_change_apply(), which is + * not called automatically - it is the driver's responsibility to + * schedule that function to be called at the right times in the + * IO thread. + * + * You must use the function pa_sink_set_write_volume_callback() to + * set this callback. */ + pa_sink_cb_t write_volume; /* may be NULL */ + + /* If the sink mute can change "spontaneously" (i.e. initiated by the sink + * implementation, not by someone else calling pa_sink_set_mute()), then + * the sink implementation can notify about changed mute either by calling + * pa_sink_mute_changed() or by calling pa_sink_get_mute() with + * force_refresh=true. If the implementation chooses the latter approach, + * it should implement the get_mute callback. Otherwise get_mute can be + * NULL. + * + * This is called when pa_sink_get_mute() is called with + * force_refresh=true. This is called from the IO thread if the + * PA_SINK_DEFERRED_VOLUME flag is set, otherwise this is called from the + * main thread. On success, the implementation is expected to return 0 and + * set the mute parameter that is passed as a reference. On failure, the + * implementation is expected to return -1. + * + * You must use the function pa_sink_set_get_mute_callback() to + * set this callback. */ + pa_sink_get_mute_cb_t get_mute; + + /* Called when the mute setting shall be changed. A PA_SINK_MESSAGE_SET_MUTE + * message will also be sent. Called from IO thread if PA_SINK_DEFERRED_VOLUME + * flag is set otherwise from main loop context. + * + * You must use the function pa_sink_set_set_mute_callback() to + * set this callback. */ + pa_sink_cb_t set_mute; /* may be NULL */ + + /* Called when a rewind request is issued. Called from IO thread + * context. */ + pa_sink_cb_t request_rewind; /* may be NULL */ + + /* Called when a the requested latency is changed. Called from IO + * thread context. */ + pa_sink_cb_t update_requested_latency; /* may be NULL */ + + /* Called whenever the port shall be changed. Called from the main + * thread. */ + int (*set_port)(pa_sink *s, pa_device_port *port); /* may be NULL */ + + /* Called to get the list of formats supported by the sink, sorted + * in descending order of preference. */ + pa_idxset* (*get_formats)(pa_sink *s); /* may be NULL */ + + /* Called to set the list of formats supported by the sink. Can be + * NULL if the sink does not support this. Returns true on success, + * false otherwise (for example when an unsupportable format is + * set). Makes a copy of the formats passed in. */ + bool (*set_formats)(pa_sink *s, pa_idxset *formats); /* may be NULL */ + + /* Called whenever device parameters need to be changed. Called from + * main thread. */ + void (*reconfigure)(pa_sink *s, pa_sample_spec *spec, bool passthrough); + + /* Contains copies of the above data so that the real-time worker + * thread can work without access locking */ + struct { + pa_sink_state_t state; + pa_hashmap *inputs; + + pa_rtpoll *rtpoll; + + pa_cvolume soft_volume; + bool soft_muted:1; + + /* The requested latency is used for dynamic latency + * sinks. For fixed latency sinks it is always identical to + * the fixed_latency. See below. */ + bool requested_latency_valid:1; + pa_usec_t requested_latency; + + /* The number of bytes streams need to keep around as history to + * be able to satisfy every DMA buffer rewrite */ + size_t max_rewind; + + /* The number of bytes streams need to keep around to satisfy + * every DMA write request */ + size_t max_request; + + /* Maximum of what clients requested to rewind in this cycle */ + size_t rewind_nbytes; + bool rewind_requested; + + /* Both dynamic and fixed latencies will be clamped to this + * range. */ + pa_usec_t min_latency; /* we won't go below this latency */ + pa_usec_t max_latency; /* An upper limit for the latencies */ + + /* 'Fixed' simply means that the latency is exclusively + * decided on by the sink, and the clients have no influence + * in changing it */ + pa_usec_t fixed_latency; /* for sinks with PA_SINK_DYNAMIC_LATENCY this is 0 */ + + /* This latency offset is a direct copy from s->port_latency_offset */ + int64_t port_latency_offset; + + /* Delayed volume change events are queued here. The events + * are stored in expiration order. The one expiring next is in + * the head of the list. */ + PA_LLIST_HEAD(pa_sink_volume_change, volume_changes); + pa_sink_volume_change *volume_changes_tail; + /* This value is updated in pa_sink_volume_change_apply() and + * used only by sinks with PA_SINK_DEFERRED_VOLUME. */ + pa_cvolume current_hw_volume; + + /* The amount of usec volume up events are delayed and volume + * down events are made earlier. */ + uint32_t volume_change_safety_margin; + /* Usec delay added to all volume change events, may be negative. */ + int32_t volume_change_extra_delay; + } thread_info; + + void *userdata; +}; + +PA_DECLARE_PUBLIC_CLASS(pa_sink); +#define PA_SINK(s) (pa_sink_cast(s)) + +typedef enum pa_sink_message { + PA_SINK_MESSAGE_ADD_INPUT, + PA_SINK_MESSAGE_REMOVE_INPUT, + PA_SINK_MESSAGE_GET_VOLUME, + PA_SINK_MESSAGE_SET_SHARED_VOLUME, + PA_SINK_MESSAGE_SET_VOLUME_SYNCED, + PA_SINK_MESSAGE_SET_VOLUME, + PA_SINK_MESSAGE_SYNC_VOLUMES, + PA_SINK_MESSAGE_GET_MUTE, + PA_SINK_MESSAGE_SET_MUTE, + PA_SINK_MESSAGE_GET_LATENCY, + PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, + PA_SINK_MESSAGE_SET_STATE, + PA_SINK_MESSAGE_START_MOVE, + PA_SINK_MESSAGE_FINISH_MOVE, + PA_SINK_MESSAGE_SET_LATENCY_RANGE, + PA_SINK_MESSAGE_GET_LATENCY_RANGE, + PA_SINK_MESSAGE_SET_FIXED_LATENCY, + PA_SINK_MESSAGE_GET_FIXED_LATENCY, + PA_SINK_MESSAGE_GET_MAX_REWIND, + PA_SINK_MESSAGE_GET_MAX_REQUEST, + PA_SINK_MESSAGE_SET_MAX_REWIND, + PA_SINK_MESSAGE_SET_MAX_REQUEST, + PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, + PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET, + PA_SINK_MESSAGE_MAX +} pa_sink_message_t; + +typedef struct pa_sink_new_data { + pa_suspend_cause_t suspend_cause; + + char *name; + pa_proplist *proplist; + + const char *driver; + pa_module *module; + pa_card *card; + + pa_hashmap *ports; + char *active_port; + + pa_sample_spec sample_spec; + pa_channel_map channel_map; + uint32_t alternate_sample_rate; + bool avoid_resampling:1; + pa_cvolume volume; + bool muted:1; + + bool sample_spec_is_set:1; + bool channel_map_is_set:1; + bool alternate_sample_rate_is_set:1; + bool avoid_resampling_is_set:1; + bool volume_is_set:1; + bool muted_is_set:1; + + bool namereg_fail:1; + + bool save_port:1; + bool save_volume:1; + bool save_muted:1; +} pa_sink_new_data; + +pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data); +void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name); +void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec); +void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map); +void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate); +void pa_sink_new_data_set_avoid_resampling(pa_sink_new_data *data, bool avoid_resampling); +void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume); +void pa_sink_new_data_set_muted(pa_sink_new_data *data, bool mute); +void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port); +void pa_sink_new_data_done(pa_sink_new_data *data); + +/*** To be called exclusively by the sink driver, from main context */ + +pa_sink* pa_sink_new( + pa_core *core, + pa_sink_new_data *data, + pa_sink_flags_t flags); + +void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb); +void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb); +void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb); +void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_get_mute_cb_t cb); +void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb); +void pa_sink_enable_decibel_volume(pa_sink *s, bool enable); + +void pa_sink_put(pa_sink *s); +void pa_sink_unlink(pa_sink* s); + +void pa_sink_set_description(pa_sink *s, const char *description); +void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q); +void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p); + +void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind); +void pa_sink_set_max_request(pa_sink *s, size_t max_request); +void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency); +void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency); + +void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume); +void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_volume); +void pa_sink_mute_changed(pa_sink *s, bool new_muted); + +void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value); + +bool pa_device_init_description(pa_proplist *p, pa_card *card); +bool pa_device_init_icon(pa_proplist *p, bool is_sink); +bool pa_device_init_intended_roles(pa_proplist *p); +unsigned pa_device_init_priority(pa_proplist *p); + +/**** May be called by everyone, from main context */ + +void pa_sink_reconfigure(pa_sink *s, pa_sample_spec *spec, bool passthrough); +void pa_sink_set_port_latency_offset(pa_sink *s, int64_t offset); + +/* The returned value is supposed to be in the time domain of the sound card! */ +pa_usec_t pa_sink_get_latency(pa_sink *s); +pa_usec_t pa_sink_get_requested_latency(pa_sink *s); +void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency); +pa_usec_t pa_sink_get_fixed_latency(pa_sink *s); + +size_t pa_sink_get_max_rewind(pa_sink *s); +size_t pa_sink_get_max_request(pa_sink *s); + +int pa_sink_update_status(pa_sink*s); +int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause); +int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause); + +/* Use this instead of checking s->flags & PA_SINK_FLAT_VOLUME directly. */ +bool pa_sink_flat_volume_enabled(pa_sink *s); + +/* Get the master sink when sharing volumes */ +pa_sink *pa_sink_get_master(pa_sink *s); + +bool pa_sink_is_filter(pa_sink *s); + +/* Is the sink in passthrough mode? (that is, is there a passthrough sink input + * connected to this sink? */ +bool pa_sink_is_passthrough(pa_sink *s); +/* These should be called when a sink enters/leaves passthrough mode */ +void pa_sink_enter_passthrough(pa_sink *s); +void pa_sink_leave_passthrough(pa_sink *s); + +void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume, bool sendmsg, bool save); +const pa_cvolume *pa_sink_get_volume(pa_sink *sink, bool force_refresh); + +void pa_sink_set_mute(pa_sink *sink, bool mute, bool save); +bool pa_sink_get_mute(pa_sink *sink, bool force_refresh); + +bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p); + +int pa_sink_set_port(pa_sink *s, const char *name, bool save); + +unsigned pa_sink_linked_by(pa_sink *s); /* Number of connected streams */ +unsigned pa_sink_used_by(pa_sink *s); /* Number of connected streams which are not corked */ + +/* Returns how many streams are active that don't allow suspensions. If + * "ignore_input" or "ignore_output" is non-NULL, that stream is not included + * in the count (the returned count includes the value from + * pa_source_check_suspend(), which is called for the monitor source, so that's + * why "ignore_output" may be relevant). */ +unsigned pa_sink_check_suspend(pa_sink *s, pa_sink_input *ignore_input, pa_source_output *ignore_output); + +const char *pa_sink_state_to_string(pa_sink_state_t state); + +/* Moves all inputs away, and stores them in pa_queue */ +pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q); +void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save); +void pa_sink_move_all_fail(pa_queue *q); + +/* Returns a copy of the sink formats. TODO: Get rid of this function (or at + * least get rid of the copying). There's no good reason to copy the formats + * every time someone wants to know what formats the sink supports. The formats + * idxset could be stored directly in the pa_sink struct. + * https://bugs.freedesktop.org/show_bug.cgi?id=71924 */ +pa_idxset* pa_sink_get_formats(pa_sink *s); + +bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats); +bool pa_sink_check_format(pa_sink *s, pa_format_info *f); +pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats); + +void pa_sink_set_sample_format(pa_sink *s, pa_sample_format_t format); +void pa_sink_set_sample_rate(pa_sink *s, uint32_t rate); + +/*** To be called exclusively by the sink driver, from IO context */ + +void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result); +void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result); +void pa_sink_render_into(pa_sink*s, pa_memchunk *target); +void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target); + +void pa_sink_process_rewind(pa_sink *s, size_t nbytes); + +int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); + +void pa_sink_attach_within_thread(pa_sink *s); +void pa_sink_detach_within_thread(pa_sink *s); + +pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s); + +void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind); +void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request); + +void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency); +void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency); + +void pa_sink_update_volume_and_mute(pa_sink *s); + +bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next); + +size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play); + +/*** To be called exclusively by sink input drivers, from IO context */ + +void pa_sink_request_rewind(pa_sink*s, size_t nbytes); + +void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic); + +int64_t pa_sink_get_latency_within_thread(pa_sink *s, bool allow_negative); + +/* Called from the main thread, from sink-input.c only. The normal way to set + * the sink reference volume is to call pa_sink_set_volume(), but the flat + * volume logic in sink-input.c needs also a function that doesn't do all the + * extra stuff that pa_sink_set_volume() does. This function simply sets + * s->reference_volume and fires change notifications. */ +void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume); + +/* When the default_sink is changed or the active_port of a sink is changed to + * PA_AVAILABLE_NO, this function is called to move the streams of the old + * default_sink or the sink with active_port equals PA_AVAILABLE_NO to the + * current default_sink conditionally*/ +void pa_sink_move_streams_to_default_sink(pa_core *core, pa_sink *old_sink, bool default_sink_changed); + +/* Verify that we called in IO context (aka 'thread context), or that + * the sink is not yet set up, i.e. the thread not set up yet. See + * pa_assert_io_context() in thread-mq.h for more information. */ +#define pa_sink_assert_io_context(s) \ + pa_assert(pa_thread_mq_get() || !PA_SINK_IS_LINKED((s)->state)) + +#endif |