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pulse: introspect sink state
This commit is contained in:
Marc-André Lureau
parent
f83111dd17
commit
9c4f8e627a
6 changed files with 103 additions and 28 deletions
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@ -613,6 +613,35 @@ typedef enum pa_sink_flags {
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#define PA_SINK_DECIBEL_VOLUME PA_SINK_DECIBEL_VOLUME
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/** \endcond */
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/** Sink state. \since 0.9.15 */
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typedef enum pa_sink_state { /* enum serialized in u8 */
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PA_SINK_INVALID_STATE = -1,
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/**< This state is used when the server does not support sink state introspection \since 0.9.15 */
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PA_SINK_RUNNING = 0,
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/**< Running, sink is playing and used by at least one non-corked sink-input \since 0.9.15 */
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PA_SINK_IDLE = 1,
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/**< When idle, the sink is playing but there is no non-corked sink-input attached to it \since 0.9.15 */
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PA_SINK_SUSPENDED = 2
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/**< When suspended, actual sink access can be closed, for instance \since 0.9.15 */
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} pa_sink_state_t;
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/** Returns non-zero if sink is playing: running or idle. \since 0.9.15 */
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static inline int PA_SINK_IS_OPENED(pa_sink_state_t x) {
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return x == PA_SINK_RUNNING || x == PA_SINK_IDLE;
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}
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/** \cond fulldocs */
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#define PA_SINK_INVALID_STATE PA_SINK_INVALID_STATE
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#define PA_SINK_RUNNING PA_SINK_RUNNING
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#define PA_SINK_IDLE PA_SINK_IDLE
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#define PA_SINK_SUSPENDED PA_SINK_SUSPENDED
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#define PA_SINK_IS_OPENED PA_SINK_IS_OPENED
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/** \endcond */
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/** Special source flags. */
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typedef enum pa_source_flags {
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PA_SOURCE_HW_VOLUME_CTRL = 0x0001U,
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@ -626,7 +655,7 @@ typedef enum pa_source_flags {
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* "virtual"/software source \since 0.9.3 */
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PA_SOURCE_NETWORK = 0x0008U,
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/**< Is a networked sink of some kind. \since 0.9.7 */
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/**< Is a networked source of some kind. \since 0.9.7 */
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PA_SOURCE_HW_MUTE_CTRL = 0x0010U,
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/**< Supports hardware mute control \since 0.9.11 */
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@ -645,6 +674,35 @@ typedef enum pa_source_flags {
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#define PA_SOURCE_DECIBEL_VOLUME PA_SOURCE_DECIBEL_VOLUME
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/** \endcond */
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/** Source state. \since 0.9.15 */
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typedef enum pa_source_state {
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PA_SOURCE_INVALID_STATE = -1,
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/**< This state is used when the server does not support source state introspection \since 0.9.15 */
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PA_SOURCE_RUNNING = 0,
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/**< Running, source is recording and used by at least one non-corked source-output \since 0.9.15 */
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PA_SOURCE_IDLE = 1,
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/**< When idle, the source is still recording but there is no non-corked source-output \since 0.9.15 */
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PA_SOURCE_SUSPENDED = 2
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/**< When suspended, actual source access can be closed, for instance \since 0.9.15 */
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} pa_source_state_t;
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/** Returns non-zero if source is recording: running or idle. \since 0.9.15 */
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static inline int PA_SOURCE_IS_OPENED(pa_source_state_t x) {
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return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE;
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}
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/** \cond fulldocs */
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#define PA_SOURCE_INVALID_STATE PA_SOURCE_INVALID_STATE
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#define PA_SOURCE_RUNNING PA_SOURCE_RUNNING
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#define PA_SOURCE_IDLE PA_SOURCE_IDLE
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#define PA_SOURCE_SUSPENDED PA_SOURCE_SUSPENDED
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#define PA_SOURCE_IS_OPENED PA_SOURCE_IS_OPENED
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/** \endcond */
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/** A generic free() like callback prototype */
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typedef void (*pa_free_cb_t)(void *p);
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@ -146,15 +146,18 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
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eol = -1;
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} else {
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uint32_t flags;
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while (!pa_tagstruct_eof(t)) {
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pa_sink_info i;
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pa_bool_t mute = FALSE;
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pa_bool_t mute;
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uint32_t flags;
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uint32_t state;
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memset(&i, 0, sizeof(i));
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i.proplist = pa_proplist_new();
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i.base_volume = PA_VOLUME_NORM;
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mute = FALSE;
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state = PA_SINK_INVALID_STATE;
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if (pa_tagstruct_getu32(t, &i.index) < 0 ||
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pa_tagstruct_gets(t, &i.name) < 0 ||
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@ -173,7 +176,8 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
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(pa_tagstruct_get_proplist(t, i.proplist) < 0 ||
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pa_tagstruct_get_usec(t, &i.configured_latency) < 0)) ||
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(o->context->version >= 15 &&
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pa_tagstruct_get_volume(t, &i.base_volume) < 0)) {
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(pa_tagstruct_get_volume(t, &i.base_volume) < 0 ||
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pa_tagstruct_getu32(t, &state) < 0))) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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pa_proplist_free(i.proplist);
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@ -182,6 +186,7 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
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i.mute = (int) mute;
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i.flags = (pa_sink_flags_t) flags;
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i.state = (pa_sink_state_t) state;
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if (o->callback) {
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pa_sink_info_cb_t cb = (pa_sink_info_cb_t) o->callback;
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@ -273,12 +278,15 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
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while (!pa_tagstruct_eof(t)) {
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pa_source_info i;
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pa_bool_t mute;
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uint32_t flags;
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pa_bool_t mute = FALSE;
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uint32_t state;
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memset(&i, 0, sizeof(i));
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i.proplist = pa_proplist_new();
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i.base_volume = PA_VOLUME_NORM;
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mute = FALSE;
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state = PA_SOURCE_INVALID_STATE;
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if (pa_tagstruct_getu32(t, &i.index) < 0 ||
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pa_tagstruct_gets(t, &i.name) < 0 ||
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@ -297,7 +305,8 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
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(pa_tagstruct_get_proplist(t, i.proplist) < 0 ||
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pa_tagstruct_get_usec(t, &i.configured_latency) < 0)) ||
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(o->context->version >= 15 &&
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pa_tagstruct_get_volume(t, &i.base_volume) < 0)) {
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(pa_tagstruct_get_volume(t, &i.base_volume) < 0 ||
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pa_tagstruct_getu32(t, &state) < 0))) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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pa_proplist_free(i.proplist);
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@ -306,6 +315,7 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
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i.mute = (int) mute;
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i.flags = (pa_source_flags_t) flags;
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i.state = (pa_source_state_t) state;
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if (o->callback) {
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pa_source_info_cb_t cb = (pa_source_info_cb_t) o->callback;
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@ -212,6 +212,7 @@ typedef struct pa_sink_info {
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pa_proplist *proplist; /**< Property list \since 0.9.11 */
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pa_usec_t configured_latency; /**< The latency this device has been configured to. \since 0.9.11 */
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pa_volume_t base_volume; /**< Some kind of "base" volume that refers to unamplified/unattenuated volume in the context of the output device. \since 0.9.15 */
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pa_sink_state_t state; /**< State \since 0.9.15 */
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} pa_sink_info;
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/** Callback prototype for pa_context_get_sink_info_by_name() and friends */
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@ -268,6 +269,7 @@ typedef struct pa_source_info {
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pa_proplist *proplist; /**< Property list \since 0.9.11 */
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pa_usec_t configured_latency; /**< The latency this device has been configured to. \since 0.9.11 */
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pa_volume_t base_volume; /**< Some kind of "base" volume that refers to unamplified/unattenuated volume in the context of the input device. \since 0.9.15 */
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pa_source_state_t state; /**< State \since 0.9.15 */
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} pa_source_info;
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/** Callback prototype for pa_context_get_source_info_by_name() and friends */
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