From add6c0361ada8c2aa632392efcec538a07af5bce Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 20 Jun 2008 22:32:41 +0200 Subject: Rework module-combine to work with glitch-free core; add new max_request field to pa_sink --- src/pulsecore/sink.c | 286 ++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 226 insertions(+), 60 deletions(-) (limited to 'src/pulsecore/sink.c') diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c index 7b6bb1b5..4d3b42c8 100644 --- a/src/pulsecore/sink.c +++ b/src/pulsecore/sink.c @@ -103,6 +103,7 @@ void pa_sink_new_data_done(pa_sink_new_data *data) { pa_proplist_free(data->proplist); } +/* Called from main context */ static void reset_callbacks(pa_sink *s) { pa_assert(s); @@ -115,6 +116,7 @@ static void reset_callbacks(pa_sink *s) { s->update_requested_latency = NULL; } +/* Called from main context */ pa_sink* pa_sink_new( pa_core *core, pa_sink_new_data *data, @@ -190,7 +192,7 @@ pa_sink* pa_sink_new( s->volume = data->volume; s->muted = data->muted; - s->refresh_volume = s->refresh_mute = FALSE; + s->refresh_volume = s->refresh_muted = FALSE; reset_callbacks(s); s->userdata = NULL; @@ -205,17 +207,17 @@ pa_sink* pa_sink_new( &s->sample_spec, 0); - s->min_latency = DEFAULT_MIN_LATENCY; - s->max_latency = s->min_latency; - s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); - s->thread_info.soft_volume = s->volume; - s->thread_info.soft_muted = s->muted; + pa_cvolume_reset(&s->thread_info.soft_volume, s->sample_spec.channels); + s->thread_info.soft_muted = FALSE; s->thread_info.state = s->state; s->thread_info.rewind_nbytes = 0; s->thread_info.max_rewind = 0; + s->thread_info.max_request = 0; s->thread_info.requested_latency_valid = FALSE; s->thread_info.requested_latency = 0; + s->thread_info.min_latency = DEFAULT_MIN_LATENCY; + s->thread_info.max_latency = 0; pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0); @@ -246,15 +248,15 @@ pa_sink* pa_sink_new( return NULL; } - s->monitor_source->min_latency = s->min_latency; - s->monitor_source->max_latency = s->max_latency; - s->monitor_source->monitor_of = s; + + pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency); pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind); return s; } +/* Called from main context */ static int sink_set_state(pa_sink *s, pa_sink_state_t state) { int ret; pa_bool_t suspend_change; @@ -273,8 +275,7 @@ static int sink_set_state(pa_sink *s, pa_sink_state_t state) { return -1; if (s->asyncmsgq) - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0); s->state = state; @@ -295,18 +296,26 @@ static int sink_set_state(pa_sink *s, pa_sink_state_t state) { return 0; } +/* Called from main context */ void pa_sink_put(pa_sink* s) { pa_sink_assert_ref(s); pa_assert(s->state == PA_SINK_INIT); + + /* The following fields must be initialized properly when calling _put() */ pa_assert(s->asyncmsgq); pa_assert(s->rtpoll); + pa_assert(s->thread_info.max_request > 0); + pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency || + s->thread_info.min_latency <= s->thread_info.max_latency); - pa_assert(!s->min_latency || !s->max_latency || s->min_latency <= s->max_latency); - - if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) + if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) { s->flags |= PA_SINK_DECIBEL_VOLUME; + s->thread_info.soft_volume = s->volume; + s->thread_info.soft_muted = s->muted; + } + pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0); pa_source_put(s->monitor_source); @@ -315,6 +324,7 @@ void pa_sink_put(pa_sink* s) { pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s); } +/* Called from main context */ void pa_sink_unlink(pa_sink* s) { pa_bool_t linked; pa_sink_input *i, *j = NULL; @@ -360,6 +370,7 @@ void pa_sink_unlink(pa_sink* s) { } } +/* Called from main context */ static void sink_free(pa_object *o) { pa_sink *s = PA_SINK(o); pa_sink_input *i; @@ -396,6 +407,7 @@ static void sink_free(pa_object *o) { pa_xfree(s); } +/* Called from main context */ void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) { pa_sink_assert_ref(s); @@ -405,6 +417,7 @@ void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) { pa_source_set_asyncmsgq(s->monitor_source, q); } +/* Called from main context */ void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) { pa_sink_assert_ref(s); @@ -413,6 +426,7 @@ void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) { pa_source_set_rtpoll(s->monitor_source, p); } +/* Called from main context */ int pa_sink_update_status(pa_sink*s) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); @@ -423,6 +437,7 @@ int pa_sink_update_status(pa_sink*s) { return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE); } +/* Called from main context */ int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); @@ -433,11 +448,12 @@ int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) { return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE); } +/* Called from IO thread context */ void pa_sink_process_rewind(pa_sink *s, size_t nbytes) { pa_sink_input *i; void *state = NULL; pa_sink_assert_ref(s); - pa_assert(PA_SINK_IS_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); /* Make sure the sink code already reset the counter! */ pa_assert(s->thread_info.rewind_nbytes <= 0); @@ -452,11 +468,11 @@ void pa_sink_process_rewind(pa_sink *s, size_t nbytes) { pa_sink_input_process_rewind(i, nbytes); } - if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) + if (s->monitor_source && PA_SOURCE_IS_OPENED(s->monitor_source->thread_info.state)) pa_source_process_rewind(s->monitor_source, nbytes); - } +/* Called from IO thread context */ static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) { pa_sink_input *i; unsigned n = 0; @@ -496,6 +512,7 @@ static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, uns return n; } +/* Called from IO thread context */ static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) { pa_sink_input *i; void *state = NULL; @@ -591,6 +608,7 @@ static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk * pa_source_post(s->monitor_source, result); } +/* Called from IO thread context */ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { pa_mix_info info[MAX_MIX_CHANNELS]; unsigned n; @@ -664,6 +682,7 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { pa_sink_unref(s); } +/* Called from IO thread context */ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { pa_mix_info info[MAX_MIX_CHANNELS]; unsigned n; @@ -742,6 +761,7 @@ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { pa_sink_unref(s); } +/* Called from IO thread context */ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { pa_memchunk chunk; size_t l, d; @@ -773,6 +793,7 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { pa_sink_unref(s); } +/* Called from IO thread context */ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_OPENED(s->thread_info.state)); @@ -791,6 +812,7 @@ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) { pa_sink_render_into_full(s, result); } +/* Called from main thread */ pa_usec_t pa_sink_get_latency(pa_sink *s) { pa_usec_t usec = 0; @@ -802,14 +824,14 @@ pa_usec_t pa_sink_get_latency(pa_sink *s) { if (!PA_SINK_IS_OPENED(s->state)) return 0; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) - return 0; + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0); return usec; } +/* Called from main thread */ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) { - int changed; + pa_bool_t changed; pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); @@ -822,34 +844,36 @@ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) { s->set_volume = NULL; if (!s->set_volume) - pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree); + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, volume, 0, NULL); if (changed) pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } +/* Called from main thread */ const pa_cvolume *pa_sink_get_volume(pa_sink *s) { - struct pa_cvolume old_volume; - pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); - old_volume = s->volume; + if (s->refresh_volume) { + struct pa_cvolume old_volume = s->volume; - if (s->get_volume && s->get_volume(s) < 0) - s->get_volume = NULL; + if (s->get_volume && s->get_volume(s) < 0) + s->get_volume = NULL; - if (!s->get_volume && s->refresh_volume) - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL); + if (!s->get_volume) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL); - if (!pa_cvolume_equal(&old_volume, &s->volume)) - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (!pa_cvolume_equal(&old_volume, &s->volume)) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + } return &s->volume; } +/* Called from main thread */ void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) { - int changed; + pa_bool_t changed; pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); @@ -867,26 +891,29 @@ void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) { pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } +/* Called from main thread */ pa_bool_t pa_sink_get_mute(pa_sink *s) { - pa_bool_t old_muted; pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); - old_muted = s->muted; + if (s->refresh_muted) { + pa_bool_t old_muted = s->muted; - if (s->get_mute && s->get_mute(s) < 0) - s->get_mute = NULL; + if (s->get_mute && s->get_mute(s) < 0) + s->get_mute = NULL; - if (!s->get_mute && s->refresh_mute) - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL); + if (!s->get_mute) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL); - if (old_muted != s->muted) - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (old_muted != s->muted) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + } return s->muted; } +/* Called from main thread */ void pa_sink_set_description(pa_sink *s, const char *description) { const char *old; pa_sink_assert_ref(s); @@ -918,6 +945,7 @@ void pa_sink_set_description(pa_sink *s, const char *description) { } } +/* Called from main thread */ unsigned pa_sink_linked_by(pa_sink *s) { unsigned ret; @@ -935,6 +963,7 @@ unsigned pa_sink_linked_by(pa_sink *s) { return ret; } +/* Called from main thread */ unsigned pa_sink_used_by(pa_sink *s) { unsigned ret; @@ -950,10 +979,10 @@ unsigned pa_sink_used_by(pa_sink *s) { return ret - s->n_corked; } +/* Called from IO thread, except when it is not */ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_sink *s = PA_SINK(o); pa_sink_assert_ref(s); - pa_assert(s->thread_info.state != PA_SINK_UNLINKED); switch ((pa_sink_message_t) code) { @@ -991,6 +1020,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse pa_sink_input_set_state_within_thread(i, i->state); pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + pa_sink_input_update_max_request(i, s->thread_info.max_request); pa_sink_invalidate_requested_latency(s); @@ -1106,6 +1136,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse i->attach(i); pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + pa_sink_input_update_max_request(i, s->thread_info.max_request); pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency); @@ -1156,9 +1187,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse case PA_SINK_MESSAGE_DETACH: - /* We're detaching all our input streams so that the - * asyncmsgq and rtpoll fields can be changed without - * problems */ + /* Detach all streams */ pa_sink_detach_within_thread(s); return 0; @@ -1172,9 +1201,40 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse pa_usec_t *usec = userdata; *usec = pa_sink_get_requested_latency_within_thread(s); + + if (*usec == (pa_usec_t) -1) + *usec = s->thread_info.max_latency; + + return 0; + } + + case PA_SINK_MESSAGE_SET_LATENCY_RANGE: { + pa_usec_t *r = userdata; + + pa_sink_update_latency_range(s, r[0], r[1]); + + return 0; + } + + case PA_SINK_MESSAGE_GET_LATENCY_RANGE: { + pa_usec_t *r = userdata; + + r[0] = s->thread_info.min_latency; + r[1] = s->thread_info.max_latency; + return 0; } + case PA_SINK_MESSAGE_GET_MAX_REWIND: + + *((size_t*) userdata) = s->thread_info.max_rewind; + return 0; + + case PA_SINK_MESSAGE_GET_MAX_REQUEST: + + *((size_t*) userdata) = s->thread_info.max_request; + return 0; + case PA_SINK_MESSAGE_GET_LATENCY: case PA_SINK_MESSAGE_MAX: ; @@ -1183,6 +1243,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse return -1; } +/* Called from main thread */ int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) { pa_sink *sink; uint32_t idx; @@ -1196,20 +1257,23 @@ int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) { return ret; } +/* Called from main thread */ void pa_sink_detach(pa_sink *s) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0); } +/* Called from main thread */ void pa_sink_attach(pa_sink *s) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->state)); - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0); } +/* Called from IO thread */ void pa_sink_detach_within_thread(pa_sink *s) { pa_sink_input *i; void *state = NULL; @@ -1225,6 +1289,7 @@ void pa_sink_detach_within_thread(pa_sink *s) { pa_source_detach_within_thread(s->monitor_source); } +/* Called from IO thread */ void pa_sink_attach_within_thread(pa_sink *s) { pa_sink_input *i; void *state = NULL; @@ -1240,6 +1305,7 @@ void pa_sink_attach_within_thread(pa_sink *s) { pa_source_attach_within_thread(s->monitor_source); } +/* Called from IO thread */ void pa_sink_request_rewind(pa_sink*s, size_t nbytes) { pa_sink_assert_ref(s); pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); @@ -1258,6 +1324,7 @@ void pa_sink_request_rewind(pa_sink*s, size_t nbytes) { s->request_rewind(s); } +/* Called from IO thread */ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) { pa_usec_t result = (pa_usec_t) -1; pa_sink_input *i; @@ -1282,11 +1349,11 @@ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) { result = monitor_latency; if (result != (pa_usec_t) -1) { - if (s->max_latency > 0 && result > s->max_latency) - result = s->max_latency; + if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency) + result = s->thread_info.max_latency; - if (s->min_latency > 0 && result < s->min_latency) - result = s->min_latency; + if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency) + result = s->thread_info.min_latency; } s->thread_info.requested_latency = result; @@ -1295,6 +1362,7 @@ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) { return result; } +/* Called from main thread */ pa_usec_t pa_sink_get_requested_latency(pa_sink *s) { pa_usec_t usec = 0; @@ -1304,15 +1372,11 @@ pa_usec_t pa_sink_get_requested_latency(pa_sink *s) { if (!PA_SINK_IS_OPENED(s->state)) return 0; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) < 0) - return 0; - - if (usec == (pa_usec_t) -1) - usec = s->max_latency; - + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); return usec; } +/* Called from IO thread */ void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) { pa_sink_input *i; void *state = NULL; @@ -1324,14 +1388,37 @@ void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) { s->thread_info.max_rewind = max_rewind; - while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) - pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + if (PA_SINK_IS_LINKED(s->thread_info.state)) { + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + } if (s->monitor_source) pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind); } +/* Called from IO thread */ +void pa_sink_set_max_request(pa_sink *s, size_t max_request) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + + if (max_request == s->thread_info.max_request) + return; + + s->thread_info.max_request = max_request; + + if (PA_SINK_IS_LINKED(s->thread_info.state)) { + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + pa_sink_input_update_max_request(i, s->thread_info.max_request); + } +} + +/* Called from IO thread */ void pa_sink_invalidate_requested_latency(pa_sink *s) { + pa_sink_input *i; + void *state = NULL; pa_sink_assert_ref(s); @@ -1339,8 +1426,13 @@ void pa_sink_invalidate_requested_latency(pa_sink *s) { if (s->update_requested_latency) s->update_requested_latency(s); + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + if (i->update_sink_requested_latency) + i->update_sink_requested_latency(i); } +/* Called from main thread */ void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) { pa_sink_assert_ref(s); @@ -1359,8 +1451,82 @@ void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_ pa_assert(!min_latency || !max_latency || min_latency <= max_latency); - s->min_latency = min_latency; - s->max_latency = max_latency; + if (PA_SINK_IS_LINKED(s->state)) { + pa_usec_t r[2]; + + r[0] = min_latency; + r[1] = max_latency; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0); + } else { + s->thread_info.min_latency = min_latency; + s->thread_info.max_latency = max_latency; + + s->monitor_source->thread_info.min_latency = min_latency; + s->monitor_source->thread_info.max_latency = max_latency; + + s->thread_info.requested_latency_valid = s->monitor_source->thread_info.requested_latency_valid = FALSE; + } +} + +/* Called from main thread */ +void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) { + pa_sink_assert_ref(s); + pa_assert(min_latency); + pa_assert(max_latency); + + if (PA_SINK_IS_LINKED(s->state)) { + pa_usec_t r[2] = { 0, 0 }; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0); + + *min_latency = r[0]; + *max_latency = r[1]; + } else { + *min_latency = s->thread_info.min_latency; + *max_latency = s->thread_info.max_latency; + } +} + +/* Called from IO thread */ +void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + + s->thread_info.min_latency = min_latency; + s->thread_info.max_latency = max_latency; + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + if (i->update_sink_latency_range) + i->update_sink_latency_range(i); + + pa_sink_invalidate_requested_latency(s); + + pa_source_update_latency_range(s->monitor_source, min_latency, max_latency); +} + +size_t pa_sink_get_max_rewind(pa_sink *s) { + size_t r; + pa_sink_assert_ref(s); + + if (!PA_SINK_IS_LINKED(s->state)) + return s->thread_info.max_rewind; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0); + + return r; +} + +size_t pa_sink_get_max_request(pa_sink *s) { + size_t r; + pa_sink_assert_ref(s); + + if (!PA_SINK_IS_LINKED(s->state)) + return s->thread_info.max_request; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0); - pa_source_set_latency_range(s->monitor_source, min_latency, max_latency); + return r; } -- cgit