diff options
Diffstat (limited to 'src/pulsecore')
| -rw-r--r-- | src/pulsecore/cli-text.c | 20 | ||||
| -rw-r--r-- | src/pulsecore/protocol-native.c | 10 | ||||
| -rw-r--r-- | src/pulsecore/sink-input.c | 128 | ||||
| -rw-r--r-- | src/pulsecore/sink-input.h | 28 | ||||
| -rw-r--r-- | src/pulsecore/sink.c | 286 | ||||
| -rw-r--r-- | src/pulsecore/sink.h | 42 | ||||
| -rw-r--r-- | src/pulsecore/source-output.c | 89 | ||||
| -rw-r--r-- | src/pulsecore/source-output.h | 27 | ||||
| -rw-r--r-- | src/pulsecore/source.c | 240 | ||||
| -rw-r--r-- | src/pulsecore/source.h | 53 |
10 files changed, 699 insertions, 224 deletions
diff --git a/src/pulsecore/cli-text.c b/src/pulsecore/cli-text.c index 02e670d9..c92fca20 100644 --- a/src/pulsecore/cli-text.c +++ b/src/pulsecore/cli-text.c @@ -116,6 +116,9 @@ char *pa_sink_list_to_string(pa_core *c) { for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) { char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t; + pa_usec_t min_latency, max_latency; + + pa_sink_get_latency_range(sink, &min_latency, &max_latency); pa_strbuf_printf( s, @@ -128,6 +131,8 @@ char *pa_sink_list_to_string(pa_core *c) { "\tmuted: %s\n" "\tcurrent latency: %0.2f ms\n" "\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n" + "\tmax request: %lu KiB\n" + "\tmax rewind: %lu KiB\n" "\tmonitor source: %u\n" "\tsample spec: %s\n" "\tchannel map: %s\n" @@ -147,7 +152,9 @@ char *pa_sink_list_to_string(pa_core *c) { pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink)), pa_yes_no(pa_sink_get_mute(sink)), (double) pa_sink_get_latency(sink) / PA_USEC_PER_MSEC, - (double) pa_sink_get_requested_latency(sink) / PA_USEC_PER_MSEC, (double) sink->min_latency / PA_USEC_PER_MSEC, (double) sink->max_latency / PA_USEC_PER_MSEC, + (double) pa_sink_get_requested_latency(sink) / PA_USEC_PER_MSEC, (double) min_latency / PA_USEC_PER_MSEC, (double) max_latency / PA_USEC_PER_MSEC, + (unsigned long) pa_sink_get_max_request(sink) / 1024, + (unsigned long) pa_sink_get_max_rewind(sink) / 1024, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX, pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map), @@ -184,6 +191,9 @@ char *pa_source_list_to_string(pa_core *c) { for (source = pa_idxset_first(c->sources, &idx); source; source = pa_idxset_next(c->sources, &idx)) { char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], *t; + pa_usec_t min_latency, max_latency; + + pa_source_get_latency_range(source, &min_latency, &max_latency); pa_strbuf_printf( s, @@ -196,6 +206,7 @@ char *pa_source_list_to_string(pa_core *c) { "\tmuted: %s\n" "\tcurrent latency: %0.2f ms\n" "\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n" + "\tmax rewind: %lu KiB\n" "\tsample spec: %s\n" "\tchannel map: %s\n" "\tused by: %u\n" @@ -214,7 +225,8 @@ char *pa_source_list_to_string(pa_core *c) { pa_cvolume_snprint(cv, sizeof(cv), pa_source_get_volume(source)), pa_yes_no(pa_source_get_mute(source)), (double) pa_source_get_latency(source) / PA_USEC_PER_MSEC, - (double) pa_source_get_requested_latency(source) / PA_USEC_PER_MSEC, (double) source->min_latency / PA_USEC_PER_MSEC, (double) source->max_latency / PA_USEC_PER_MSEC, + (double) pa_source_get_requested_latency(source) / PA_USEC_PER_MSEC, (double) min_latency / PA_USEC_PER_MSEC, (double) max_latency / PA_USEC_PER_MSEC, + (unsigned long) pa_source_get_max_rewind(source) / 1024, pa_sample_spec_snprint(ss, sizeof(ss), &source->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &source->channel_map), pa_source_used_by(source), @@ -285,7 +297,7 @@ char *pa_source_output_list_to_string(pa_core *c) { o->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS ? "FIX_CHANNELS " : "", state_table[pa_source_output_get_state(o)], o->source->index, o->source->name, - (double) pa_source_output_get_latency(o) / PA_USEC_PER_MSEC, + (double) pa_source_output_get_latency(o, NULL) / PA_USEC_PER_MSEC, clt, pa_sample_spec_snprint(ss, sizeof(ss), &o->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map), @@ -361,7 +373,7 @@ char *pa_sink_input_list_to_string(pa_core *c) { i->sink->index, i->sink->name, pa_cvolume_snprint(cv, sizeof(cv), pa_sink_input_get_volume(i)), pa_yes_no(pa_sink_input_get_mute(i)), - (double) pa_sink_input_get_latency(i) / PA_USEC_PER_MSEC, + (double) pa_sink_input_get_latency(i, NULL) / PA_USEC_PER_MSEC, clt, pa_sample_spec_snprint(ss, sizeof(ss), &i->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map), diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index e6e7c037..923a5665 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -2535,6 +2535,7 @@ static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) { static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_input *s) { pa_sample_spec fixed_ss; + pa_usec_t sink_latency; pa_assert(t); pa_sink_input_assert_ref(s); @@ -2549,8 +2550,8 @@ static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_in pa_tagstruct_put_sample_spec(t, &fixed_ss); pa_tagstruct_put_channel_map(t, &s->channel_map); pa_tagstruct_put_cvolume(t, &s->volume); - pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s)); - pa_tagstruct_put_usec(t, pa_sink_get_latency(s->sink)); + pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s, &sink_latency)); + pa_tagstruct_put_usec(t, sink_latency); pa_tagstruct_puts(t, pa_resample_method_to_string(pa_sink_input_get_resample_method(s))); pa_tagstruct_puts(t, s->driver); if (c->version >= 11) @@ -2561,6 +2562,7 @@ static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_in static void source_output_fill_tagstruct(connection *c, pa_tagstruct *t, pa_source_output *s) { pa_sample_spec fixed_ss; + pa_usec_t source_latency; pa_assert(t); pa_source_output_assert_ref(s); @@ -2574,8 +2576,8 @@ static void source_output_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sour pa_tagstruct_putu32(t, s->source->index); pa_tagstruct_put_sample_spec(t, &fixed_ss); pa_tagstruct_put_channel_map(t, &s->channel_map); - pa_tagstruct_put_usec(t, pa_source_output_get_latency(s)); - pa_tagstruct_put_usec(t, pa_source_get_latency(s->source)); + pa_tagstruct_put_usec(t, pa_source_output_get_latency(s, &source_latency)); + pa_tagstruct_put_usec(t, source_latency); pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s))); pa_tagstruct_puts(t, s->driver); diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c index 8257edf8..43e7bb21 100644 --- a/src/pulsecore/sink-input.c +++ b/src/pulsecore/sink-input.c @@ -42,7 +42,6 @@ #define MEMBLOCKQ_MAXLENGTH (32*1024*1024) #define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE) -#define MOVE_BUFFER_LENGTH (PA_PAGE_SIZE*256) static PA_DEFINE_CHECK_TYPE(pa_sink_input, pa_msgobject); @@ -92,12 +91,16 @@ void pa_sink_input_new_data_done(pa_sink_input_new_data *data) { pa_proplist_free(data->proplist); } +/* Called from main context */ static void reset_callbacks(pa_sink_input *i) { pa_assert(i); i->pop = NULL; i->process_rewind = NULL; i->update_max_rewind = NULL; + i->update_max_request = NULL; + i->update_sink_requested_latency = NULL; + i->update_sink_latency_range = NULL; i->attach = NULL; i->detach = NULL; i->suspend = NULL; @@ -107,6 +110,7 @@ static void reset_callbacks(pa_sink_input *i) { i->state_change = NULL; } +/* Called from main context */ pa_sink_input* pa_sink_input_new( pa_core *core, pa_sink_input_new_data *data, @@ -125,7 +129,7 @@ pa_sink_input* pa_sink_input_new( pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); if (!data->sink) - data->sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK, 1); + data->sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK, TRUE); pa_return_null_if_fail(data->sink); pa_return_null_if_fail(pa_sink_get_state(data->sink) != PA_SINK_UNLINKED); @@ -218,8 +222,6 @@ pa_sink_input* pa_sink_input_new( i->sink = data->sink; i->client = data->client; - i->direct_outputs = pa_idxset_new(NULL, NULL); - i->resample_method = data->resample_method; i->sample_spec = data->sample_spec; i->channel_map = data->channel_map; @@ -237,6 +239,8 @@ pa_sink_input* pa_sink_input_new( } else i->sync_next = i->sync_prev = NULL; + i->direct_outputs = pa_idxset_new(NULL, NULL); + reset_callbacks(i); i->userdata = NULL; @@ -279,6 +283,7 @@ pa_sink_input* pa_sink_input_new( return i; } +/* Called from main context */ static void update_n_corked(pa_sink_input *i, pa_sink_input_state_t state) { pa_assert(i); @@ -290,6 +295,7 @@ static void update_n_corked(pa_sink_input *i, pa_sink_input_state_t state) { pa_sink_update_status(i->sink); } +/* Called from main context */ static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) { pa_sink_input *ssync; pa_assert(i); @@ -300,8 +306,7 @@ static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) { if (i->state == state) return 0; - if (pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0); update_n_corked(i, state); i->state = state; @@ -315,12 +320,20 @@ static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) { ssync->state = state; } - if (state != PA_SINK_INPUT_UNLINKED) + if (state != PA_SINK_INPUT_UNLINKED) { pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], i); + for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev) + pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync); + + for (ssync = i->sync_next; ssync; ssync = ssync->sync_next) + pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync); + } + return 0; } +/* Called from main context */ void pa_sink_input_unlink(pa_sink_input *i) { pa_bool_t linked; pa_source_output *o, *p = NULL; @@ -358,7 +371,7 @@ void pa_sink_input_unlink(pa_sink_input *i) { if (linked) if (i->sink->asyncmsgq) - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL) == 0); reset_callbacks(i); @@ -371,6 +384,7 @@ void pa_sink_input_unlink(pa_sink_input *i) { pa_sink_input_unref(i); } +/* Called from main context */ static void sink_input_free(pa_object *o) { pa_sink_input* i = PA_SINK_INPUT(o); @@ -403,13 +417,17 @@ static void sink_input_free(pa_object *o) { pa_xfree(i); } +/* Called from main context */ void pa_sink_input_put(pa_sink_input *i) { pa_sink_input_state_t state; pa_sink_input_assert_ref(i); pa_assert(i->state == PA_SINK_INPUT_INIT); + + /* The following fields must be initialized properly */ pa_assert(i->pop); pa_assert(i->process_rewind); + pa_assert(i->kill); i->thread_info.volume = i->volume; i->thread_info.muted = i->muted; @@ -419,33 +437,36 @@ void pa_sink_input_put(pa_sink_input *i) { update_n_corked(i, state); i->state = state; - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL) == 0); pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, i->index); pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], i); } +/* Called from main context */ void pa_sink_input_kill(pa_sink_input*i) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); - if (i->kill) - i->kill(i); + i->kill(i); } -pa_usec_t pa_sink_input_get_latency(pa_sink_input *i) { - pa_usec_t r = 0; +/* Called from main context */ +pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency) { + pa_usec_t r[2] = { 0, 0 }; pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); - if (pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_LATENCY, &r, 0, NULL) < 0) - r = 0; + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0); if (i->get_latency) - r += i->get_latency(i); + r[0] += i->get_latency(i); + + if (sink_latency) + *sink_latency = r[1]; - return r; + return r[0]; } /* Called from thread context */ @@ -698,42 +719,54 @@ void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the i->update_max_rewind(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes); } +/* Called from thread context */ +void pa_sink_input_update_max_request(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */) { + pa_sink_input_assert_ref(i); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec)); + + if (i->update_max_request) + i->update_max_request(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes); +} + +/* Called from thread context */ static pa_usec_t fixup_latency(pa_sink *s, pa_usec_t usec) { pa_sink_assert_ref(s); if (usec == (pa_usec_t) -1) return usec; - if (s->max_latency > 0 && usec > s->max_latency) - usec = s->max_latency; + if (s->thread_info.max_latency > 0 && usec > s->thread_info.max_latency) + usec = s->thread_info.max_latency; - if (s->min_latency > 0 && usec < s->min_latency) - usec = s->min_latency; + if (s->thread_info.min_latency > 0 && usec < s->thread_info.min_latency) + usec = s->thread_info.min_latency; return usec; } +/* Called from thread context */ pa_usec_t pa_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec) { pa_sink_input_assert_ref(i); usec = fixup_latency(i->sink, usec); - i->thread_info.requested_sink_latency = usec; pa_sink_invalidate_requested_latency(i->sink); return usec; } +/* Called from main context */ pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec) { pa_sink_input_assert_ref(i); - usec = fixup_latency(i->sink, usec); - if (PA_SINK_INPUT_IS_LINKED(i->state)) - pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, NULL, (int64_t) usec, NULL, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); else { /* If this sink input is not realized yet, we have to touch * the thread info data directly */ + + usec = fixup_latency(i->sink, usec); i->thread_info.requested_sink_latency = usec; i->sink->thread_info.requested_latency_valid = FALSE; } @@ -741,13 +774,14 @@ pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec) return usec; } +/* Called from main context */ pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) { pa_usec_t usec = 0; pa_sink_input_assert_ref(i); if (PA_SINK_INPUT_IS_LINKED(i->state)) - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); else /* If this sink input is not realized yet, we have to touch * the thread info data directly */ @@ -756,19 +790,22 @@ pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) { return usec; } +/* Called from main context */ void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); + pa_assert(volume); if (pa_cvolume_equal(&i->volume, volume)) return; i->volume = *volume; - pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_VOLUME, &i->volume, 0, NULL) == 0); pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index); } +/* Called from main context */ const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); @@ -776,6 +813,7 @@ const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i) { return &i->volume; } +/* Called from main context */ void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute) { pa_assert(i); pa_sink_input_assert_ref(i); @@ -790,13 +828,15 @@ void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute) { pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index); } -int pa_sink_input_get_mute(pa_sink_input *i) { +/* Called from main context */ +pa_bool_t pa_sink_input_get_mute(pa_sink_input *i) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); - return !!i->muted; + return i->muted; } +/* Called from main context */ void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); @@ -804,6 +844,7 @@ void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b) { sink_input_set_state(i, b ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING); } +/* Called from main context */ int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) { pa_sink_input_assert_ref(i); pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); @@ -820,6 +861,7 @@ int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) { return 0; } +/* Called from main context */ void pa_sink_input_set_name(pa_sink_input *i, const char *name) { const char *old; pa_sink_input_assert_ref(i); @@ -843,12 +885,14 @@ void pa_sink_input_set_name(pa_sink_input *i, const char *name) { } } +/* Called from main context */ pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i) { pa_sink_input_assert_ref(i); return i->resample_method; } +/* Called from main context */ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) { pa_resampler *new_resampler; pa_sink *origin; @@ -915,7 +959,7 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) { hook_data.destination = dest; pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE], &hook_data); - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL) == 0); pa_idxset_remove_by_data(origin->inputs, i, NULL); pa_idxset_put(dest->inputs, i, NULL); @@ -949,7 +993,7 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) { pa_sink_update_status(origin); pa_sink_update_status(dest); - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0); if (i->moved) i->moved(i); @@ -964,6 +1008,7 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) { return 0; } +/* Called from IO thread context */ void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state) { pa_sink_input_assert_ref(i); @@ -993,14 +1038,13 @@ void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state i->thread_info.state = state; } -/* Called from thread context */ +/* Called from thread context, except when it is not. */ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_sink_input *i = PA_SINK_INPUT(o); - pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); switch (code) { + case PA_SINK_INPUT_MESSAGE_SET_VOLUME: i->thread_info.volume = *((pa_cvolume*) userdata); pa_sink_input_request_rewind(i, 0, TRUE, FALSE); @@ -1013,8 +1057,13 @@ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; + pa_usec_t sink_usec = 0; + + r[0] += pa_bytes_to_usec(pa_memblockq_get_length(i->thread_info.render_memblockq), &i->sink->sample_spec); + + if (i->sink->parent.process_msg(PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_GET_LATENCY, &sink_usec, 0, NULL) >= 0) + r[1] += sink_usec; - *r += pa_bytes_to_usec(pa_memblockq_get_length(i->thread_info.render_memblockq), &i->sink->sample_spec); return 0; } @@ -1039,10 +1088,12 @@ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t return 0; } - case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY: + case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY: { + pa_usec_t *usec = userdata; - pa_sink_input_set_requested_latency_within_thread(i, (pa_usec_t) offset); + *usec = pa_sink_input_set_requested_latency_within_thread(i, *usec); return 0; + } case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: { pa_usec_t *r = userdata; @@ -1055,6 +1106,7 @@ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t return -1; } +/* Called from main thread */ pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i) { pa_sink_input_assert_ref(i); @@ -1074,6 +1126,7 @@ pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i) { return TRUE; } +/* Called from IO context */ void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes /* in our sample spec */, pa_bool_t rewrite, pa_bool_t flush) { size_t lbq; @@ -1133,6 +1186,7 @@ void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes /* in our sam pa_sink_request_rewind(i->sink, nbytes - lbq); } +/* Called from main context */ pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret) { pa_sink_input_assert_ref(i); pa_assert(ret); diff --git a/src/pulsecore/sink-input.h b/src/pulsecore/sink-input.h index 2bb7a75d..c07a7404 100644 --- a/src/pulsecore/sink-input.h +++ b/src/pulsecore/sink-input.h @@ -71,8 +71,9 @@ struct pa_sink_input { pa_sink_input_state_t state; pa_sink_input_flags_t flags; - pa_proplist *proplist; char *driver; /* may be NULL */ + pa_proplist *proplist; + pa_module *module; /* may be NULL */ pa_client *client; /* may be NULL */ @@ -112,6 +113,18 @@ struct pa_sink_input { * changes. Called from IO context. */ void (*update_max_rewind) (pa_sink_input *i, size_t nbytes); /* may be NULL */ + /* Called whenever the maxiumum request size of the sink + * changes. Called from IO context. */ + void (*update_max_request) (pa_sink_input *i, size_t nbytes); /* may be NULL */ + + /* Called whenever the configured latency of the sink + * changes. Called from IO context. */ + void (*update_sink_requested_latency) (pa_sink_input *i); /* may be NULL */ + + /* Called whenver the latency range of the sink changes. Called + * from IO context. */ + void (*update_sink_latency_range) (pa_sink_input *i); /* may be NULL */ + /* If non-NULL this function is called when the input is first * connected to a sink or when the rtpoll/asyncmsgq fields * change. You usually don't need to implement this function @@ -133,12 +146,12 @@ struct pa_sink_input { /* Supposed to unlink and destroy this stream. Called from main * context. */ - void (*kill) (pa_sink_input *i); /* may be NULL */ + void (*kill) (pa_sink_input *i); /* may NOT be NULL */ /* Return the current latency (i.e. length of bufferd audio) of - this stream. Called from main context. If NULL a - PA_SINK_INPUT_MESSAGE_GET_LATENCY message is sent to the IO thread - instead. */ + this stream. Called from main context. This is added to what the + PA_SINK_INPUT_MESSAGE_GET_LATENCY message sent to the IO thread + returns */ pa_usec_t (*get_latency) (pa_sink_input *i); /* may be NULL */ /* If non_NULL this function is called from thread context if the @@ -258,12 +271,12 @@ int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate); /* External code may request disconnection with this function */ void pa_sink_input_kill(pa_sink_input*i); -pa_usec_t pa_sink_input_get_latency(pa_sink_input *i); +pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency); void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume); const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i); void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute); -int pa_sink_input_get_mute(pa_sink_input *i); +pa_bool_t pa_sink_input_get_mute(pa_sink_input *i); pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i); @@ -279,6 +292,7 @@ int pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_c void pa_sink_input_drop(pa_sink_input *i, size_t length); void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */); void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */); +void pa_sink_input_update_max_request(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */); void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state); 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; } diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h index 4405896b..b73944e8 100644 --- a/src/pulsecore/sink.h +++ b/src/pulsecore/sink.h @@ -80,17 +80,15 @@ struct pa_sink { pa_cvolume volume; pa_bool_t muted; - pa_bool_t refresh_volume; - pa_bool_t refresh_mute; + + pa_bool_t refresh_volume:1; + pa_bool_t refresh_muted:1; pa_asyncmsgq *asyncmsgq; pa_rtpoll *rtpoll; pa_memchunk silence; - pa_usec_t min_latency; /* we won't go below this latency */ - pa_usec_t max_latency; /* An upper limit for the latencies */ - /* Called when the main loop requests a state change. Called from * main loop context. If returns -1 the state change will be * inhibited */ @@ -98,8 +96,9 @@ struct pa_sink { /* Callled when the volume is queried. Called from main loop * context. If this is NULL a PA_SINK_MESSAGE_GET_VOLUME message - * will be sent to the IO thread instead. */ - int (*get_volume)(pa_sink *s); /* may be null */ + * will be sent to the IO thread instead. If refresh_volume is + * FALSE neither this function is called nor a message is sent. */ + int (*get_volume)(pa_sink *s); /* may be NULL */ /* Called when the volume shall be changed. Called from main loop * context. If this is NULL a PA_SINK_MESSAGE_SET_VOLUME message @@ -108,7 +107,8 @@ struct pa_sink { /* Called when the mute setting is queried. Called from main loop * context. If this is NULL a PA_SINK_MESSAGE_GET_MUTE message - * will be sent to the IO thread instead. */ + * will be sent to the IO thread instead. If refresh_mute is + * FALSE neither this function is called nor a message is sent.*/ int (*get_mute)(pa_sink *s); /* dito */ /* Called when the mute setting shall be changed. Called from main @@ -130,17 +130,24 @@ struct pa_sink { pa_sink_state_t state; pa_hashmap *inputs; pa_cvolume soft_volume; - pa_bool_t soft_muted; + pa_bool_t soft_muted:1; - pa_bool_t requested_latency_valid; + pa_bool_t requested_latency_valid:1; pa_usec_t requested_latency; - /* The number of bytes we need keep around to be able to satisfy - * every DMA buffer rewrite */ + /* 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; + + pa_usec_t min_latency; /* we won't go below this latency */ + pa_usec_t max_latency; /* An upper limit for the latencies */ } thread_info; void *userdata; @@ -163,6 +170,10 @@ typedef enum pa_sink_message { PA_SINK_MESSAGE_FINISH_MOVE, PA_SINK_MESSAGE_ATTACH, PA_SINK_MESSAGE_DETACH, + PA_SINK_MESSAGE_SET_LATENCY_RANGE, + PA_SINK_MESSAGE_GET_LATENCY_RANGE, + PA_SINK_MESSAGE_GET_MAX_REWIND, + PA_SINK_MESSAGE_GET_MAX_REQUEST, PA_SINK_MESSAGE_MAX } pa_sink_message_t; @@ -217,6 +228,10 @@ void pa_sink_attach(pa_sink *s); /* 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); + +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, pa_bool_t suspend); @@ -248,6 +263,9 @@ 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(pa_sink *s, size_t max_rewind); +void pa_sink_set_max_request(pa_sink *s, size_t max_request); + +void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency); /* To be called exclusively by sink input drivers, from IO context */ diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c index dbb362fc..3d1abe30 100644 --- a/src/pulsecore/source-output.c +++ b/src/pulsecore/source-output.c @@ -74,12 +74,15 @@ void pa_source_output_new_data_done(pa_source_output_new_data *data) { pa_proplist_free(data->proplist); } +/* Called from main context */ static void reset_callbacks(pa_source_output *o) { pa_assert(o); o->push = NULL; o->process_rewind = NULL; o->update_max_rewind = NULL; + o->update_source_requested_latency = NULL; + o->update_source_latency_range = NULL; o->attach = NULL; o->detach = NULL; o->suspend = NULL; @@ -89,6 +92,7 @@ static void reset_callbacks(pa_source_output *o) { o->state_change = NULL; } +/* Called from main context */ pa_source_output* pa_source_output_new( pa_core *core, pa_source_output_new_data *data, @@ -107,7 +111,7 @@ pa_source_output* pa_source_output_new( pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); if (!data->source) - data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, 1); + data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, TRUE); pa_return_null_if_fail(data->source); pa_return_null_if_fail(pa_source_get_state(data->source) != PA_SOURCE_UNLINKED); @@ -232,6 +236,7 @@ pa_source_output* pa_source_output_new( return o; } +/* Called from main context */ static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) { pa_assert(o); @@ -243,14 +248,14 @@ static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) pa_source_update_status(o->source); } +/* Called from main context */ static int source_output_set_state(pa_source_output *o, pa_source_output_state_t state) { pa_assert(o); if (o->state == state) return 0; - if (pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0); update_n_corked(o, state); o->state = state; @@ -261,6 +266,7 @@ static int source_output_set_state(pa_source_output *o, pa_source_output_state_t return 0; } +/* Called from main context */ void pa_source_output_unlink(pa_source_output*o) { pa_bool_t linked; pa_assert(o); @@ -286,7 +292,7 @@ void pa_source_output_unlink(pa_source_output*o) { if (linked) if (o->source->asyncmsgq) - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0); reset_callbacks(o); @@ -299,6 +305,7 @@ void pa_source_output_unlink(pa_source_output*o) { pa_source_output_unref(o); } +/* Called from main context */ static void source_output_free(pa_object* mo) { pa_source_output *o = PA_SOURCE_OUTPUT(mo); @@ -325,45 +332,52 @@ static void source_output_free(pa_object* mo) { pa_xfree(o); } +/* Called from main context */ void pa_source_output_put(pa_source_output *o) { pa_source_output_state_t state; pa_source_output_assert_ref(o); pa_assert(o->state == PA_SOURCE_OUTPUT_INIT); + + /* The following fields must be initialized properly */ pa_assert(o->push); + pa_assert(o->kill); state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING; update_n_corked(o, state); o->state = state; - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0); pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index); pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o); } +/* Called from main context */ void pa_source_output_kill(pa_source_output*o) { pa_source_output_assert_ref(o); pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); - if (o->kill) - o->kill(o); + o->kill(o); } -pa_usec_t pa_source_output_get_latency(pa_source_output *o) { - pa_usec_t r = 0; +/* Called from main context */ +pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency) { + pa_usec_t r[2] = { 0, 0 }; pa_source_output_assert_ref(o); pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); - if (pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, &r, 0, NULL) < 0) - r = 0; + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0); if (o->get_latency) - r += o->get_latency(o); + r[0] += o->get_latency(o); - return r; + if (source_latency) + *source_latency = r[1]; + + return r[0]; } /* Called from thread context */ @@ -464,42 +478,44 @@ void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes /* i o->update_max_rewind(o, o->thread_info.resampler ? pa_resampler_result(o->thread_info.resampler, nbytes) : nbytes); } +/* Called from thread context */ static pa_usec_t fixup_latency(pa_source *s, pa_usec_t usec) { pa_source_assert_ref(s); if (usec == (pa_usec_t) -1) return usec; - if (s->max_latency > 0 && usec > s->max_latency) - usec = s->max_latency; + if (s->thread_info.max_latency > 0 && usec > s->thread_info.max_latency) + usec = s->thread_info.max_latency; - if (s->min_latency > 0 && usec < s->min_latency) - usec = s->min_latency; + if (s->thread_info.min_latency > 0 && usec < s->thread_info.min_latency) + usec = s->thread_info.min_latency; return usec; } +/* Called from thread context */ pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec) { pa_source_output_assert_ref(o); usec = fixup_latency(o->source, usec); - o->thread_info.requested_source_latency = usec; pa_source_invalidate_requested_latency(o->source); return usec; } +/* Called from main context */ pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) { pa_source_output_assert_ref(o); - usec = fixup_latency(o->source, usec); - if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) - pa_asyncmsgq_post(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, NULL, (int64_t) usec, NULL, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); else { /* If this sink input is not realized yet, we have to touch * the thread info data directly */ + + usec = fixup_latency(o->source, usec); o->thread_info.requested_source_latency = usec; o->source->thread_info.requested_latency_valid = FALSE; } @@ -507,13 +523,14 @@ pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t return usec; } +/* Called from main context */ pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) { pa_usec_t usec = 0; pa_source_output_assert_ref(o); if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); else /* If this sink input is not realized yet, we have to touch * the thread info data directly */ @@ -522,6 +539,7 @@ pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) { return usec; } +/* Called from main context */ void pa_source_output_cork(pa_source_output *o, pa_bool_t b) { pa_source_output_assert_ref(o); pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); @@ -529,6 +547,7 @@ void pa_source_output_cork(pa_source_output *o, pa_bool_t b) { source_output_set_state(o, b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING); } +/* Called from main context */ int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) { pa_source_output_assert_ref(o); pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); @@ -545,6 +564,7 @@ int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) { return 0; } +/* Called from main context */ void pa_source_output_set_name(pa_source_output *o, const char *name) { const char *old; pa_source_output_assert_ref(o); @@ -568,12 +588,14 @@ void pa_source_output_set_name(pa_source_output *o, const char *name) { } } +/* Called from main context */ pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) { pa_source_output_assert_ref(o); return o->resample_method; } +/* Called from main context */ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { pa_source *origin; pa_resampler *new_resampler; @@ -631,7 +653,7 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE], &hook_data); /* Okey, let's move it */ - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0); pa_idxset_remove_by_data(origin->outputs, o, NULL); pa_idxset_put(dest->outputs, o, NULL); @@ -664,7 +686,7 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { pa_source_update_status(origin); pa_source_update_status(dest); - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0); if (o->moved) o->moved(o); @@ -679,6 +701,7 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { return 0; } +/* Called from IO thread context */ void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state) { pa_source_output_assert_ref(o); @@ -691,19 +714,22 @@ void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_out o->thread_info.state = state; } -/* Called from thread context */ +/* Called from IO thread context, except when it is not */ int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk* chunk) { pa_source_output *o = PA_SOURCE_OUTPUT(mo); - pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); switch (code) { case PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; + pa_usec_t source_usec = 0; + + r[0] += pa_bytes_to_usec(pa_memblockq_get_length(o->thread_info.delay_memblockq), &o->source->sample_spec); + + if (o->source->parent.process_msg(PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_GET_LATENCY, &source_usec, 0, NULL) >= 0) + r[1] += source_usec; - *r += pa_bytes_to_usec(pa_memblockq_get_length(o->thread_info.delay_memblockq), &o->source->sample_spec); return 0; } @@ -718,10 +744,13 @@ int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int pa_source_output_set_state_within_thread(o, PA_PTR_TO_UINT(userdata)); return 0; - case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY: + case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY: { + pa_usec_t *usec = userdata; + + *usec = pa_source_output_set_requested_latency_within_thread(o, *usec); - pa_source_output_set_requested_latency_within_thread(o, (pa_usec_t) offset); return 0; + } case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: { pa_usec_t *r = userdata; diff --git a/src/pulsecore/source-output.h b/src/pulsecore/source-output.h index fe842ebc..61825b22 100644 --- a/src/pulsecore/source-output.h +++ b/src/pulsecore/source-output.h @@ -64,8 +64,9 @@ struct pa_source_output { pa_source_output_state_t state; pa_source_output_flags_t flags; - pa_proplist *proplist; char *driver; /* may be NULL */ + pa_proplist *proplist; + pa_module *module; /* may be NULL */ pa_client *client; /* may be NULL */ @@ -81,16 +82,24 @@ struct pa_source_output { /* Pushes a new memchunk into the output. Called from IO thread * context. */ - void (*push)(pa_source_output *o, const pa_memchunk *chunk); + void (*push)(pa_source_output *o, const pa_memchunk *chunk); /* may NOT be NULL */ /* Only relevant for monitor sources right now: called when the - * recorded stream is rewound. Called from IO context*/ - void (*process_rewind)(pa_source_output *o, size_t nbytes); + * recorded stream is rewound. Called from IO context */ + void (*process_rewind)(pa_source_output *o, size_t nbytes); /* may be NULL */ /* Called whenever the maximum rewindable size of the source * changes. Called from IO thread context. */ void (*update_max_rewind) (pa_source_output *o, size_t nbytes); /* may be NULL */ + /* Called whenever the configured latency of the source + * changes. Called from IO context. */ + void (*update_source_requested_latency) (pa_source_output *o); /* may be NULL */ + + /* Called whenver the latency range of the source changes. Called + * from IO context. */ + void (*update_source_latency_range) (pa_source_output *o); /* may be NULL */ + /* If non-NULL this function is called when the output is first * connected to a source. Called from IO thread context */ void (*attach) (pa_source_output *o); /* may be NULL */ @@ -109,12 +118,12 @@ struct pa_source_output { /* Supposed to unlink and destroy this stream. Called from main * context. */ - void (*kill)(pa_source_output* o); /* may be NULL */ + void (*kill)(pa_source_output* o); /* may NOT be NULL */ /* Return the current latency (i.e. length of bufferd audio) of - this stream. Called from main context. If NULL a - PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY message is sent to the IO - thread instead. */ + this stream. Called from main context. This is added to what the + PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY message sent to the IO thread + returns */ pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */ /* If non_NULL this function is called from thread context if the @@ -206,7 +215,7 @@ int pa_source_output_set_rate(pa_source_output *o, uint32_t rate); /* External code may request disconnection with this funcion */ void pa_source_output_kill(pa_source_output*o); -pa_usec_t pa_source_output_get_latency(pa_source_output *i); +pa_usec_t pa_source_output_get_latency(pa_source_output *i, pa_usec_t *source_latency); pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o); diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c index ebd38170..8256a988 100644 --- a/src/pulsecore/source.c +++ b/src/pulsecore/source.c @@ -97,6 +97,7 @@ void pa_source_new_data_done(pa_source_new_data *data) { pa_proplist_free(data->proplist); } +/* Called from main context */ static void reset_callbacks(pa_source *s) { pa_assert(s); @@ -108,6 +109,7 @@ static void reset_callbacks(pa_source *s) { s->update_requested_latency = NULL; } +/* Called from main context */ pa_source* pa_source_new( pa_core *core, pa_source_new_data *data, @@ -118,6 +120,8 @@ pa_source* pa_source_new( char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; pa_assert(core); + pa_assert(data); + pa_assert(data->name); s = pa_msgobject_new(pa_source); @@ -126,6 +130,8 @@ pa_source* pa_source_new( return NULL; } + pa_source_new_data_set_name(data, name); + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) { pa_xfree(s); pa_namereg_unregister(core, name); @@ -193,16 +199,15 @@ pa_source* pa_source_new( &s->sample_spec, 0); - s->min_latency = DEFAULT_MIN_LATENCY; - s->max_latency = s->min_latency; - s->thread_info.outputs = 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.max_rewind = 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->sources, s, &s->index) >= 0); @@ -215,6 +220,7 @@ pa_source* pa_source_new( return s; } +/* Called from main context */ static int source_set_state(pa_source *s, pa_source_state_t state) { int ret; pa_bool_t suspend_change; @@ -233,8 +239,7 @@ static int source_set_state(pa_source *s, pa_source_state_t state) { return -1; if (s->asyncmsgq) - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_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_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0); s->state = state; @@ -255,24 +260,32 @@ static int source_set_state(pa_source *s, pa_source_state_t state) { return 0; } +/* Called from main context */ void pa_source_put(pa_source *s) { pa_source_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.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_SOURCE_HW_VOLUME_CTRL)) + if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL)) { s->flags |= PA_SOURCE_DECIBEL_VOLUME; + s->thread_info.soft_volume = s->volume; + s->thread_info.soft_muted = s->muted; + } + pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0); pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index); pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PUT], s); } +/* Called from main context */ void pa_source_unlink(pa_source *s) { pa_bool_t linked; pa_source_output *o, *j = NULL; @@ -310,6 +323,7 @@ void pa_source_unlink(pa_source *s) { } } +/* Called from main context */ static void source_free(pa_object *o) { pa_source_output *so; pa_source *s = PA_SOURCE(o); @@ -341,18 +355,21 @@ static void source_free(pa_object *o) { pa_xfree(s); } +/* Called from main context */ void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) { pa_source_assert_ref(s); s->asyncmsgq = q; } +/* Called from main context */ void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) { pa_source_assert_ref(s); s->rtpoll = p; } +/* Called from main context */ int pa_source_update_status(pa_source*s) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); @@ -363,6 +380,7 @@ int pa_source_update_status(pa_source*s) { return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE); } +/* Called from main context */ int pa_source_suspend(pa_source *s, pa_bool_t suspend) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); @@ -373,6 +391,7 @@ int pa_source_suspend(pa_source *s, pa_bool_t suspend) { return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE); } +/* Called from IO thread context */ void pa_source_process_rewind(pa_source *s, size_t nbytes) { pa_source_output *o; void *state = NULL; @@ -391,6 +410,7 @@ void pa_source_process_rewind(pa_source *s, size_t nbytes) { } } +/* Called from IO thread context */ void pa_source_post(pa_source*s, const pa_memchunk *chunk) { pa_source_output *o; void *state = NULL; @@ -432,6 +452,7 @@ void pa_source_post(pa_source*s, const pa_memchunk *chunk) { } } +/* Called from IO thread context */ void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *chunk) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state)); @@ -460,6 +481,7 @@ void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk * pa_source_output_push(o, chunk); } +/* Called from main thread */ pa_usec_t pa_source_get_latency(pa_source *s) { pa_usec_t usec; @@ -469,14 +491,14 @@ pa_usec_t pa_source_get_latency(pa_source *s) { if (!PA_SOURCE_IS_OPENED(s->state)) return 0; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) - return 0; + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0); return usec; } +/* Called from main thread */ void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) { - int changed; + pa_bool_t changed; pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); @@ -489,34 +511,36 @@ void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) { s->set_volume = NULL; if (!s->set_volume) - pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree); + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, volume, 0, NULL); if (changed) pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } +/* Called from main thread */ const pa_cvolume *pa_source_get_volume(pa_source *s) { - pa_cvolume old_volume; - pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); - old_volume = s->volume; + if (s->refresh_volume) { + 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_SOURCE_MESSAGE_GET_VOLUME, &s->volume, 0, NULL); + if (!s->get_volume) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, &s->volume, 0, NULL); - if (!pa_cvolume_equal(&old_volume, &s->volume)) - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (!pa_cvolume_equal(&old_volume, &s->volume)) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + } return &s->volume; } +/* Called from main thread */ void pa_source_set_mute(pa_source *s, pa_bool_t mute) { - int changed; + pa_bool_t changed; pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); @@ -534,26 +558,29 @@ void pa_source_set_mute(pa_source *s, pa_bool_t mute) { pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } +/* Called from main thread */ pa_bool_t pa_source_get_mute(pa_source *s) { - pa_bool_t old_muted; pa_source_assert_ref(s); pa_assert(PA_SOURCE_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_muted) - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL); + if (!s->get_mute) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL); - if (old_muted != s->muted) - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (old_muted != s->muted) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + } return s->muted; } +/* Called from main thread */ void pa_source_set_description(pa_source *s, const char *description) { const char *old; pa_source_assert_ref(s); @@ -577,6 +604,7 @@ void pa_source_set_description(pa_source *s, const char *description) { } } +/* Called from main thread */ unsigned pa_source_linked_by(pa_source *s) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); @@ -584,6 +612,7 @@ unsigned pa_source_linked_by(pa_source *s) { return pa_idxset_size(s->outputs); } +/* Called from main thread */ unsigned pa_source_used_by(pa_source *s) { unsigned ret; @@ -596,12 +625,13 @@ unsigned pa_source_used_by(pa_source *s) { return ret - s->n_corked; } +/* Called from IO thread, except when it is not */ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_source *s = PA_SOURCE(object); pa_source_assert_ref(s); - pa_assert(s->thread_info.state != PA_SOURCE_UNLINKED); switch ((pa_source_message_t) code) { + case PA_SOURCE_MESSAGE_ADD_OUTPUT: { pa_source_output *o = PA_SOURCE_OUTPUT(userdata); @@ -676,9 +706,7 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ case PA_SOURCE_MESSAGE_DETACH: - /* We're detaching all our output streams so that the - * asyncmsgq and rtpoll fields can be changed without - * problems */ + /* Detach all streams */ pa_source_detach_within_thread(s); return 0; @@ -692,10 +720,45 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ pa_usec_t *usec = userdata; *usec = pa_source_get_requested_latency_within_thread(s); + + if (*usec == (pa_usec_t) -1) + *usec = s->thread_info.max_latency; + + return 0; + } + + case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE: { + pa_usec_t *r = userdata; + + pa_source_update_latency_range(s, r[0], r[1]); + + return 0; + } + + case PA_SOURCE_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_SOURCE_MESSAGE_GET_MAX_REWIND: + + *((size_t*) userdata) = s->thread_info.max_rewind; + return 0; + case PA_SOURCE_MESSAGE_GET_LATENCY: + + if (s->monitor_of) { + *((pa_usec_t*) userdata) = 0; + return 0; + } + + /* Implementors need to overwrite this implementation! */ + return -1; + case PA_SOURCE_MESSAGE_MAX: ; } @@ -703,6 +766,7 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ return -1; } +/* Called from main thread */ int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) { uint32_t idx; pa_source *source; @@ -716,20 +780,23 @@ int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) { return ret; } +/* Called from main thread */ void pa_source_detach(pa_source *s) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL) == 0); } +/* Called from main thread */ void pa_source_attach(pa_source *s) { pa_source_assert_ref(s); pa_assert(PA_SOURCE_IS_LINKED(s->state)); - pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL); + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL) == 0); } +/* Called from IO thread */ void pa_source_detach_within_thread(pa_source *s) { pa_source_output *o; void *state = NULL; @@ -742,6 +809,7 @@ void pa_source_detach_within_thread(pa_source *s) { o->detach(o); } +/* Called from IO thread */ void pa_source_attach_within_thread(pa_source *s) { pa_source_output *o; void *state = NULL; @@ -754,6 +822,7 @@ void pa_source_attach_within_thread(pa_source *s) { o->attach(o); } +/* Called from IO thread */ pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) { pa_usec_t result = (pa_usec_t) -1; pa_source_output *o; @@ -771,11 +840,11 @@ pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) { result = o->thread_info.requested_source_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; @@ -784,6 +853,7 @@ pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) { return result; } +/* Called from main thread */ pa_usec_t pa_source_get_requested_latency(pa_source *s) { pa_usec_t usec; @@ -793,15 +863,12 @@ pa_usec_t pa_source_get_requested_latency(pa_source *s) { if (!PA_SOURCE_IS_OPENED(s->state)) return 0; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_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_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); return usec; } +/* Called from IO thread */ void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) { pa_source_output *o; void *state = NULL; @@ -813,11 +880,15 @@ void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) { s->thread_info.max_rewind = max_rewind; - while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) - pa_source_output_update_max_rewind(o, s->thread_info.max_rewind); + if (PA_SOURCE_IS_LINKED(s->thread_info.state)) { + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + pa_source_output_update_max_rewind(o, s->thread_info.max_rewind); + } } void pa_source_invalidate_requested_latency(pa_source *s) { + pa_source_output *o; + void *state = NULL; pa_source_assert_ref(s); @@ -826,6 +897,9 @@ void pa_source_invalidate_requested_latency(pa_source *s) { if (s->update_requested_latency) s->update_requested_latency(s); + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + o->update_source_requested_latency(o); + if (s->monitor_of) pa_sink_invalidate_requested_latency(s->monitor_of); } @@ -833,6 +907,12 @@ void pa_source_invalidate_requested_latency(pa_source *s) { void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) { pa_source_assert_ref(s); + /* min_latency == 0: no limit + * min_latency == (size_t) -1: default limit + * min_latency anything else: specified limit + * + * Similar for max_latency */ + if (min_latency == (pa_usec_t) -1) min_latency = DEFAULT_MIN_LATENCY; @@ -842,6 +922,64 @@ void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t 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_SOURCE_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0); + } else { + s->thread_info.min_latency = min_latency; + s->thread_info.max_latency = max_latency; + + s->thread_info.requested_latency_valid = FALSE; + } +} + +void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency) { + pa_source_assert_ref(s); + pa_assert(min_latency); + pa_assert(max_latency); + + if (PA_SOURCE_IS_LINKED(s->state)) { + pa_usec_t r[2] = { 0, 0 }; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_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_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) { + pa_source_output *o; + void *state = NULL; + + pa_source_assert_ref(s); + + s->thread_info.min_latency = min_latency; + s->thread_info.max_latency = max_latency; + + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + if (o->update_source_latency_range) + o->update_source_latency_range(o); + + pa_source_invalidate_requested_latency(s); +} + +size_t pa_source_get_max_rewind(pa_source *s) { + size_t r; + pa_source_assert_ref(s); + + if (!PA_SOURCE_IS_LINKED(s->state)) + return s->thread_info.max_rewind; + + pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0); + + return r; } diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h index 479222fd..f4a17e8d 100644 --- a/src/pulsecore/source.h +++ b/src/pulsecore/source.h @@ -83,22 +83,44 @@ struct pa_source { pa_cvolume volume; pa_bool_t muted; - pa_bool_t refresh_volume; - pa_bool_t refresh_muted; + + pa_bool_t refresh_volume:1; + pa_bool_t refresh_muted:1; pa_asyncmsgq *asyncmsgq; pa_rtpoll *rtpoll; pa_memchunk silence; - pa_usec_t min_latency; /* we won't go below this latency setting */ - pa_usec_t max_latency; /* An upper limit for the latencies */ - + /* Called when the main loop requests a state change. Called from + * main loop context. If returns -1 the state change will be + * inhibited */ int (*set_state)(pa_source*source, pa_source_state_t state); /* may be NULL */ - int (*set_volume)(pa_source *s); /* dito */ + + /* Callled when the volume is queried. Called from main loop + * context. If this is NULL a PA_SOURCE_MESSAGE_GET_VOLUME message + * will be sent to the IO thread instead. If refresh_volume is + * FALSE neither this function is called nor a message is sent. */ int (*get_volume)(pa_source *s); /* dito */ - int (*set_mute)(pa_source *s); /* dito */ + + /* Called when the volume shall be changed. Called from main loop + * context. If this is NULL a PA_SOURCE_MESSAGE_SET_VOLUME message + * will be sent to the IO thread instead. */ + int (*set_volume)(pa_source *s); /* dito */ + + /* Called when the mute setting is queried. Called from main loop + * context. If this is NULL a PA_SOURCE_MESSAGE_GET_MUTE message + * will be sent to the IO thread instead. If refresh_mute is + * FALSE neither this function is called nor a message is sent.*/ int (*get_mute)(pa_source *s); /* dito */ + + /* Called when the mute setting shall be changed. Called from main + * loop context. If this is NULL a PA_SOURCE_MESSAGE_SET_MUTE + * message will be sent to the IO thread instead. */ + int (*set_mute)(pa_source *s); /* dito */ + + /* Called when a the requested latency is changed. Called from IO + * thread context. */ void (*update_requested_latency)(pa_source *s); /* dito */ /* Contains copies of the above data so that the real-time worker @@ -107,14 +129,17 @@ struct pa_source { pa_source_state_t state; pa_hashmap *outputs; pa_cvolume soft_volume; - pa_bool_t soft_muted; + pa_bool_t soft_muted:1; - pa_bool_t requested_latency_valid; + pa_bool_t requested_latency_valid:1; pa_usec_t requested_latency; /* Then number of bytes this source will be rewound for at - * max */ + * max. (Only used on monitor sources) */ size_t max_rewind; + + pa_usec_t min_latency; /* we won't go below this latency */ + pa_usec_t max_latency; /* An upper limit for the latencies */ } thread_info; void *userdata; @@ -135,6 +160,9 @@ typedef enum pa_source_message { PA_SOURCE_MESSAGE_SET_STATE, PA_SOURCE_MESSAGE_ATTACH, PA_SOURCE_MESSAGE_DETACH, + PA_SOURCE_MESSAGE_SET_LATENCY_RANGE, + PA_SOURCE_MESSAGE_GET_LATENCY_RANGE, + PA_SOURCE_MESSAGE_GET_MAX_REWIND, PA_SOURCE_MESSAGE_MAX } pa_source_message_t; @@ -186,8 +214,12 @@ void pa_source_attach(pa_source *s); /* May be called by everyone, from main context */ +/* The returned value is supposed to be in the time domain of the sound card! */ pa_usec_t pa_source_get_latency(pa_source *s); pa_usec_t pa_source_get_requested_latency(pa_source *s); +void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency); + +size_t pa_source_get_max_rewind(pa_source *s); int pa_source_update_status(pa_source*s); int pa_source_suspend(pa_source *s, pa_bool_t suspend); @@ -216,6 +248,7 @@ void pa_source_detach_within_thread(pa_source *s); pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s); void pa_source_set_max_rewind(pa_source *s, size_t max_rewind); +void pa_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency); /* To be called exclusively by source output drivers, from IO context */ |