X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/0defdfb5607889c35fdefff4af31eb8b0ae0cbcf..11cc072a1eef2c8b26e9e642b8bf64c63da8b8ec:/src/pulsecore/source-output.c diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c index c3ecf3a2..5df950a8 100644 --- a/src/pulsecore/source-output.c +++ b/src/pulsecore/source-output.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /*** This file is part of PulseAudio. @@ -32,12 +30,16 @@ #include #include +#include #include #include #include +#include #include "source-output.h" +#define MEMBLOCKQ_MAXLENGTH (32*1024*1024) + static PA_DEFINE_CHECK_TYPE(pa_source_output, pa_msgobject); static void source_output_free(pa_object* mo); @@ -47,9 +49,18 @@ pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_d memset(data, 0, sizeof(*data)); data->resample_method = PA_RESAMPLER_INVALID; + data->proplist = pa_proplist_new(); + return data; } +void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec) { + pa_assert(data); + + if ((data->sample_spec_is_set = !!spec)) + data->sample_spec = *spec; +} + void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map) { pa_assert(data); @@ -57,13 +68,31 @@ void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, data->channel_map = *map; } -void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec) { +void pa_source_output_new_data_done(pa_source_output_new_data *data) { pa_assert(data); - if ((data->sample_spec_is_set = !!spec)) - data->sample_spec = *spec; + 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; + o->moved = NULL; + o->kill = NULL; + o->get_latency = NULL; + o->state_change = NULL; } +/* Called from main context */ pa_source_output* pa_source_output_new( pa_core *core, pa_source_output_new_data *data, @@ -71,23 +100,23 @@ pa_source_output* pa_source_output_new( pa_source_output *o; pa_resampler *resampler = NULL; - char st[PA_SAMPLE_SPEC_SNPRINT_MAX]; + char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; pa_assert(core); pa_assert(data); - if (!(flags & PA_SOURCE_OUTPUT_NO_HOOKS)) - if (pa_hook_fire(&core->hook_source_output_new, data) < 0) - return NULL; + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data) < 0) + return NULL; pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); - pa_return_null_if_fail(!data->name || pa_utf8_valid(data->name)); 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_DISCONNECTED); + pa_return_null_if_fail(pa_source_get_state(data->source) != PA_SOURCE_UNLINKED); + + pa_return_null_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of); if (!data->sample_spec_is_set) data->sample_spec = data->source->sample_spec; @@ -98,17 +127,34 @@ pa_source_output* pa_source_output_new( if (data->source->channel_map.channels == data->sample_spec.channels) data->channel_map = data->source->channel_map; else - pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT); + pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT)); } pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map)); pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels); + if (flags & PA_SOURCE_OUTPUT_FIX_FORMAT) + data->sample_spec.format = data->source->sample_spec.format; + + if (flags & PA_SOURCE_OUTPUT_FIX_RATE) + data->sample_spec.rate = data->source->sample_spec.rate; + + if (flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) { + data->sample_spec.channels = data->source->sample_spec.channels; + data->channel_map = data->source->channel_map; + } + + pa_assert(pa_sample_spec_valid(&data->sample_spec)); + pa_assert(pa_channel_map_valid(&data->channel_map)); + if (data->resample_method == PA_RESAMPLER_INVALID) data->resample_method = core->resample_method; pa_return_null_if_fail(data->resample_method < PA_RESAMPLER_MAX); + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data) < 0) + return NULL; + if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) { pa_log("Failed to create source output: too many outputs per source."); return NULL; @@ -122,7 +168,10 @@ pa_source_output* pa_source_output_new( core->mempool, &data->source->sample_spec, &data->source->channel_map, &data->sample_spec, &data->channel_map, - data->resample_method))) { + data->resample_method, + ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) | + ((flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) | + (core->disable_remixing || (flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) { pa_log_warn("Unsupported resampling operation."); return NULL; } @@ -135,9 +184,9 @@ pa_source_output* pa_source_output_new( o->parent.process_msg = pa_source_output_process_msg; o->core = core; - o->state = data->corked ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING; + o->state = PA_SOURCE_OUTPUT_INIT; o->flags = flags; - o->name = pa_xstrdup(data->name); + o->proplist = pa_proplist_copy(data->proplist); o->driver = pa_xstrdup(data->driver); o->module = data->module; o->source = data->source; @@ -147,145 +196,358 @@ pa_source_output* pa_source_output_new( o->sample_spec = data->sample_spec; o->channel_map = data->channel_map; - o->push = NULL; - o->kill = NULL; - o->get_latency = NULL; + o->direct_on_input = data->direct_on_input; + + reset_callbacks(o); o->userdata = NULL; o->thread_info.state = o->state; + o->thread_info.attached = FALSE; o->thread_info.sample_spec = o->sample_spec; o->thread_info.resampler = resampler; + o->thread_info.requested_source_latency = (pa_usec_t) -1; + o->thread_info.direct_on_input = o->direct_on_input; + + o->thread_info.delay_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&o->source->sample_spec), + 0, + 1, + 0, + &o->source->silence); pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0); pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0); - pa_log_info("Created output %u \"%s\" on %s with sample spec %s", + if (o->direct_on_input) + pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0); + + pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s", o->index, - o->name, + pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)), o->source->name, - pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec)); + pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec), + pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map)); /* Don't forget to call pa_source_output_put! */ return o; } +/* Called from main context */ +static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) { + pa_assert(o); + + if (o->state == PA_SOURCE_OUTPUT_CORKED && state != PA_SOURCE_OUTPUT_CORKED) + pa_assert_se(o->source->n_corked -- >= 1); + else if (o->state != PA_SOURCE_OUTPUT_CORKED && state == PA_SOURCE_OUTPUT_CORKED) + o->source->n_corked++; + + 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; + + if (state != PA_SOURCE_OUTPUT_UNLINKED) + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o); + return 0; } -void pa_source_output_disconnect(pa_source_output*o) { +/* Called from main context */ +void pa_source_output_unlink(pa_source_output*o) { + pa_bool_t linked; pa_assert(o); - pa_return_if_fail(o->state != PA_SOURCE_OUTPUT_DISCONNECTED); - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); + /* See pa_sink_unlink() for a couple of comments how this function + * works */ + + pa_source_output_ref(o); + + linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state); + + if (linked) + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o); + if (o->direct_on_input) + pa_idxset_remove_by_data(o->direct_on_input->direct_outputs, o, NULL); pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL); - pa_idxset_remove_by_data(o->source->outputs, o, NULL); - pa_source_output_unref(o); + if (pa_idxset_remove_by_data(o->source->outputs, o, NULL)) + pa_source_output_unref(o); - pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index); + update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED); + o->state = PA_SOURCE_OUTPUT_UNLINKED; - source_output_set_state(o, PA_SOURCE_OUTPUT_DISCONNECTED); - pa_source_update_status(o->source); + if (linked) + if (o->source->asyncmsgq) + 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); + + if (linked) { + pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index); + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o); + } o->source = NULL; - o->push = NULL; - o->kill = NULL; - o->get_latency = NULL; + 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); + pa_assert(o); pa_assert(pa_source_output_refcnt(o) == 0); - if (o->state != PA_SOURCE_OUTPUT_DISCONNECTED) - pa_source_output_disconnect(o); + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) + pa_source_output_unlink(o); - pa_log_info("Freeing output %u \"%s\"", o->index, o->name); + pa_log_info("Freeing output %u \"%s\"", o->index, pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME))); + + pa_assert(!o->thread_info.attached); + + if (o->thread_info.delay_memblockq) + pa_memblockq_free(o->thread_info.delay_memblockq); if (o->thread_info.resampler) pa_resampler_free(o->thread_info.resampler); - pa_xfree(o->name); + if (o->proplist) + pa_proplist_free(o->proplist); + pa_xfree(o->driver); 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_asyncmsgq_post(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, pa_source_output_ref(o), 0, NULL, (pa_free_cb_t) pa_source_output_unref); - pa_source_update_status(o->source); + 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_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); + + if (source_latency) + *source_latency = r[1]; - return r; + return r[0]; } +/* Called from thread context */ void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk) { - pa_memchunk rchunk; + size_t length; + size_t limit, mbs = 0; pa_source_output_assert_ref(o); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); pa_assert(chunk); - pa_assert(chunk->length); + pa_assert(pa_frame_aligned(chunk->length, &o->source->sample_spec)); - if (!o->push || o->state == PA_SOURCE_OUTPUT_DISCONNECTED || o->state == PA_SOURCE_OUTPUT_CORKED) + if (!o->push || o->thread_info.state == PA_SOURCE_OUTPUT_CORKED) return; - pa_assert(o->state == PA_SOURCE_OUTPUT_RUNNING); + pa_assert(o->thread_info.state == PA_SOURCE_OUTPUT_RUNNING); - if (!o->thread_info.resampler) { - o->push(o, chunk); - return; + if (pa_memblockq_push(o->thread_info.delay_memblockq, chunk) < 0) { + pa_log_debug("Delay queue overflow!"); + pa_memblockq_seek(o->thread_info.delay_memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE); } - pa_resampler_run(o->thread_info.resampler, chunk, &rchunk); - if (!rchunk.length) + limit = o->process_rewind ? 0 : o->source->thread_info.max_rewind; + + /* Implement the delay queue */ + while ((length = pa_memblockq_get_length(o->thread_info.delay_memblockq)) > limit) { + pa_memchunk qchunk; + + length -= limit; + + pa_assert_se(pa_memblockq_peek(o->thread_info.delay_memblockq, &qchunk) >= 0); + + if (qchunk.length > length) + qchunk.length = length; + + pa_assert(qchunk.length > 0); + + if (!o->thread_info.resampler) + o->push(o, &qchunk); + else { + pa_memchunk rchunk; + + if (mbs == 0) + mbs = pa_resampler_max_block_size(o->thread_info.resampler); + + if (qchunk.length > mbs) + qchunk.length = mbs; + + pa_resampler_run(o->thread_info.resampler, &qchunk, &rchunk); + + if (rchunk.length > 0) + o->push(o, &rchunk); + + if (rchunk.memblock) + pa_memblock_unref(rchunk.memblock); + } + + pa_memblock_unref(qchunk.memblock); + pa_memblockq_drop(o->thread_info.delay_memblockq, qchunk.length); + } +} + +/* Called from thread context */ +void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes /* in source sample spec */) { + pa_source_output_assert_ref(o); + + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec)); + + if (nbytes <= 0) return; - pa_assert(rchunk.memblock); - o->push(o, &rchunk); - pa_memblock_unref(rchunk.memblock); + if (o->process_rewind) { + pa_assert(pa_memblockq_get_length(o->thread_info.delay_memblockq) == 0); + + if (o->thread_info.resampler) + nbytes = pa_resampler_result(o->thread_info.resampler, nbytes); + + pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) nbytes); + + if (nbytes > 0) + o->process_rewind(o, nbytes); + + if (o->thread_info.resampler) + pa_resampler_reset(o->thread_info.resampler); + + } else + pa_memblockq_rewind(o->thread_info.delay_memblockq, nbytes); } -void pa_source_output_cork(pa_source_output *o, int b) { +/* Called from thread context */ +void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes /* in the source's sample spec */) { pa_source_output_assert_ref(o); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec)); + + if (o->update_max_rewind) + 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->thread_info.max_latency > 0 && usec > s->thread_info.max_latency) + usec = s->thread_info.max_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); + + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) + 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 source output is not realized yet, we have to touch + * the thread info data directly */ + + o->thread_info.requested_source_latency = usec; + + 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_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 source output is not realized yet, we have to touch + * the thread info data directly */ + usec = o->thread_info.requested_source_latency; + + 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)); 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)); pa_return_val_if_fail(o->thread_info.resampler, -1); if (o->sample_spec.rate == rate) @@ -299,108 +561,200 @@ 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); - if (!o->name && !name) + if (!name && !pa_proplist_contains(o->proplist, PA_PROP_MEDIA_NAME)) return; - if (o->name && name && !strcmp(o->name, name)) + old = pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME); + + if (old && name && !strcmp(old, name)) return; - pa_xfree(o->name); - o->name = pa_xstrdup(name); + if (name) + pa_proplist_sets(o->proplist, PA_PROP_MEDIA_NAME, name); + else + pa_proplist_unset(o->proplist, PA_PROP_MEDIA_NAME); - pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) { + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], o); + pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); + } } +/* 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 = NULL; */ + pa_source *origin; + pa_resampler *new_resampler; + pa_source_output_move_hook_data hook_data; pa_source_output_assert_ref(o); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); pa_source_assert_ref(dest); - return -1; + origin = o->source; -/* origin = o->source; */ + if (dest == origin) + return 0; + + if (o->flags & PA_SOURCE_OUTPUT_DONT_MOVE) + return -1; + + if (o->direct_on_input) + return -1; + + if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) { + pa_log_warn("Failed to move source output: too many outputs per source."); + return -1; + } + + if (o->thread_info.resampler && + pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) && + pa_channel_map_equal(&origin->channel_map, &dest->channel_map)) + + /* Try to reuse the old resampler if possible */ + new_resampler = o->thread_info.resampler; + + else if ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) || + !pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) || + !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) { + + /* Okey, we need a new resampler for the new source */ + + if (!(new_resampler = pa_resampler_new( + dest->core->mempool, + &dest->sample_spec, &dest->channel_map, + &o->sample_spec, &o->channel_map, + o->resample_method, + ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) | + ((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) | + (o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) { + pa_log_warn("Unsupported resampling operation."); + return -1; + } + } else + new_resampler = NULL; + + hook_data.source_output = o; + hook_data.destination = dest; + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE], &hook_data); + + /* Okey, let's move it */ + 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); + o->source = dest; + + if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED) { + pa_assert_se(origin->n_corked-- >= 1); + dest->n_corked++; + } -/* if (dest == origin) */ -/* return 0; */ + /* Replace resampler */ + if (new_resampler != o->thread_info.resampler) { + if (o->thread_info.resampler) + pa_resampler_free(o->thread_info.resampler); + o->thread_info.resampler = new_resampler; + + pa_memblockq_free(o->thread_info.delay_memblockq); + + o->thread_info.delay_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&o->source->sample_spec), + 0, + 1, + 0, + &o->source->silence); + } + + pa_source_update_status(origin); + pa_source_update_status(dest); -/* if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) { */ -/* pa_log_warn("Failed to move source output: too many outputs per source."); */ -/* return -1; */ -/* } */ + pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0); -/* if (o->resampler && */ -/* pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) && */ -/* pa_channel_map_equal(&origin->channel_map, &dest->channel_map)) */ + if (o->moved) + o->moved(o); -/* /\* Try to reuse the old resampler if possible *\/ */ -/* new_resampler = o->resampler; */ + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST], o); -/* else if (!pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) || */ -/* !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) { */ + pa_log_debug("Successfully moved source output %i from %s to %s.", o->index, origin->name, dest->name); -/* /\* Okey, we need a new resampler for the new source *\/ */ + /* Notify everyone */ + pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); -/* if (!(new_resampler = pa_resampler_new( */ -/* dest->core->mempool, */ -/* &dest->sample_spec, &dest->channel_map, */ -/* &o->sample_spec, &o->channel_map, */ -/* o->resample_method))) { */ -/* pa_log_warn("Unsupported resampling operation."); */ -/* return -1; */ -/* } */ -/* } */ + return 0; +} -/* /\* Okey, let's move it *\/ */ -/* pa_idxset_remove_by_data(origin->outputs, o, NULL); */ -/* pa_idxset_put(dest->outputs, o, NULL); */ -/* o->source = dest; */ +/* 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); -/* /\* Replace resampler *\/ */ -/* if (new_resampler != o->resampler) { */ -/* if (o->resampler) */ -/* pa_resampler_free(o->resampler); */ -/* o->resampler = new_resampler; */ -/* } */ + if (state == o->thread_info.state) + return; -/* /\* Notify everyone *\/ */ -/* pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); */ -/* pa_source_notify(o->source); */ + if (o->state_change) + o->state_change(o, state); -/* return 0; */ + o->thread_info.state = state; } +/* 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); switch (code) { - case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE: { + 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; + + return 0; + } + + case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE: o->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata); pa_resampler_set_output_rate(o->thread_info.resampler, PA_PTR_TO_UINT(userdata)); + return 0; + + case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE: + + pa_source_output_set_state_within_thread(o, PA_PTR_TO_UINT(userdata)); + return 0; + + case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY: { + pa_usec_t *usec = userdata; + + *usec = pa_source_output_set_requested_latency_within_thread(o, *usec); return 0; } - case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE: { - o->thread_info.state = PA_PTR_TO_UINT(userdata); + case PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY: { + pa_usec_t *r = userdata; + *r = o->thread_info.requested_source_latency; return 0; } - } return -1;