/* Called from I/O thread context */ static int source_process_msg_cb(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) { struct userdata *u = PA_SOURCE(o)->userdata; switch (code) { case PA_SOURCE_MESSAGE_GET_LATENCY: /* The source is _put() before the source output is, so let's * make sure we don't access it in that time. Also, the * source output is first shut down, the source second. */ if (!PA_SOURCE_IS_LINKED(u->source->thread_info.state) || !PA_SOURCE_OUTPUT_IS_LINKED(u->source_output->thread_info.state)) { *((pa_usec_t*) data) = 0; return 0; } *((pa_usec_t*) data) = /* Get the latency of the master source */ pa_source_get_latency_within_thread(u->source_output->source) + /* Add the latency internal to our source output on top */ pa_bytes_to_usec(pa_memblockq_get_length(u->source_output->thread_info.delay_memblockq), &u->source_output->source->sample_spec); return 0; } return pa_source_process_msg(o, code, data, offset, chunk); }
static void do_read(struct userdata *u) { uint32_t free_frags; pa_memchunk memchunk; WAVEHDR *hdr; MMRESULT res; void *p; if (!u->source) return; if (!PA_SOURCE_IS_LINKED(u->source->state)) return; EnterCriticalSection(&u->crit); free_frags = u->free_ifrags; u->free_ifrags = 0; LeaveCriticalSection(&u->crit); if (free_frags == u->fragments) pa_log_debug("WaveIn overflow!"); while (free_frags) { hdr = &u->ihdrs[u->cur_ihdr]; if (hdr->dwFlags & WHDR_PREPARED) waveInUnprepareHeader(u->hwi, hdr, sizeof(WAVEHDR)); if (hdr->dwBytesRecorded) { memchunk.memblock = pa_memblock_new(u->core->mempool, hdr->dwBytesRecorded); pa_assert(memchunk.memblock); p = pa_memblock_acquire(memchunk.memblock); memcpy((char*) p, hdr->lpData, hdr->dwBytesRecorded); pa_memblock_release(memchunk.memblock); memchunk.length = hdr->dwBytesRecorded; memchunk.index = 0; pa_source_post(u->source, &memchunk); pa_memblock_unref(memchunk.memblock); } res = waveInPrepareHeader(u->hwi, hdr, sizeof(WAVEHDR)); if (res != MMSYSERR_NOERROR) pa_log_error("Unable to prepare waveIn block: %d", res); res = waveInAddBuffer(u->hwi, hdr, sizeof(WAVEHDR)); if (res != MMSYSERR_NOERROR) pa_log_error("Unable to add waveIn block: %d", res); free_frags--; u->cur_ihdr++; u->cur_ihdr %= u->fragments; } }
/* Called from main context */ static int source_set_state_cb(pa_source *s, pa_source_state_t state) { struct userdata *u; pa_source_assert_ref(s); pa_assert_se(u = s->userdata); if (!PA_SOURCE_IS_LINKED(state) || !PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output))) return 0; pa_source_output_cork(u->source_output, state == PA_SOURCE_SUSPENDED); return 0; }
/* Called from main context */ static void source_get_mute_cb(pa_source *s) { struct userdata *u; pa_source_assert_ref(s); pa_assert_se(u = s->userdata); if (!PA_SOURCE_IS_LINKED(pa_source_get_state(s)) || !PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output))) return; /* FIXME, no volume control in source_output, get the info from the master */ pa_source_get_mute(u->source_output->source, TRUE); }
/* Called from I/O thread context */ static void source_update_requested_latency_cb(pa_source *s) { struct userdata *u; pa_source_assert_ref(s); pa_assert_se(u = s->userdata); if (!PA_SOURCE_IS_LINKED(u->source->thread_info.state) || !PA_SOURCE_OUTPUT_IS_LINKED(u->source_output->thread_info.state)) return; /* Just hand this one over to the master source */ pa_source_output_set_requested_latency_within_thread( u->source_output, pa_source_get_requested_latency_within_thread(s)); }
static void sink_subscribe_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) { struct userdata *u = (struct userdata *)userdata; if (t == PA_SUBSCRIPTION_EVENT_CHANGE) { pa_sink *sink = PA_SINK(pa_idxset_get_by_index(c->sinks, idx)); if (sink) { if (u->master_sink == sink) { const pa_cvolume *vol = pa_sink_get_volume(sink, 0, 0); int aep_step; u->linear_q15_master_volume_L = lrint(pa_sw_volume_to_linear(vol->values[0]) * 32767.0); if (vol->channels == 1) u->linear_q15_master_volume_R = lrint(pa_sw_volume_to_linear(vol->values[0]) * 32767.0); else u->linear_q15_master_volume_R = lrint(pa_sw_volume_to_linear(vol->values[1]) * 32767.0); aep_step = voice_pa_vol_to_aep_step(u, vol->values[0]); if (voice_cmt_ul_is_active_iothread(u) || (u->voip_source && PA_SOURCE_IS_LINKED(u->voip_source->state) && pa_source_used_by(u->voip_source))) { if (aep_step <= 0) { voice_update_aep_volume(0); voice_update_sidetone_gain(0); } else { voice_update_aep_volume(aep_step - 1); voice_update_sidetone_gain(aep_step - 1); } } xprot_change_volume(u->xprot, u->linear_q15_master_volume_L, u->linear_q15_master_volume_R); } } } }
static void source_get_volume_cb(pa_source *s) { struct userdata *u; pa_source_assert_ref(s); pa_assert_se(u = s->userdata); if (!PA_SOURCE_IS_LINKED(pa_source_get_state(s)) || !PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(u->source_output))) return; /* FIXME, no volume control in source_output, get the info from the master */ pa_source_get_volume(u->source_output->source, TRUE); if (pa_cvolume_equal(&s->volume,&u->source_output->source->volume)) /* no change */ return; s->volume = u->source_output->source->volume; pa_source_set_soft_volume(s, NULL); }
/* Called from main context */ int pa_source_output_new( pa_source_output**_o, pa_core *core, pa_source_output_new_data *data) { pa_source_output *o; pa_resampler *resampler = NULL; char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; int r; char *pt; pa_assert(_o); pa_assert(core); pa_assert(data); pa_assert_ctl_context(); if (data->client) pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist); if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data)) < 0) return r; pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID); if (!data->source) { data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE); data->save_source = FALSE; } pa_return_val_if_fail(data->source, -PA_ERR_NOENTITY); pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data->source)), -PA_ERR_BADSTATE); pa_return_val_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of, -PA_ERR_INVALID); if (!data->sample_spec_is_set) data->sample_spec = data->source->sample_spec; pa_return_val_if_fail(pa_sample_spec_valid(&data->sample_spec), -PA_ERR_INVALID); if (!data->channel_map_is_set) { if (pa_channel_map_compatible(&data->source->channel_map, &data->sample_spec)) data->channel_map = data->source->channel_map; else pa_channel_map_init_extend(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT); } pa_return_val_if_fail(pa_channel_map_valid(&data->channel_map), -PA_ERR_INVALID); pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID); if (data->flags & PA_SOURCE_OUTPUT_FIX_FORMAT) data->sample_spec.format = data->source->sample_spec.format; if (data->flags & PA_SOURCE_OUTPUT_FIX_RATE) data->sample_spec.rate = data->source->sample_spec.rate; if (data->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_val_if_fail(data->resample_method < PA_RESAMPLER_MAX, -PA_ERR_INVALID); if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data)) < 0) return r; if ((data->flags & PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND) && pa_source_get_state(data->source) == PA_SOURCE_SUSPENDED) { pa_log("Failed to create source output: source is suspended."); return -PA_ERR_BADSTATE; } 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 -PA_ERR_TOOLARGE; } if ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) || !pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) || !pa_channel_map_equal(&data->channel_map, &data->source->channel_map)) { if (!(resampler = pa_resampler_new( core->mempool, &data->source->sample_spec, &data->source->channel_map, &data->sample_spec, &data->channel_map, data->resample_method, ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) | ((data->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) | (core->disable_remixing || (data->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) | (core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) { pa_log_warn("Unsupported resampling operation."); return -PA_ERR_NOTSUPPORTED; } } o = pa_msgobject_new(pa_source_output); o->parent.parent.free = source_output_free; o->parent.process_msg = pa_source_output_process_msg; o->core = core; o->state = PA_SOURCE_OUTPUT_INIT; o->flags = data->flags; o->proplist = pa_proplist_copy(data->proplist); o->driver = pa_xstrdup(pa_path_get_filename(data->driver)); o->module = data->module; o->source = data->source; o->destination_source = data->destination_source; o->client = data->client; o->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID; o->requested_resample_method = data->resample_method; o->sample_spec = data->sample_spec; o->channel_map = data->channel_map; o->direct_on_input = data->direct_on_input; o->save_source = data->save_source; 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); if (o->client) pa_assert_se(pa_idxset_put(o->client->source_outputs, o, NULL) >= 0); if (o->direct_on_input) pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0); pt = pa_proplist_to_string_sep(o->proplist, "\n "); pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s\n %s", o->index, 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_channel_map_snprint(cm, sizeof(cm), &o->channel_map), pt); pa_xfree(pt); /* Don't forget to call pa_source_output_put! */ *_o = o; return 0; }