/* * start recording */ static int_fast32_t pulse_start_recording(struct pulse_data *data) { if (pulse_get_server_info(pulse_server_info, (void *) data) < 0) { blog(LOG_ERROR, "pulse-input: Unable to get server info !"); return -1; } pa_sample_spec spec; spec.format = data->format; spec.rate = data->samples_per_sec; spec.channels = data->channels; if (!pa_sample_spec_valid(&spec)) { blog(LOG_ERROR, "pulse-input: Sample spec is not valid"); return -1; } data->bytes_per_frame = pa_frame_size(&spec); blog(LOG_DEBUG, "pulse-input: %u bytes per frame", (unsigned int) data->bytes_per_frame); data->stream = pulse_stream_new(obs_source_getname(data->source), &spec, NULL); if (!data->stream) { blog(LOG_ERROR, "pulse-input: Unable to create stream"); return -1; } pulse_lock(); pa_stream_set_read_callback(data->stream, pulse_stream_read, (void *) data); pulse_unlock(); pa_buffer_attr attr; attr.fragsize = get_buffer_size(data, 250); attr.maxlength = (uint32_t) -1; attr.minreq = (uint32_t) -1; attr.prebuf = (uint32_t) -1; attr.tlength = (uint32_t) -1; pa_stream_flags_t flags = PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY; pulse_lock(); int_fast32_t ret = pa_stream_connect_record(data->stream, data->device, &attr, flags); pulse_unlock(); if (ret < 0) { blog(LOG_ERROR, "pulse-input: Unable to connect to stream"); return -1; } blog(LOG_DEBUG, "pulse-input: Recording started"); return 0; }
/* * Create a new pulse audio stream and connect to it * * Return a negative value on error */ static int pulse_connect_stream(struct pulse_data *data) { pa_sample_spec spec; spec.format = data->format; spec.rate = data->samples_per_sec; spec.channels = get_audio_channels(data->speakers); if (!pa_sample_spec_valid(&spec)) { blog(LOG_ERROR, "pulse-input: Sample spec is not valid"); return -1; } data->bytes_per_frame = pa_frame_size(&spec); blog(LOG_DEBUG, "pulse-input: %u bytes per frame", (unsigned int) data->bytes_per_frame); pa_buffer_attr attr; attr.fragsize = get_buffer_size(data, 250); attr.maxlength = (uint32_t) -1; attr.minreq = (uint32_t) -1; attr.prebuf = (uint32_t) -1; attr.tlength = (uint32_t) -1; data->stream = pa_stream_new_with_proplist(data->context, obs_source_getname(data->source), &spec, NULL, data->props); if (!data->stream) { blog(LOG_ERROR, "pulse-input: Unable to create stream"); return -1; } pa_stream_flags_t flags = PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY; if (pa_stream_connect_record(data->stream, NULL, &attr, flags) < 0) { blog(LOG_ERROR, "pulse-input: Unable to connect to stream"); return -1; } for (;;) { pulse_iterate(data); pa_stream_state_t state = pa_stream_get_state(data->stream); if (state == PA_STREAM_READY) { blog(LOG_DEBUG, "pulse-input: Stream ready"); break; } if (!PA_STREAM_IS_GOOD(state)) { blog(LOG_ERROR, "pulse-input: Stream connect failed"); return -1; } } return 0; }
obs_data_t obs_save_source(obs_source_t source) { obs_data_t source_data = obs_data_create(); obs_data_t settings = obs_source_getsettings(source); float volume = obs_source_getvolume(source); const char *name = obs_source_getname(source); const char *id; obs_source_save(source); obs_source_gettype(source, NULL, &id); obs_data_setstring(source_data, "name", name); obs_data_setstring(source_data, "id", id); obs_data_setobj (source_data, "settings", settings); obs_data_setdouble(source_data, "volume", volume); obs_data_release(settings); return source_data; }