152 struct pa_stream {  struct
161     pa_stream_direction_t direction;  argument
162     pa_stream_state_t state;  argument
163     pa_stream_flags_t flags;  argument
165     pa_sample_spec sample_spec;
166     pa_channel_map channel_map;
167     uint8_t n_formats;
168     pa_format_info *req_formats[PA_MAX_FORMATS];
169     pa_format_info *format;
171     pa_proplist *proplist;
173     bool channel_valid:1;
174     bool suspended:1;
175     bool corked:1;
176     bool timing_info_valid:1;
177     bool auto_timing_update_requested:1;
179     uint32_t channel;
180     uint32_t syncid;
181     uint32_t stream_index;
183     int64_t requested_bytes;
184     pa_buffer_attr buffer_attr;
186     uint32_t device_index;
187     char *device_name;
190     pa_memblock *write_memblock;
191     void *write_data;
192     int64_t latest_underrun_at_index;
195     pa_memchunk peek_memchunk;
196     void *peek_data;
197     pa_memblockq *record_memblockq;
200     pa_timing_info timing_info;
224     pa_stream_notify_cb_t state_callback;  argument
226     pa_stream_request_cb_t read_callback;  argument
228     pa_stream_request_cb_t write_callback;  argument
230     pa_stream_notify_cb_t overflow_callback;  argument
232     pa_stream_notify_cb_t underflow_callback;  argument
234     pa_stream_notify_cb_t latency_update_callback;  argument
236     pa_stream_notify_cb_t moved_callback;  argument
238     pa_stream_notify_cb_t suspended_callback;  argument
240     pa_stream_notify_cb_t started_callback;  argument
242     pa_stream_event_cb_t event_callback;  argument
244     pa_stream_notify_cb_t buffer_attr_callback;  argument
246     pa_stream_notify_cb_t underflow_ohos_callback;  argument
256     pa_stream *stream;  argument