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rework latency querying API (this needs more testing)

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@648 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-04-07 00:24:48 +00:00
parent cc302f2d17
commit 920f045380
4 changed files with 326 additions and 223 deletions
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44
src/polyp/internal.h
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@ -83,6 +83,15 @@ struct pa_context {
pa_client_conf *conf;
};
#define PA_MAX_LATENCY_CORRECTIONS 10
typedef struct pa_latency_correction {
uint32_t tag;
int valid;
int64_t value;
int absolute, corrupt;
} pa_latency_correction;
struct pa_stream {
int ref;
pa_context *context;
@ -93,41 +102,48 @@ struct pa_stream {
pa_buffer_attr buffer_attr;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_stream_flags_t flags;
uint32_t channel;
uint32_t syncid;
int channel_valid;
uint32_t device_index;
pa_stream_direction_t direction;
uint32_t requested_bytes;
uint64_t counter;
pa_usec_t previous_time;
pa_usec_t previous_ipol_time;
pa_stream_state_t state;
uint32_t requested_bytes;
pa_memchunk peek_memchunk;
pa_memblockq *record_memblockq;
pa_hashmap *counter_hashmap;
int interpolate;
int corked;
uint32_t ipol_usec;
struct timeval ipol_timestamp;
/* Store latest latency info */
pa_latency_info latency_info;
int latency_info_valid;
/* Use to make sure that time advances monotonically */
pa_usec_t previous_time;
/* Latency correction stuff */
pa_latency_correction latency_corrections[PA_MAX_LATENCY_CORRECTIONS];
int idx_latency_correction;
/* Latency interpolation stuff */
pa_time_event *ipol_event;
int ipol_requested;
pa_usec_t ipol_usec;
int ipol_usec_valid;
struct timeval ipol_timestamp;
/* Callbacks */
pa_stream_notify_cb_t state_callback;
void *state_userdata;
pa_stream_request_cb_t read_callback;
void *read_userdata;
pa_stream_request_cb_t write_callback;
void *write_userdata;
pa_stream_notify_cb_t overflow_callback;
void *overflow_userdata;
pa_stream_notify_cb_t underflow_callback;
void *underflow_userdata;
};