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#ifndef foointernalhfoo
#define foointernalhfoo
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <polyp/mainloop-api.h>
#include <polyp/context.h>
#include <polyp/stream.h>
#include <polyp/operation.h>
#include <polyp/subscribe.h>
#include <polypcore/socket-client.h>
#include <polypcore/pstream.h>
#include <polypcore/pdispatch.h>
#include <polypcore/dynarray.h>
#include <polypcore/llist.h>
#include <polypcore/native-common.h>
#include <polypcore/strlist.h>
#include <polypcore/mcalign.h>
#include <polypcore/memblockq.h>
#include <polypcore/hashmap.h>
#include "client-conf.h"
#define DEFAULT_TIMEOUT (10)
struct pa_context {
int ref;
char *name;
pa_mainloop_api* mainloop;
pa_socket_client *client;
pa_pstream *pstream;
pa_pdispatch *pdispatch;
pa_dynarray *record_streams, *playback_streams;
PA_LLIST_HEAD(pa_stream, streams);
PA_LLIST_HEAD(pa_operation, operations);
uint32_t version;
uint32_t ctag;
uint32_t csyncid;
uint32_t error;
pa_context_state_t state;
pa_context_notify_cb_t state_callback;
void *state_userdata;
pa_context_subscribe_cb_t subscribe_callback;
void *subscribe_userdata;
pa_memblock_stat *memblock_stat;
int local;
int do_autospawn;
int autospawn_lock_fd;
pa_spawn_api spawn_api;
pa_strlist *server_list;
char *server;
pa_client_conf *conf;
};
#define PA_MAX_WRITE_INDEX_CORRECTIONS 10
typedef struct pa_index_correction {
uint32_t tag;
int valid;
int64_t value;
int absolute, corrupt;
} pa_index_correction;
struct pa_stream {
int ref;
pa_context *context;
pa_mainloop_api *mainloop;
PA_LLIST_FIELDS(pa_stream);
char *name;
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;
pa_stream_state_t state;
uint32_t requested_bytes;
pa_memchunk peek_memchunk;
pa_memblockq *record_memblockq;
int corked;
/* Store latest latency info */
pa_timing_info timing_info;
int timing_info_valid;
/* Use to make sure that time advances monotonically */
pa_usec_t previous_time;
/* time updates with tags older than these are invalid */
uint32_t write_index_not_before;
uint32_t read_index_not_before;
/* Data about individual timing update correctoins */
pa_index_correction write_index_corrections[PA_MAX_WRITE_INDEX_CORRECTIONS];
int current_write_index_correction;
/* Latency interpolation stuff */
pa_time_event *auto_timing_update_event;
int auto_timing_update_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;
pa_stream_notify_cb_t latency_update_callback;
void *latency_update_userdata;
};
typedef void (*pa_operation_cb_t)(void);
struct pa_operation {
int ref;
pa_context *context;
pa_stream *stream;
PA_LLIST_FIELDS(pa_operation);
pa_operation_state_t state;
void *userdata;
pa_operation_cb_t callback;
};
void pa_command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_overflow_or_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
pa_operation *pa_operation_new(pa_context *c, pa_stream *s, pa_operation_cb_t callback, void *userdata);
void pa_operation_done(pa_operation *o);
void pa_create_stream_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_stream_disconnect_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_context_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_stream_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_context_fail(pa_context *c, int error);
int pa_context_set_error(pa_context *c, int error);
void pa_context_set_state(pa_context *c, pa_context_state_t st);
int pa_context_handle_error(pa_context *c, uint32_t command, pa_tagstruct *t);
pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, void (*internal_callback)(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata), void (*cb)(void), void *userdata);
void pa_stream_set_state(pa_stream *s, pa_stream_state_t st);
pa_tagstruct *pa_tagstruct_command(pa_context *c, uint32_t command, uint32_t *tag);
#define PA_CHECK_VALIDITY(context, expression, error) do { \
if (!(expression)) \
return -pa_context_set_error((context), (error)); \
} while(0)
#define PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, value) do { \
if (!(expression)) { \
pa_context_set_error((context), (error)); \
return value; \
} \
} while(0)
#define PA_CHECK_VALIDITY_RETURN_NULL(context, expression, error) PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, NULL)
#endif
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