Changeset 36774cf in mainline for uspace/lib/hound/src/protocol.c


Ignore:
Timestamp:
2013-03-17T12:50:32Z (12 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
fe0b448
Parents:
abaef81
Message:

libhound: Move new API implementation to a new file

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/hound/src/protocol.c

    rabaef81 r36774cf  
    4545#include "server.h"
    4646
    47 const char *HOUND_SERVICE = "audio/hound";
     47static const char *HOUND_SERVICE = "audio/hound";
    4848
    4949/***
    5050 * CLIENT SIDE
    5151 ***/
    52 
    53 typedef struct hound_stream {
    54         link_t link;
    55         async_exch_t *exch;
    56 } hound_stream_t;
    57 
    58 typedef struct hound_context {
    59         async_sess_t *session;
    60         const char *name;
    61         bool record;
    62         list_t stream_list;
    63         hound_stream_t *main_stream;
    64         struct {
    65                 pcm_sample_format_t sample;
    66                 unsigned channels;
    67                 unsigned rate;
    68                 size_t bsize;
    69         } main_format;
    70         unsigned id;
    71 } hound_context_t;
    72 
    73 async_sess_t *hound_get_session(void)
    74 {
    75         service_id_t id = 0;
    76         const int ret =
    77             loc_service_get_id(HOUND_SERVICE, &id, IPC_FLAG_BLOCKING);
    78         if (ret != EOK)
    79                 return NULL;
    80         return loc_service_connect(EXCHANGE_SERIALIZE, id, IPC_FLAG_BLOCKING);
    81 }
    82 
    83 void hound_release_session(async_sess_t *sess)
    84 {
    85         if (sess)
    86                 async_hangup(sess);
    87 }
    88 
    89 static hound_context_t *hound_context_create(const char *name, bool record,
    90     unsigned channels, unsigned rate, pcm_sample_format_t format, size_t bsize)
    91 {
    92         hound_context_t *new_context = malloc(sizeof(hound_context_t));
    93         if (new_context) {
    94                 char *cont_name;
    95                 int ret = asprintf(&cont_name, "%llu:%s", task_get_id(), name);
    96                 if (ret < 0) {
    97                         free(new_context);
    98                         return NULL;
    99                 }
    100                 list_initialize(&new_context->stream_list);
    101                 new_context->name = cont_name;
    102                 new_context->record = record;
    103                 new_context->session = hound_get_session();
    104                 new_context->main_stream = NULL;
    105                 new_context->main_format.sample = format;
    106                 new_context->main_format.rate = rate;
    107                 new_context->main_format.channels = channels;
    108                 new_context->main_format.bsize = bsize;
    109                 if (!new_context->session) {
    110                         free(new_context->name);
    111                         free(new_context);
    112                         return NULL;
    113                 }
    114                 async_exch_t *exch = async_exchange_begin(new_context->session);
    115                 //TODO: register context
    116                 async_exchange_end(exch);
    117         }
    118         return new_context;
    119 }
    120 
    121 hound_context_t * hound_context_create_playback(const char *name,
    122     unsigned channels, unsigned rate, pcm_sample_format_t format, size_t bsize)
    123 {
    124         return hound_context_create(name, false, channels, rate, format, bsize);
    125 }
    126 
    127 hound_context_t * hound_context_create_capture(const char *name,
    128     unsigned channels, unsigned rate, pcm_sample_format_t format, size_t bsize)
    129 {
    130         return hound_context_create(name, true, channels, rate, format, bsize);
    131 }
    132 
    133 void hound_context_destroy(hound_context_t *hound)
    134 {
    135         assert(hound);
    136 }
    137 
    138 int hound_context_enable(hound_context_t *hound)
    139 {
    140         assert(hound);
    141         return ENOTSUP;
    142 }
    143 int hound_context_disable(hound_context_t *hound)
    144 {
    145         assert(hound);
    146         return ENOTSUP;
    147 }
    148 
    149 int hound_get_output_targets(const char **names, size_t *count)
    150 {
    151         assert(names);
    152         assert(count);
    153         return ENOTSUP;
    154 }
    155 
    156 int hound_get_input_targets(const char **names, size_t *count)
    157 {
    158         assert(names);
    159         assert(count);
    160         return ENOTSUP;
    161 }
    162 
    163 int hound_context_connect_target(hound_context_t *hound, const char* target)
    164 {
    165         assert(hound);
    166         return ENOTSUP;
    167 }
    168 
    169 int hound_context_disconnect_target(hound_context_t *hound, const char* target)
    170 {
    171         assert(hound);
    172         return ENOTSUP;
    173 }
    174 
    175 int hound_context_set_main_stream_format(hound_context_t *hound,
    176     unsigned channels, unsigned rate, pcm_sample_format_t format);
    177 int hound_write_main_stream(hound_context_t *hound,
    178     const void *data, size_t size);
    179 int hound_read_main_stream(hound_context_t *hound, void *data, size_t size);
    180 int hound_write_replace_main_stream(hound_context_t *hound,
    181     const void *data, size_t size);
    182 int hound_write_immediate_stream(hound_context_t *hound,
    183     const void *data, size_t size);
    184 
    185 
    186 
    187 
    188 
    189 
    190 
    19152
    19253typedef struct {
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