add looping buffers

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4849 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2007-04-04 18:22:59 +00:00
parent 79e54b1fd1
commit ceb98915bb
4 changed files with 50 additions and 48 deletions

View File

@@ -48,6 +48,7 @@ struct switch_buffer {
switch_size_t blocksize;
uint32_t flags;
uint32_t id;
int32_t loops;
};
SWITCH_DECLARE(switch_status_t) switch_buffer_create(switch_memory_pool_t *pool, switch_buffer_t **buffer, switch_size_t max_len)
@@ -147,6 +148,26 @@ SWITCH_DECLARE(switch_size_t) switch_buffer_toss(switch_buffer_t *buffer, switch
return buffer->used;
}
SWITCH_DECLARE(void) switch_buffer_set_loops(switch_buffer_t *buffer, int32_t loops)
{
buffer->loops = loops;
}
SWITCH_DECLARE(switch_size_t) switch_buffer_read_loop(switch_buffer_t *buffer, void *data, switch_size_t datalen)
{
switch_size_t len;
if ((len = switch_buffer_read(buffer, data, datalen)) == 0) {
if (buffer->loops == 0) {
return 0;
}
buffer->head = buffer->data;
buffer->used = buffer->actually_used;
len = switch_buffer_read(buffer, data, datalen);
buffer->loops--;
}
return len;
}
SWITCH_DECLARE(switch_size_t) switch_buffer_read(switch_buffer_t *buffer, void *data, switch_size_t datalen)
{
switch_size_t reading = 0;