<div class="gmail_quote">On Dec 4, 2013 4:38 PM, <a href="mailto:sathish1000@gmail.com">sathish1000@gmail.com</a> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> > > Hi, > > > > I wrote a small c program to try to load a module.. But the module is not getting loaded. > Can anybody help me with this ? I have pasted the code below. > > > > > > > #include <stdio.h> > > #include <string.h> > > #include <pulse/pulseaudio.h> > > > > #define CLEAR_LINE "\n" > > #define _(x) x > > > > /* > > // From pulsecore/macro.h > > #define pa_memzero(x,l) (memset((x), 0, (l))) > > #define pa_zero(x) (pa_memzero(&(x), sizeof(x))) > > */ > > > > int ret; > > pa_context *context; > > int clientindex; > > int sink_num_channels; > > int sink_input_index; > > > > void show_error(char *s) { > > /* stub */ > > } > > > > void load_module_cb(pa_context *context, int32_t index, void *userdata) > > { > > printf ("Going out \n"); > > int * return_value_pointer = (int *) userdata; > > if (return_value_pointer) > > { > > *return_value_pointer = index; > > } > > } > > > > // This callback gets called when our context changes state. We really only > > // care about when it's ready or if it has failed > > void pa_state_cb(pa_context *c, void *userdata) { > > pa_context_state_t state; > > int *pa_ready = userdata; > > > > state = pa_context_get_state(c); > > switch (state) { > > // There are just here for reference > > case PA_CONTEXT_UNCONNECTED: > > case PA_CONTEXT_CONNECTING: > > case PA_CONTEXT_AUTHORIZING: > > case PA_CONTEXT_SETTING_NAME: > > default: > > break; > > case PA_CONTEXT_FAILED: > > case PA_CONTEXT_TERMINATED: > > *pa_ready = 2; > > break; > > case PA_CONTEXT_READY: > > *pa_ready = 1; > > break; > > } > > } > > > > int pa_get_devicelist() { > > // Define our pulse audio loop and connection variables > > pa_mainloop *pa_ml; > > pa_mainloop_api *pa_mlapi; > > pa_operation *pa_op; > > pa_context *pa_ctx; > > > > // We'll need these state variables to keep track of our requests > > int state = 0; > > int pa_ready = 0; > > > > > > // Create a mainloop API and connection to the default server > > pa_ml = pa_mainloop_new(); > > pa_mlapi = pa_mainloop_get_api(pa_ml); > > pa_ctx = pa_context_new(pa_mlapi, "test"); > > > > // This function connects to the pulse server > > pa_context_connect(pa_ctx, NULL, 0, NULL); > > > > // This function defines a callback so the server will tell us it's state. > > // Our callback will wait for the state to be ready. The callback will > > // modify the variable to 1 so we know when we have a connection and it's > > // ready. > > // If there's an error, the callback will set pa_ready to 2 > > pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready); > > > > // Now we'll enter into an infinite loop until we get the data we receive > > // or if there's an error > > //for (;;) { > > // We can't do anything until PA is ready, so just iterate the mainloop > > // and continue > > if (pa_ready == 0) { > > printf ("Going in \n"); > > pa_op=pa_context_load_module(pa_ctx, "module-role-cork", NULL, NULL, NULL); > > printf ("Going in1 \n"); > > if(pa_op) pa_operation_unref(pa_op); > > //continue; > > } > > // We couldn't get a connection to the server, so exit out > > if (pa_ready == 2) { > > pa_context_disconnect(pa_ctx); > > pa_context_unref(pa_ctx); > > pa_mainloop_free(pa_ml); > > return -1; > > } > > > > pa_context_disconnect(pa_ctx); > > pa_context_unref(pa_ctx); > > pa_mainloop_free(pa_ml); > > return 0; > > } > > > > int main(int argc, char *argv[]) { > > > > if (pa_get_devicelist() < 0) { > > fprintf(stderr, "failed to get device list\n"); > > return 1; > > } > > > > return 0; > > } > > > > Thanks, > > Sathish > > </blockquote></div>