diff options
Diffstat (limited to 'pavolctld.c')
| -rw-r--r-- | pavolctld.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/pavolctld.c b/pavolctld.c index deb5796..2e6d13d 100644 --- a/pavolctld.c +++ b/pavolctld.c @@ -3,18 +3,22 @@ #include <string.h> #include <pulse/pulseaudio.h> +#define ROUND_POS(x) ((int)((x) + 0.5f)) + //TODO pa_operation_unref(o); -static int default_sink_index; +/* context vars */ +static int default_sink_index; // should always point to default sink static int command_sink_index; // commands will modify this sink +/* output callbacks */ static void sink_info_volume_callback(pa_context *c, const pa_sink_info *i, int eol, void *userdata) { pa_volume_t vol; if (eol) return; vol = pa_cvolume_avg(&i->volume); - printf("v%d,%d,%.02f,%d\n", i->index, vol*100/PA_VOLUME_NORM, pa_sw_volume_to_dB(vol), i->mute); + printf("v%d,%d,%.02f,%d\n", i->index, ROUND_POS(vol*100.0f/PA_VOLUME_NORM), pa_sw_volume_to_dB(vol), i->mute); fflush(stdout); } @@ -35,6 +39,7 @@ static void server_info_default_sink_callback(pa_context *c, const pa_server_inf fflush(stdout); } +/* subscription callback is called whenever a listened-to event occurs */ static void subscription_callback(pa_context *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) { switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) { case PA_SUBSCRIPTION_EVENT_SINK: @@ -58,6 +63,7 @@ static void subscription_callback(pa_context *c, pa_subscription_event_type_t t, } } +/* context state will really only change at startup or exit etc. */ static void context_state_callback(pa_context *c, void *userdata) { if (pa_context_get_state(c) == PA_CONTEXT_READY) { pa_context_set_subscribe_callback(c, subscription_callback, userdata); @@ -79,7 +85,7 @@ static void context_state_callback(pa_context *c, void *userdata) { } } -/* commands */ +/* stdin commands */ static void sink_info_set_volume_callback(pa_context *c, const pa_sink_info *i, int eol, void *userdata) { pa_cvolume *vol; double input_vol; @@ -101,13 +107,14 @@ static void sink_info_set_volume_callback(pa_context *c, const pa_sink_info *i, break; default: input_vol = atof(&cmd[1])/100; - vol = pa_cvolume_set(vol, i->volume.channels, (pa_volume_t)(input_vol * PA_VOLUME_NORM * -1)); + vol = pa_cvolume_set(vol, i->volume.channels, (pa_volume_t)(input_vol * PA_VOLUME_NORM)); break; } pa_context_set_sink_volume_by_index(c, i->index, vol, NULL, NULL); } +/* handle stdin commands */ static void handle_command(pa_context *c, char *cmd) { // send the command to each callback using userdata switch (cmd[0]) { @@ -117,6 +124,7 @@ static void handle_command(pa_context *c, char *cmd) { } } +/* main */ int main() { pa_threaded_mainloop *mainloop = pa_threaded_mainloop_new(); pa_mainloop_api *mainloop_api = pa_threaded_mainloop_get_api(mainloop); @@ -131,11 +139,8 @@ int main() { pa_threaded_mainloop_start(mainloop); while(1) { - if (fgets(stdin_buffer, sizeof(stdin_buffer), stdin) != NULL) { + if (fgets(stdin_buffer, sizeof(stdin_buffer), stdin) != NULL) handle_command(context, stdin_buffer); - //printf("You entered: %s", stdin_buffer); - //fflush(stdout); - } } // clean up |