#include <pulsecore/core-util.h>
#include <pulsecore/namereg.h>
#include <pulsecore/ratelimit.h>
+#include <pulsecore/strbuf.h>
#include "module-udev-detect-symdef.h"
PA_MODULE_LOAD_ONCE(TRUE);
PA_MODULE_USAGE(
"tsched=<enable system timer based scheduling mode?> "
+ "tsched_buffer_size=<buffer size when using timer based scheduling> "
"fixed_latency_range=<disable latency range changes on underrun?> "
"ignore_dB=<ignore dB information from the device?> "
"deferred_volume=<syncronize sw and hw volume changes in IO-thread?> "
pa_hashmap *devices;
pa_bool_t use_tsched:1;
+ bool tsched_buffer_size_valid:1;
pa_bool_t fixed_latency_range:1;
pa_bool_t ignore_dB:1;
pa_bool_t deferred_volume:1;
bool use_ucm:1;
+ uint32_t tsched_buffer_size;
+
struct udev* udev;
struct udev_monitor *monitor;
pa_io_event *udev_io;
static const char* const valid_modargs[] = {
"tsched",
+ "tsched_buffer_size",
"fixed_latency_range",
"ignore_dB",
"deferred_volume",
const char *path;
const char *t;
char *n;
+ pa_strbuf *args_buf;
pa_assert(u);
pa_assert(dev);
n = pa_namereg_make_valid_name(t);
d->card_name = pa_sprintf_malloc("alsa_card.%s", n);
- d->args = pa_sprintf_malloc("device_id=\"%s\" "
- "name=\"%s\" "
- "card_name=\"%s\" "
- "namereg_fail=false "
- "tsched=%s "
- "fixed_latency_range=%s "
- "ignore_dB=%s "
- "deferred_volume=%s "
- "use_ucm=%s "
- "card_properties=\"module-udev-detect.discovered=1\"",
- path_get_card_id(path),
- n,
- d->card_name,
- pa_yes_no(u->use_tsched),
- pa_yes_no(u->fixed_latency_range),
- pa_yes_no(u->ignore_dB),
- pa_yes_no(u->deferred_volume),
- pa_yes_no(u->use_ucm));
+ args_buf = pa_strbuf_new();
+ pa_strbuf_printf(args_buf,
+ "device_id=\"%s\" "
+ "name=\"%s\" "
+ "card_name=\"%s\" "
+ "namereg_fail=false "
+ "tsched=%s "
+ "fixed_latency_range=%s "
+ "ignore_dB=%s "
+ "deferred_volume=%s "
+ "use_ucm=%s "
+ "card_properties=\"module-udev-detect.discovered=1\"",
+ path_get_card_id(path),
+ n,
+ d->card_name,
+ pa_yes_no(u->use_tsched),
+ pa_yes_no(u->fixed_latency_range),
+ pa_yes_no(u->ignore_dB),
+ pa_yes_no(u->deferred_volume),
+ pa_yes_no(u->use_ucm));
pa_xfree(n);
+ if (u->tsched_buffer_size_valid)
+ pa_strbuf_printf(args_buf, " tsched_buffer_size=%" PRIu32, u->tsched_buffer_size);
+
+ d->args = pa_strbuf_tostring_free(args_buf);
+
pa_hashmap_put(u->devices, d->path, d);
verify_access(u, d);
}
u->use_tsched = use_tsched;
+ if (pa_modargs_get_value(ma, "tsched_buffer_size", NULL)) {
+ if (pa_modargs_get_value_u32(ma, "tsched_buffer_size", &u->tsched_buffer_size) < 0) {
+ pa_log("Failed to parse tsched_buffer_size= argument.");
+ goto fail;
+ }
+
+ u->tsched_buffer_size_valid = true;
+ }
+
if (pa_modargs_get_value_boolean(ma, "fixed_latency_range", &fixed_latency_range) < 0) {
pa_log("Failed to parse fixed_latency_range= argument.");
goto fail;