From: poljar <poljarinho@xxxxxxxxx>
pacmd was extended so it can handle the new latency offset.
Two new functions were introduced which enable setting and printing the
latency offset for a specified port.
---
src/pulsecore/cli-command.c | 87 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/src/pulsecore/cli-command.c b/src/pulsecore/cli-command.c
index fc9465b..c346920 100644
--- a/src/pulsecore/cli-command.c
+++ b/src/pulsecore/cli-command.c
@@ -135,6 +135,8 @@ static int pa_cli_command_update_source_output_proplist(pa_core *c, pa_tokenizer
static int pa_cli_command_card_profile(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
static int pa_cli_command_sink_port(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
static int pa_cli_command_source_port(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
+static int pa_cli_command_set_latency_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
+static int pa_cli_command_get_latency_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
static int pa_cli_command_dump_volumes(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail);
/* A method table for all available commands */
@@ -168,6 +170,8 @@ static const struct command commands[] = {
{ "set-card-profile", pa_cli_command_card_profile, "Change the profile of a card (args: index|name, profile-name)", 3},
{ "set-sink-port", pa_cli_command_sink_port, "Change the port of a sink (args: index|name, port-name)", 3},
{ "set-source-port", pa_cli_command_source_port, "Change the port of a source (args: index|name, port-name)", 3},
+ { "set-latency-offset", pa_cli_command_set_latency_offset, "Change the latency of a port (args: index|name, port-name, latency-offset)", 4},
+ { "get-latency-offset", pa_cli_command_get_latency_offset, "Show the latency of a port (args: index|name, port-name)", 3},
{ "suspend-sink", pa_cli_command_suspend_sink, "Suspend sink (args: index|name, bool)", 3},
{ "suspend-source", pa_cli_command_suspend_source, "Suspend source (args: index|name, bool)", 3},
{ "suspend", pa_cli_command_suspend, "Suspend all sinks and all sources (args: bool)", 2},
@@ -1723,6 +1727,89 @@ static int pa_cli_command_source_port(pa_core *c, pa_tokenizer *t, pa_strbuf *bu
return 0;
}
+static int pa_cli_command_set_latency_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) {
+ const char *n, *p, *l;
+ pa_device_port *port;
+ pa_card *card;
+ uint32_t latency;
+
+ pa_core_assert_ref(c);
+ pa_assert(t);
+ pa_assert(buf);
+ pa_assert(fail);
+
+ if (!(n = pa_tokenizer_get(t, 1))) {
+ pa_strbuf_puts(buf, "You need to specify a card either by its name or its index.\n");
+ return -1;
+ }
+
+ if (!(p = pa_tokenizer_get(t, 2))) {
+ pa_strbuf_puts(buf, "You need to specify a port by its name.\n");
+ return -1;
+ }
+
+ if (!(l = pa_tokenizer_get(t, 3))) {
+ pa_strbuf_puts(buf, "You need to specify a latency offset.\n");
+ return -1;
+ }
+
+ if (pa_atou(l, &latency) < 0) {
+ pa_strbuf_puts(buf, "Failed to parse latency.\n");
+ return -1;
+ }
+
+ if (!(card = pa_namereg_get(c, n, PA_NAMEREG_CARD))) {
+ pa_strbuf_puts(buf, "No card found by this name or index.\n");
+ return -1;
+ }
+
+ if (!(port = pa_hashmap_get(card->ports, p))) {
+ pa_strbuf_puts(buf, "No port found by this name.\n");
+ return -1;
+ }
+
+ pa_device_port_set_latency_offset(port, (pa_usec_t) latency);
+
+ return 0;
+}
+
+static int pa_cli_command_get_latency_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) {
+ const char *n, *p;
+ pa_device_port *port;
+ pa_card *card;
+ pa_usec_t latency;
+
+ pa_core_assert_ref(c);
+ pa_assert(t);
+ pa_assert(buf);
+ pa_assert(fail);
+
+ if (!(n = pa_tokenizer_get(t, 1))) {
+ pa_strbuf_puts(buf, "You need to specify a card either by its name or its index.\n");
+ return -1;
+ }
+
+ if (!(p = pa_tokenizer_get(t, 2))) {
+ pa_strbuf_puts(buf, "You need to specify a port by its name.\n");
+ return -1;
+ }
+
+ if (!(card = pa_namereg_get(c, n, PA_NAMEREG_CARD))) {
+ pa_strbuf_puts(buf, "No card found by this name or index.\n");
+ return -1;
+ }
+
+ if (!(port = pa_hashmap_get(card->ports, p))) {
+ pa_strbuf_puts(buf, "No port found by this name.\n");
+ return -1;
+ }
+
+ latency = pa_device_port_get_latency_offset(port);
+
+ pa_strbuf_printf(buf, "%.2f", (double) latency);
+ return 0;
+}
+
static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) {
pa_module *m;
pa_sink *sink;
--
1.7.10.4
