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adapt JACK audiobackend to pay attention to new _start() API related to latency measurement

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This commit is contained in:
Paul Davis 2013-10-12 10:03:15 -04:00
parent 057f06703b
commit 589ef168c1
4 changed files with 9 additions and 9 deletions
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8
libs/backends/jack/jack_audiobackend.cc
View file

@ -471,7 +471,7 @@ JACKAudioBackend::raw_buffer_size(DataType t)
}
void
JACKAudioBackend::setup_jack_startup_command ()
JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement)
{
/* first we map the parameters that have been set onto a
* JackCommandLineOptions object.
@ -505,7 +505,7 @@ JACKAudioBackend::setup_jack_startup_command ()
string cmdline;
if (!get_jack_command_line_string (options, cmdline)) {
if (!get_jack_command_line_string (options, cmdline, for_latency_measurement)) {
/* error, somehow - we will still try to start JACK
* automatically but it will be without our preferred options
*/
@ -520,7 +520,7 @@ JACKAudioBackend::setup_jack_startup_command ()
/* ---- BASIC STATE CONTROL API: start/stop/pause/freewheel --- */
int
JACKAudioBackend::start ()
JACKAudioBackend::_start (bool for_latency_measurement)
{
if (!available()) {
@ -528,7 +528,7 @@ JACKAudioBackend::start ()
/* we will be starting JACK, so set up the
command that JACK will use when it (auto-)starts
*/
setup_jack_startup_command ();
setup_jack_startup_command (for_latency_measurement);
}
if (_jack_connection->open ()) {

4
libs/backends/jack/jack_audiobackend.h
View file

@ -89,7 +89,7 @@ class JACKAudioBackend : public AudioBackend {
std::string control_app_name () const;
void launch_control_app ();
int start ();
int _start (bool for_latency_measurement);
int stop ();
int pause ();
int freewheel (bool);
@ -225,7 +225,7 @@ class JACKAudioBackend : public AudioBackend {
void* process_thread ();
static void* _start_process_thread (void*);
void setup_jack_startup_command ();
void setup_jack_startup_command (bool for_latency_measurement);
/* pffooo */

4
libs/backends/jack/jack_utils.cc
View file

@ -685,7 +685,7 @@ ARDOUR::JackCommandLineOptions::JackCommandLineOptions ()
}
bool
ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& command_line)
ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& command_line, bool for_latency_measurement)
{
vector<string> args;
@ -821,7 +821,7 @@ ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& c
args.push_back ("-p");
args.push_back (to_string (options.period_size, std::dec));
if (get_jack_audio_driver_supports_latency_adjustment (options.driver)) {
if (!for_latency_measurement && get_jack_audio_driver_supports_latency_adjustment (options.driver)) {
if (options.input_latency) {
args.push_back ("-I");
args.push_back (to_string (options.input_latency, std::dec));

2
libs/backends/jack/jack_utils.h
View file

@ -236,5 +236,5 @@ namespace ARDOUR {
/**
* @return true if able to build a valid command line based on options
*/
bool get_jack_command_line_string (JackCommandLineOptions& options, std::string& command_line);
bool get_jack_command_line_string (JackCommandLineOptions& options, std::string& command_line, bool for_latency_measurement);
}