#include <assert.h>
+#include <sys/stat.h>
+
#include <QDebug>
using namespace boost;
_sampling_thread->join();
_sampling_thread.reset();
+ if (_sdi)
+ _device_manager.release_device(_sdi);
+ _sdi = NULL;
+
// TODO: This should not be necessary
_session = NULL;
}
if (sdi)
_device_manager.use_device(sdi, this);
_sdi = sdi;
+ update_signals();
}
void SigSession::release_device(struct sr_dev_inst *sdi)
assert(_capture_state == Stopped);
_sdi = NULL;
+ update_signals();
}
void SigSession::load_file(const string &name,
capture_state_changed(state);
}
+/**
+ * Attempts to autodetect the format. Failing that
+ * @param filename The filename of the input file.
+ * @return A pointer to the 'struct sr_input_format' that should be used,
+ * or NULL if no input format was selected or auto-detected.
+ */
+sr_input_format* SigSession::determine_input_file_format(
+ const string &filename)
+{
+ int i;
+
+ /* If there are no input formats, return NULL right away. */
+ sr_input_format *const *const inputs = sr_input_list();
+ if (!inputs) {
+ g_critical("No supported input formats available.");
+ return NULL;
+ }
+
+ /* Otherwise, try to find an input module that can handle this file. */
+ for (i = 0; inputs[i]; i++) {
+ if (inputs[i]->format_match(filename.c_str()))
+ break;
+ }
+
+ /* Return NULL if no input module wanted to touch this. */
+ if (!inputs[i]) {
+ g_critical("Error: no matching input module found.");
+ return NULL;
+ }
+
+ return inputs[i];
+}
+
+sr_input* SigSession::load_input_file_format(const string &filename,
+ function<void (const QString)> error_handler,
+ sr_input_format *format)
+{
+ struct stat st;
+ sr_input *in;
+
+ if (!format && !(format =
+ determine_input_file_format(filename.c_str()))) {
+ /* The exact cause was already logged. */
+ return NULL;
+ }
+
+ if (stat(filename.c_str(), &st) == -1) {
+ error_handler(tr("Failed to load file"));
+ return NULL;
+ }
+
+ /* Initialize the input module. */
+ if (!(in = new sr_input)) {
+ qDebug("Failed to allocate input module.\n");
+ return NULL;
+ }
+
+ in->format = format;
+ in->param = NULL;
+ if (in->format->init &&
+ in->format->init(in, filename.c_str()) != SR_OK) {
+ qDebug("Input format init failed.\n");
+ return NULL;
+ }
+
+ sr_session_new();
+
+ if (sr_session_dev_add(in->sdi) != SR_OK) {
+ qDebug("Failed to use device.\n");
+ sr_session_destroy();
+ return NULL;
+ }
+
+ return in;
+}
+
+void SigSession::update_signals()
+{
+ assert(_capture_state == Stopped);
+
+ shared_ptr<view::Signal> signal;
+ unsigned int logic_probe_count = 0;
+ unsigned int analog_probe_count = 0;
+
+ // Detect what data types we will receive
+ if(_sdi) {
+ for (const GSList *l = _sdi->probes; l; l = l->next) {
+ const sr_probe *const probe = (const sr_probe *)l->data;
+ if (!probe->enabled)
+ continue;
+
+ switch(probe->type) {
+ case SR_PROBE_LOGIC:
+ logic_probe_count++;
+ break;
+
+ case SR_PROBE_ANALOG:
+ analog_probe_count++;
+ break;
+ }
+ }
+ }
+
+ // Create data containers for the data snapshots
+ {
+ lock_guard<mutex> data_lock(_data_mutex);
+
+ _logic_data.reset();
+ if (logic_probe_count != 0) {
+ _logic_data.reset(new data::Logic(
+ logic_probe_count));
+ assert(_logic_data);
+ }
+
+ _analog_data.reset();
+ if (analog_probe_count != 0) {
+ _analog_data.reset(new data::Analog());
+ assert(_analog_data);
+ }
+ }
+
+ // Make the Signals list
+ {
+ lock_guard<mutex> lock(_signals_mutex);
+
+ _signals.clear();
+
+ if(_sdi) {
+ for (const GSList *l = _sdi->probes; l; l = l->next) {
+ const sr_probe *const probe =
+ (const sr_probe *)l->data;
+ assert(probe);
+
+ switch(probe->type) {
+ case SR_PROBE_LOGIC:
+ signal = shared_ptr<view::Signal>(
+ new view::LogicSignal(probe,
+ _logic_data));
+ break;
+
+ case SR_PROBE_ANALOG:
+ signal = shared_ptr<view::Signal>(
+ new view::AnalogSignal(probe,
+ _analog_data));
+ break;
+ }
+
+ _signals.push_back(signal);
+ }
+ }
+ }
+
+ signals_changed();
+}
+
void SigSession::load_thread_proc(const string name,
function<void (const QString)> error_handler)
{
- if (sr_session_load(name.c_str()) != SR_OK) {
- error_handler(tr("Failed to load file."));
- return;
+ sr_input *in = NULL;
+
+ if (sr_session_load(name.c_str()) == SR_OK) {
+ if (sr_session_start() != SR_OK) {
+ error_handler(tr("Failed to start session."));
+ return;
+ }
}
+ else if(!(in = load_input_file_format(name.c_str(), error_handler)))
+ return;
sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
- if (sr_session_start() != SR_OK) {
- error_handler(tr("Failed to start session."));
- return;
- }
-
set_capture_state(Running);
- sr_session_run();
- sr_session_destroy();
+ if(in) {
+ assert(in->format);
+ in->format->loadfile(in, name.c_str());
+ } else
+ sr_session_run();
+ sr_session_destroy();
set_capture_state(Stopped);
// Confirm that SR_DF_END was received
assert(!_cur_logic_snapshot);
assert(!_cur_analog_snapshot);
+
+ delete in;
}
void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
void SigSession::feed_in_header(const sr_dev_inst *sdi)
{
- shared_ptr<view::Signal> signal;
GVariant *gvar;
uint64_t sample_rate = 0;
- unsigned int logic_probe_count = 0;
- unsigned int analog_probe_count = 0;
-
- // Detect what data types we will receive
- for (const GSList *l = sdi->probes; l; l = l->next) {
- const sr_probe *const probe = (const sr_probe *)l->data;
- if (!probe->enabled)
- continue;
-
- switch(probe->type) {
- case SR_PROBE_LOGIC:
- logic_probe_count++;
- break;
-
- case SR_PROBE_ANALOG:
- analog_probe_count++;
- break;
- }
- }
// Read out the sample rate
- assert(sdi->driver);
-
- const int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
- &gvar, sdi);
- if (ret != SR_OK) {
- qDebug("Failed to get samplerate\n");
- return;
- }
-
- sample_rate = g_variant_get_uint64(gvar);
- g_variant_unref(gvar);
-
- // Create data containers for the coming data snapshots
+ if(sdi->driver)
{
- lock_guard<mutex> data_lock(_data_mutex);
-
- if (logic_probe_count != 0) {
- _logic_data.reset(new data::Logic(
- logic_probe_count, sample_rate));
- assert(_logic_data);
+ const int ret = sr_config_get(sdi->driver,
+ SR_CONF_SAMPLERATE, &gvar, sdi);
+ if (ret != SR_OK) {
+ qDebug("Failed to get samplerate\n");
+ return;
}
- if (analog_probe_count != 0) {
- _analog_data.reset(new data::Analog(sample_rate));
- assert(_analog_data);
- }
+ sample_rate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
}
- // Make the logic probe list
- {
- lock_guard<mutex> lock(_signals_mutex);
-
- _signals.clear();
-
- for (const GSList *l = sdi->probes; l; l = l->next) {
- const sr_probe *const probe =
- (const sr_probe *)l->data;
- assert(probe);
- if (!probe->enabled)
- continue;
-
- switch(probe->type) {
- case SR_PROBE_LOGIC:
- signal = shared_ptr<view::Signal>(
- new view::LogicSignal(probe->name,
- _logic_data, probe->index));
- break;
-
- case SR_PROBE_ANALOG:
- signal = shared_ptr<view::Signal>(
- new view::AnalogSignal(probe->name,
- _analog_data, probe->index));
- break;
- }
-
- _signals.push_back(signal);
- }
-
- signals_changed();
- }
+ if(_analog_data)
+ _analog_data->set_samplerate(sample_rate);
+ if(_logic_data)
+ _logic_data->set_samplerate(sample_rate);
}
void SigSession::feed_in_meta(const sr_dev_inst *sdi,