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Prevent crash on de-selecting all tracks from a stem export

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(#4167).


git-svn-id: svn://localhost/ardour2/branches/3.0@9967 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington
2011-08-09 13:04:28 +00:00
parent 7aac277ce1
commit e76840c089
1 changed files with 25 additions and 14 deletions
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39
libs/ardour/export_profile_manager.cc
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@@ -738,15 +738,21 @@ ExportProfileManager::get_warnings ()
{
boost::shared_ptr<Warnings> warnings (new Warnings ());
assert (!channel_configs.empty ());
ChannelConfigStatePtr channel_config_state = channel_configs.front();
ChannelConfigStatePtr channel_config_state;
if (!channel_configs.empty ()) {
channel_config_state = channel_configs.front();
}
TimespanStatePtr timespan_state = timespans.front();
/*** Check "global" config ***/
TimespanListPtr timespans = timespan_state->timespans;
ExportChannelConfigPtr channel_config = channel_config_state->config;
ExportChannelConfigPtr channel_config;
if (channel_config_state) {
channel_config = channel_config_state->config;
}
/* Check Timespans are not empty */
@@ -754,22 +760,27 @@ ExportProfileManager::get_warnings ()
warnings->errors.push_back (_("No timespan has been selected!"));
}
/* Check channel config ports */
if (!channel_config->all_channels_have_ports ()) {
warnings->warnings.push_back (_("Some channels are empty"));
if (channel_config_state == 0) {
warnings->errors.push_back (_("No channels have been selected!"));
} else {
/* Check channel config ports */
if (!channel_config->all_channels_have_ports ()) {
warnings->warnings.push_back (_("Some channels are empty"));
}
}
/*** Check files ***/
FormatStateList::const_iterator format_it;
FilenameStateList::const_iterator filename_it;
for (format_it = formats.begin(), filename_it = filenames.begin();
format_it != formats.end() && filename_it != filenames.end();
++format_it, ++filename_it) {
if (channel_config_state) {
FormatStateList::const_iterator format_it;
FilenameStateList::const_iterator filename_it;
for (format_it = formats.begin(), filename_it = filenames.begin();
format_it != formats.end() && filename_it != filenames.end();
++format_it, ++filename_it) {
check_config (warnings, timespan_state, channel_config_state, *format_it, *filename_it);
}
}
return warnings;
}