use error << to replace cerr in AudioUnits GUI code, and a couple of minor tweaks...

git-svn-id: svn://localhost/ardour2/branches/3.0@10521 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 5e15d9b48e872082cb7d8e598b197c63c49da26e..75a6ceb4b2d7177722af62724d35beb1e31b0846 100644 (file)
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -483,7 +483,7 @@ AUPlugin::init ()
                DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
                if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
                                              0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
-                       cerr << "cannot install render callback (err = " << err << ')' << endl;
+                       error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
                        throw failed_constructor();
                }
        }
@@ -680,7 +680,6 @@ AUPlugin::maybe_fix_broken_au_id (const std::string& id)
 
                                /* too close to the end for \xNN parsing: treat as literal characters */
 
-                               cerr << "Parse " << cstr << " as a literal \\" << endl;
                                nascent[in] = *cstr;
                                ++cstr;
                                ++in;
@@ -699,7 +698,6 @@ AUPlugin::maybe_fix_broken_au_id (const std::string& id)
                                } else {
 
                                        /* treat as literal characters */
-                                       cerr << "Parse " << cstr << " as a literal \\" << endl;
                                        nascent[in] = *cstr;
                                        ++cstr;
                                        ++in;
@@ -886,7 +884,7 @@ AUPlugin::set_block_size (pframes_t nframes)
        DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
        if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
                                      0, &numFrames, sizeof (numFrames))) != noErr) {
-               cerr << "cannot set max frames (err = " << err << ')' << endl;
+               error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
                return -1;
        }
 
@@ -1315,7 +1313,7 @@ AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_
 
        buffers->mNumberBuffers = output_channels;
 
-       for (uint32_t i = 0; i < output_channels; ++i) {
+       for (int32_t i = 0; i < output_channels; ++i) {
                buffers->mBuffers[i].mNumberChannels = 1;
                buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
                /* setting this to 0 indicates to the AU that it can provide buffers here
@@ -1390,7 +1388,7 @@ AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_
                return 0;
        }
 
-       cerr << name() << " render status " << err << endl;
+       error << string_compose (_("AU: render error for %1, status = %2"), name(), err) << endmsg;
        return -1;
 }
 
@@ -2742,7 +2740,7 @@ AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent
 }
 
 void
-AUPlugin::parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
+AUPlugin::parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
 {
        ParameterMap::iterator i = parameter_map.find (event->mArgument.mParameter.mParameterID);