summaryrefslogtreecommitdiff
path: root/libs/ardour/filter.cc
blob: 32e942b924ed2da77eb606bea3a591ec91c3e82a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/*
    Copyright (C) 2004-2007 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <time.h>
#include <cerrno>

#include "pbd/basename.h"
#include "ardour/sndfilesource.h"
#include "ardour/smf_source.h"
#include "ardour/session.h"
#include "ardour/region.h"
#include "ardour/filter.h"
#include "ardour/region_factory.h"
#include "ardour/source_factory.h"
#include "ardour/analyser.h"

#include "i18n.h"

using namespace std;
using namespace ARDOUR;
using namespace PBD;

int
Filter::make_new_sources (boost::shared_ptr<Region> region, SourceList& nsrcs, string suffix)
{
	vector<string> names = region->master_source_names();

	for (uint32_t i = 0; i < region->n_channels(); ++i) {

		string name = PBD::basename_nosuffix (names[i]);

		/* remove any existing version of suffix by assuming it starts
		   with some kind of "special" character.
		*/

		if (!suffix.empty()) {
			string::size_type pos = name.find (suffix[0]);
			if (pos != string::npos && pos > 2) {
				name = name.substr (0, pos - 1);
			}
		}

		string path = session.path_from_region_name (region->data_type(),
				PBD::basename_nosuffix (names[i]), string (""));

		if (path.length() == 0) {
			error << string_compose (_("filter: error creating name for new file based on %1"), region->name()) 
			      << endmsg;
			return -1;
		}

		try {
			nsrcs.push_back (boost::dynamic_pointer_cast<Source> (
				SourceFactory::createWritable (region->data_type(), session,
					path, true,
					false, session.frame_rate())));
		} 

		catch (failed_constructor& err) {
			error << string_compose (_("filter: error creating new file %1 (%2)"), path, strerror (errno)) << endmsg;
			return -1;
		}
	}

	return 0;
}

int
Filter::finish (boost::shared_ptr<Region> region, SourceList& nsrcs, string region_name)
{
	/* update headers on new sources */

	time_t xnow;
	struct tm* now;

	time (&xnow);
	now = localtime (&xnow);

	/* this is ugly. */
	for (SourceList::iterator si = nsrcs.begin(); si != nsrcs.end(); ++si) {
		boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*si);
		if (afs) {
			afs->update_header (region->position(), *now, xnow);
			afs->mark_immutable ();
		}
		
		boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource>(*si);
		if (smfs) {
			smfs->set_timeline_position (region->position());
			smfs->flush ();
		}
		
		/* now that there is data there, requeue the file for analysis */
		
		Analyser::queue_source_for_analysis (*si, false);
	}

	/* create a new region */

	if (region_name.empty()) {
		region_name = session.new_region_name (region->name());
	}
	results.clear ();
	results.push_back (RegionFactory::create (nsrcs, 0, region->length(), region_name, 0, 
			Region::Flag (Region::WholeFile|Region::DefaultFlags)));
	
	return 0;
}