Prepare support for compression levels (archive + flac)

[ardour.git] / libs / pbd / file_archive.cc

diff --git a/libs/pbd/file_archive.cc b/libs/pbd/file_archive.cc
index 95cdbf61cf4e98f66c78bdc6514d609a5673b7c6..ccc19c05417fe0a2b972a507f7155b9a852295cc 100644 (file)
--- a/libs/pbd/file_archive.cc
+++ b/libs/pbd/file_archive.cc
@@ -16,6 +16,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
+#ifndef NDEBUG
+#include <iostream>
+#include <iomanip>
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <cstdio>
@@ -337,7 +342,7 @@ FileArchive::do_extract (struct archive* a)
 
 
 int
-FileArchive::create (const std::string& srcdir)
+FileArchive::create (const std::string& srcdir, CompressionLevel compression_level)
 {
        if (_req.is_remote ()) {
                return -1;
@@ -357,11 +362,11 @@ FileArchive::create (const std::string& srcdir)
                filemap[*f] = f->substr (p_len);
        }
 
-       return create (filemap);
+       return create (filemap, compression_level);
 }
 
 int
-FileArchive::create (const std::map<std::string, std::string>& filemap)
+FileArchive::create (const std::map<std::string, std::string>& filemap, CompressionLevel compression_level)
 {
        struct archive *a;
        struct archive_entry *entry;
@@ -385,10 +390,21 @@ FileArchive::create (const std::map<std::string, std::string>& filemap)
 
        a = archive_write_new ();
        archive_write_set_format_pax_restricted (a);
-       archive_write_add_filter_lzma (a);
+
+       if (compression_level != CompressNone) {
+               archive_write_add_filter_lzma (a);
+               char buf[48];
+               sprintf (buf, "lzma:compression-level=%u,lzma:threads=0", (uint32_t) compression_level);
+               archive_write_set_options (a, buf);
+       }
+
        archive_write_open_filename (a, _req.url);
        entry = archive_entry_new ();
 
+#ifndef NDEBUG
+         const int64_t archive_start_time = g_get_monotonic_time();
+#endif
+
        for (std::map<std::string, std::string>::const_iterator f = filemap.begin (); f != filemap.end (); ++f) {
                char buf[8192];
                const char* filepath = f->first.c_str ();
@@ -433,5 +449,10 @@ FileArchive::create (const std::map<std::string, std::string>& filemap)
        archive_write_close (a);
        archive_write_free (a);
 
+#ifndef NDEBUG
+       const int64_t elapsed_time_us = g_get_monotonic_time() - archive_start_time;
+       std::cerr << "archived in " << std::fixed << std::setprecision (2) << elapsed_time_us / 1000000. << " sec\n";
+#endif
+
        return 0;
 }