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Prepare support for compression levels (archive + flac)

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This commit is contained in:
Robin Gareus 2017-10-02 20:40:44 +02:00
parent 86d3735ea8
commit df83c0381e
3 changed files with 51 additions and 6 deletions
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29
libs/pbd/file_archive.cc
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@ -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;
}