/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
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
*/
+/** @file src/lib/file_group.cc
+ * @brief FileGroup class.
+ */
+
#include <cstdio>
-extern "C" {
-#include <libavformat/avio.h>
-}
#include <sndfile.h>
#include "file_group.h"
#include "exceptions.h"
+#include "cross.h"
+#include <iostream>
using std::vector;
using std::cout;
+/** Construct a FileGroup with no files */
+FileGroup::FileGroup ()
+ : _current_path (0)
+ , _current_file (0)
+{
+
+}
+
+/** Construct a FileGroup with a single file */
FileGroup::FileGroup (boost::filesystem::path p)
: _current_path (0)
, _current_file (0)
{
_paths.push_back (p);
+ ensure_open_path (0);
seek (0, SEEK_SET);
}
+/** Construct a FileGroup with multiple files */
FileGroup::FileGroup (vector<boost::filesystem::path> const & p)
: _paths (p)
, _current_path (0)
seek (0, SEEK_SET);
}
+/** Destroy a FileGroup, closing any open file */
FileGroup::~FileGroup ()
{
if (_current_file) {
}
}
+void
+FileGroup::set_paths (vector<boost::filesystem::path> const & p)
+{
+ _paths = p;
+ ensure_open_path (0);
+ seek (0, SEEK_SET);
+}
/** Ensure that the given path index in the content is the _current_file */
void
/* Already open */
return;
}
-
+
if (_current_file) {
fclose (_current_file);
}
_current_path = p;
- _current_file = fopen (_paths[_current_path].string().c_str(), "rb");
+ _current_file = fopen_boost (_paths[_current_path], "rb");
if (_current_file == 0) {
throw OpenFileError (_paths[_current_path]);
}
int64_t
FileGroup::seek (int64_t pos, int whence) const
{
- int64_t const len = length ();
-
/* Convert pos to `full_pos', which is an offset from the start
of all the files.
*/
for (size_t i = 0; i < _current_path; ++i) {
full_pos += boost::filesystem::file_size (_paths[i]);
}
+#ifdef DCPOMATIC_WINDOWS
+ full_pos += _ftelli64 (_current_file);
+#else
full_pos += ftell (_current_file);
+#endif
full_pos += pos;
break;
case SEEK_END:
- full_pos = len - pos;
+ full_pos = length() - pos;
break;
- case AVSEEK_SIZE:
- return len;
}
/* Seek to full_pos */
}
ensure_open_path (i);
- fseek (_current_file, sub_pos, SEEK_SET);
+ dcpomatic_fseek (_current_file, sub_pos, SEEK_SET);
return full_pos;
}
FileGroup::read (uint8_t* buffer, int amount) const
{
int read = 0;
- while (1) {
+ while (true) {
int const this_time = fread (buffer + read, 1, amount - read, _current_file);
read += this_time;
if (read == amount) {
return read;
}
+/** @return Combined length of all the files */
int64_t
FileGroup::length () const
{