Support "-" as filename for hls-mark, to use stdin as input.

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

src/mpegts.cc

@@ -275,11 +275,23 @@ TSReader::parse_header (Header& header, vector<unsigned char>& data)
 Error
 TSReader::load (const string& inname)
 {
+  if (inname == "-")
+    {
+      return load (stdin);
+    }
+  else
+    {
       FILE *infile = fopen (inname.c_str(), "r");
       ScopedFile infile_s (infile);
       if (!infile)
         return Error (string_printf ("error opening input .ts '%s'", inname.c_str()));
+      return load (infile);
+    }
+}
 
+Error
+TSReader::load (FILE *infile)
+{
   vector<unsigned char> awmk_stream;
   Header header;
   bool header_valid = false;

src/mpegts.hh

@@ -34,6 +34,7 @@ private:
   };
   std::vector<Entry> m_entries;
   bool parse_header (Header& header, std::vector<unsigned char>& data);
+  Error load (FILE *infile);
 public:
   Error load (const std::string& inname);
   const std::vector<Entry>& entries();