Show proper progress information for export while normalizing

[ardour.git] / libs / audiographer / audiographer / sndfile / sndfile_writer.h

diff --git a/libs/audiographer/audiographer/sndfile/sndfile_writer.h b/libs/audiographer/audiographer/sndfile/sndfile_writer.h
index 6e8ecc2567df3f01201ee8e2c4835cbc0b86f4a7..984ec01d4126bfa180b83bfc3e4779241d2e7d81 100644 (file)
--- a/libs/audiographer/audiographer/sndfile/sndfile_writer.h
+++ b/libs/audiographer/audiographer/sndfile/sndfile_writer.h
@@ -31,7 +31,7 @@ class SndfileWriter
          : SndfileHandle (path, Write, format, channels, samplerate)
          , path (path)
        {
-               add_supported_flag (ProcessContext<T>::EndOfInput);
+               init();
 
                if (broadcast_info) {
                        broadcast_info->write_to_file (this);
@@ -40,8 +40,16 @@ class SndfileWriter
        
        virtual ~SndfileWriter () {}
        
-       SndfileWriter (SndfileWriter const & other) : SndfileHandle (other) {}
+       SndfileWriter (SndfileWriter const & other)
+               : SndfileHandle (other)
+       {
+               init();
+       }
+
        using SndfileHandle::operator=;
+
+       framecnt_t get_frames_written() const { return frames_written; }
+       void       reset_frames_written_count() { frames_written = 0; }
        
        /// Writes data to file
        void process (ProcessContext<T> const & c)
@@ -55,6 +63,8 @@ class SndfileWriter
                }
                
                framecnt_t const written = write (c.data(), c.frames());
+               frames_written += written;
+
                if (throw_level (ThrowProcess) && written != c.frames()) {
                        throw Exception (*this, boost::str (boost::format
                                ("Could not write data to output file (%1%)")
@@ -75,11 +85,18 @@ class SndfileWriter
        /// SndfileHandle has to be constructed directly by deriving classes
        SndfileWriter ()
        {
+               init();
+       }
+
+       void init()
+       {
+               frames_written = 0;
                add_supported_flag (ProcessContext<T>::EndOfInput);
        }
-       
+
   protected:
        std::string path;
+       framecnt_t frames_written;
 };
 
 } // namespace