Get rid of peakfile headers... Who needs 'em.
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99e93c575e
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@ -86,6 +86,45 @@ Peaks::fill_buffer ( float fpp, nframes_t s, nframes_t e ) const
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/* } */
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/* } */
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#if 0
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const int HEADER_SIZE = 24;
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bool
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Peaks::read_header ( void )
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{
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int major, minor;
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if ( 2 != fscanf( _fp, "NON-PEAKS%2d%2d", &major, &minor ) )
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return false;
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if ( major != VERSION_MAJOR )
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/* incompatible version */
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return false;
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int data[3];
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int header_size;
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fread( &header_size, sizeof( int ), 1, _fp );
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if ( header_size < sizeof( data ) )
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return false;
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fread( data, sizeof( data ), 1, _fp );
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int chunksize = data[1];
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int channels = data[2];
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int peaksize = data[3];
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_data_offset = header_size + 12;
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if ( header_size > sizeof( data ) )
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fseek( _fp, _data_offset, SEEK_SET );
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return true;
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}
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#endif
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int
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Peaks::read_peakfile_peaks ( Peak *peaks, nframes_t s, int npeaks, int chunksize ) const
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{
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@ -98,12 +137,14 @@ Peaks::read_peakfile_peaks ( Peak *peaks, nframes_t s, int npeaks, int chunksize
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}
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/* get chunk size of peak file */
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int pfchunksize = 0;
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if ( fread( &pfchunksize, sizeof( int ), 1, fp ) != 1 )
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{
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printf( "invalid peak file!\n" );
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return 0;
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}
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/* FIXME: bogus */
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int pfchunksize = 256;
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/* if ( fread( &pfchunksize, sizeof( int ), 1, fp ) != 1 ) */
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/* { */
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/* printf( "invalid peak file!\n" ); */
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/* return 0; */
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/* } */
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int channels = _clip->channels();
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const int ratio = chunksize / pfchunksize;
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@ -343,8 +384,8 @@ Peaks::make_peaks ( int chunksize )
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return false;
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}
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/* write chunksize first */
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fwrite( &chunksize, sizeof( int ), 1, fp );
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/* /\* write chunksize first *\/ */
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/* fwrite( &chunksize, sizeof( int ), 1, fp ); */
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Peak peaks[ _clip->channels() ];
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@ -392,14 +433,12 @@ Peaks::make_peaks ( int chunksize )
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Peak_Writer::Peak_Writer ( const char *filename, int chunksize, int channels )
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{
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_channels = channels;
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_channels = channels;
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_chunksize = chunksize;
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_index = 0;
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_peak = new Peak[ channels ];
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memset( _peak, 0, sizeof( Peak ) * channels );
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@ -407,7 +446,7 @@ Peak_Writer::Peak_Writer ( const char *filename, int chunksize, int channels )
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if ( ! ( _fp = fopen( peakname( filename ), "w" ) ) )
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/* error! */;
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write_header();
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// write_header();
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}
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Peak_Writer::~Peak_Writer ( )
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@ -423,14 +462,19 @@ Peak_Writer::write_header ( void )
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int data[] = { _chunksize, _channels, sizeof( Peak ) };
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int size = sizeof( data );
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fwrite( &size, sizeof( size ), 1, _fp );
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fwrite( &data, sizeof( data ), 1, _fp );
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}
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/** append peaks for samples in /buf/ to peakfile */
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void
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Peak_Writer::write ( sample_t *buf, nframes_t nframes )
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{
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for ( int i = _chunksize; nframes--; --i, buf += _channels )
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for ( ; nframes--; ++_index, buf += _channels )
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{
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for ( int j = 0; j < _channels; ++j )
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{
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@ -442,11 +486,11 @@ Peak_Writer::write ( sample_t *buf, nframes_t nframes )
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p->min = *buf;
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}
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if ( ! i )
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if ( _index == _chunksize - 1 )
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{
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fwrite( _peak, sizeof( Peak ), _channels, _fp );
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memset( _peak, 0, sizeof( Peak ) * _channels );
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i = _chunksize;
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_index = 0;
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}
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}
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@ -118,6 +118,8 @@ class Peak_Writer
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int _chunksize;
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int _channels;
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int _index;
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public:
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Peak_Writer ( const char *filename, int chunksize, int channels );
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