+/* PROJECT: ReactOS sndrec32
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: base/applications/sndrec32/audio_membuffer.hpp
+ * PURPOSE: Allocs audio buffer
+ * PROGRAMMERS: Marco Pagliaricci (irc: rendar)
+ */
+
+
#ifndef _AUDIOMEMBUFFER__H_
#define _AUDIOMEMBUFFER__H_
{
-
+
- protected:
+ protected:
- BYTE * audio_data;
- audio_format aud_info;
- unsigned int buf_size;
- unsigned int init_size;
+ BYTE * audio_data;
+ audio_format aud_info;
+ unsigned int buf_size;
+ unsigned int init_size;
- //
- // Protected Functions
- //
+ //
+ // Protected Functions
+ //
- //allocs N bytes for the audio buffer.
- void alloc_mem_( unsigned int );
+ //allocs N bytes for the audio buffer.
+ void alloc_mem_( unsigned int );
- //frees memory
- void free_mem_( void );
+ //frees memory
+ void free_mem_( void );
- //resizes memory, and copies old
- //audio data to new-size memory
- void resize_mem_( unsigned int );
+ //resizes memory, and copies old
+ //audio data to new-size memory
+ void resize_mem_( unsigned int );
- //truncates and discards unused memory.
- //`buf_size' will be the same as `bytes_received'.
- void truncate_( void );
+ //truncates and discards unused memory.
+ //`buf_size' will be the same as `bytes_received'.
+ void truncate_( void );
- public:
+ public:
-
- void ( * audio_arrival )( unsigned int );
- void ( * buffer_resized ) ( unsigned int );
+
+ void ( * audio_arrival )( unsigned int );
+ void ( * buffer_resized ) ( unsigned int );
-
- //
- // Ctors
- //
+
+ //
+ // Ctors
+ //
- audio_membuffer( void )
- : audio_data( 0 ), aud_info( _AUDIO_DEFAULT_FORMAT ),
- buf_size( 0 ), init_size( 0 )
- {
-
- //
- // Allocs memory for at least 1 or some seconds
- // of recording.
- //
- init_size = ( unsigned int )
- (( float )aud_info.byte_rate() * _AUDIO_DEFAULT_BUFSECS );
+ audio_membuffer( void )
+ : audio_data( 0 ), aud_info( _AUDIO_DEFAULT_FORMAT ),
+ buf_size( 0 ), init_size( 0 )
+ {
+
+ //
+ // Allocs memory for at least 1 or some seconds
+ // of recording.
+ //
+ init_size = ( unsigned int )
+ (( float )aud_info.byte_rate() * _AUDIO_DEFAULT_BUFSECS );
- alloc_mem_( init_size );
+ alloc_mem_( init_size );
-
- }
+
+ }
- audio_membuffer( audio_format aud_fmt )
- : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
- init_size( 0 )
- {
-
- //
- // Allocs memory for at least 1 or some seconds
- // of recording.
- //
- init_size = ( unsigned int )
- (( float )aud_info.byte_rate() * _AUDIO_DEFAULT_BUFSECS );
+ audio_membuffer( audio_format aud_fmt )
+ : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
+ init_size( 0 )
+ {
+
+ //
+ // Allocs memory for at least 1 or some seconds
+ // of recording.
+ //
+ init_size = ( unsigned int )
+ (( float )aud_info.byte_rate() * _AUDIO_DEFAULT_BUFSECS );
- alloc_mem_( init_size );
-
- }
+ alloc_mem_( init_size );
+
+ }
- audio_membuffer( audio_format aud_fmt, unsigned int seconds )
- : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
- init_size( 0 )
- {
-
- //
- // Allocs memory for audio recording
- // the specified number of seconds.
- //
- init_size = aud_info.byte_rate() * seconds;
- alloc_mem_( init_size );
-
- }
+ audio_membuffer( audio_format aud_fmt, unsigned int seconds )
+ : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
+ init_size( 0 )
+ {
+
+ //
+ // Allocs memory for audio recording
+ // the specified number of seconds.
+ //
+ init_size = aud_info.byte_rate() * seconds;
+ alloc_mem_( init_size );
+
+ }
- audio_membuffer( audio_format aud_fmt, float seconds )
- : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
- init_size( 0 )
- {
-
- //
- // Allocs memory for audio recording
- // the specified number of seconds.
- //
- init_size = ( unsigned int )(( float ) aud_info.byte_rate() *
- seconds <= 0 ? 1 : seconds );
+ audio_membuffer( audio_format aud_fmt, float seconds )
+ : audio_data( 0 ), aud_info( aud_fmt ), buf_size( 0 ),
+ init_size( 0 )
+ {
+
+ //
+ // Allocs memory for audio recording
+ // the specified number of seconds.
+ //
+ init_size = ( unsigned int )(( float ) aud_info.byte_rate() *
+ seconds <= 0 ? 1 : seconds );
- alloc_mem_( init_size );
-
- }
+ alloc_mem_( init_size );
+
+ }
- audio_membuffer( unsigned int bytes )
- : audio_data( 0 ), aud_info( _AUDIO_DEFAULT_FORMAT ),
- buf_size( 0 ), init_size( 0 )
- {
-
- //
- // Allocs memory for the specified bytes
- //
- init_size = bytes;
- alloc_mem_( init_size );
-
- }
+ audio_membuffer( unsigned int bytes )
+ : audio_data( 0 ), aud_info( _AUDIO_DEFAULT_FORMAT ),
+ buf_size( 0 ), init_size( 0 )
+ {
+
+ //
+ // Allocs memory for the specified bytes
+ //
+ init_size = bytes;
+ alloc_mem_( init_size );
+
+ }
- //
- // Dtor
- //
+ //
+ // Dtor
+ //
- virtual ~audio_membuffer( void )
- {
-
- //
- // Frees memory and reset values.
- //
+ virtual ~audio_membuffer( void )
+ {
+
+ //
+ // Frees memory and reset values.
+ //
- clear();
-
- }
+ clear();
+
+ }
- //
- // Public functions
- //
+ //
+ // Public functions
+ //
- //returns the audio buffer size in bytes.
- unsigned int mem_size( void ) const
- { return buf_size; }
+ //returns the audio buffer size in bytes.
+ unsigned int mem_size( void ) const
+ { return buf_size; }
- //returns how many audio data has been
- //received, in bytes.
- unsigned int bytes_recorded( void ) const
- { return bytes_received; }
+ //returns how many audio data has been
+ //received, in bytes.
+ unsigned int bytes_recorded( void ) const
+ { return bytes_received; }
- //returns the integer number of seconds
- //that the buffer can record
- unsigned int seconds_total( void ) const
- { return buf_size / aud_info.byte_rate(); }
+ //returns the integer number of seconds
+ //that the buffer can record
+ unsigned int seconds_total( void ) const
+ { return buf_size / aud_info.byte_rate(); }
- //returns the integer number of seconds
- //that the buffer can record
- unsigned int seconds_recorded( void ) const
- { return bytes_received / aud_info.byte_rate(); }
+ //returns the integer number of seconds
+ //that the buffer can record
+ unsigned int seconds_recorded( void ) const
+ { return bytes_received / aud_info.byte_rate(); }
- //returns the float number of seconds
- //that the buffer can record
- float fseconds_total( void ) const
- { return ( float )(( float ) buf_size /
- ( float ) aud_info.byte_rate()); }
+ //returns the float number of seconds
+ //that the buffer can record
+ float fseconds_total( void ) const
+ { return ( float )(( float ) buf_size /
+ ( float ) aud_info.byte_rate()); }
- //returns the float number of seconds
- //that has been recorded
- float fseconds_recorded( void ) const
- { return ( float )(( float ) bytes_received /
- ( float ) aud_info.byte_rate()); }
+ //returns the float number of seconds
+ //that has been recorded
+ float fseconds_recorded( void ) const
+ { return ( float )(( float ) bytes_received /
+ ( float ) aud_info.byte_rate()); }
- unsigned int total_samples( void ) const
- {
+ unsigned int total_samples( void ) const
+ {
- return ( aud_info.samples_in_seconds( fseconds_total() ));
+ return ( aud_info.samples_in_seconds( fseconds_total() ));
- }
+ }
- unsigned int samples_received( void ) const
- {
+ unsigned int samples_received( void ) const
+ {
- return ( aud_info.samples_in_bytes( bytes_received ));
+ return ( aud_info.samples_in_bytes( bytes_received ));
- }
+ }
- //returns a pointer to the audio buffer
- BYTE * audio_buffer( void ) const
- { return audio_data; }
+ //returns a pointer to the audio buffer
+ BYTE * audio_buffer( void ) const
+ { return audio_data; }
- //frees memory and resets values.
- void clear( void );
+ //frees memory and resets values.
+ void clear( void );
- audio_format & audinfo( void ) { return aud_info; }
+ audio_format & audinfo( void ) { return aud_info; }
- //discard audio data, resets values,
- //but, instead of clear() which frees memory,
- //reset the memory to the initial size, ready
- //for receiving "new" audio data.
- void reset( void );
+ //discard audio data, resets values,
+ //but, instead of clear() which frees memory,
+ //reset the memory to the initial size, ready
+ //for receiving "new" audio data.
+ void reset( void );
- //truncates and discards unused memory.
- //`buf_size' will be the same as `bytes_received'.
- void truncate( void )
- { truncate_( ); }//TODO: fare truncate N bytes
+ //truncates and discards unused memory.
+ //`buf_size' will be the same as `bytes_received'.
+ void truncate( void )
+ { truncate_( ); }//TODO: fare truncate N bytes
- //if there is a buffer, discards current buffer
- //memory and realloc a new memory buffer with a
- //new size expressed in bytes.
- void alloc_bytes( unsigned int );
+ //if there is a buffer, discards current buffer
+ //memory and realloc a new memory buffer with a
+ //new size expressed in bytes.
+ void alloc_bytes( unsigned int );
- //if there is a buffer, discards current buffer
- //memory and realloc a new memory buffer with a
- //new size expressed in seconds, integer and float.
- void alloc_seconds( unsigned int );
- void alloc_seconds( float );
+ //if there is a buffer, discards current buffer
+ //memory and realloc a new memory buffer with a
+ //new size expressed in seconds, integer and float.
+ void alloc_seconds( unsigned int );
+ void alloc_seconds( float );
- //resizes in bytes the current buffer,
- //without discarding previsiously audio data received.
- void resize_bytes( unsigned int );
+ //resizes in bytes the current buffer,
+ //without discarding previsiously audio data received.
+ void resize_bytes( unsigned int );
- //resizes in seconds the current buffer,
- //without discarding previsiously audio data received.
- void resize_seconds( unsigned int );
- void resize_seconds( float );
+ //resizes in seconds the current buffer,
+ //without discarding previsiously audio data received.
+ void resize_seconds( unsigned int );
+ void resize_seconds( float );
-
-
- //
- // Inherited Functions from `audio_receiver'
- //
+
+
+ //
+ // Inherited Functions from `audio_receiver'
+ //
- void audio_receive( unsigned char *, unsigned int );
+ void audio_receive( unsigned char *, unsigned int );
-
- //
- // Inherited Functions from `audio_buffer'
- //
+
+ //
+ // Inherited Functions from `audio_buffer'
+ //
- unsigned int read( BYTE *, unsigned int );
- bool finished( void );
-
+ unsigned int read( BYTE *, unsigned int );
+ bool finished( void );
+
};
projects / reactos.git / blobdiff