@ -1240,6 +1240,45 @@ struct ast_filestream *ast_writefile(const char *filename, const char *type, con
return fs ;
}
static void waitstream_control ( struct ast_channel * c ,
enum ast_waitstream_fr_cb_values type ,
ast_waitstream_fr_cb cb ,
int skip_ms )
{
switch ( type )
{
case AST_WAITSTREAM_CB_FASTFORWARD :
{
int eoftest ;
ast_stream_fastforward ( ast_channel_stream ( c ) , skip_ms ) ;
eoftest = fgetc ( ast_channel_stream ( c ) - > f ) ;
if ( feof ( ast_channel_stream ( c ) - > f ) ) {
ast_stream_rewind ( ast_channel_stream ( c ) , skip_ms ) ;
} else {
ungetc ( eoftest , ast_channel_stream ( c ) - > f ) ;
}
}
break ;
case AST_WAITSTREAM_CB_REWIND :
ast_stream_rewind ( ast_channel_stream ( c ) , skip_ms ) ;
break ;
default :
break ;
}
if ( cb ) {
long ms_len = ast_tellstream ( ast_channel_stream ( c ) ) / ( ast_format_rate ( & ast_channel_stream ( c ) - > fmt - > format ) / 1000 ) ;
cb ( c , ms_len , type ) ;
}
ast_test_suite_event_notify ( " PLAYBACK " , " Channel: %s \r \n "
" Control: %s \r \n "
" SkipMs: %d \r \n " ,
ast_channel_name ( c ) ,
( type = = AST_WAITSTREAM_CB_FASTFORWARD ) ? " FastForward " : " Rewind " ,
skip_ms ) ;
}
/*!
* \ brief the core of all waitstream ( ) functions
*/
@ -1336,34 +1375,49 @@ static int waitstream_core(struct ast_channel *c,
return res ;
}
} else {
enum ast_waitstream_fr_cb_values cb_val = 0 ;
res = fr - > subclass . integer ;
if ( strchr ( forward , res ) ) {
int eoftest ;
ast_stream_fastforward ( ast_channel_stream ( c ) , skip_ms ) ;
eoftest = fgetc ( ast_channel_stream ( c ) - > f ) ;
if ( feof ( ast_channel_stream ( c ) - > f ) ) {
ast_stream_rewind ( ast_channel_stream ( c ) , skip_ms ) ;
} else {
ungetc ( eoftest , ast_channel_stream ( c ) - > f ) ;
}
cb_val = AST_WAITSTREAM_CB_FASTFORWARD ;
waitstream_control ( c , AST_WAITSTREAM_CB_FASTFORWARD , cb , skip_ms ) ;
} else if ( strchr ( reverse , res ) ) {
ast_stream_rewind ( ast_channel_stream ( c ) , skip_ms ) ;
cb_val = AST_WAITSTREAM_CB_REWIND ;
waitstream_control ( c , AST_WAITSTREAM_CB_REWIND , cb , skip_ms ) ;
} else if ( strchr ( breakon , res ) ) {
ast_test_suite_event_notify ( " PLAYBACK " , " Channel: %s \r \n "
" Control: %s \r \n " ,
ast_channel_name ( c ) ,
" Break " ) ;
ast_frfree ( fr ) ;
ast_clear_flag ( ast_channel_flags ( c ) , AST_FLAG_END_DTMF_ONLY ) ;
return res ;
}
if ( cb_val & & cb ) {
long ms_len = ast_tellstream ( ast_channel_stream ( c ) ) / ( ast_format_rate ( & ast_channel_stream ( c ) - > fmt - > format ) / 1000 ) ;
cb ( c , ms_len , cb_val ) ;
}
}
break ;
case AST_FRAME_CONTROL :
switch ( fr - > subclass . integer ) {
case AST_CONTROL_STREAM_STOP :
case AST_CONTROL_STREAM_SUSPEND :
case AST_CONTROL_STREAM_RESTART :
/* Fall-through and break out */
ast_test_suite_event_notify ( " PLAYBACK " , " Channel: %s \r \n "
" Control: %s \r \n " ,
ast_channel_name ( c ) ,
" Break " ) ;
res = fr - > subclass . integer ;
ast_frfree ( fr ) ;
ast_clear_flag ( ast_channel_flags ( c ) , AST_FLAG_END_DTMF_ONLY ) ;
return res ;
case AST_CONTROL_STREAM_REVERSE :
if ( ! skip_ms ) {
skip_ms = 3000 ;
}
waitstream_control ( c , AST_WAITSTREAM_CB_REWIND , cb , skip_ms ) ;
break ;
case AST_CONTROL_STREAM_FORWARD :
if ( ! skip_ms ) {
skip_ms = 3000 ;
}
waitstream_control ( c , AST_WAITSTREAM_CB_FASTFORWARD , cb , skip_ms ) ;
break ;
case AST_CONTROL_HANGUP :
case AST_CONTROL_BUSY :
case AST_CONTROL_CONGESTION :
@ -1427,26 +1481,62 @@ int ast_waitstream_fr(struct ast_channel *c, const char *breakon, const char *fo
- 1 /* no audiofd */ , - 1 /* no cmdfd */ , NULL /* no context */ , NULL /* no callback */ ) ;
}
/*! \internal
* \ brief Clean up the return value of a waitstream call
*
* It ' s possible for a control frame to come in from an external source and break the
* playback . From a consumer of most ast_waitstream_ * function callers , this should
* appear like normal playback termination , i . e . , return 0 and not the value of the
* control frame .
*/
static int sanitize_waitstream_return ( int return_value )
{
switch ( return_value ) {
case AST_CONTROL_STREAM_STOP :
case AST_CONTROL_STREAM_SUSPEND :
case AST_CONTROL_STREAM_RESTART :
/* Fall through and set return_value to 0 */
return_value = 0 ;
break ;
default :
/* Do nothing */
break ;
}
return return_value ;
}
int ast_waitstream ( struct ast_channel * c , const char * breakon )
{
return waitstream_core ( c , breakon , NULL , NULL , 0 , - 1 , - 1 , NULL , NULL /* no callback */ ) ;
int res ;
res = waitstream_core ( c , breakon , NULL , NULL , 0 , - 1 , - 1 , NULL , NULL /* no callback */ ) ;
return sanitize_waitstream_return ( res ) ;
}
int ast_waitstream_full ( struct ast_channel * c , const char * breakon , int audiofd , int cmdfd )
{
return waitstream_core ( c , breakon , NULL , NULL , 0 ,
int res ;
res = waitstream_core ( c , breakon , NULL , NULL , 0 ,
audiofd , cmdfd , NULL /* no context */ , NULL /* no callback */ ) ;
return sanitize_waitstream_return ( res ) ;
}
int ast_waitstream_exten ( struct ast_channel * c , const char * context )
{
int res ;
/* Waitstream, with return in the case of a valid 1 digit extension */
/* in the current or specified context being pressed */
if ( ! context )
context = ast_channel_context ( c ) ;
return waitstream_core ( c , NULL , NULL , NULL , 0 ,
res = waitstream_core ( c , NULL , NULL , NULL , 0 ,
- 1 , - 1 , context , NULL /* no callback */ ) ;
return sanitize_waitstream_return ( res ) ;
}
/*
Matthew Jordan
12 years ago