- if( i_type == INPUT_CONTROL_SET_RATE )
- {
- i_rate = abs( val.i_int );
- i_rate_sign = val.i_int < 0 ? -1 : 1;
- }
- else
- {
- static const int ppi_factor[][2] = {
- {1,64}, {1,32}, {1,16}, {1,8}, {1,4}, {1,3}, {1,2}, {2,3},
- {1,1},
- {3,2}, {2,1}, {3,1}, {4,1}, {8,1}, {16,1}, {32,1}, {64,1},
- {0,0}
- };
- int i_error;
- int i_idx;
- int i;
-
- i_rate_sign = p_input->p->i_rate < 0 ? -1 : 1;
-
- i_error = INT_MAX;
- i_idx = -1;
- for( i = 0; ppi_factor[i][0] != 0; i++ )
- {
- const int i_test_r = INPUT_RATE_DEFAULT * ppi_factor[i][0] / ppi_factor[i][1];
- const int i_test_e = abs( abs( p_input->p->i_rate ) - i_test_r );
- if( i_test_e < i_error )
- {
- i_idx = i;
- i_error = i_test_e;
- }
- }
-
- assert( i_idx >= 0 && ppi_factor[i_idx][0] != 0 );
-
- if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
- {
- if( ppi_factor[i_idx+1][0] > 0 )
- i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx+1][0] / ppi_factor[i_idx+1][1];
- else
- i_rate = INPUT_RATE_MAX+1;
- }
- else
- {
- assert( i_type == INPUT_CONTROL_SET_RATE_FASTER );
- if( i_idx > 0 )
- i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx-1][0] / ppi_factor[i_idx-1][1];
- else
- i_rate = INPUT_RATE_MIN-1;
- }
- }